NIH-funded research R01 grant

Improving Bone Strength for Older Adults

Official title: PKG Regulation of Sirtuin 1 as a Novel Treatment Strategy for Age-related Osteoporosis

Funded at University of California, San Diego · NIH-11086095 · Data updated 2026-11-12

This research looks for new ways to strengthen bones and prevent bone loss in older adults by focusing on specific body signals and a potential new treatment.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of California, San Diego
NIH-funded
Lab location1 site (La Jolla, United States)
Project startSeptember 5, 2021
Project endMay 31, 2026
Funding year2025
Award (this year)$455,817
NIH project number5R01AG070778-10
Project IDNIH-11086095 on NIH RePORTER

Who could benefit from this research

Could help

This foundational research aims to benefit older men and women who experience age-related bone loss or osteoporosis in the future.

Less likely to help

Patients with osteoporosis not related to aging or those who do not experience bone loss would likely not benefit from this specific approach.

What this research studies

Age-related osteoporosis affects millions of older men and women, leading to fractures and limited treatment options. This project explores how a natural signaling pathway, called NO/cGMP/PKG, can boost bone formation and prevent bone loss. We are also focusing on a protein called Sirtuin1 (SIRT1), which naturally decreases with age and contributes to bone weakness. By understanding how these pathways interact and developing a new compound, NO-Cbi, we hope to find better ways to keep bones strong as we age.

Why it matters

Potential benefit: If successful, this could lead to new, more effective treatments for age-related osteoporosis with fewer side effects than current options.

How similar studies have gone: Early studies in animal models have shown promising results with similar approaches to enhance bone formation and prevent bone loss.

Where this research is happening

  • University of California, San Diego
    La Jolla, United States
    Active

Researchers

  • Principal investigator: Pilz, Renate B — University of California, San Diego
  • Study coordinator: Pilz, Renate B

Related research

Other NIH-funded projects on the same topics.

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.
Last reviewed 2026-11-14 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.