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Study identifier: NCT06225011 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

Fluoxetine for the Modification of Colorectal Tumor Immune Cells Before Surgery in Patients With Colorectal Cancer

Condition: Colorectal Adenocarcinoma  ·  Sponsor: Jonsson Comprehensive Cancer Center

PhasePhase 1
Planned participants10
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

This phase I trial tests whether fluoxetine (prozac) works to modify the tumor immune cells before surgery in patients with colorectal cancer. Fluoxetine is a commonly used selective serotonin reuptake inhibitor (SSRI) prescribed for major depressive disorder and generalized anxiety. Giving fluoxetine may modify the immune cell composition in the tumor and its microenvironment and may induce changes in body's immune system and may interfere with the ability of tumor cells to grow and spread in patients with colorectal cancer.

This description comes directly from the study's public registry record.

Talk to the study team

Jasmine Mitchell, MD  ·  310-825-0712  ·  jlmitchell@mednet.ucla.edu

Always discuss trial participation with your own doctor first.

Locations (1)

UCLA / Jonsson Comprehensive Cancer CenterLos Angeles, California, United StatesRecruiting

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Source record: clinicaltrials.gov/study/NCT06225011