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Study identifier: NCT05482516 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

Evaluating Novel Therapies in ctDNA Positive GI Cancers

Condition: Colon Adenocarcinoma · Rectal Adenocarcinoma · Gastric Adenocarcinoma  ·  Sponsor: Georgetown University

PhasePhase 3
Planned participants20
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

This study is a non-randomized, open-label, multi-cohort, multi-site, pilot feasibility therapeutic trial. The study will enroll 20 patients across 4 cohorts (CRC, gastric, PDAC, and HCC/intra-hepatic-/extra-hepatic-, gall bladder adenocarcinomas) diagnosed with histologically confirmed GI cancers. These patients will have already completed all Standard of Care (SOC) treatments (including neoadjuvant, surgery, local therapies, and/or adjuvant therapy as applicable), as defined by the treating primary physician or research team, with curative intent but have a positive SignateraTM tumor-informed ctDNA test and NED radiographically by standard imaging within 28 days prior to enrollment and within 1 year of completing all curative-intent therapy. All patients will be treated with intravenous (IV) atezolizumab 1200 mg IV and bevacizumab 15 mg/kg on Day 1 of 21-day cycles until disease recurrence, ctDNA POD, unacceptable toxicity, or subject withdrawal of consent with a maximum 12 month total duration of study therapy. Atezolizumab and bevacizumab drug will be provided.

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

Talk to the study team

Loyanna Hubbard  ·  202-784-0038  ·  lh1065@georgetown.edu

Always discuss trial participation with your own doctor first.

Locations (3)

Georgetown Lombardi Comprehensive Cancer CenterWashington D.C., District of Columbia, United StatesRecruiting
Medstar Washington Hospital CenterWashington D.C., District of Columbia, United StatesRecruiting
John Theurer Cancer Center at Hackensack University Medical CenterHackensack, New Jersey, United StatesRecruiting

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Source record: clinicaltrials.gov/study/NCT05482516