Updated IMS recommendations onpostmenopausal hormone therapy andpreventive strategies for midlife health
D. W. Sturdee and A. Pines on behalf of the International Menopause Society Writing Group
Writing Group: D. F. Archer, R. J. Baber, D. Barlow, M. H. Birkha¨user, M. Brincat, L. Cardozo, T. J. de Villiers,M. Gambacciani, A. A. Gompel, V. W. Henderson, C. Kluft, R. A. Lobo, A. H. MacLennan, J. Marsden, R. E. Nappi,N. Panay, J. H. Pickar, D. Robinson, J. Simon, R. L. Sitruk-Ware and J. C. Stevenson
Menopause Societies from all continents participated in thediscussions.
The past decade has seen marked fluctuations in opinions
The 2011 revision of the IMS Recommendations is
concerning the merits and risks of postmenopausal hormone
published when the atmosphere around the issue of post-
replacement therapy (HRT). In July 2002, menopause
menopausal HRT is much more rational. The pendulum
management faced a major turning point when the first data
swung back from its peak negative sentiment following more
from the Women’s Health Initiative (WHI) trial were released.
detailed data from the WHI study that demonstrated the
This study was categorized as a primary prevention trial for
importance of the age at initiation and the good safety profile
coronary heart disease. However, the mean age at recruitment
of HRT in women younger than 60 years. Since these were
was 63 years, when menopausal symptoms have usually
exactly the IMS views expressed in the previous Recommen-
finished and HRT is rarely started, but this important
dations, the current update is similar in principle to the 2007
difference from common clinical practice was not acknowl-
version, but with the additional clinical data where needed. It
edged at that time. Instead, WHI investigators concluded that
has been produced by a small Writing Group of experts, and
HRT was not cardioprotective and that its risk–benefit ratio
not from a formal workshop, but is the considered view of the
did not favor the use of postmenopausal hormones for
IMS on the principles of HRT in the peri- and postmenopausal
prevention of chronic diseases. As a result, there was a
periods. Throughout the Recommendations, the term HRT
dramatic change in prescription habits following recommen-
will be used to cover therapies including estrogens, progesto-
dations to reserve HRT for very symptomatic women, and to
gens, combined therapies, androgens and tibolone. The IMS is
limit its use to the ‘shortest duration needed’ and to ‘the
aware of the geographical variations related to different
lowest effective dosage’. This was the atmosphere in which the
priorities of medical care, different prevalence of diseases, and
International Menopause Society (IMS) initiated a Workshop
country-specific attitudes of the public, the medical commu-
held in Vienna (December 2003) and produced the subsequent
nity and the health authorities toward menopause manage-
IMS Position Paper resulting from the Workshop discussions.
ment, different availability and licensing of products, all of
Basically, the IMS did not accept some interpretations
which may impact on HRT. These Recommendations and the
attributed to the WHI results and, being independent of local
subsequent key messages therefore give a global and simple
or regional constraints imposed by official health authorities,
overview that serves as a common platform on issues related
called for a more balanced approach to the scientific data.
to the various aspects of hormone treatment, which could be
Because additional information has been accumulated from
easily adapted and modified according to local needs.
both arms of the WHI study, from observational trials andfrom other studies during the following years, the first IMSStatement was updated in 2007, enlarging its scope to
menopause management and adult women’s health in general. This revised Statement was formulated in a Workshop held in
Consideration of HRT should be part of an overall strategy
Budapest in February 2007, in which 30 experts from the
including lifestyle recommendations regarding diet, exercise,
various fields of menopause medicine presented the latest
smoking cessation and safe levels of alcohol consumption for
information and delegates from 60 National and Regional
maintaining the health of peri- and postmenopausal women.
Correspondence: Dr D. W. Sturdee, International Menopause Society, PO Box 687, Wray, Lancaster LA2 8LD, UK
RECOMMENDATIONSª 2011 International Menopause SocietyDOI: 10.3109/13697137.2011.570590
Updated IMS recommendations on postmenopausal hormone therapy
HRT must be individualized and tailored according to
but not at levels that stimulate the endometrium, and so
symptoms and the need for prevention, as well as personal
concurrent progestogen is not required. Direct delivery of
and family history, results of relevant investigations, the
progestogen to the endometrial cavity from the vagina or by
woman’s preferences and expectations. The risks and benefits
an intrauterine system does provide endometrial protection
of HRT differ for women during the menopause transition
and may cause less systemic progestogenic effects than other
HRT includes a wide range of hormonal products and
Androgen replacement should be reserved for women
routes of administration, with potentially different risks and
with clinical signs and symptoms of androgen insufficiency.
benefits. Thus, the term ‘class effect’ is confusing and
Androgen replacement often has significant beneficial effects
inappropriate. However, evidence regarding differences in
in women with bilateral oophorectomy or adrenal failure,
risks and benefits between different products is limited.
particularly on health-related quality of life and sexual function.
Women experiencing a spontaneous or iatrogenic meno-
pause before the age of 45 years and particularly before 40years are at higher risk for cardiovascular disease and
osteoporosis and may be at increased risk of affectivedisorders and dementia. Use of HRT may reduce these risks
but the evidence for this is limited. HRT may reducesymptoms and preserve bone density and is advised at least
HRT remains the most effective therapy for vasomotor
symptoms and urogenital atrophy. Other menopause-related
Counselling should convey the benefits and risks of HRT in
complaints, such as joint and muscle pains, mood swings,
clear and comprehensible terms, e.g. as absolute numbers
sleep disturbances and sexual dysfunction (including reduced
rather than, or in addition to, percentage changes from
libido) may improve during HRT. Quality of life and sexual
baseline expressed as a relative risk. This allows a woman and
function may also improve. The administration of individua-
her physician to make a well-informed decision about HRT.
lized HRT (including androgenic preparations when appro-
Written information about risks and benefits as well as
priate) may improve both sexuality and overall quality of life.
HRT should not be recommended without a clear indica-
tion for its use, i.e. significant symptoms or physical effects of
Women taking HRT should have at least an annual consul-
HRT is effective in preventing bone loss associated with the
tation to include a physical examination, update of medical
menopause and decreases the incidence of all osteoporosis-
and family history, relevant laboratory and imaging investiga-
related fractures, including vertebral and hip fractures, even in
tions, a discussion on lifestyle, and strategies to prevent or
women not at high risk of fracture. Based on evidence of
reduce chronic disease. There is currently no indication for
effectiveness, cost and safety, HRT can be considered as one
increased mammographic or cervical smear screening.
of the first-line therapies for the prevention and treatment of
There are no reasons to place mandatory limitations on the
osteoporosis in postmenopausal women, younger than
duration of HRT. Whether or not to continue therapy should
60 years, with an increased risk of fracture. The initiation of
be decided at the discretion of the well-informed woman and
HRT for the sole purpose of the prevention of fractures after
her health professional, dependent upon the specific goals and
the age of 60 years is not recommended. Continuation of HRT
an objective estimation of ongoing benefits and risks.
after the age of 60 years for the sole purpose of the prevention
Dosage should be titrated to the lowest effective dose.
