Stopping bone damage in multiple myeloma by blocking RANK signaling

RANK Signaling Inhibitors for Osteolytic Lesions in Multiple Myeloma

NIH-funded research University of Alabama at Birmingham · NIH-11252570

This project develops small molecules that block RANK signaling to prevent bone lesions in people with multiple myeloma.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Alabama at Birmingham NIH-funded
Lab location1 site (Birmingham, United States)
Project IDNIH-11252570 on NIH RePORTER

What this research studies

People with multiple myeloma often get painful bone lesions because the tumor increases bone-breaking cells called osteoclasts. The team is studying specific parts of the RANK protein that control osteoclast formation and has made animal models to test targeted inhibitors. The goal is to make small-molecule drugs that stop bone damage without hurting immune cells the way current drugs can. These experiments are mainly done in the lab and in animal models to guide future treatments for patients.

Who could benefit from this research

Good fit: Ultimately, people with multiple myeloma who have or are at high risk for bone lesions and skeletal-related events would be the likely candidates for therapies developed from this work.

Not a fit: Patients without bone involvement or those needing immediate treatment are unlikely to benefit directly while this work remains preclinical.

Why it matters

Potential benefit: If successful, this could lead to less immunosuppressive, potentially cheaper and easier-to-give treatments that reduce bone lesions and related complications in multiple myeloma.

How similar studies have performed: Antiresorptive drugs like denosumab and bisphosphonates reduce bone events but carry immune and jaw-risk side effects, and small-molecule inhibitors that selectively block RANK signaling in bone are a relatively novel approach with limited prior clinical testing.

Where this research is happening

Birmingham, 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.