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Stomach Cancer clinical trials in Washington

34 actively recruiting stomach cancer trials at 32 sites across Washington.

Data from ClinicalTrials.gov · last refreshed

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
Sites in Washington:
  • Providence Regional Cancer System-Aberdeen — Aberdeen, Washington
  • Overlake Medical Center — Bellevue, Washington
  • PeaceHealth Saint Joseph Medical Center — Bellingham, Washington
  • Providence Regional Cancer System-Centralia — Centralia, Washington
  • Swedish Cancer Institute-Edmonds — Edmonds, Washington
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
Sites in Washington:
  • Research Site — Olympia, Washington
  • Research Site — Seattle, Washington
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
Sites in Washington:
  • Research Site — Olympia, Washington
  • Research Site — Seattle, Washington
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
Sites in Washington:
  • Research Facility — Seattle, Washington
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
Sites in Washington:
  • American Oncology Network Vista Oncology Division — Olympia, Washington
  • Northwest Medical Specialties — Tacoma, Washington
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
Sites in Washington:
  • Northwest Medical Specialties — Tacoma, Washington
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
Sites in Washington:
  • Wenatchee Valley Hospital & Clinics — Wenatchee, Washington
Phase 2 Recruiting Industry

A Study of Disitamab Vedotin With Other Anticancer Drugs in Solid Tumors

This clinical trial is studying solid tumor cancers. A solid tumor is one that starts in part of your body like your lungs or liver instead of your blood. Once they've grown bigger in one spot or spread to other parts of the body, they're …

Sponsor: Seagen, a wholly owned subsidiary of Pfizer
NCT ID: NCT06157892
Sites in Washington:
  • Harborview Medical Center — Seattle, Washington
  • Fred Hutchinson Cancer Center / Seattle Cancer Care Alliance / University of Washington — Seattle, Washington
  • University of Washington Medical Center — Seattle, Washington
Phase 1, Phase 2 Recruiting Industry

Beamion BCGC-1: A Study to Find a Suitable Dose of Zongertinib Used Alone and in Combination With Other Treatments to Test Whether it Helps People With Different Types of HER2+ Cancer That Has Spread

This study is open to adults aged 18 years and older with different types of HER2+ cancer that has spread and cannot be removed by surgery. People can take part in this study if their tumours show HER2 aberrations and previous treatment wa…

Sponsor: Boehringer Ingelheim
NCT ID: NCT06324357
Sites in Washington:
  • Fred Hutchinson Cancer Research Center — Seattle, Washington
Phase 1, Phase 2 Recruiting Industry

A Study of a Selective T Cell Receptor (TCR) Targeting, Bifunctional Antibody-fusion Molecule STAR0602 in Participants With Advanced Solid Tumors

This is an open label, multicenter, phase 1/2 study to assess the safety/tolerability and preliminary clinical activity of STAR0602 as a single agent administered intravenously in participants with advanced solid tumors that are antigen-ri…

Sponsor: Marengo Therapeutics, Inc.
NCT ID: NCT05592626
Sites in Washington:
  • Fred Hutchinson Cancer Center — Seattle, Washington
Phase 2 Recruiting Industry

A Study To Evaluate The Efficacy And Safety Of Ifinatamab Deruxtecan (I-DXd) In Subjects With Recurrent Or Metastatic Solid Tumors (IDeate-PanTumor02)

This study is designed to assess the efficacy and safety of ifinatamab deruxtecan (I-DXD) in the following tumor types: endometrial cancer (EC); head and neck squamous cell carcinoma (HNSCC); pancreatic ductal adenocarcinoma (PDAC); colore…

Sponsor: Daiichi Sankyo
NCT ID: NCT06330064
Sites in Washington:
  • Wenatchee Hospitals and Clinics — Wenatchee, Washington
Phase 1, Phase 2 Recruiting Industry

A Study of PARG Inhibitor ETX-19477 in Patients With Advanced Solid Malignancies

This is a two-part, open-label, multicenter, dose escalation and dose expansion study designed to evaluate the safety, tolerability, pharmacokinetics (PK), pharmacodynamics (PDx), and anti- tumor activity of ETX-19477, a novel reversible s…

Sponsor: 858 Therapeutics, Inc.
NCT ID: NCT06395519
Sites in Washington:
  • Fred Hutchinson Cancer Center — Seattle, Washington
Phase 2 Recruiting Industry

A Study of HER3-DXd in Subjects With Locally Advanced or Metastatic Solid Tumors

This is a proof-of-concept study designed to investigate HER3-DXd monotherapy in locally advanced unresectable or metastatic solid tumors. The study is enrolling cohorts of participants with melanoma \[cutaneous/acral\], squamous cell carc…

Sponsor: Daiichi Sankyo
NCT ID: NCT06172478
Sites in Washington:
  • Fred Hutchinson Cancer Center — Seattle, Washington
Phase 2 Recruiting Industry

