Exploring the use of erectile dysfunction drugs to improve bone health in elderly females

Proof-of-Concept and Mechanistic Studies to Repurpose Erectile Dysfunction Drugs for Elderly Females

NIH-funded research Icahn School of Medicine at Mount Sinai · NIH-11054645

This study is looking at whether common erectile dysfunction medications, like tadalafil and vardenafil, can help improve bone health and prevent osteoporosis in older women by boosting bone growth.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionIcahn School of Medicine at Mount Sinai NIH-funded
Lab location1 site (New York, United States)
Project IDNIH-11054645 on NIH RePORTER

What this research studies

This research investigates the potential of repurposing FDA-approved erectile dysfunction medications, such as tadalafil and vardenafil, to enhance bone health in elderly women. The study focuses on how these drugs inhibit the enzyme phosphodiesterase 5A (PDE5A), which plays a crucial role in bone remodeling. By stimulating the nitric oxide-cGMP-protein kinase G pathway, the research aims to determine if these medications can increase bone mass and prevent osteoporosis in older females. The approach includes preclinical studies in mice to assess the effects of these drugs on bone formation and resorption.

Who could benefit from this research

Good fit: Ideal candidates for this research are elderly females at risk of osteoporosis or experiencing bone density loss.

Not a fit: Patients who are not elderly females or those without risk factors for osteoporosis may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could provide a new treatment option for preventing osteoporosis in elderly women.

How similar studies have performed: Previous studies have shown promising results in using PDE5A inhibitors for bone health in male populations, suggesting potential for success in this novel application for females.

Where this research is happening

New York, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.