of fractures should take into account the possible long-term
Lower doses of HRT than have been used previously may
effects of the specific dose and method of administration of
reduce symptoms sufficiently and maintain quality of life for
HRT, compared to other proven non-hormonal therapies.
many women. Long-term data on lower doses regarding
The protective effect of HRT on bone mineral density
fracture or cancer risks and cardiovascular implications are
(BMD) declines after cessation of therapy at an unpredictable
rate, although some degree of fracture protection may remain
In general, progestogen should be added to systemic
after cessation of HRT. If the patient is still considered at risk
estrogen for all women with a uterus to prevent endometrial
for fracture after cessation of HRT, additional therapy with
hyperplasia and cancer. However, natural progesterone and
proven bone-sparing medication should be given.
some progestogens have specific beneficial effects that could
Evidence of the fracture-protective effect of HRT is limited
justify their use besides the expected actions on the
to standard dosages of conjugated equine estrogen (CEE) and
endometrium, e.g. the well-documented blood pressure-
medroxyprogesterone acetate (MPA), given by the oral route.
lowering effect of drospirenone. Also, progestogens may not
Evidence for protection against loss of BMD is available
be alike in regard to potential adverse metabolic effects or
for lower than standard doses in oral (CEE and 17b-estradiol)
associated breast cancer risk when combined with long-term
and transdermal (17b-estradiol) administration. Tibolone,
estrogen therapy. Low-dose vaginal estrogens, administered
a synthetic molecule that has affinity for the estrogen,
for the relief of urogenital atrophy, are systemically absorbed,
progesterone and androgen receptors, has proven efficacy
Updated IMS recommendations on postmenopausal hormone therapy
against vertebral and non-vertebral fractures. The selective
thromboembolism (pulmonary embolism or deep vein throm-
estrogen receptor modulators (SERMs), raloxifene, lasofox-
ifene and bazedoxifene, reduce the risk of vertebral fracture inpostmenopausal women with or without prevalent vertebralfractures.
The incidence of breast cancer varies in different countries.
Therefore, currently available data may not be applicableeverywhere. The degree of association between breast cancer
Cardiovascular disease is the principal cause of morbidity and
and postmenopausal HRT remains controversial.
mortality in postmenopausal women. Major primary preven-
Women should be reassured that the possible increased risks
tion measures (besides smoking cessation and diet control) are
of breast cancer associated with HRT are small (less than
weight loss, blood pressure reduction, regular exercise and
0.1% per annum, or an incidence of 51.0 per 1000 women
diabetes and lipid control. HRT has the potential for
per year of use), and less than the increased risks associated
improving the cardiovascular risk profile through its beneficial
with common lifestyle factors such as obesity and alcohol
effects on vascular function, cholesterol levels, glucose
consumption. Randomized controlled data from the WHI
study demonstrated no increased risk in first-time users of
There is evidence that estrogen therapy may be cardiopro-
HRT during the 5–7 years since initiation of treatment. The
tective if started around the time of menopause and continued
majority of subjects in the WHI study were overweight or
long term (often referred to as the ‘window of opportunity’
obese, which may have affected their basal breast cancer risk.
concept). HRT reduces the risk of diabetes and, through
Data from the WHI and the Nurses’ Health Study suggest
improving insulin action in women with insulin resistance, it
that long-term, estrogen-only administration for 7 and 15
has positive effects on other related risk factors for cardiovas-
years, respectively, does not increase the risk of breast cancer
cular disease such as the lipid profile and metabolic syndrome.
in North American women. Recent European observational
In women less than 60 years old, recently menopausal and
studies suggest that the risk may increase after 5 years.
without evidence of cardiovascular disease, the initiation of
The concomitant dramatic decrease in HRT use and the
HRT does not cause early harm and may reduce morbidity
immediate reduction in breast cancer incidence post-WHI in
and mortality from coronary heart disease. Continuation of
some studies were presented as further proof of the
HRT beyond the age of 60 years should be decided as a part of
carcinogenic effect of estrogen; however, recent data indicate
the overall risk–benefit analysis.
an increase in breast cancer incidence despite stabilization in
Initiation of HRT in elderly women or those who are more
the number of HRT users, suggesting that HRT may be a
than 10 years postmenopause may be associated with
promoter of an existing breast tumor rather than an initiator
increased risk for coronary events, mainly in the first 2 years
of use. It is therefore not recommended to initiate HRT
There are insufficient data to evaluate the possible
beyond the age of 60 years solely for the purpose of primary
differences in the incidence of breast cancer using different
prevention of coronary artery disease. Also, it is well accepted
types, doses and routes of estrogen, natural progesterone and
that initiation of HRT is not appropriate in the routine
progestogens and androgen administration. Nevertheless,
treatment of older women with coronary disease.
large European observational studies suggest that a differencein risk between estrogen-only and combined estrogen–progestogen therapy is seen with some categories of progesto-
gens but not with natural progesterone derivatives.
Baseline mammographic density correlates with breast
Systemic HRT and especially local estrogen can correct
cancer risk. This does not necessarily apply to the increase
estrogen deficiency changes in the urogenital tract and
in mammographic density induced by HRT. The combined
maintain vaginal health. HRT has benefits for connective
estrogen–progestogen therapy-related increase in mammo-
tissue, skin, joints and intervertebral disks. Combined CEE þ
graphic density may impede the diagnostic interpretation of
MPA for more than 4 years may reduce the risk of colon
cancer. HRT initiated around the time of menopause or inyounger postmenopausal women is associated with a reducedrisk of Alzheimer’s disease.
Unopposed estrogen administration induces a dose-related
stimulation of the endometrium. Women with a uterus should
have progestogen supplementation to counteract this effect.
Continuous combined estrogen–progestogen regimens are
Studies on the risks of postmenopausal hormone use have
associated with a lower incidence of endometrial hyperplasia
mainly focused on breast and endometrial cancer, venous
and cancer than occurs in the normal population.
Updated IMS recommendations on postmenopausal hormone therapy
Direct intrauterine delivery systems may have advantages.
individual circumstances, but research over the last decade has
Regimens containing low-/ultra-low-dose estrogen and pro-
helped to show that risks can be minimized and benefits
gestogen cause less endometrial stimulation and less bleeding.
maximized with selection of the optimal regimen at the
Long-cycle regimens and long-term use of monthly sequen-
tial regimens do not provide optimal endometrial protection.
The safety of HRT largely depends on age. Healthy women
SERMs other than tamoxifen do not stimulate the
younger than 60 years should not be unduly concerned about
endometrium and do not increase the incidence of endometrial
the safety profile of HRT. New data and re-analyses of older
spotting or bleeding compared to women not using any
studies by women’s age show that, for most women, the
potential benefits of HRT given for a clear indication aremany and the risks are few when initiated within a few yearsof menopause.
