Positron Emission Tomography/Computed Tomography

1 clinical trials involving this therapy/drug

This is not medical advice - consult your oncologist

Descriptions are automatically translated with AI assistance. Always verify details in the original on ClinicalTrials.gov and consult your treating physician.

RecruitingPhase IIBreast cancerHormone receptor positive (HR+)Metastatic / advanced

Biomarkers to Detect Endocrine Therapy Resistance

NCT06067503ClinicalTrials.gov ↗

This pilot observational study is being done to identify possible biomarkers of response to endocrine therapy in patients with ER/PR+ metastatic lobular breast cancer (LBC) starting new endocrine therapy. 18F-fluorofuranylnorprogesterone Positron Emission Tomography/Computed Tomography (FFNP-PET/CT) and liquid biopsies will be performed at baseline and after 4 weeks of treatment. Baseline levels and dynamic on-treatment changes in estrogen signaling as measured by FFNP-PET/CT and circulating tumor cell (CTC) liquid biopsy will be correlated with clinical response to endocrine therapy and progression-free survival in the above cohort of patients.

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