NIH-funded research R37 grant

Improving ovarian cancer treatment with immunotherapy by targeting PP4

Official title: Targeting PP4 to improve ovarian cancer response to immunotherapy

Funded at Mayo Clinic Arizona · NIH-11146613 · Data updated 2026-11-12

This project looks at how blocking a protein called PP4 might make immunotherapy work better for women with ovarian cancer.

More Immunotherapy research and trials

Quick facts

Grant typeR37 grant
Study typeNIH-funded research
Funding institutionMayo Clinic Arizona
NIH-funded
Lab location1 site (Scottsdale, United States)
Project startAugust 3, 2023
Project endJuly 31, 2028
Funding year2025
Award (this year)$457,776
NIH project number5R37CA276047-03
Project IDNIH-11146613 on NIH RePORTER

Who could benefit from this research

Could help

This research is relevant for patients with high-grade serous ovarian cancer, particularly those whose cancer has not responded well to chemotherapy.

Less likely to help

Patients with other types of cancer or those whose ovarian cancer is not resistant to chemotherapy may not directly benefit from this specific approach.

What this research studies

Ovarian cancer can be very difficult to treat, especially when it resists chemotherapy. This project explores a new way to make existing immunotherapies more effective for these challenging cases. Researchers believe that by targeting a specific protein called PP4, they can help the body's immune system better recognize and fight ovarian cancer cells. The goal is to understand how PP4 affects the cancer's ability to hide from the immune system and how it influences the success of current treatments.

Why it matters

Potential benefit: If successful, this work could lead to new treatment strategies that improve how well immunotherapy works for women with ovarian cancer, especially those whose cancer has become resistant to chemotherapy.

How similar studies have gone: The role of PP4 in cancer development and anti-tumor immunity is currently unknown, making this a novel and untested approach.

Where this research is happening

  • Mayo Clinic Arizona
    Scottsdale, United States
    Active

Researchers

  • Principal investigator: Curtis, Marion — Mayo Clinic Arizona
  • Study coordinator: Curtis, Marion

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.