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Stomach Cancer clinical trials

211 actively recruiting stomach cancer trials in the United States. Gastric adenocarcinoma. Trials test perioperative chemo-immunotherapy, HER2-targeted agents, and novel therapies for advanced disease.

Data from ClinicalTrials.gov · last refreshed · Stomach Cancer stats on SEER

63
Phase 1
80
Phase 2
16
Phase 3
3
Phase 4
49
Other

Stomach Cancer by the numbers (U.S.)

30,300
Estimated new cases (2025)
10,780
Estimated deaths (2025)
37.9%
5-year relative survival
68
Median age at diagnosis

Source: NCI SEER Cancer Stat Facts

Browse stomach cancer trials by state

Top trials by phase + site coverage

Phase 3 Recruiting Academic/Other

mFOLFIRINOX Versus mFOLFOX With or Without Nivolumab for the Treatment of Advanced, Unresectable, or Metastatic HER2 Negative Esophageal, Gastroesophageal Junction, and Gastric Adenocarcinoma

This phase III trial compares the effect of modified fluorouracil, leucovorin calcium, oxaliplatin, and irinotecan (mFOLFIRINOX) to modified fluorouracil, leucovorin calcium, and oxaliplatin (mFOLFOX) for the treatment of advanced, unresec…

Sponsor: Alliance for Clinical Trials in Oncology
NCT ID: NCT05677490
Locations:
  • University of Alabama at Birmingham Cancer Center — Birmingham, Alabama
  • Anchorage Associates in Radiation Medicine — Anchorage, Alaska
  • Anchorage Radiation Therapy Center — Anchorage, Alaska

+ 781 more sites in the U.S.

Phase 2, Phase 3 Recruiting NIH

Adding Nivolumab to Usual Treatment for People With Advanced Stomach or Esophageal Cancer, PARAMUNE Trial

This phase II/III trial compares the addition of nivolumab to the usual treatment of paclitaxel and ramucirumab to paclitaxel and ramucirumab alone in treating patients with gastric or esophageal adenocarcinoma that may have spread from wh…

Sponsor: National Cancer Institute (NCI)
NCT ID: NCT06203600
Locations:
  • Baptist Health Medical Center - Little Rock — Little Rock, Arkansas
  • University of Arkansas for Medical Sciences — Little Rock, Arkansas
  • Kaiser Permanente-Anaheim — Anaheim, California

+ 368 more sites in the U.S.

Phase 3 Recruiting Industry

Sonesitatug Vedotin in Combination With Capecitabine With or Without Rilvegostomig in Participants With Advanced or Metastatic Gastric, Gastroesophageal Junction, or Esophageal Adenocarcinoma Expressing Claudin18.2

The purpose of this study is to evaluate the efficacy and safety of sonesitatug vedotin in combination with capecitabine with or without rilvegostomig in first-line (1L) Claudin18.2 (CLDN18.2)-positive, human epidermal growth factor recept…

Sponsor: AstraZeneca
NCT ID: NCT07431281
Locations:
  • Research Site — Phoenix, Arizona
  • Research Site — Springdale, Arkansas
  • Research Site — Duarte, California

+ 66 more sites in the U.S.

Phase 2, Phase 3 Recruiting Industry

A Study to Learn About the Study Medicine Called PF-08634404 in Combination With Chemotherapy in Gastroesophageal Cancer

This study is being done to learn more about a new medicine called PF-08634404 and how well it works when given with chemotherapy to people with gastroesophageal cancer that is locally advanced (spread to nearby tissues) or has spread to o…

Sponsor: Pfizer
NCT ID: NCT07392892
Locations:
  • Rocky Mountain Cancer Centers, LLP — Aurora, Colorado
  • Rocky Mountain Cancer Centers, LLP — Boulder, Colorado
  • Rocky Mountain Cancer Centers, LLP — Centennial, Colorado

+ 54 more sites in the U.S.

Phase 3 Recruiting Industry

A Phase Ⅲ Study of Rilvegostomig in Combination With Fluoropyrimidine and Trastuzumab Deruxtecan as the First-line Treatment for HER2-positive Gastric Cancer

This is a Phase Ⅲ, randomized, open-label, Sponsor-blinded, 3-arm, global, multicenter study assessing the efficacy and safety of rilvegostomig in combination with fluoropyrimidine and T-DXd (Arm A) compared to trastuzumab, chemotherapy, a…

Sponsor: AstraZeneca
NCT ID: NCT06764875
Locations:
  • Research Site — Anchorage, Alaska
  • Research Site — Phoenix, Arizona
  • Research Site — Duarte, California

+ 47 more sites in the U.S.

Phase 3 Recruiting Industry

AZD0901 Compared With Investigator's Choice of Therapy in Participants With Second- or Later-line Advanced or Metastatic Gastric or Gastroesophageal Junction Adenocarcinoma Expressing Claudin18.2

The purpose of this study is to measure the efficacy and safety of AZD0901 compared to Investigator's choice of therapy as 2L+ treatment for participants with advanced or metastatic gastric or GEJ adenocarcinoma expressing CLDN18.2.

