Targeted alpha-particle therapy combined with immune checkpoint drugs for melanoma

Combinations of Receptor-Targeted Alpha Radionuclide Therapy and Immune Checkpoint Inhibitors for Melanoma Treatment

NIH-funded research State University New York Stony Brook · NIH-11336464

A new targeted alpha-particle treatment paired with immune checkpoint drugs for people with advanced melanoma.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionState University New York Stony Brook NIH-funded
Lab location1 site (Stony Brook, United States)
Project IDNIH-11336464 on NIH RePORTER

What this research studies

Researchers are developing small peptides that specifically bind the melanocortin-1 receptor (MC1R), which is present on most metastatic melanoma cells. These peptides are labeled with lead isotopes (203Pb/212Pb) so doctors can image tumors and deliver highly focused alpha radiation directly to cancer cells. The project plans to combine this targeted radiation with immune checkpoint inhibitors to try to increase tumor killing and stimulate a stronger anti-cancer immune response. Work includes laboratory and animal studies and builds on earlier first-in-human imaging that showed the peptide can successfully find melanoma in people.

Who could benefit from this research

Good fit: Ideal candidates would be people with advanced or metastatic melanoma whose tumors show MC1R expression and who are eligible for radionuclide therapy and immune checkpoint inhibitors.

Not a fit: People with early-stage melanoma, tumors that lack MC1R expression, or those who cannot tolerate radiation or immunotherapy may not receive benefit from this approach.

Why it matters

Potential benefit: If successful, this approach could more precisely destroy melanoma cells and boost immune control, potentially improving outcomes for people with metastatic melanoma.

How similar studies have performed: Early first-in-human imaging with an MC1R-targeted tracer demonstrated feasibility, but combining MC1R-targeted alpha therapy with immune checkpoint inhibitors is largely novel with limited prior human data.

Where this research is happening

Stony Brook, 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.