Estrogen may relieve post-menopausal joint pain

Post-menopausal women, who often suffer from joint pain, could find some long-term relief by taking estrogen-only medication, according to a new study based on the Women’s Health Initiative (WHI) that was released online today by the journal, Menopause.

Previous studies of estrogen’s influence on joint symptoms had produced mixed results, so researchers examined the findings of the WHI, the largest-ever study of the use of hormonal therapy in post-menopausal women. They examined the findings of the women enrolled in the Estrogen-Alone program, in which women who had undergone a hysterectomy received either estrogen or a placebo.

“We found that post-menopausal women who received estrogen-only medication reported significantly lower frequency of joint pain than women who received a placebo,” said Rowan T. Chlebowski, MD, PhD, corresponding author of the study and a Los Angeles Biomedical Research Institute lead researcher. “Three to five percent more of the women receiving estrogen reported less joint pain than the women receiving a placebo.”

Among the 10,739 post-menopausal women enrolled in the Estrogen-alone program, 77% reported they had joint pain and 40% experienced swelling of their joints. After one year of treatment, joint pain frequency was lower among women receiving estrogen-only medication when compared with the placebo group (76.3% vs. 79.2%).

After three years, in a subset of the women in the study, the participants who received estrogen continued to have joint pain less frequently than women who received a placebo (74.2% vs. 79.8%).

“These findings suggest estrogen may provide modest but sustained relief for post-menopausal women who suffer from joint pain,” said Dr. Chlebowski. “Women should consult their physicians and balance the potential therapeutic value of estrogen against the available information on risks and benefits of menopausal hormone therapy, including the admonition to use the lowest dose for the shortest duration. Recent follow-up studies from the WHI found the benefits of taking estrogen-only medication could outweigh the risks for about five years.”


Funding/support: The WHI program was funded by the National Heart, Lung, and Blood Institute, National Institutes of Health, U.S. Department of Health and Human Services, through contracts N01WH22110, 24152, 32100-2, 32105-6, 32108-9, 32111-13, 32115, 32118-32119, 32122, 42107-26, 42129-32, and 44221.

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Founded in 1952, LA BioMed is one of the country’s leading nonprofit independent biomedical research institutes. It has approximately 100 principal researchers conducting studies into improved treatments and cures for cancer, inherited diseases, infectious diseases, illnesses caused by environmental factors and more. It also educates young scientists and provides community services, including prenatal counseling and childhood nutrition programs. LA BioMed is academically affiliated with the David Geffen School of Medicine at UCLA and located on the campus of Harbor-UCLA Medical Center.


Laura Mecoy
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Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center (LA BioMed)

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