Sponsor: AstraZeneca
NCT ID: NCT06346392
Locations:
  • Research Site — Birmingham, Alabama
  • Research Site — Mobile, Alabama
  • Research Site — Tucson, Arizona

+ 35 more sites in the U.S.

Phase 2, Phase 3 Recruiting Industry

A Study to Evaluate the Safety and Efficacy of Pumitamig in Combination With Chemotherapy Versus Nivolumab in Combination With Chemotherapy in Participants With Previously Untreated Advanced or Metastatic Gastric, Gastroesophageal Junction, or Esophageal Adenocarcinoma (ROSETTA Gastric-204)

The purpose of this study is to evaluate the safety and efficacy of Pumitamig in combination with chemotherapy versus Nivolumab in combination with chemotherapy in participants with previously untreated advanced or metastatic gastric, gast…

Sponsor: Bristol-Myers Squibb
NCT ID: NCT07221149
Locations:
  • Local Institution - 0284 — Phoenix, Arizona
  • Local Institution - 0437 — Los Angeles, California
  • Local Institution - 0277 — Orange, California

+ 30 more sites in the U.S.

Phase 3 Recruiting Industry

Study of RYZ101 Compared With SOC in Pts w Inoperable SSTR+ Well-differentiated GEP-NET That Has Progressed Following 177Lu-SSA Therapy

This study aims to determine the safety, pharmacokinetics (PK) and recommended Phase 3 dose (RP3D) of RYZ101 in Part 1, and the safety, efficacy, and PK of RYZ101 compared with investigator-selected standard of care (SoC) therapy in Part 2…

Sponsor: RayzeBio, Inc.
NCT ID: NCT05477576
Locations:
  • Research Facility — Phoenix, Arizona
  • Research Facility — Duarte, California
  • Research Facility — Irvine, California

+ 29 more sites in the U.S.

Phase 3 Recruiting Industry

A Phase Ⅲ Clinical Study of HLX22 in Combination With Trastuzumab and Chemotherapy for the Treatment of Gastroesophageal Junction and Gastric Cancer

This is a double-blind, randomized, multiregion, comparative phase Ⅲ clinical study designed to evaluate the efficacy and safety of HLX22 in combination with trastuzumab and chemotherapy as first-line treatment in patients with HER2-positi…

Sponsor: Shanghai Henlius Biotech
NCT ID: NCT06532006
Locations:
  • Los Angeles Cancer Network — Anaheim, California
  • OPN - Oncology Physician Network (Los Alamitos) — Los Alamitos, California
  • Banner MD Anderson Cancer Center — Greeley, Colorado

+ 26 more sites in the U.S.

Phase 3 Recruiting Industry

A Study of Zolbetuximab Together With Pembrolizumab and Chemotherapy in Adults With Gastric Cancer

Zolbetuximab is being studied in people with cancer in and around the stomach or where the food pipe (esophagus) joins the stomach, called gastroesophageal junction (GEJ) cancer. Zolbetuximab with chemotherapy may be used to treat stomach …

Sponsor: Astellas Pharma Global Development, Inc.
NCT ID: NCT06901531
Locations:
  • TOI Clinical Research — Cerritos, California
  • The Angeles Clinic and Research Institute, West Los Angeles Office — Los Angeles, California
  • Hartford HealthCare - Hartford Hospital — Hartford, Connecticut

+ 22 more sites in the U.S.

Phase 3 Recruiting Industry

Study to Evaluate the Efficacy and Safety of [177Lu]Lu-DOTA-TATE in Patients With Grade 1 and Grade 2 Advanced GEP-NET

The purpose of the current study is to evaluate the efficacy and safety of \[177Lu\]Lu-DOTA-TATE plus octreotide long-acting release (LAR) versus octreotide LAR alone in newly diagnosed patients with somatostatin receptor positive (SSTR+),…

Sponsor: Novartis Pharmaceuticals
NCT ID: NCT06784752
Locations:
  • Mayo Clinic Arizona — Scottsdale, Arizona
  • Highlands Oncology Group — Fayetteville, Arkansas
  • Rocky Mountain Cancer Centers — Denver, Colorado

+ 16 more sites in the U.S.

Phase 3 Recruiting Industry

Study of TDXd, Chemotherapy, Pembrolizumab, and Trastuzumab in First-Line Metastatic HER2-Positive Gastric or Gastroesophageal Junction Cancer

This clinical trial is designed to assess the efficacy and safety of the triplet combination of trastuzumab deruxtecan (ENHERTU, T-DXd, DS-8201a) plus a fluoropyrimidine plus pembrolizumab versus standard of care (SoC) chemotherapy plus tr…

Sponsor: Daiichi Sankyo
NCT ID: NCT06731478
Locations:
  • Yale Cancer Center — New Haven, Connecticut
  • Orchard Healthcare Research Inc. — Skokie, Illinois
  • University of Kansas Medical Center Research Institute, Inc. — Kansas City, Kansas

+ 15 more sites in the U.S.

Showing 12 of 211 trials. See all on ClinicalTrials.gov

Medical disclaimer: Information on this page aggregates public ClinicalTrials.gov data. It is not medical advice. Always confirm eligibility and enrollment details with the trial site or your oncologist.

Source: ClinicalTrials.gov API v2 · Last checked: 2026-04-20