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Study identifier: NCT06902545 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

A Study to Observe the Safety of VYLOY (Zolbetuximab) in People in South Korea With Gastric or Gastroesophageal Junction Cancer.

Condition: Locally Advanced Unresectable Gastric Adenocarcinoma or Cancer · Metastatic Gastric Adenocarcinoma or Cancer  ·  Sponsor: Astellas Pharma Korea, Inc.

PhaseN/A
Planned participants377
Who can joinAll sexes, N/A to no upper limit
Healthy volunteersNo

About this study

This study is for people in South Korea who have cancer in or around the stomach (gastric cancer) or cancer where the food pipe (esophagus) joins the stomach, called gastroesophageal junction (GEJ) cancer. Their cancer is locally advanced, unresectable, or metastatic. Locally advanced means the cancer has spread to tissue close by. Unresectable means the cancer cannot be removed by surgery. Metastatic means the cancer has spread to other parts of the body. In South Korea, VYLOY is approved for the treatment of gastric cancer or GEJ cancer. The people in this study will receive VYLOY as part of their usual treatment for their cancer. In standard clinical practice VYLOY is given to people slowly through a tube into a vein. The main aim of the study is to collect information in a real-world setting about the safety of VYLOY in people with gastric cancer or GEJ cancer in clinics in South Korea. This study will also help researchers learn how long people's gastric cancer or GEJ cancer stays stable. This study is about collecting information only. This is known as an observational study. The individual's doctor decides on treatment, not the sponsor (Astellas). The study will last about 1 year (54 weeks).

This description comes directly from the study's public registry record.

Talk to the study team

Astellas Pharma Global Development, Inc.  ·  800-888-7704  ·  astellas.registration@astellas.com

Always discuss trial participation with your own doctor first.

Locations (13)

KR82010Goyang-si, Gyeonggi-do, South KoreaRecruiting
KR82008Suwon, Gyeonggi-do, South KoreaRecruiting
KR82009Suwon, Gyeonggi-do, South KoreaRecruiting
KR82006Yangsan, Gyeongsangnam-do, South KoreaRecruiting
KR82012Hwasun Gun, Jeollanam-do, South KoreaRecruiting
KR82001Seoul, South KoreaRecruiting
KR82002Seoul, South KoreaRecruiting
KR82003Seoul, South KoreaRecruiting
KR82004Seoul, South KoreaRecruiting
KR82005Seoul, South KoreaRecruiting
KR82007Seoul, South KoreaRecruiting
KR82011Seoul, South KoreaRecruiting

+ 1 more locations — full list on the registry record.

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Source record: clinicaltrials.gov/study/NCT06902545