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Query: UMLS:C0476089 (endometrial cancer)
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The majority of women experience a variety of symptoms at the time of the menopause, but these are frequently regarded as being unworthy of management by their doctors. Recent reports of a possible association between exogenous oestrogens and endometrial carcinoma have increased professional reluctance to prescribe oestrogens for menopausal symptoms. This report describes the initial 50 patients who have attended a special clinic established to manage symptomatic menopausal women; common complaints included hot flushes, lack of energy, altered temperament, dyspareunia and headache. Oestrogen therapy was effective in the alleviation of symptoms and the practical aspects of oestrogen use are discussed. It is recommended that with due recognition of its potential complications, oestrogen therapy should be made available to symptomatic menopausal women, and that it requires further study in regard to its place in the long-term prophylaxis of osteoporosis.
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PMID:Oestrogens and menopausal and postmenopausal women. 19 65

This study was undertaken to investigate the effect of various forms of hormone replacement therapy (HRT) upon postmenopausal women while controlling as many variables as possible. It was felt that the age, duration of amenorrhoea and the general health of the patients should be as comparable as possible and that each patient should provide her own pretherapy and post-therapy control data. In addition, it was felt that any placebo effect should be investigated and the patients were therefore randomly allocated to placebo tablets or one of six available forms of HRT. The age/sex registers of two large general practices were scrutinized and all women between 49 and 54 years of age were asked to cooperate; for a variety of reasons only 56 women were suitable and willing to take part in the project, yielding 8 women for each of the seven possible therapy groups. Blood samples were taken at 7-day intervals three times before therapy was given and the mean of the three values was used as the control value. The women returned on day 21 of each subsequent therapy cycle for six consecutive months and finally three months after discontinuing therapy. From the data the following broad conclusions can be drawn: (i) some women have classic symptoms of hot flushes and sweating despite high endogenous oestrogen concentrations; (ii) vaginal cytology is a relatively poor indicator of endogenous oestrogen status; (iii) while follicle stimulating hormone (FSH) and luteinizing hormone (LH) concentrations are reduced on HRT neither is decreased to anywhere near premenopausal values while prolactin is unaffected; (iv) plasma cholesterol levels are reduced on HRT, the pulse rate is slower and both systolic and diastolic blood pressure are reduced to a small but significant extent; (v) there is no adverse effect upon blood clotting; and (vi) most women experience significant or complete relief of symptoms on all forms of HRT as do some women taking a placebo. The combined preparations containing an oestrogen and progestogen produced vaginal bleeding in only 80 per cent of the women. Thus protection by regular endometrical shedding may not be afforded to all women. As vaginal bleeding is unacceptable to most women if they can achieve the same symptomatic relief without inducing menstruation, it is suggested that women have a low dose oestrogen preparation prescribed cyclically for 6 to 12 months. If therapy is to be maintained for a longer time, uterine curretage should be undertaken at regular intervals to exclude the possibility of endometrial carcinoma developing.
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PMID:A prospective, controlled trial of six forms of hormone replacement therapy given to postmenopausal women. 39 99

The decline in oestrogen secretion at the time of the menopause may give rise to symptoms involving the genital and autonomic nervous systems. There is evidence that it may also contribute to the incidence of psychological features, such as depression, and to the development of post-menopausal osteoporosis. Oestrogen replacement therapy clearly reverses the genital changes and the hot flushes, and may prevent the development of osteoporosis and lead to improvement in depression. Recent evidence indicates an association between oestrogen replacement therapy and endometrial cancer, although the exact nature of the relationship, and the factors which might alter it, remain unknown. Current data do not permit the physician to make a decision with conviction concerning the indications for, nature of and duration of oestrogen replacement in the symptomatic post-menopausal woman, but it is recommended that she be given such therapy in effective dosage and in association with regular progestagen supplement in order to achieve medical curettage. Further research is required in order to resolve many of the relevant controversies.
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PMID:Oestrogen replacement--a boon or a curse? 87 Dec 77

