Study to Assess the Safety, Tolerability, and Efficacy of IDX-1197 in Combination with XELOX or Irinotecan in Patients with Advanced Gastric Cancer

Description

This is an open-label, Phase 1b/2a study to evaluate the safety and tolerability of IDX-1197 and determine the MTD and RP2D in combination with XELOX or irinotecan in patients with advanced gastric cancer.

Conditions

Gastric Cancer

Study Overview

Study Details

Study overview

This is an open-label, Phase 1b/2a study to evaluate the safety and tolerability of IDX-1197 and determine the MTD and RP2D in combination with XELOX or irinotecan in patients with advanced gastric cancer.

An Open-Label, International, Multicenter, Phase 1b/2a Study to Assess the Safety, Tolerability, and Efficacy of IDX-1197 in Combination with XELOX (Capecitabine and Oxaliplatin) or Irinotecan in Patients with Advanced Gastric Cancer

Study to Assess the Safety, Tolerability, and Efficacy of IDX-1197 in Combination with XELOX or Irinotecan in Patients with Advanced Gastric Cancer

Condition
Gastric Cancer
Intervention / Treatment

-

Contacts and Locations

Los Angeles

USC Norris Comp. Cancer Ctr Hospital, Los Angeles, California, United States, 90033

Baton Rouge

Hematology Oncology Clinic Baton Rouge / Sarah Cannon, Baton Rouge, Louisiana, United States, 70809

Boston

Dana Farber Cancer Institute, Boston, Massachusetts, United States, 02215

East Brunswick

Astera Cancer Care, East Brunswick, New Jersey, United States, 08816

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

For general information about clinical research, read Learn About Studies.

Eligibility Criteria

  • * Group 1, patients with treatment-naïve recurrent or advanced metastatic gastric cancer including gastroesophageal junction or upper part of the stomach.
  • * Group 2, patients with recurrent or advanced metastatic gastric cancer including gastroesophageal junction or upper part of the stomach, who were treated ≥2 times with palliative chemotherapy before screening.
  • * At least 1 evaluable lesion for the dose escalation part and at least 1 measurable lesion according to RECIST v1.1 for the dose expansion part.
  • * Eastern Cooperative Oncology Group (ECOG) performance status ≤1.
  • * Group 2 Part C, patients should have UGT1A1 genotype tested during or prior to screening.
  • * Symptomatic central nervous system or uncontrolled brain metastasis
  • * Carcinomatous meningitis or its history.
  • * For Group 1, patients who are HER 2 positive.
  • * Any other concurrent uncontrolled illness including, but not limited to, active or ongoing symptomatic infection requiring IV antibiotic treatment, uncontrolled diabetes, hepatic, renal, or respiratory illness.
  • * Severe or unstable angina, myocardial infarction or ischemia, symptomatic congestive heart failure, arterial or venous thromboembolism requiring coronary artery bypass graft or stent within the past 6 months or clinically significant cardiac dysrhythmia or New York Heart Association class II \~ IV heart disease within 6 months of randomization.
  • * Uncontrolled hypertension
  • * Immunocompromised patients, such as patients known to be serologically positive for HIV.
  • * Patients with known active Hepatitis B or C infection.
  • * Patients with known active or symptomatic pneumonitis, or history of non-infectious pneumonitis requiring steroids.
  • * Diagnosis of a myelodysplastic syndrome/acute myeloid leukemia or its suspicious characteristics.
  • * Any unresolved clinically significant Common Terminology Criteria for Adverse Events (CTCAE) Grade ≥2 toxicity
  • * Resting ECG with measurable QTcF \> 470 msec on 2 or more time points within a 24-hour period or family history of long QT syndrome.
  • * Current use of a cytochrome P3A4 inhibitor or inducer and strong uridine diphosphate (UDP)-glucuronosyltransferase 1A1 (UGT1A1) inhibitors.

Ages Eligible for Study

18 Years to

Sexes Eligible for Study

ALL

Accepts Healthy Volunteers

No

Collaborators and Investigators

Idience Co., Ltd.,

Study Record Dates

2026-06-30