Why Knee Arthritis Affects Men and Women Differently with Age

Sex Dimorphism in Age-Related Knee Osteoarthritis

['FUNDING_R01'] · SPAULDING REHABILITATION HOSPITAL · NIH-11191563

This research explores why knee arthritis often affects older women more severely than men, looking at genetic and hormonal factors.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorSPAULDING REHABILITATION HOSPITAL (nih funded)
Locations1 site (CHARLESTOWN, UNITED STATES)
Trial IDNIH-11191563 on ClinicalTrials.gov

What this research studies

We know that knee arthritis, or osteoarthritis, often gets worse for women as they get older, but we don't fully understand why. This project aims to uncover if these differences are due to genetics, hormones, or a combination of both. Researchers will look closely at the tiny environment around cartilage cells, including fluids and the stiffness of surrounding tissues, to see how these factors contribute to arthritis development. They will use innovative lab models and advanced computer analysis to understand these complex interactions in both men and women.

Who could benefit from this research

Good fit: This research focuses on understanding the underlying causes of age-related knee osteoarthritis, particularly the differences between sexes.

Not a fit: Patients whose knee pain is not related to age-related osteoarthritis or sex-specific factors may not directly benefit from this specific line of inquiry.

Why it matters

Potential benefit: If successful, this could lead to new ways to prevent or treat knee osteoarthritis, especially for women.

How similar studies have performed: While the specific mechanisms of sex- and age-dependent KOA pathogenesis are still being clarified, previous research has highlighted sex differences in osteoarthritis prevalence and severity.

Where this research is happening

CHARLESTOWN, 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.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.