Thromboembolism and cardiovascular events
The WHI and other studies strongly suggest that it is
The HRT-related risk for serious venous thromboembolic
significant in any increase in breast cancer risk rather
events increases with age (although minimal in low-risk
than the estrogen. Thus, it seems prudent to minimize
women until age 60), and is also positively associated with
progestogen use where safely possible and, in the near
obesity and thrombophilia. Transdermal estrogen may avert
future, progestogens may be replaced by SERMs that do
the risk associated with oral HRT by avoiding first-pass
not adversely affect the breast but also inhibit endometrial
hepatic metabolism. The impact on the risk of a thromboem-
bolic event may also be affected by the type of progestogen.
There is increasing evidence that non-oral routes of estrogen
The risk of stroke is correlated with age, but stroke is a rare
or tibolone have little or no increased risk of thromboembo-
event before age 60. HRT may further increase that risk,
lism and would be the regimens of choice in women with
becoming significant after the age of 60. Low-dose transder-
thromboembolic risk factors, if HRT was considered appro-
mal preparations are not associated with increased risk for
stroke. Safety data from studies of low-dose and ultra-low-
There is mounting evidence from laboratory, animal,
dose regimens of estrogen and progestogen are encouraging,
observational studies and randomized controlled trials
with fewer adverse events, but data from large prospective
cardioprotection and neuroprotection if HRT is pre-scribed in midlife from near menopause in symptomaticwomen.
Women can have the option of HRT for as long as they
derive symptomatic benefit and are aware of the risks for their
The efficacy and safety of complementary alternative medicines
regimen and personal circumstances. They can try without
have not been demonstrated and further studies are required.
HRT every few years, but menopausal symptoms in some
Selective serotonin reuptake inhibitors (SSRI), selective
women can last for many years and should be treated with the
noradrenaline reuptake inhibitors (SNRI) and gabapentin
are effective in reducing vasomotor symptoms in short-term
It is very unlikely that long-term, randomized, controlled
studies. Their long-term safety needs further evaluation.
trials, like the WHI which finished prematurely, will ever be
There are no medical or scientific reasons to recommend
funded or be practically possible in the future. Therefore,
unregistered ‘bioidentical hormones’. The measurement of
clinicians in any field must treat or not treat on the balance of
hormone levels in the saliva is not clinically useful. These
the available data. Such data for the foreseeable future have
‘customized’ hormonal preparations have not been adequately
and will come from short-term, randomized trials using
tested in studies and their purity and risks are unknown.
surrogate endpoints for long-term morbidities (e.g. TheKronos Early Estrogen Prevention Study (KEEPS) and theEvaluation of Losartan In The Elderly (ELITE) study), or from
long-term, non-randomized cohort studies (e.g. the Nurses’Health Study), or from systematic reviews of the quality
There is urgent need for further research especially into the
risks and benefits of lower doses, regimens and routes of
The excessive conservatism engendered by the presenta-
administration of HRT, and into late-life cognitive effects of
tion to the media of the first results of the WHI in 2002 has
disadvantaged nearly a decade of women who may haveunnecessarily suffered severe menopausal symptoms andwho may have missed the potential therapeutic window
Postmenopausal HRT is not a single regimen given to a
These IMS evidence-based recommendations are intended
standard woman. The benefits and risks vary greatly in
to encourage better care of all women in midlife.
Updated IMS recommendations on postmenopausal hormone therapy
consider it to be significant; 50% of women complain ofstress incontinence, 11% urgency incontinence and 36%
There is a wide variation in symptoms and signs of
Better metabolic profile, balance, muscle strength, cogni-
tion and quality of life are observed in physically active
The loss of lubrication and hormonal changes may lead to
persons. Heart events, stroke, fractures and breast and
sexual dysfunction. Treatment of this condition improves
colon cancers are significantly less frequent.
quality of life, not only for the woman but also for her
The benefits of exercise far overweigh possible adverse
consequences: the more, the better, but too much may
Urogenital symptoms respond well to estrogens. Long-
term treatment is often required as symptoms can recur on
Optimal exercise prescription is at least 150 minutes of
cessation of therapy. Systemic risks have not been
moderate-intensity exercise per week. Two additional
identified with local low-potency/low-dose estrogens.
weekly sessions of resistance exercise may provide further
Use of systemic HRT does not seem to prevent urinary
benefit. However, the recommended intensity of aerobic
incontinence and is not preferable to low-dose local
activity should take into account the older adult’s aerobic
estrogens in the management of urogenital atrophy or
recurrent lower urinary tract infections.
After lifestyle changes and bladder retraining, antimus-carinic drugs combined with local estrogens constitute
first-line treatment in postmenopausal women with symp-toms suggestive of an overactive bladder.
Obesity (body mass index 430 kg/m2) affects over 20% of
All women complaining of stress urinary incontinence
the population in many parts of the world and is becoming
will benefit from pelvic floor muscle training in the first
an increasing problem in the lower socioeconomic sectors
instance. Duloxetine may work synergistically with con-
servative therapy. However, many women will ultimately
Weight loss of only 5–10% is sufficient to improve many
undergo surgery, and retropubic and transobturator tapes
of the abnormalities associated with the insulin resistance
There is currently no role for systemic estrogen therapy in
The basic components of a healthy diet are: several
women with pure stress urinary incontinence.
servings/day of fruits and vegetables, whole grain fibers,fish twice per week, and low total fat (but the use of oliveoil is recommended). Consumption of salt should be
limited and the daily amount of alcohol should not exceed30 g for men and 20 g for women.
Lifestyle modifications include socializing, and being
The public health approach to lifestyle promotion requires
Osteoporosis is a systemic skeletal disease of diminished
a multidisciplinary approach, starting from schools
bone strength that results in fractures when falling from
through to work places, involving the food and advertising
one’s own body height. Bone strength is determined by a
industry, as well as medical insurers and health authorities.
combination of bone density and microarchitectural
A new paradigm in the doctor–patient relations is
required, where the doctor becomes more of an advisor
Postmenopausal osteoporosis can be caused by the failure
and the patient has to take the responsibility for his/her
to attain peak bone density or accelerated bone loss after
Although skeletal health is a function of genetic predis-position, it can be modified by lifestyle factors such as diet,
weight-bearing exercise and the avoidance of bone-toxicsubstances.
Symptoms such as vaginal dryness, soreness, dyspareunia,
Hip fracture is responsible for a large proportion of the
urinary frequency, nocturia and urgency are extremely
financial burden of osteoporosis to health-care systems but
common in postmenopausal women. The prevalence of
other osteoporosis-related fractures, particularly vertebral
incontinence in women increases with age. Overall, 25%
fractures, cause considerable morbidity which can be long-
of women report urinary incontinence of which 7%
Updated IMS recommendations on postmenopausal hormone therapy
some degree of fracture protection may remain aftercessation of HRT, the patient at high risk for fracture may
The diagnosis of osteoporosis is based on BMD assessment
be a candidate for additional therapy with proven bone-
by dual X-ray absorptiometry (DXA), expressed as the T-
score, or the presence of fragility fractures.
The continuation of HRT after the age of 60 years
BMD is not a cost-effective population screening tool but
for the sole purpose of the prevention of fractures
is best applied on a selective basis, based on age and other
should take into account the possible side-effects in
the individual of the specific dose and method of
The 10-year probability of fracture in an individual can be
administration of HRT, compared to other proven
estimated using a model that integrates various risk factors
for fracture, such as the FRAX model developed through
The initiation of HRT for the sole purpose of the
the World Health Organization, which is available online
prevention of fractures is not recommended after the age
An appropriate assessment of prevalent fractures andsecondary causes of osteoporosis should precede anytherapeutic decisions.
