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Study identifier: NCT06336902 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

Botensilimab Plus Balstilimab and Fasting Mimicking Diet Plus Vitamin C for Patients With KRAS-Mutant Metastatic Colorectal Cancer

Condition: Metastatic Colorectal Adenocarcinoma · Stage IV Colorectal Cancer AJCC v8  ·  Sponsor: University of Southern California

PhasePhase 1
Planned participants15
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

This phase Ib trial tests the safety, side effects, and effectiveness of botensilimab, and balstilimab in combination with a fasting mimicking diet and high dose vitamin C in treating patients with KRAS-mutant metastatic colorectal cancer. Botensilimab and balstilimab are monoclonal antibodies that may interfere with the ability of tumor cells to grow and spread. KRAS is protein found on some tumor cells that is involved in the growth of tumor cells. KRAS mutant cells have been found to be more sensitive to vitamin C induced growth suppression in the presence of low-sugar (glucose). A fasting mimicking diet, a plant-based, calorie reduced, low-sugar diet alternating with refeeding periods, may positively change the way the body responds to cancer treatment. Vitamin C is a nutrient that the body needs in small amounts to function and stay healthy. It is an antioxidant that that can help prevent cell damage and may block growth and spread of tumor cells. Botensilimab and balstilimab in combination with a fasting mimicking diet and high dose vitamin C may be safe, tolerable and effective in treating patients with KRAS-mutant metastatic colorectal cancer.

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

Talk to the study team

Charlean Ketchens, RN  ·  323-865-0451  ·  Charlean.Ketchens@med.usc.edu

Rabia Rehman  ·  323-865-0451  ·  Rabia.Rehman@med.usc.edu

Always discuss trial participation with your own doctor first.

Locations (3)

Saint Jude Medical Center / Providence Medical FoundationFullerton, California, United StatesRecruiting
Los Angeles General Medical CenterLos Angeles, California, United StatesRecruiting
USC / Norris Comprehensive Cancer CenterLos Angeles, California, United StatesRecruiting

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Source record: clinicaltrials.gov/study/NCT06336902