A Study to Learn More About How Well Treatment With Sevabertinib (BAY 2927088) Tablets Works and How Safe it is in Participants Who Have a Solid Tumor With Mutations of the Human Epidermal Growth Factor Receptor 2 (HER2)

Researchers are looking for a better way to treat people who have solid tumors with HER2-activating mutations. Before a treatment can be approved for people to take, researchers do clinical trials to better understand its safety and how it…

Sponsor: Bayer
NCT ID: NCT06760819
Sites in Washington:
  • Gynecology Oncology clinic at UW Medical Center - Montlake — Seattle, Washington
Phase 1, Phase 2 Recruiting Industry

Safety and Efficacy of NEO212 in Patients With Astrocytoma IDH-mutant, Glioblastoma IDH-wildtype or Brain Metastasis

This multi-site, Phase 1/2 clinical trial is an open-label study to identify the safety, pharmacokinetics, and efficacy of a repeated dose regimen of NEO212 alone for the treatment of patients with radiographically-confirmed progression of…

Sponsor: Neonc Technologies, Inc.
NCT ID: NCT06047379
Sites in Washington:
  • Northwest Medical Specialties — Tacoma, Washington
Phase 1 Recruiting Industry

A Study of Sigvotatug Vedotin in Advanced Solid Tumors

This trial will look at a drug called sigvotatug vedotin (SGN-B6A) alone and with pembrolizumab, with or without chemotherapy, to find out whether it is safe for people who have solid tumors. It will study sigvotatug vedotin to find out wh…

Sponsor: Seagen, a wholly owned subsidiary of Pfizer
NCT ID: NCT04389632
Sites in Washington:
  • Northwest Medical Specialities. PLLC — Bonney Lake, Washington
  • Swedish Cancer Institute - Edmonds Campus — Edmonds, Washington
  • Swedish Cancer Institute Edmonds Campus — Edmonds, Washington
  • Northwest Medical Specialities.PLLC — Federal Way, Washington
  • Northwest Medical Specialities. PLLC — Gig Harbor, Washington
Phase 1 Recruiting Industry

TTX-080 HLA-G Antagonist in Subjects With Advanced Cancers

TTX-080-001 is a Phase 1, open label, dose escalation and dose expansion clinical study to determine the safety, tolerability, and recommended Phase 2 dose of TTX-080 monotherapy (HLA-G inhibitor) and in combination with either pembrolizum…

Sponsor: Tizona Therapeutics, Inc
NCT ID: NCT04485013
Sites in Washington:
  • Northwest Medical Specialties — Tacoma, Washington
  • Northwest Cancer Specialists — Vancouver, Washington
Phase 1 Recruiting Industry

A Phase 1/1b Study of IAM1363 in HER2 Cancers

This is a Phase 1/1b open-label, multi-center dose escalation and dose optimization study designed to evaluate the safety and preliminary efficacy of IAM1363 in participants with advanced cancers that harbor HER2 alterations.

Sponsor: Iambic Therapeutics, Inc
NCT ID: NCT06253871
Sites in Washington:
  • Fred Hutchinson Cancer Center — Seattle, Washington
Phase 1 Recruiting Industry

Study of SGR-1505 in Mature B-Cell Neoplasms

The purpose of this study is to evaluate safety and tolerability and to determine the maximum tolerated dose (MTD) or maximum administered dose (MAD) and/or recommended dose (RD) of SGR-1505.

Sponsor: Schrödinger, Inc.
NCT ID: NCT05544019
Sites in Washington:
  • Fred Hutchinson Cancer Center — Seattle, Washington
Phase 1 Recruiting Industry

A Study of ASP2138 Given by Itself or Given With Other Cancer Treatments in Adults With Stomach Cancer, Gastroesophageal Junction Cancer, or Pancreatic Cancer

Claudin 18.2 protein, or CLDN18.2 is a protein found on cells in the digestive system. It is also found on some tumors. Researchers are looking at ways to attack CLDN18.2 to help control tumors. ASP2138 is thought to bind to CLDN18.2 and a…

Sponsor: Astellas Pharma Global Development, Inc.
NCT ID: NCT05365581
Sites in Washington:
  • Virginia Mason Medical Center — Seattle, Washington
Phase 1 Recruiting Industry

A Phase 1, Dose-escalation Study of [225Ac]-FPI-2068 in Adult Patients With Advanced Solid Tumours

This is a first-in-human, Phase 1, non-randomized, multicenter, open-label clinical study designed to investigate the safety, tolerability, dosimetry, biodistribution, and pharmacokinetics (PK) of \[225Ac\]-FPI-2068, \[111In\]-FPI-2107, an…

Sponsor: AstraZeneca
NCT ID: NCT06147037
Sites in Washington:
  • Research Site — Seattle, Washington

Showing 25 of 34 trials with sites in Washington. See all stomach cancer trials →

Medical disclaimer: 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