Postmenopausal women need a dietary reference intake
The goal of management in osteoporosis is the prevention
(DRI) of 1000–1200 mg of elemental calcium.
of fracture. Choice of therapy should be based on a
Calcium supplementation should be restricted to bridge
balance of effectiveness, risk and cost.
the shortfall between dietary intake and the DRI and to
Intervention thresholds for therapy can be based on 10-
patients being treated for high fracture risk. Routine
year fracture probability and will be country-specific.
dietary calcium supplementation cannot be justified in
Alternatively, treatment can be given to all patients with a
terms of efficacy and health economics. Calcium supple-
fragility fracture or a T-score of 7 2.5 (osteoporosis), or
mentation in excess of the DRI (total intake) may induce
a T-score of 57 1.0 4 72.5 (osteopenia) and additional
risk factors, as a large proportion of fractures occur in
The DRI for vitamin D is 800–1000 IU in the post-
Monitoring of therapy by serial DXA should be inter-
As the major source of vitamin D is dependent on sunlight
preted with caution and take into account the site
exposure, the need for supplementation will vary.
monitored, time interval, drug-specific expectations and
Measuring the blood 25-hydroxyvitamin D level may be
the value of least significant change as calculated for the
Vitamin D supplementation has been shown independently
The monitoring of treatment by biochemical markers of
to lower the risk of fracture and of falling in elderly
bone turnover is presently not recommended in routine
The cost-effectiveness of treatments to prevent osteoporoticfracture will be highest where they are used in women who
have increased fracture risk. The relevant fracture riskthreshold will be specific to the individual health-care
The bisphosphonates are potent inhibitors of bone
resorption and decrease the rate of bone turnover, withproven efficacy in the prevention of vertebral and hipfractures.
A drug-free holiday may be considered after 3–5 yearsof bisphosphonate therapy in patients with a good
HRT is effective in preventing the bone loss associated
with the menopause or secondary amenorrhea.
HRT decreases the incidence of all osteoporosis-related
Bisphosphonates have benefits in some cancers and may
fractures, including vertebral and hip fractures, even in
prevent bone metastases from breast cancer.
populations of women not at high risk of fracture.
Bisphosphonate-related osteonecrosis of the jaw is a rare
HRT is one of the first-line choices of therapy in
complication when dosages as recommended for fracture
postmenopausal women in the age group 50–60 years
prevention are used. An association has been suggested
presenting with a substantial risk of fracture.
between atypical femur shaft fractures and oversuppres-
The protective effect of HRT on BMD is lost after
sion of bone turnover in patients exposed to bisphos-
cessation of therapy at an unpredictable rate. Although
phonates for longer than 3–5 years.
Updated IMS recommendations on postmenopausal hormone therapy
Similar changes in connective tissue are observed at thearterial media layer.
The approved SERMs, raloxifene, lasofoxifene and baze-
Intervertebral discs become thinner after the menopause
doxifene, reduce the risk of vertebral fracture in post-
and this may be prevented by estrogen therapy.
menopausal women with or without prevalent vertebralfractures. A combination of bazedoxifene and CEE hasbeen shown to preserve BMD.
Raloxifene is also indicated for reduction in risk ofinvasive breast cancer in postmenopausal women with
The marked predominance of polyarticular osteoarthritis
osteoporosis, but is associated with an increased risk of
in women and, in particular, the marked increase of
venous thromboembolism (VTE) similar to HRT.
osteoarthritis in women after the menopause suggest thatfemale sex steroids are important for cartilage homeostasis.
Timely initiation of estrogen/SERM treatment can effec-
tively prevent both bone and cartilage loss accompanyingthe menopause, involving both direct and indirect
Parathyroid hormone (PTH) produces a significant reduc-
tion in the risk of vertebral and non-vertebral fracture bystimulation of bone formation. There is no indication thatcombining PTH with a bone resorption inhibitor has any
additional benefit to giving either drug alone. Priortreatment with a bisphosphonate blunts the effect of
Gender-specific characteristics of atherosclerosis
PTH is given as a daily subcutaneous injection for amaximum of 18 months. Use is limited by high cost.
The clinical course of cardiovascular disease has gender-specific characteristics.
Menopause may be considered a risk factor for coronary
artery disease (CAD) in women due to the potential effectsof ovarian failure on cardiovascular function, blood
pressure and various metabolic parameters (glucose
significantly reduces the risk of vertebral and non-
Arterial hypertension, high triglyceride level and diabetes
patients, irrespective of the presence of a fracture or
are more important cardiovascular risk factors in women
age. The mode of action of strontium ranelate involves
stimulation of bone formation as well as inhibition of
Preventative strategies should be focused in women on
reducing blood pressure and controlling weight and glucosemetabolism. Women often have angina with non-obstructedcoronary arteries but, when they develop an infarct, their
prognosis is significantly worse than that of men.
A human monoclonal antibody to the receptor activator ofnuclear factor-kappa B ligand (RANKL), at a dose of 60
Postmenopausal hormones and coronary artery
mg subcutaneously 6-monthly, significantly reduces the
risk of vertebral, non-vertebral and hip fractures. As withother biological therapies, denosumab may have adverse
The majority of preclinical data and observational studies
support the potential benefits of HRT in reducing risk ofCAD. Estrogen may induce beneficial effects on variousCAD metabolic risk factors. HRT was found to be
associated with a lower risk of new-onset diabetes.
Randomized controlled trials (RCTs) reported mixed results. RCTs exploring a possible association between cardiopro-
Skin, the carotid artery and intervertebral discs
tection and hormone use mainly included women withknown CAD or potentially having subclinical atherosclero-
Estrogen protects connective tissue metabolism in the
sis. Those RCTs had insufficient power to assess the effects
of hormones on coronary risk in younger symptomatic
After the menopause, there is loss of connective tissue in
women initiating therapy around the onset of menopause.
the dermis of the skin which in some cases is reversed with
In both the randomized and observational WHI hormonal
trials, although the overall data were not significant for
Updated IMS recommendations on postmenopausal hormone therapy
benefit or harm, over the course of the studies there was
a significant trend for decreasing coronary disease withtime.
Patient selection and timing of initiation may explain theseapparently conflicting results. Evidence from the major
VTE is one of the major adverse events during use of oral
randomized and observational trials points to the im-
HRT and SERMs. The risk increases with estrogen dose,
portance of age at initiation of hormone use. A coronary
age and body mass index and is greater during the first
benefit has been shown to be confined to women 510
Non-oral 17b-estradiol (but not non-oral ethinylestradiol),
In younger women initiating HRT, all-cause mortality has
by avoiding the hepatic first-pass effect, may be preferable
been shown to be decreased, particularly due to a
reduction in cardiovascular disease. Two ongoing pro-
Population screening for thrombophilia is not indicated
spective trials (KEEPS and ELITE), using carotid intima
prior to HRT use. Selective screening may be indicated on
media thickness and coronary calcium as endpoints, will
the basis of personal and familial history.
provide data that may support this benefit.
