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VYLOY (ZOLBETUXIMAB-CLZB)

ASTELLAS · FDA-approved approved ✓ Verified May 2026 Quality 6/100

VYLOY (generic name: ZOLBETUXIMAB-CLZB) is a Claudin 18.2-directed Cytolytic Antibody [EPC] drug developed by ASTELLAS. It is currently FDA-approved.

VYLOY is a treatment that combines zolbetuximab, pembrolizumab, and capecitabine for patients with certain types of stomach cancer, including locally advanced unresectable and metastatic gastric adenocarcinoma and gastroesophageal junction (GEJ) adenocarcinoma. This combination treatment is being studied in clinical trials, including NCT06901531, for its potential to improve outcomes in these patients.

At a glance

Generic nameZOLBETUXIMAB-CLZB
SponsorASTELLAS
Drug classClaudin 18.2-directed Cytolytic Antibody [EPC]
Therapeutic areaOther
PhaseFDA-approved

Approved indications

No approved indications tracked.

Common side effects

Serious adverse events

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

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Frequently asked questions about VYLOY

What is VYLOY?

VYLOY (ZOLBETUXIMAB-CLZB) is a Claudin 18.2-directed Cytolytic Antibody [EPC] drug developed by ASTELLAS.

Who makes VYLOY?

VYLOY is developed and marketed by ASTELLAS (see full ASTELLAS pipeline at /company/astellas).

What is the generic name of VYLOY?

ZOLBETUXIMAB-CLZB is the generic (nonproprietary) name of VYLOY.

What drug class is VYLOY in?

VYLOY belongs to the Claudin 18.2-directed Cytolytic Antibody [EPC] class. See all Claudin 18.2-directed Cytolytic Antibody [EPC] drugs at /class/claudin-18-2-directed-cytolytic-antibody-epc.

What development phase is VYLOY in?

VYLOY is FDA-approved (marketed).

What are the side effects of VYLOY?

Common side effects of VYLOY include Nausea, Vomiting, Fatigue, Decreased appetite, Diarrhea, Peripheral sensory neuropathy. Serious adverse events: Vomiting, Nausea, Intestinal obstruction, Neutropenia.

Related

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing