Last update 23 Oct 2025

JSKN033

Overview

Basic Info

Drug Type
Nanobody, Antibody drug conjugate (ADC)
Synonyms
JSKN003/Envafolimab, JSKN 033, JSKN003/KN035
+ [1]
Action
antagonists, inhibitors
Mechanism
HER2 antagonists(Receptor tyrosine-protein kinase erbB-2 antagonists), PDL1 inhibitors(Programmed death-ligand 1 inhibitors), TOP1 inhibitors(DNA topoisomerase I inhibitors)
Inactive Indication
Inactive Organization-
License Organization-
Drug Highest PhasePhase 2
First Approval Date-
Regulation-
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Structure/Sequence

Molecular FormulaC38H43N9O8
InChIKeyQODRVHFOPFCZOM-IUDBTDONSA-N
CAS Registry-
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R&D Status

10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Advanced Lung Non-Small Cell CarcinomaPhase 2
China
23 Sep 2025
HER2 Positive Solid TumorsPhase 2
Australia
26 Mar 2024
Gastrointestinal NeoplasmsPhase 2
Australia
18 Jan 2024
Metastatic Solid TumorPhase 2
Australia
18 Jan 2024
Non-Small Cell Lung CancerPhase 2
Australia
18 Jan 2024
Advanced cancerPhase 1
China
08 Jan 2025
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 1/2
10
tgttpqllju(pfgjwcdbxx) = The most common was mild to moderate injection site reactions (Grade 1–2). lntszyfvwq (mqdztdtein )
Positive
05 Nov 2024
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Translational Medicine

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Deal

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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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