Initiation of HRT has been related to more coronaryevents (termed ‘early harm’) during the first year of use.
However, this increased risk appears to be applicable onlyto elderly women with existing coronary disease and may
Oral HRT induces both pro-inflammatory (liver biomar-
be related to the estrogen dose at initiation. A difference in
kers) and anti-inflammatory (vascular biomarkers) effects.
the coronary effects of added progestogen compared to
Modification of inflammation in either direction can be
estrogen alone has not been established.
good or bad for arterial disease depending upon the
Based on currently available evidence, it is clear that HRT
individual status of inflammation in the vascular wall,
initiation has no place in the routine treatment of older
potentially related to age and time after menopause.
women with coronary disease, and this includes data on
The liver-derived pro-inflammatory effects of estrogen
may be avoided by a non-oral route of administration of17b-estradiol.
There is limited evidence that different progestogens
modulate liver and vascular inflammatory effects.
Although both CAD and stroke are arterial vasculardiseases, the effects of postmenopausal hormones on those
very common conditions are not necessarily similar.
Hypertension increases the risk of stroke significantly.
Oral estrogen therapy and estrogen plus progestogentherapy increase risk of ischemic stroke by about one-
During development and adulthood, the human brain is a
third in relatively healthy postmenopausal women. In the
target for estrogens and other gonadal steroid hormones.
WHI study, the excess risk was about one additional
Estrogens influence neural function and neurological
stroke per 1000 person-years. Observational findings from
disease directly, through effects on neurons and glia, and
the large Nurses’ Health Study are consistent. In another
indirectly, through effects on oxidative stress, inflamma-
large observational study, transdermal estradiol at a
tion, the cerebral vasculature and the immune system.
dosage 50 mg did not increase the risk of stroke.
With menopause, the cessation of ovarian production of
The excess absolute risk of HRT is expected to be lower
estrogens and progesterone has the potential to influence
among women below the age of 60 years, because stroke
processes in the central nervous system relevant to
incidence is lower in this younger age group. After
neurological and psychiatric disorders. Within the brain,
menopause, the relative risk of stroke does not vary
however, some neurons remain capable of synthesizing
significantly by age or temporal proximity to menopause.
Evidence from basic science studies reaffirms the neuronal
Many women note cognitive and emotional symptoms at
protective effects of estrogen in the setting of experimental
times that are associated with changes in circulating levels
of gonadal steroids. It has been more difficult, however, to
Based on findings from a single, well-designed clinical trial
demonstrate consistent cognitive and affective effects of
of postmenopausal women with a history of ischemic
stroke or transient ischemic attack, estrogen therapyshould not be prescribed for the secondary prevention of
Data on progestogen use versus unopposed estrogen use
For midlife women, observational evidence indicates no
persisting effects of the natural menopause on memory or
Updated IMS recommendations on postmenopausal hormone therapy
other cognitive functions. During the menopausal transi-
There is insufficient evidence to recommend HRT, either
tion, however, some women experience transient prob-
alone or as an adjunct, for treatment of depression.
lems, the magnitude of which is usually small.
Limited evidence from short-term clinical trials in midlifewomen suggests that HRT has no substantial cognitive
For older women without cognitive impairment, there is
Potential effects of HRT on the incidence or symptoms of
convincing clinical trial evidence that HRT started in the
Parkinson’s disease are largely unknown.
late postmenopause has no substantial impact on cognitive
Based on evidence from a single, small clinical trial,
combined HRT may increase seizure frequency in post-
For surgically menopausal women, limited evidence from
small clinical trials suggests that estrogen therapy could be
Headache prevalence is lower after menopause than
of short-term cognitive benefit when initiated at the time of
before. Observational evidence suggests that current
HRT is positively associated with headache.
The long-term cognitive consequences of HRT initiated
Multiple sclerosis symptoms may be influenced by
during the menopausal transition or early postmenopause
hormonal status. It is not known whether HRT affects
are unknown. There remains an urgent need for further
multiple sclerosis symptoms or progression.
For women with dementia due to Alzheimer’s disease,limited clinical trial evidence indicates that HRT does
The WHI study demonstrated that 7.1 years of treatment
not improve dementia symptoms or slow disease
with CEE only did not increase the risk of breast cancer
diagnosis in hysterectomized women. The prospective
Limited clinical trial evidence indicates that HRT
cohort in the Nurses’ Health Study also reported that
increases all-cause dementia risk when initiated in the
unopposed estrogen did not increase the risk of breast
late postmenopause. For women aged 65–79 years, the
cancer diagnosis until after 15 years of estrogen exposure
excess risk of dementia attributed to hormone use is
(mostly CEE). Data about unopposed estradiol are
about 1.2 per 1000 person-years for estrogen therapy
conflicting, with some studies reporting an increased risk
and 2.3 per 1000 person-years for estrogen plus
of diagnosis with short-term duration, but with others
progestogen therapy. In this age group, HRT risk may
be higher for women with lower cognitive function at
Data from the estrogen plus progestogen arm of the WHI
showed an increase in breast cancer diagnosis at an
Observational evidence implies that HRT used by younger
average follow-up of 5.6 years, although, after adjustment
women around the time of menopause is associated with
for confounding variables, this was not statistically
lower risk of Alzheimer’s disease. Findings from a recent
significant. Women who had not used HRT prior to the
observational study add new support to the concept of a
study were not at a higher risk for breast cancer diagnosis
therapeutic window, suggesting that using HRT in midlife
for up to 7 years after initiation of therapy.
only is beneficial, with respect to dementia risk, whereas
Micronized progesterone or dydrogesterone used in
starting HRT in later life is harmful. In this study, taking
association with oral or percutaneous estradiol may be
HRT from midlife onward to older age carried a neutral
associated with a better risk profile for breast cancer than
synthetic progestogens for at least 5 years, but there arenot as yet adequately powered clinical studies.
The risk of breast cancer diagnosis decreases rapidly after
cessation of HRT; by 5 years, the risk may not be greaterthan that in women without any history of exposure.
The prevalence of depressive symptoms is similar before
Lifestyle factors associated with an increased risk of breast
and after the menopause. However, depression risk may be
cancer diagnosis include postmenopausal obesity, in-
increased during the menopausal transition and the early
creased alcohol intake and reduced physical activity.
Non-modifiable factors include family history, increased
Limited clinical trial evidence suggests no effects of
breast density and atypical ductal hyperplasia.
estrogen therapy on depression in the late postmenopause.
The increased risk of diagnosis observed with HRT may be
Limited clinical trial evidence suggests that short-term
partially decreased by selecting women with a lower
estrogen therapy may benefit depression during the
individual baseline risk and by providing education about
preventive lifestyle measures. One caveat, however, is that
Updated IMS recommendations on postmenopausal hormone therapy
HRT does not appear to increase the risk of diagnosis in
Several case–control and population studies suggest a
overweight women whereas it does in women who are not
significant increase in risk, but the effect of duration or
overweight. This may be due to differences in circulating
type of therapy varied among the studies. In one large-
estrogen levels related to adiposity.
scale trial, the increased risk rapidly returned to normalwithin 2 years of cessation, consistent with a promoterrather than inducer effect.
