Last update 06 Jun 2026

BTL-203

Overview

Basic Info

Drug Type
Bispecific antibody
Synonyms
BTL 203, BTL203
Target
FcRn
Action
antagonists
Mechanism
FcRn antagonists(IgG receptor FcRn large subunit p51 antagonists)
Therapeutic Areas
NeoplasmsImmune System DiseasesNervous System Diseases+ [1]
Active Indication
Myasthenia Gravis
Inactive Indication-
Originator Organization
Biotle Biotechnology (Hangzhou) Co., Ltd.
Active Organization
Biotle Biotechnology (Hangzhou) Co., Ltd.
Inactive Organization-
License Organization-
Drug Highest PhasePhase 1
First Approval Date-
Regulation-
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Related

1
Clinical Trials associated with BTL-203
CTR20262084
/ Not yet recruitingPhase 1
一项在健康试验参与者中评估BTL-203安全性、耐受性、药代动力学、药效学及免疫原性的随机、双盲、安慰剂对照I期临床研究
[Translation] A randomized, double-blind, placebo-controlled phase I clinical study evaluating the safety, tolerability, pharmacokinetics, pharmacodynamics, and immunogenicity of BTL-203 in healthy trial participants.
100 Clinical Results associated with BTL-203
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100 Translational Medicine associated with BTL-203
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100 Patents (Medical) associated with BTL-203
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100 Deals associated with BTL-203
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R&D Status

10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Myasthenia GravisIND Approval
China
Biotle Biotechnology (Hangzhou) Co., Ltd.
22 May 2026
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
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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.
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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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