Estrogen therapy is extremely effective in relieving menopausal symptoms such as hot flushes, night sweats, urogenital atrophy and certain psychological symptoms. The short term side effects from this therapy are usually mild and self-limiting. They are more common in women who commence hormone replacement therapy some years after the menopause than in those who start treatment at about the time of the ovarian failure. Pre-existing gynaecological conditions such as fibroids and endometriosis can be worsened by estrogen therapy. The majority of published studies suggest a beneficial effect of postmenopausal estrogen therapy on cardiovascular and cerebrovascular disease. These effects may be mediated by favourable changes in lipids, but other mechanisms may also be involved. It is uncertain whether the adverse changes in lipids caused by progestogen therapy will reduce any of the benefits of estrogen therapy on the cardiovascular system. Osteoporosis is the major bone disease of the Western world; long term estrogen therapy will prevent its development in most postmenopausal women. The risk of endometrial carcinoma is increased with unopposed estrogen therapy; this increased risk appears to be abolished if a progestogen is added at an adequate dose and duration for each cycle. The risk of ovarian or cervical cancer is not increased with estrogen therapy. There may be an increased risk of breast carcinoma with long term postmenopausal estrogen use, but the studies show inconsistent results.
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PMID:A risk-benefit assessment of estrogen therapy in postmenopausal women. 222 68

As America ages the menopausal woman is emerging as a principal focus in the health care system. Research efforts continue to define the mechanism for vasomotor instability, osteoporosis, and new and improved methods of estrogen administration. Though attenuation of symptoms of hot flushes, urogenital atrophy, and prevention of osteoporosis can be accomplished by judicious estrogen replacement therapy, the attendant risk of endometrial cancer can be minimized by concurrent administration of progestogen. Gallbladder disease must be considered as an additional risk. Surveillance for early detection of breast cancer is an integral part of care for the climacteric woman. Of greatest concern and potentially greatest impact is the evolution of data endorsing estrogen replacement as a preventive measure against cardiovascular disease. With the goal of maximizing the quality of the last third of each woman's life, individual assessment of signs and symptoms of the climacteric and, if indicated, prescription for a tailored hormone replacement schedule remain the mainstay of care.
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PMID:Menopause and estrogen replacement therapy. 265 4

Estrogen replacement therapy is effective for the prevention and treatment of postmenopausal osteoporosis and should be offered to all women at high risk for osteoporosis. Such therapy is particularly beneficial for prevention of spinal compression fractures; in addition, it alleviates menopausal symptoms (hot flushes, genitourinary symptoms, and changes in mood). In each patient, these benefits must be weighted against the potential risks of endometrial hyperplasia and carcinoma, breast tenderness, hypertension, vascular headaches, and the inconvenience of menstrual bleeding if the uterus is intact. The risk of endometrial cancer associated with estrogen replacement therapy can be considerably reduced by the addition of a progestin, and other side effects can be diminished or eliminated by use of the new transdermal estrogen preparations. Thus, estrogen replacement therapy should be considered in all women who have experienced natural or surgically induced menopause, and it is advisable in women who have osteoporosis or an increased risk for this disorder and no contra-indications to its use. Estrogen replacement therapy should be instituted as soon after menopause as possible and seems to be well tolerated until at least 75 years of age.
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PMID:Estrogen replacement therapy: current recommendations. 328 71

Symptoms due to estrogen deficiency begin in the perimenopausal years and progress as serum levels of this hormone decrease Vasomotor instability, manifested by hot flushes or night sweats, may persist for several months to a few years. Psychologic symptoms include anxiety, tension, depression, insomnia, palpitations, and headaches. Atrophy of the genital epithelium may result in senile vaginitis with symptoms of irritation, burning, pruritus, dyspareunia, and even vaginal bleeding. Even the lower urinary tract mucosa is dependent upon estrogen. Postmenopausal osteoporosis affects 25 to 50% of older women and increases the risk for vertebral, hip, and other fractures. Estrogen therapy for menopausal complaints has received adverse publicity because several reports have indicated that unopposed estrogens increase the risk of endometrial cancer. Added progestogen not only negates this risk but reduces the incidence of endometrial adenocarcinoma in estrogen-progestogen users to less than that observed in untreated women. Estrogen replacement therapy does not increase the risk of breast cancer; the incidence of this malignancy, however, was also less in the estrogen-progestogen users when compared with either the untreated women or from that expected from the national cancer surveys. In evaluating postmenopausal women for hormone replacement, the benefits of estrogen-progestogen therapy must be weighed against possible risks.
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PMID:The menopause. 351 23

A double-blind cross-over study was performed on 21 patients treated for endometrial carcinomas who had severe menopausal symptoms. The patients were randomized into two groups and received medroxyprogesterone acetate (MPA) 100 mg twice daily per os for 12 weeks and a placebo for 12 weeks. A significantly better effect on hot flushes and sweating was obtained with MPA than with the placebo. On average the maximum effect was achieved by MPA after 4-6 weeks. Six patients had a weight gain of more than 3 kg during the MPA administration, compared with none during the placebo administration. No significant difference was found in the blood pressure increase above 160/90 mmHg between MPA and placebo groups. Patients with endometrial carcinoma may risk exacerbation of their disease by undergoing therapy with exogenous estrogen. In contrast, MPA has been found of value in the treatment of disseminated endometrial carcinomas. In this study oral MPA was effective in the treatment of vasomotor menopausal symptoms and may be an alternative in women for whom estrogens might be hazardous.
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PMID:Effect of oral medroxyprogesterone acetate on menopausal symptoms in patients with endometrial carcinoma. 676 Jun 53

Indications and complications of estrogen replacement therapy are discussed in this edited transcription of a conference held at the UCLA School of Medicine. Although many of the symptoms of loss of ovarian function can be corrected by estrogen replacement therapy, several potentially harmful side effects are associated with the administration of estrogen. Hot flashes, the most common menopausal symptom for which women seek treatment, may continue over extended periods of time and the loss of ovarian feedback signals. Several types of evidence indicate that hot flashes are centrally rather than peripherally mediated disturbances, and it now appears that the hypothalamic factors which stimulate pulsatile release of luteinizing hormone play an integral role in initiation of hot flashes. The fact that the extent of estrogen deficiency differs among postmenopausal women may explain why all women do not have hot flashes. The effects of body size on estrogen production and plasma protein binding appear to be significant variables modulating the extent of estrogen deficiency and hypothalamic function. Other studies suggest that calcitonin and gonadal steroids are linked in the pathogenesis and treatment of osteoporosis, but the mechanism of action of estrogen replacement therapy in the treatment of osteoporosis has not been elucidated. Most investigations have failed to show the presence of estrogen receptors in bone. It is likely that the term osteoporosis includes heterogeneous skeletal disorders and that both sex hormones and calcemic hormones are important in pathogenesis. Further research is required on the possible effect of estrogen replacement therapy in decreasing relative risk of arteriosclerotic heart disease. Vaginal atrophy is an accepted indication for estrogen replacement, but its use for skin indications should not be recommended until a beneficial cosmetic effect is shown. Complications of estrogen replacement include endometrial cancer, breast cancer, hypertension, hyperlipidemia, and gallbladder disease, the latter 3 apparently resulting from hepatic action of estrogen replacement therapy. Because of the enhanced hepatic action of orally administered estrogen, other routes of administration are being explored. Additional research is needed to define the risk-benefit ratio of estrogen replacement therapy.
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PMID:Estrogen replacement therapy: indications and complications. 682 55

The use of estrogen replacement therapy in postmenopausal women is under close scrutiny. The indications and side effects of replacement therapy are reviewed, and recommendations regarding its use are made. Hot flashes, atrophy of the vaginal epithelium, and prevention of osteoporosis have been established as indications for estrogen replacement therapy. Prevention of cardiovascular disease, aging changes of skin, and the occurrence of mental illness have also been suggested as indications, but beneficial effects of estrogen replacement therapy for these problems have not been clearly established. Studies have shown that side effects of estrogen replacement therapy include endometrial cancer, hypertension, gallbladder disease, and angina pectoris. Breast cancer may also be a risk factor, but a consensus of opinion has not been established. Pulmonary embolism, cerebral vascular accident, or myocardial infarction has not been associated with estrogen replacement therapy. The use of progesterone with estrogen replacement therapy has been shown to reduce the occurrence rate of endometrial carcinoma, but it does not prevent all the actions of estrogen. Oral administration of estrogen is the preferred route despite misgivings about portal absorption and liver metabolism. Further studies must examine this question. Various agents have been shown to be effective in treating some climacteric symptoms. These include progesterone for hot flashes and calcium for the prevention of osteoporosis. Other agents may also be effective but have not been tested critically.
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PMID:Estrogen replacement therapy. 702 79


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