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An update on selective estrogen receptor modulators for the prevention and treatment of osteoporosis

Barry S Komm1, Arkadi A Chines

  • 1Pfizer Inc, 500 Arcola Road, Collegeville, PA 19426, USA. barry.komm@pfizer.com

Maturitas
|December 27, 2011
PubMed

Insights

Selective estrogen receptor modulators (SERMs) show promise for treating postmenopausal osteoporosis. While effective in reducing fracture risk, some SERMs have associated side effects, necessitating further research and development.

Area of Science:

  • Endocrinology
  • Pharmacology
  • Bone Biology

Background:

  • Postmenopausal osteoporosis is a significant health concern.
  • Selective estrogen receptor modulators (SERMs) are being developed as therapeutic options.
  • Estrogen therapy has risks, driving the need for tissue-specific agents.

Purpose of the Study:

  • To review the clinical development and efficacy of SERMs for postmenopausal osteoporosis.
  • To compare the safety and tolerability profiles of different SERMs.
  • To discuss future directions in SERM research for bone health.

Main Methods:

  • Review of clinical trial data for bazedoxifene and lasofoxifene.
  • Analysis of fracture risk reduction and safety data, including breast and endometrial effects.
  • Examination of emerging SERMs and combination therapies.

Main Results:

  • Bazedoxifene demonstrated significant vertebral and non-vertebral fracture risk reduction without breast or endometrial stimulation.
  • Lasofoxifene also reduced fracture risk but was linked to endometrial/uterine effects.
  • Common class effects included hot flushes and venous thromboembolic events.

Conclusions:

  • SERMs offer a promising therapeutic avenue for postmenopausal osteoporosis.
  • Bazedoxifene presents a favorable risk-benefit profile regarding bone health and reproductive tissues.
  • Ongoing research into novel SERMs and combination therapies aims to optimize treatment outcomes.

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