Using antibodies to block a protein that promotes cancer and heart issues

Monoclonal antibody inhibition of thrombin cleavage of osteopontin as a novel therapeutic to enhance host antitumor immunity and reduce cardiac fibrosis

NIH-funded research Veterans Admin Palo Alto Health Care Sys · NIH-11063100

This study is looking at how a protein related to cancer and heart issues can be blocked using special antibodies, and it aims to find out if stopping a certain enzyme from affecting this protein can help boost the immune system against tumors and improve heart health, which could lead to better treatments for patients.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionVeterans Admin Palo Alto Health Care Sys NIH-funded
Lab location1 site (Palo Alto, United States)
Project IDNIH-11063100 on NIH RePORTER

What this research studies

This research investigates how a specific protein called osteopontin (OPN), which is linked to cancer growth and heart problems, can be inhibited using monoclonal antibodies. The study focuses on the role of thrombin, an enzyme that cleaves OPN, in promoting tumor growth and reducing the body's immune response against cancer. By creating a modified mouse model that resists this cleavage, researchers aim to understand how blocking this process can enhance the immune response against tumors and potentially reduce heart fibrosis. Patients may benefit from insights gained about new therapeutic strategies that could improve cancer treatment and heart health.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals diagnosed with cancers such as melanoma or ovarian cancer, particularly those who may also have cardiovascular concerns.

Not a fit: Patients with cancers not related to osteopontin activity or those without cardiovascular issues may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new therapies that enhance the body's ability to fight cancer while also protecting heart health.

How similar studies have performed: Previous research has shown promising results in using similar approaches to enhance anti-tumor immunity, suggesting potential for success in this novel application.

Where this research is happening

Palo Alto, 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.