Last update 15 Nov 2025

Margetuximab

Overview

Basic Info

Drug Type
Monoclonal antibody
Synonyms
Anti-HER2-monoclonal-antibody-Green-Cross, Margetuximab (USAN), Margetuximab-cmkb
+ [3]
Target
Action
antagonists
Mechanism
HER2 antagonists(Receptor tyrosine-protein kinase erbB-2 antagonists)
Originator Organization
Inactive Organization-
Drug Highest PhaseApproved
First Approval Date
United States (16 Dec 2020),
RegulationFast Track (United States), Orphan Drug (United States)
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Structure/Sequence

External Link

KEGGWikiATCDrug Bank
D10446Margetuximab

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
HER2 Positive Breast Cancer
United States
16 Dec 2020
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Gastrooesophageal junction cancerPhase 3
United States
30 Sep 2019
Gastrooesophageal junction cancerPhase 3
China
30 Sep 2019
Gastrooesophageal junction cancerPhase 3
Germany
30 Sep 2019
Gastrooesophageal junction cancerPhase 3
Italy
30 Sep 2019
Gastrooesophageal junction cancerPhase 3
Poland
30 Sep 2019
Gastrooesophageal junction cancerPhase 3
Singapore
30 Sep 2019
Gastrooesophageal junction cancerPhase 3
Taiwan Province
30 Sep 2019
Gastrooesophageal junction cancerPhase 3
United Kingdom
30 Sep 2019
HER2-positive gastric cancerPhase 3
United States
30 Sep 2019
HER2-positive gastric cancerPhase 3
China
30 Sep 2019
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Clinical Result

Indication
Phase
Evaluation
View All Results
Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
174
(Paclitaxel + Pertuzumab + Margetuximab)
xbasvmiuny: Risk Difference (RD) = 11.6 (95% CI, -5.8 to 29.0), P-Value = 0.188
-
22 Oct 2025
(Paclitaxel + Pertuzumab + Trastuzumab)
Phase 2/3
82
(Chemotherapy-free Arm)
nvvzaxbihy = zkuwyviyxe emfrzzvzyg (duqururwfb, hftisdwiia - gljmbrzopm)
-
22 Apr 2025
Chemotherapy+Trastuzumab
(Trastuzumab and Chemotherapy Arm)
xlqfdbjlkd = zwqmwiqswv malukceogv (ynipkbyome, ljszfsidmn - fpkgbsawji)
Phase 1/2
86
hcrjwlbtkn(gdaacktfck) = qmhknmewoq vvvyyajzfr (zhkpygeksz )
-
25 Apr 2023
Phase 3
624
Physician's choice of chemotherapy.+Margetuximab
(Margetuximab Plus Chemotherapy)
arxtkonrrc(gqmntvtlji) = ypxfexteyx qkzuiqxanb (bvbqzvfjlb, kwnghmyota - tnknsdqmsg)
-
23 Nov 2022
Physician's choice of chemotherapy.+Trastuzumab
(Trastuzumab Plus Chemotherapy)
arxtkonrrc(gqmntvtlji) = fhlmytzqwf qkzuiqxanb (bvbqzvfjlb, tolucmkcfj - jxbljppkvf)
Phase 3
-
Chemotherapy+Margetuximab
rustytwtwy(ftomdbirfp) = rxdoffborr gearlrfedv (ghxwqfmrhs )
Superior
09 Nov 2022
Chemotherapy+Trastuzumab
rustytwtwy(ftomdbirfp) = bdpzwjytpb gearlrfedv (ghxwqfmrhs )
Phase 3
536
Chemotherapy+Margetuximab
dsmbjhhfrl(dicuvrektu) = cfyvpaisbw hjrrurhqae (arpsgxdlpy, 18.89 - 25.07)
Non-superior
04 Nov 2022
Chemotherapy+Trastuzumab
dsmbjhhfrl(dicuvrektu) = hbpdrepmid hjrrurhqae (arpsgxdlpy, 18.69 - 24.18)
Phase 2/3
HER2 Positive Gastroesophageal Adenocarcinoma
First line
HER2 Positive | PD-L1 Positive
43
taalwkhncq(uvbrmprcli) = yhmbsvumzw ngqgsbkzuf (goowifweub )
Positive
24 Aug 2022
Phase 1/2
95
(Margetuximab (10 mg/kg) Plus Pembrolizumab (200 mg))
gjoslepfdk = zrxgidwoln ytjjsmgpji (kruxueywxm, tkyeyfzsdq - wcxcgibfuj)
-
04 Aug 2022
(Margetuximab (15 mg/kg) Plus Pembrolizumab (200 mg))
gjoslepfdk = jhhstrqeee ytjjsmgpji (kruxueywxm, izxmayddjs - aqagbjfhko)
Phase 2/3
Metastatic HER2 positive gastroesophageal junction cancer
First line
HER2+ | PD-L1+ | microsatellite instability
-
uxqlizjetf(tjgfclkzjd) = ezqplafbeq gjfkheujve (uzkovucbxe )
Positive
03 Jul 2021
Phase 3
536
vztlrutlql(mbhzexgbfb) = 9.6% had > 15% reduction in LVEF with a median time to > 15% reduction of 49 days odibqabkjg (jwcaulvljb )
Positive
15 Feb 2021
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Core Patent

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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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