Study of ctDNA Guided Change in Tx for Refractory Minimal Residual Disease in Colon Adenocarcinomas

Trial statusRecruiting
Trial phasePhase 1
Trial typeInterventional
Biological sexAll
Age18+
SponsorUniversity of California, Irvine

About this trial

This is a phase 1b, prospective, single arm, non-randomized, open-label clinical trial determining the efficacy of adjuvant trifluridine and tipiracil (TAS-102) in combination with irinotecan in patients with ctDNA positive colon adenocarcinoma.

Eligibility criteria

Qualifiers

Patients must have histologically or cytologically confirmed adenocarcinoma of the colon (high rectal cancer is eligible if resected and no radiation needed). Other histologies which are treated per NCCN guidelines for adjuvant colon cancer are eligible.

Must have Stage II, Stage III, or Stage IV colorectal cancer after curative intent resection eligible for adjuvant doublet chemotherapy for at least 3 months.

Must have ctDNA positive assay (tested by Signatera MRD assay) after at least 3 months of perioperative chemotherapy

Age ≥ 18 years

Disqualifiers

Patients who have had major surgery within 4 weeks, or chemotherapy or radiotherapy within 2 weeks prior to Cycle 1 Day 1

All toxicities attributed to prior anti-cancer therapy other than alopecia must have resolved to grade 1 or baseline

Patients may not be receiving any other investigational agents.

Patients with known metastases.

Trial design

Treatments tested in this trial

  • TAS-102
  • Irinotecan
  • Standard Treatment
  • Signatera MRD ctDNA Assay

Treatment groups

22 Participants
are divided into 1 treatment group

Sponsors and collaborators

University of California, Irvine

Lead sponsor

Taiho Pharmaceutical Co., Ltd.

Collaborator

Natera, Inc.

Collaborator