Using PET imaging to predict response to hormone therapy in advanced breast cancer

FFNP-PET as a predictive biomarker of response to endocrine therapy approaches in advanced breast cancer

NIH-funded research Washington University · NIH-10914107

This study is looking at a special type of imaging to see how well women with advanced estrogen receptor-positive breast cancer respond to hormone treatments, helping doctors figure out which patients might benefit the most from these therapies.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionWashington University NIH-funded
Lab location1 site (Saint Louis, United States)
Project IDNIH-10914107 on NIH RePORTER

What this research studies

This research investigates the use of a specific type of PET imaging, called FFNP-PET, to determine how well patients with advanced breast cancer respond to hormone therapies. The study focuses on patients with estrogen receptor-positive breast cancer, which is a common type of breast cancer. By using a radiotracer that targets the progesterone receptor, the researchers aim to identify which patients are likely to benefit from endocrine therapy, potentially allowing for more personalized treatment plans. The approach involves imaging before and after a brief hormone challenge to assess changes in receptor activity.

Who could benefit from this research

Good fit: Ideal candidates for this research are patients diagnosed with estrogen receptor-positive, HER2-negative advanced breast cancer.

Not a fit: Patients with breast cancer that is not estrogen receptor-positive or those who have already progressed on all forms of endocrine therapy may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could help identify patients who will respond well to hormone therapy, improving treatment outcomes and potentially avoiding unnecessary chemotherapy.

How similar studies have performed: Previous studies have shown promising results using similar imaging techniques to predict treatment responses in breast cancer, indicating that this approach has potential for success.

Where this research is happening

Saint Louis, 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.
Conditions Breast CancerBreast Cancer PatientBreast Cancer cell line
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.