New drug combo shows promise in early stomach cancer trial
NCT ID NCT04725994
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This early-phase trial tests a new drug called IDX-1197 combined with standard chemotherapy (XELOX or irinotecan) in 87 people with advanced stomach cancer. The main goal is to find the safest dose and check for side effects. It is not yet known if the combination works better than current treatments.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- IDX-1197 (a drug) combined with chemotherapy (capecitabine, oxaliplatin, or irinotecan)
- What this could lead to
- If it works, this could point toward a new treatment option for advanced gastric cancer that may help control the disease.
- What could go wrong
- This is an early-phase trial with only 87 patients, so it is too small to prove effectiveness. The drug may cause side effects or fail to improve outcomes.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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87 people
The number who actually took part.
- Started
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Jun 2021
- Expected to finish
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Mar 2027
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion 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. Exclusion Criteria: * 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.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Asan Medical Center
Seoul, South Korea
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Astera Cancer Care
East Brunswick, New Jersey, 08816, United States
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Beijing Cancer Hospital
Beijing, China
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Beth Israel Deaconess Medical Center
Boston, Massachusetts, 02215, United States
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Dana Farber Cancer Institute
Boston, Massachusetts, 02215, United States
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Dong-A University Hospital
Busan, 49201, South Korea
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Hematology Oncology Clinic Baton Rouge / Sarah Cannon
Baton Rouge, Louisiana, 70809, United States
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Jeonbuk National University Hospital
Jeonju, Jeollabuk-do, South Korea
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Korea University Anam Hospital
Seoul, 02841, South Korea
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Korea University Guro Hospital
Seoul, 08308, South Korea
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Samsung Medical Center
Seoul, South Korea
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Seoul National University Bundang Hospital
Seongnam, South Korea
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Seoul National University Hospital
Seoul, South Korea
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Severance Hospital - Yonsei Cancer Center
Seoul, South Korea
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Shanghai East Hospital
Shanghai, China
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The Sixth Affiliated Hospital of Sun Yat-Sen University
Guangzhou, China
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USC Norris Comp. Cancer Ctr Hospital
Los Angeles, California, 90033, United States
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