In summary, long-term, estrogen-only therapy may be
associated with a small attributable risk of ovarian cancerof 0.7 per 1000 women per 5 years of use, whilst either a
Unopposed estrogen therapy is associated with a duration-
significantly smaller, or no, increased risk is seen with
and dose-related increase in risk of endometrial hyperpla-
combined estrogen plus progestogen therapy.
This increased risk persists for many years after cessationof therapy.
Progestogen prevents the endometrial proliferation ofestrogen.
Lung cancer incidence in women continues to increase,
Endometrial protection requires an adequate dose and
mainly due to smoking, and lung cancer is the largest
contributor to cancer mortality in women.
Long-term use of sequential combined HRT regimens may
Large observational studies have reported a protective
increase the risk of endometrial hyperplasia and cancer,
effect of hormonal contraception and postmenopausal
particularly the long-cycle regimens and where progesto-
gens are used for less than 12 days per 30 days.
In the WHI RCT of estrogen-only therapy, there was no
Continuous combined regimens are associated with a
increase in the risk of non-small cell lung cancer.
lower risk of endometrial cancer than in the untreated
In the WHI RCT of combined estrogen and progest-
ogen therapy, there was an overall non-significant
In the WHI and Million Women Study, there was no
trend towards an increase in risk of non-small cell lung
difference in risk of endometrial cancer with continuous
An increased risk became significant only in women aged
New lower-dose regimens cause less endometrial stimula-
60–69 years where the absolute attributable risk was 1.8
extra cases of lung cancer per 1000 women taking HRT
Intrauterine delivery of progestogen is a logical route of
administration and provides effective endometrial suppres-
The risk of death from lung cancer was also higher for
sion, but outpatient insertion may be problematic in
HRT users and this increase was greatest amongst those
Data from RCTs on the effect of tibolone on the
In women aged 50–59 years, no increased risk of lung
endometrium suggest a similar effect to continuous
Tamoxifen has an estrogenic effect on the endometriumwhereas raloxifene and other modern SERMs have no
Following treatment for endometrial cancer, the use of
The majority of observational studies show a reduced risk
HRT is not generally recommended, although there are
of colorectal cancer amongst users of oral HRT.
Three meta-analyses have reported a reduced risk of
Obesity increases the risk of developing endometrial
colorectal cancer with HRT use with benefit persisting for
4 years after cessation of therapy. A typical effect wasrelative risk (RR) 0.80 (95% confidence interval (CI) 0.74–0.86) for ever-users and 0.66 (95% CI 0.59–0.74) for
Results from the WHI randomized trial of estrogen-only
therapy showed no effect of estrogen-only therapy on riskof colorectal cancer.
Premenopausal use of the combined oral contraceptive pill
In the WHI RCT of estrogen and progestogen therapy,
is associated with a reduced risk of developing ovarian
colorectal cancer risk was reduced (RR 0.56; 95% CI
0.38–0.81). This effect was predominantly for local
The WHI study is the only RCT to examine HRT and
disease and, where spread had occurred, there was more
ovarian cancer risk. In women receiving combined HRT,
node involvement and a more advanced stage at diagnosis
there was no significant increase in risk.
Updated IMS recommendations on postmenopausal hormone therapy
HRT should not be used solely for the prevention of
Validated tools (self-administered questionnaires/daily
diaries and event logs/semi-structured interviews) may be
There are no data for an effect of non-oral HRT on risk of
used to diagnose sexual symptoms and to gain information
on sexual constructs and relationships; sex steroid assaysare not generally helpful.
An accurate sexual history and a focused clinical evalua-tion may help clinicians in the management of sexual
Long-term cohort studies have shown no increased risk of
symptoms that are causing significant distress. Vaginal
atrophy should be always diagnosed and appropriately
In the WHI RCT, there was no increase in risk of cervical
treated. Hormonal and non-hormonal treatments and/or
psychosexual strategies should be individualized andtailored according to a woman’s history and current needs.
Gastric and esophageal cancers are predominantly diseases
of men. The reason for this is unclear and no hormonalmechanism has been found.
Newly approved medications and late-stage products
A nested case–control study showed a reduction instomach cancer for users of HRT (RR 0.48; 95% CI
New low- and ultra-low-dose oral and transdermal pre-
0.29–0.79) but no effect on esophageal cancer.
parations appear to maintain benefits for symptom relief
Oral HRT is known to affect gall bladder function and
and osteoporosis while minimizing side-effects and risks.
observational studies have reported an increased incidence
A number of new SERMs have been approved by
of cholecystectomy amongst users of HRT.
regulatory agencies for indications related to osteoporosis
The only report of gall bladder cancer and HRT comes
and a SERM is being evaluated for the treatment of
from a small case–control study which found an increased
risk associated with HRT use and with duration of use
Recent IMS recommendations on management of vaginal
atrophy have highlighted the excellent benefit/risk ratio ofestrogenic and non-hormonal vaginal preparations. Anultra-low-dose vaginal tablet has recently received regula-
tory approval. Clinical studies are ongoing into the
possible use of vaginal dehydroepiandrosterone (DHEA)for atrophy and low libido.
Healthy status represents a major determinant of quality
Studies of SSRI and SNRI products continue to try and
of life, particularly in elderly people, but sexuality is an
find a suitable non-hormonal treatment for hot flushes.
important factor at all ages as well.
A SERM/estrogen combination being developed to treat
A complex interplay of biological, psychological and
menopausal symptoms and for osteoporosis has completed
socio-relational factors determines women’s sexual health.
This may negatively affect the entire sexual response cycle,
A new injectable monoclonal antibody, targeting RANK
inducing significant changes in desire, arousal, orgasm and
ligand, has become available for the prevention of
satisfaction at menopause and beyond.
fractures in postmenopausal women with osteoporosis
Both age and declining sex hormones have detrimental
effects on sexual functioning, with a significant increase in
Transdermal testosterone has been approved in a number
vaginal dryness/dyspareunia and a significant decrease in
of countries for the management of hypoactive sexual
desire disorder in surgically menopausal women on
The partner’s general and sexual health and the quality of
concomitant estrogen. Although data exist for use in
the relationship may significantly contribute to the
natural menopause and without concomitant estrogen,
relevance of sexual symptoms in postmenopausal women.
these indications have not yet been approved by the
Reduced libido is the most common sexual complaint
regulatory authorities pending further data.
experienced by women and the proportion increases withage. However, there are age-related changes in sexuallyrelated personal distress, which are especially evident in
surgically menopausal women. These women are atincreased risk for hypoactive sexual desire disorder.
Non-oral estradiol and progestogens avoid the first-pass
Women may not be willing to initiate a conversation on
metabolism and therefore have the potential for less
sexual interest, behavior and activity themselves, but they
stimulation of the liver proteins and a neutral metabolic
usually appreciate being questioned by doctors.
