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letter
. 2012 Dec;58(12):1334.

Bioidentical hormone therapy

Elisabeth Gold 1
PMCID: PMC3520653  PMID: 23242886

The conclusion of the July Tools for Practice, “that there is no convincing evidence that bioidentical hormones are safer or more effective than synthetic HRT [hormone replacement therapy],”1 is contradicted by a meta-analysis that concluded “physiological data and clinical outcomes demonstrate that bioidentical hormones are associated with lower risks, including the risk of breast cancer and cardiovascular disease, and are more efficacious than their synthetic and animal-derived counterparts. Until evidence to the contrary, bioidentical hormones remain the preferred method of HRT. Further randomized controlled trials are needed to delineate these differences more clearly.”2 I wonder if the authors of the Tools for Practice have reviewed the papers that made up this meta-analysis.

Footnotes

Competing interests

None declared

References

  • 1.Korownyk C, Allan GM, McCormack J. Bioidentical hormone micronized progesterone. Can Fam Physician. 2012;58:755. [PMC free article] [PubMed] [Google Scholar]
  • 2.Holtorf K. The bioidentical hormone debate: are bioidentical hormones (estradiol, estriol, and progesterone) safer or more efficacious than commonly used synthetic versions in hormone replacement therapy? Postgrad Med. 2009;121(1):73–85. doi: 10.3810/pgm.2009.01.1949. [DOI] [PubMed] [Google Scholar]

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