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Health officials preparing for an upcoming public meeting on the "state of the science" of replacement therapy now have more to go on.
Two new studies support recent findings that hormone replacement therapy (HRT) does not prevent cardiovascular disease, and that the risks of the therapy may outweigh its benefits. Both studies were conducted on behalf of the U.S. Preventive Services Task Force to aid in development of updated HRT recommendations expected out this fall, according to the Agency for Healthcare Research and Quality which sponsors the task force and funded the studies.
In the first study, which drew upon previously published data, HRT use was not associated with a significantly increased risk of death due to cardiovascular disease (summary relative risk of 0.75) or coronary artery disease (summary relative risk of 0.74), but it was associated with increased incidence of cardiovascular disease (summary relative risk of 1.28), Dr. Linda L. Humphries of the Oregon Health & Science University, Portland, and her colleagues reported.
The investigators analyzed 20 observational studies, 1 randomized controlled trial, and 1 metaanalysis that looked at outcomes other than cardiovascular disease. All included studies that were rated as fair or good in quality according to U.S. Preventive Services Task Force criteria (Ann. Intern. Med. 137[4]:273-84, 2002).
In the second newly published study, which involved a systematic literature review and metaanalysis of data on various outcomes, HRT was shown to have some benefit for preventing osteoporosis and colorectal cancer. However, it also increased the risk of coronary heart disease (CHD), stroke, thromboembolism, cholecystitis, and--in those who used HRT for more than 5 ...
Source: HighBeam Research, Two new studies suggest that HRT's risks may outweigh its benefits....