Updated IMS recommendations on postmenopausal hormone therapy
The risk of venous thromboembolism is less with
There is little evidence that dietary modifications or
transdermal than with oral estradiol.
exercise improve hot flushes but they may improve mood
First uterine pass of vaginal delivery of progestogens leads
and quality of life. Regular exercise, weight reduction, and
to adequate local concentrations and good endometrial
avoiding triggers to hot flushes (such as caffeine or direct
protection, but with very low systemic progestogen levels.
heat) may help to minimize hot flushes or their impact.
The combination of non-oral administration of estradiol
Randomized trials of acupuncture have not consistently
and direct intrauterine delivery of progestogen or vaginal
shown a beneficial effect in reducing vasomotor symptoms.
ring delivery of progesterone may improve compliance. Long-term, good-quality studies are still needed.
Recent observational studies have indicated that the
Complementary therapies for vasomotor symptoms
transdermal administration of postmenopausal estrogenis not associated with an increased risk of cardiovascular
High-quality studies to date have not consistently sup-
complications, specifically stroke and venous thrombosis.
ported the efficacy of complementary or over-the-countertherapies in reducing severity or frequency of hot flushes ornight sweats.
Black cohosh and soy products are not superior to placeboin the treatment of hot flushes.
Postmenopausal women with intact ovaries usually do notsuffer from androgen deficiency and do not require routineandrogen replacement.
So-called ‘bioidentical’ or ‘natural’ hormones
The correlation between women’s sexual function andpsychosexual variables is complex. Therefore, androgen
Such labelling and advertising has no sound scientific basis
deficiency can be confounded with other causes of sexual
to delineate them from many current forms of registered
dysfunction such as relationship distress, emotional
Estradiol, estrone or estriol, whether pharmaceutically
There is no correlation between serum levels or total
produced or compounded as a ‘bioidentical’ product, are
androgen activity and sexual dysfunction. Oral methyltes-
synthesized usually from the vegetable yam and are
tosterone, testosterone undecanoate and transdermal
testosterone replacement in oophorectomized as well as
Other so-called ‘natural’ but synthesized human hormones
in healthy postmenopausal women, with and without
that can be mixed into untested ‘bioidentical’ concoctions
concomitant use of estrogens, have shown a beneficial
can be progesterone, testosterone, DHEA, thyroxine,
effect in several large RCTs. The administration of a
transdermal patch delivering 300 mg of testosterone per
These hormones are usually administered in troches
day resulted in a significant increase in the number of self-
(buccal lozenges) or transdermal creams, compounded by
reported sexually satisfying events per month as well as
local chemists on the prescription of medical practitioners,
desire, arousal, responsiveness and orgasm, which were
in combinations and doses that have never been tested in
impaired at baseline in the participating cohorts.
Oral DHEA does not significantly improve sexual function
There are inadequate quality data to show the long-term
except in women suffering from adrenal insufficiency.
safety or efficacy of any of these products.
There are no data on breast and endometrial safety with
Endometrial cancer has been associated with estrogen-
containing bioidentical hormones. If used in the bioiden-
The role of vaginal DHEA administration for improv-
tical mixture at all, the progesterone used may not inhibit
ing sexual function in postmenopausal women is
estrogen-induced endometrial hyperplasia.
Hormonal assay of saliva is sometimes claimed as a way ofassessing hormonal need and of titrating the compounded
‘natural’ hormones. There are no data to show that
salivary hormonal assay can reliably achieve these aims.
Bioidentical hormones are extensively marketed directto the public on the internet and in other media, often
Non-pharmacological and lifestyle interventions
with unproven and unlikely claims such as they have noside-effects, are safe, will help you lose weight and are
High-quality data from studies of non-pharmacological
and lifestyle interventions for vasomotor symptoms have
Locally compounded ‘bioidentical’ hormones are not
subject to the scrutiny of pharmaceutical regulatory bodies
Meditation, relaxation, controlled breathing and cognitive
in many countries and the manufacturers can avoid having
behavior therapy show promise in managing hot flushes,
to test their products for quality control, safety and
but adequately powered randomized trials are still needed.
Updated IMS recommendations on postmenopausal hormone therapy
These unproven products and the associated inaccurate
with tamoxifen, venlafaxine, desvenlafaxine, citalopram
saliva tests are usually promoted for commercial gain and
are much more expensive than proven registered pharma-
Sudden cessation of a SNRI or SSRI may cause withdrawal
symptoms and they should be discontinued gradually by
All main-stream scientific, clinical and regulatory bodies in
women’s health advise against the prescription and use ofthese hormones.
The prescriber is at risk of future medicolegal claims.
Vaginal atrophy becomes clinically apparent 4–5 years
Pharmacological agents for vasomotor symptoms
after the menopause and objective changes as well assubjective complaints are present in 25–50% of all
The mechanisms underlying vasomotor symptoms are still
It is essential that health-care attendants routinely engage in
There have been very few head-to-head studies of non-
open and sensitive discussion with postmenopausal women
about their urogenital health to ensure that symptomatic
Currently, the only preparation which has demonstrated
atrophy is detected early and managed appropriately.
equivalent efficacy to estrogen is gabapentin. Gabapentin
Treatment should be started early and before irrevocable
(300 mg three times per day) was equivalent to low-dose
estrogen (0.5 mg CEE or a 25 mg estradiol patch) for
Treatment needs to be continued to maintain the benefits.
All local estrogen preparations are effective and patient
No other agents have been directly compared with
preference will usually determine the treatment used.
estrogen for the reduction of vasomotor symptoms.
All currently available topical estrogens are absorbed, the
Venlafaxine, desvenlafaxine, fluoxetine, paroxetine and
extent depending on dose and formulation.
citalopram have all been shown in RCTs to reduce
Additional progestogen is not indicated when appropriate
vasomotor symptoms. A recent head-to-head study found
low-dose, local estrogen is used although long-term data
that venlafaxine (37.5 mg per day increasing to 75 mg
controlled release) was equally effective but better
If estrogen is ineffective or undesired, vaginal lubricants
tolerated than gabapentin (300 mg once per day increasing
and moisturizers can relieve symptoms due to dryness.
to 300 mg three times per day) in breast cancer patients.
There are few data on the use of vaginal estrogens in
Both products reduced the frequency and severity of hot
women with gynecological hormone-responsive cancers so
flushes (by 66%) but side-effects were greater with
they should be used with discretion.
Use of local estrogen in women on tamoxifen or aromatase
In breast cancer patients, the SNRI venlafaxine was
inhibitors needs careful counselling and discussion with
equally as effective as clonidine in reducing vasomotor
symptoms but clonidine was better tolerated. Efficacy upto 12 weeks has been demonstrated for these agents.
In general, these non-hormonal agents reduce hot flushes
by 50–60%. This level of reduction appears to be
acceptable to many women who wish to avoid hormones.
