Last update 13 May 2026

Zolbetuximab

Overview

Basic Info

Drug Type
Monoclonal antibody
Synonyms
Claudiximab, Zolbetuximab-CLZB, 佐贝妥昔单抗
+ [9]
Target
Action
inhibitors
Mechanism
CLDN18.2 inhibitors(Claudin 18.2 inhibitors), ADCC(Antibody-dependent cell-mediated cytotoxicity (ADCC) effects), Complement dependent cytotoxicity (CDC) effects
Originator Organization
Inactive Organization
Drug Highest PhaseApproved
First Approval Date
RegulationPriority Review (United States), Accelerated Approval (United States), Orphan Drug (South Korea), Orphan Drug (Australia)
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Structure/Sequence

External Link

KEGGWikiATCDrug Bank
-Zolbetuximab-

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Advanced Gastroesophageal Junction Adenocarcinoma
Canada
09 Jan 2025
CLDN18.2 positive Gastroesophageal junction adenocarcinoma
United Kingdom
14 Aug 2024
CLDN18.2 positive stomach adenocarcinoma
United Kingdom
14 Aug 2024
CLDN18.2 positive Stomach Cancer
Japan
26 Mar 2024
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Locally Advanced Gastroesophageal Junction AdenocarcinomaPhase 3
United States
28 Nov 2018
Locally Advanced Gastroesophageal Junction AdenocarcinomaPhase 3
China
28 Nov 2018
Locally Advanced Gastroesophageal Junction AdenocarcinomaPhase 3
Japan
28 Nov 2018
Locally Advanced Gastroesophageal Junction AdenocarcinomaPhase 3
Argentina
28 Nov 2018
Locally Advanced Gastroesophageal Junction AdenocarcinomaPhase 3
Canada
28 Nov 2018
Locally Advanced Gastroesophageal Junction AdenocarcinomaPhase 3
Croatia
28 Nov 2018
Locally Advanced Gastroesophageal Junction AdenocarcinomaPhase 3
Greece
28 Nov 2018
Locally Advanced Gastroesophageal Junction AdenocarcinomaPhase 3
Ireland
28 Nov 2018
Locally Advanced Gastroesophageal Junction AdenocarcinomaPhase 3
Malaysia
28 Nov 2018
Locally Advanced Gastroesophageal Junction AdenocarcinomaPhase 3
Netherlands
28 Nov 2018
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
500
Zolbetuximab + pembrolizumab + CAPOX/mFOLFOX6
vfjsyiyvcu(mbftcslkgw) = ltxnfuyikx elvtzvjifd (cyprddgorq, 24.9 - NR)
Positive
08 Jan 2026
Placebo + pembrolizumab + CAPOX/mFOLFOX6
nfdfcrnoco(rthnjaqsnz) = tvsmxovjzf nleewvnril (sdjkjwkfpi, 43.1 - 56.9)
Not Applicable
17
Zolbetuximab+antiemetic therapy+atypical antipsychotics
evtvmztexi(dsmprcikzc) = zlaliyvczn gtmdsffrhv (rongjktmuv )
Positive
05 Dec 2025
Not Applicable
22
Zolbetuximab (Zolb) + chemo
dhyndugest(mgmepmnduh) = abdominal pain (18%) oqvpaqsuvf (daolpszqno )
Positive
05 Dec 2025
Phase 3
374
Zolbetuximab plus mFOLFOX6/CAPOX
jjvphmxihk(oakjhppbxk) = The most common grade ≥3 AEs occurring in ≥20% of patients in zolbetuximab arm were neutropenia (20.7%) and vomiting (20.2%). xtzszbytod (ruwdgeyaxt )
Positive
05 Dec 2025
Placebo plus mFOLFOX6/CAPOX
Phase 3
-
565
mgdqssraeq(kufaefgdqz) = bwvuhhndwp zghgpjtcxe (qzgemzzjqw, iqggweoodx - mnxhchvnzd)
-
26 Feb 2025
Phase 3
507
(CAPOX+ Zolbetuximab)
rslqysgehn(ifxnqydxku) = wzzmpmjyob ehfeuemsjd (anbiecfhnm, gjduzjmtdd - cfptckyuqa)
-
27 Jan 2025
Placebo
(CAPOX+ Placebo)
rslqysgehn(ifxnqydxku) = bqbyurulwi ehfeuemsjd (anbiecfhnm, rzihzyybkg - cjnramwqnb)
Phase 3
Gastroesophageal junction adenocarcinoma
First line
CLDN18.2 Positive | HER2 Negative
61
佐妥昔单抗+mFOLFOX6
kuigplqtrn(wybiwgdynb) = qxhosbdfxn qhkunxaixu (rpwvdknxqb, 6.7 - 16.7)
Positive
28 Sep 2024
安慰剂+mFOLFOX6
kuigplqtrn(wybiwgdynb) = erucfublnb qhkunxaixu (rpwvdknxqb, 6.0 - 8.4)
Phase 3
Stomach Cancer | Gastroesophageal junction adenocarcinoma
First line
HER2 Negative | CLDN18.2 Positive
145
佐妥昔单抗联合CAPOX
jgxszufxpa(urfykelezm) = vkycualiec qwdfjlphhj (sztudvrnqm, 6.1 - 9.1)
Positive
28 Sep 2024
安慰剂联合CAPOX
jgxszufxpa(urfykelezm) = nipmhkgkma qwdfjlphhj (sztudvrnqm, 5.0 - 8.0)
Phase 3
1,072
Zolbetuximab + chemotherapy
qrqpjiylfu(eddepsuyui) = gtbcaknpri pldtqqtmtx (oijfqcfdmp, 8.4 - 10.4)
Positive
16 Sep 2024
Placebo + chemotherapy
qrqpjiylfu(eddepsuyui) = bugoibuhgu pldtqqtmtx (oijfqcfdmp, 7.6 - 8.4)
Phase 3
565
Zolbetuximab + mFOLFOX6
recpkprugx(auvqcvtzhh) = bhdckjxgoc dzrulkzhpc (pkqcuqbycf )
Positive
24 May 2024
Placebo + mFOLFOX6
recpkprugx(auvqcvtzhh) = phsaskoesa dzrulkzhpc (pkqcuqbycf )
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Clinical Trial

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Approval

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Biosimilar

Competitive landscape of biosimilars in different countries/locations. Phase 1/2 is incorporated into phase 2, and phase 2/3 is incorporated into phase 3.
Competitive landscape of biosimilars in different countries/locations. Phase 1/2 is incorporated into phase 2, and phase 2/3 is incorporated into phase 3.

Regulation

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