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Biomedical subjects

Barry G Wren

Publications and source records attributed to Barry G Wren.

4 recordsLinked to original sources
PubMed2005

Transdermal progesterone creams for postmenopausal women: more hype than hope?

Various claims have been made about the benefits of transdermal progesterone creams for relieving symptoms of menopause. Peer-reviewed articles have reported that the creams can raise plasma progesterone levels slightly, but have no effect on vasomotor, psychosexual or mood symptoms, bone metabolism or plasma lipid levels. Currently available progesterone creams can not be recommended for treatment of symptoms associated with menopause.

Administration, Cutaneous↗
PubMed2002

Hormone replacement therapy after a diagnosis of breast cancer: cancer recurrence and mortality.

OBJECTIVE: To determine whether hormone replacement therapy (HRT) after treatment for breast cancer is associated with increased risk of recurrence and mortality. DESIGN: Retrospective observational study. PARTICIPANTS AND SETTING: Postmenopausal women diagnosed with breast cancer and treated by five Sydney doctors between 1964 and 1999. OUTCOME MEASURES: Times from diagnosis to cancer recurrence or new breast cancer, to death from all causes and to death from primary tumour were compared between women who used HRT for menopausal symptoms after diagnosis and those who did not. Relative risks (RRs) were determined from Cox regression analyses, adjusted for patient and tumour characteristics. RESULTS: 1122 women were followed up for 0-36 years (median, 6.08 years); 154 were lost to follow-up. 286 women used HRT for menopausal symptoms for up to 26 years (median, 1.75 years). Compared with non-users, HRT users had reduced risk of cancer recurrence (adjusted relative risk [RR], 0.62; 95% CI, 0.43-0.87), all-cause mortality (RR, 0.34; 95% CI, 0.19-0.59) and death from primary tumour (RR, 0.40; 95% CI, 0.22-0.72). Continuous combined HRT was associated with a reduced risk of death from primary tumour (RR, 0.32; 95% CI, 0.12-0.88) and all-cause mortality (RR, 0.27; 95% CI, 0.10-0.73). CONCLUSION: HRT use for menopausal symptoms by women treated for primary invasive breast cancer is not associated with an increased risk of breast cancer recurrence or shortened life expectancy.

Breast Neoplasms↗
PubMedDate not supplied

Transdermal progesterone and its effect on vasomotor symptoms, blood lipid levels, bone metabolic markers, moods, and quality of life for postmenopausal women.

OBJECTIVE: To determine whether transdermal progesterone cream has any effect on vasomotor symptoms, mood, sexual response, cardiovascular lipid levels, or bone mineral metabolic markers. DESIGN: A parallel, double-blind, randomized, placebo-controlled trial comparing the effect of a transdermal cream containing a progesterone (32 mg daily) with a placebo cream. Eighty postmenopausal women in the Menopause Centre at the Royal Hospital for Women, Sydney, were randomly allocated to receive either the progesterone cream or the placebo. They were evaluated using the Greene Climacteric Scale and the Menopause Quality of Life Questionnaire, as well as blood analysis for lipids and bone markers over a period of 12 weeks. Women were prescribed a cream containing either progesterone at 32 mg daily or a placebo cream for a period of 12 weeks. RESULTS: There was no detectable change in vasomotor symptoms, mood characteristics, or sexual feelings, nor was there any change in blood lipid levels or in bone metabolic markers, despite a slight elevation of blood progesterone levels. CONCLUSION: The use of the transdermal route to administer progesterone at 32 mg daily does not seem to allow sufficient hormone to enter the body to achieve a biological effect on lipid levels, bone mineral metabolic markers, vasomotor symptoms, or moods.

Administration, Cutaneous↗