Targeting the RB tumor suppressor to improve treatment for ER-positive breast cancer

RB tumor suppressor as a therapeutic target in ER-positive breast cancer

NIH-funded research Roswell Park Cancer Institute Corp · NIH-11010047

This study is looking at how a specific pathway in our cells, called the RB tumor suppressor pathway, influences the treatment of estrogen receptor-positive breast cancer, with the goal of finding better ways to help patients respond to common therapies and overcome challenges when tumors stop responding to treatment.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionRoswell Park Cancer Institute Corp NIH-funded
Lab location1 site (Buffalo, United States)
Project IDNIH-11010047 on NIH RePORTER

What this research studies

This research investigates the role of the RB tumor suppressor pathway in the treatment of estrogen receptor-positive (ER+) breast cancer. It aims to understand how this pathway affects the response to common therapies, including endocrine treatments and CDK4/6 inhibitors. By analyzing the mechanisms behind therapeutic resistance, the study seeks to develop strategies to enhance treatment effectiveness and overcome challenges posed by tumors that may lose RB function. Patients may benefit from new treatment regimens identified through drug screening and organoid models.

Who could benefit from this research

Good fit: Ideal candidates for this research are women diagnosed with ER-positive breast cancer, particularly those experiencing treatment resistance.

Not a fit: Patients with ER-negative breast cancer or those who do not have a history of treatment resistance may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to more effective therapies for patients with ER-positive breast cancer, potentially improving their treatment outcomes.

How similar studies have performed: Previous research has shown promising results in targeting cell cycle pathways in cancer treatment, indicating that this approach may yield significant advancements.

Where this research is happening

Buffalo, 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.