Not medical advice. This website is not medical advice, a diagnosis, a match to a trial, or a recommendation to join a study. Listings are plain-English rewrites of public ClinicalTrials.gov records. Whether a site is still enrolling, and whether you qualify, can only be confirmed by the study team and your clinician. Source registry: ClinicalTrials.gov. Editorial rules: methodology.
RecruitingPhase 3interventionalRules rewrite

Phase 3: testing zolbetuximab for Locally Advanced Unresectable Gastroesophageal Junction (GEJ) Adenocarcinoma or 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 and GEJ cancer when the cancer cells do not have a protein called HER2 (human epidermal growth factor receptor 2) on their surface (HER2-negative) but do have a protein called Claudin 18.2 (Claudin 18.2-positive).

Official registry: https://clinicaltrials.gov/study/NCT06901531 · Astellas Pharma Global Development, Inc. · enrollment listed as 500

What this phase means

Phase 3: this treatment already looked useful in smaller studies. Now it is tested in a large group, often against standard care or a dummy treatment, to see if it should be approved.

Phase labels are FDA/ICH categories applied to the registry Phase field. They are not a finding that this study succeeded.

What the registry says happens

If you join, the listed intervention(s) are zolbetuximab, Pembrolizumab, or Capecitabine. The registry lists allocation as randomized. 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.

They plan to enroll about 500 people at 252 sites. Taking part typically means taking a study drug (or dummy pill) plus check-ins.

Official title (unrewritten)

A Phase 3, Double-blind, Randomized Study of Zolbetuximab in Combination With Pembrolizumab and Chemotherapy (CAPOX or mFOLFOX6) in First-line Treatment of Locally Advanced Unresectable or Metastatic Gastric or Gastroesophageal Junction Adenocarcinoma in Participants Whose Tumors Are HER2-negative, Claudin (CLDN) 18.2-positive and Programmed Death-ligand 1 (PD-L1)-Positive

Interventions: zolbetuximab, Pembrolizumab, Capecitabine, Oxaliplatin, Folinic acid (leucovorin or local equivalent), 5-fluorouracil (5-FU), Placebo

Primary outcome (registry wording): Overall Survival (OS)

Who it is for (from inclusion criteria)

  • Ages 18 Years to any
  • Participant has histologically confirmed gastric or Gastroesophageal Junction (GEJ) adenocarcinoma
  • Participant has radiographically confirmed, locally advanced, unresectable or metastatic disease within 28 days prior to randomization
  • Participant has Eastern Cooperative Oncology Group Performance Status (ECOG) performance status 0 to 1
  • Participant has predicted life expectancy ≥ 12 weeks
  • Participant must be a candidate to receive mFOLFOX6 or CAPOX and pembrolizumab
  • Female participant is not pregnant and at least 1 of the following conditions apply:
  • Not a woman of child bearing potential (WOCBP)

Public study contact (from the registry)

Astellas Pharma Global Development Inc.

800-888-7704

astellas.registration@astellas.com

Published on ClinicalTrials.gov. Contact them as a possible participant. They decide eligibility.

Sites listed on ClinicalTrials.gov

252 listed

+ 214 sites outside the US on the same record

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FAQ about this NCT record

Is NCT06901531 still recruiting?

The sponsor posted status “Recruiting” on ClinicalTrials.gov at last ingest. Sites can pause independently. Confirm with the official record and the listed contact.

What phase is NCT06901531?

Phase 3. Phase labels are FDA/ICH categories applied to the registry Phase field. They are not a finding that this study succeeded.

Can PlainTrials tell me if I qualify for NCT06901531?

No. The inclusion and exclusion lists on this page are readable extracts of the public eligibility block. Only the study team can screen you.

How to read a ClinicalTrials.gov record · Questions to ask the coordinator · Glossary