For those with mild/moderate hot flushes, it is reasonable
There is a hierarchy of scientific evidence which should be
to start with clonidine treatment. For moderate to severe
taken into account when drawing conclusions from any
hot flushes, or when clonidine fails or is not available,
scientific investigation. In general (from the highest
consider venlafaxine or gabapentin. These agents may
standard or level of evidence to the lowest), the standards
act by different mechanisms, so, if one fails or is not
of evidence are: meta-analyses of RCTs, RCTs, observa-
well tolerated, the other can be tried. If these are not
tional trials, and, lastly, expert opinion. However, both
effective, consider paroxetine, but avoid in those on
RCTs and observational trials must be interpreted with
caution, particularly in reference to HRT.
A key consideration in breast cancer patients using non-
Observational trials (e.g. the Nurses’ Health Study) are
hormonal agents is concomitant tamoxifen use. Agents
primarily used for hypothesis development and not to
which inhibit the enzyme CY2D6 can affect tamoxifen
prove cause and effect. Inherent biases in observational
metabolism and may reduce the efficacy of tamoxifen in
studies of HRT typically include: selection bias – healthier
preventing new breast cancers or their recurrence. Agents
women prescribed HRT; prevention bias – monitoring and
which interact with the cytochrome P450 system include
treatment more intensive in women prescribed HRT;
paroxetine, fluoxetine and buproprion and these should
compliance bias – patients with greater adherence (even
not be used in conjunction with tamoxifen for the
to placebo) have better outcomes; survivor bias –
treatment of depression or vasomotor symptoms. For use
HRT may be stopped due to illness; prevalence-incidence
Updated IMS recommendations on postmenopausal hormone therapy
bias – early adverse effects of HRT not observed if user
coverage sometimes includes totally wrong reports, or
dies before becoming part of cohort.
superficial and uncritical evaluations taken from the
RCTs (e.g. WHI) are primarily used for hypothesis testing,
abstracts of selected journals, without reference to the
to prove or disprove cause and effect. They can be
entire article or the author’s own discussion of the findings.
downgraded in their level of evidence due to mitigating
Media coverage has done a good job of telling women
factors such as: a large dropout rate, lack of adequate
what to be concerned about if they are using HRT, but a
representation of the applicable group of women, and the
poor job of providing the information women need to
modifying influence from prior hormone use, for example.
determine whether the latest findings apply to them.
The WHI was recently downgraded to a level of evidence
There is a general distrust of large organizations and
particularly of research done by the pharmaceutical
The World Health Organization (WHO) Council for
industry, despite its conformance to regulatory agencies,
International Organizations of Medical Sciences (CIOMS)
both in the US (FDA) and in other countries of the
classifies the frequency of drug reactions, which would
world (e.g. EMEA). This distrust leads to denial of the
include the impact of HRT or estrogen therapy, as:
findings if they do not agree with one’s own precon-ceived expectations. Even when the findings are un-
expectedly positive, they are often assumed to be
Common (frequent) 41/100 and 51/10 (41% and 510%)
spurious or falsified in the name of profit.
Uncommon (infrequent) 41/1000 and 51/100 (40.1%
Rare 41/10 000 and 51/1000 (0.01% and 50.1%)
We thank Professor M. Hickey, Australia for her assistance
However, these frequencies do not necessarily indicate
with the sections on Non-pharmacological and lifestyle
clinical relevance. Rare findings in very large RCTs and
interventions, Complementary therapies for vasomotor symp-
observational trials may be statistically significant because
toms, and Pharmacological agents for vasomotor symptoms.
of the large sample size, but may be clinically irrelevant
The following attended the Workshop in 2007 and
in their application to a particular patient in the clinical
contributed to the previous Recommendations: P. Albertazzi,
setting. Failure to provide a clinical context is often a
UK; D. Barlow, UK; E. Berry, Israel; M. H. Birkha¨user,
significant problem in relation to study outcomes. This is
Switzerland; W. Bo¨cker, Germany; M. Brincat, Malta; H.
one of the reasons for providing the absolute risks noted
Burger, Australia; C. Christiansen, Denmark; T. J. de Villiers,
above. In one study, for example, electric blanket use was
South Africa; J-M. Foidart, Belgium; M. Gambacciani, Italy;
associated with a relative risk equal to 5 for breast cancer.
A. R. Genazzani, Italy; V. W. Henderson, USA; K-E. Huang,Taiwan; J. Huber, Austria; C. Kluft, Netherlands; K. Limpaphayom, Thailand; R. A. Lobo, USA; M. A. Lumsden,
UK; A. H. MacLennan, Australia; A. MacLennan, Australia;
D. Murphy, UK; F. Naftolin, USA; R. E. Nappi, Italy; S. Palacios, Spain; N. Panay, UK; J. H. Pickar, USA; A. Pines,
The mass media has a tremendous influence over what
Israel; R. Rizzoli, Switzerland; G. Rosano, Italy; J. Russo,
the public ‘knows’ about HRT. Media-driven percep-
USA; G. Samsioe, Sweden; H. P. G. Schneider, Germany; S.
tions also influence clinical decision-making, particu-
Shapiro, South Africa; R. Sitruk-Ware, USA; S. Skouby,
larly by those less familiar with the primary data being
Denmark; J. C. Stevenson, UK; D. W. Sturdee, UK.
reported by the media. Each new news report is treated
Delegates of menopause societies from the following
as if it were the most important and of the highest
countries participated in the discussions on the Recommen-
quality, often to the exclusion of the bulk of scientific
dations: Argentina, Australia, Austria, Belgium, Bolivia,
evidence. For example, the initial results of the WHI
Brazil, Bulgaria, Chile, Costa Rica, Croatia, Denmark,
estrogen plus progestogen arm received enormous
Dominican Republic, Ecuador, Egypt, El Salvador, Finland,
media coverage – more than 400 newspaper stories
France, Germany, Greece, Guatemala, Hungary, Hong Kong,
and 2500 television-radio stories in the US alone, yet
India, Indonesia, Israel, Italy, Japan, Lithuania, Malaysia,
subsequent WHI reports have received much less press
Mexico, Netherlands, Nicaragua, Norway, Panama, Peru,
coverage, leading to the impression that surgically
Philippines, Romania, Russia, Serbia, Singapore, Slovenia,
menopausal women on estrogen without progestogen
South Africa, South Korea, Spain, Sweden, Switzerland,
have similar risks as noted in the initial reports (WHI
Taiwan, Thailand, Turkey, United Kingdom, United States of
The press tends to focus on negative news (e.g. breastcancer) to the exclusion of any positive findings such as all-
cause mortality, cardiovascular disease prevention in
report no associations or financial relationships with any
younger women, or fracture reduction. Also, media
pharmaceutical company, other than consultative agreements,
Updated IMS recommendations on postmenopausal hormone therapy
honoraria for lecturing at scientific meetings, and research
support. Details of all disclosures have been updated and are
dations have been supported entirely from the funds of the
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UNIVERSITY OF NORTH CAROLINA SCHOOL OF DENTISTRY INFORMATION FOR CANDIDATES FOR ADEX DENTAL EXAMINATIONS Revised: 1-23-2014 PLEASE READ! The intent of the information contained within this document is to assist the candidate with taking the American Board of Dental Examiners (ADEX) Dental Examination administered by Council of Interstate Testing Agencies Inc. (CITA). T