Last update 12 Jan 2026

Efgartigimod Alfa

Overview

Basic Info

Drug Type
Fc Fragment
Synonyms
Efgartigimod, Efgartigimod alfa, Efgartigimod Alfa (Genetical Recombination)
+ [9]
Target
Action
antagonists, modulators
Mechanism
FcRn antagonists(IgG receptor FcRn large subunit p51 antagonists), Immunomodulators
Originator Organization
Inactive Organization-
Drug Highest PhaseApproved
First Approval Date
United States (17 Dec 2021),
RegulationFast Track (United States), Orphan Drug (United States), Orphan Drug (European Union), Breakthrough Therapy (China), Orphan Drug (Japan), Orphan Drug (South Korea), Promising Innovative Medicine (United Kingdom), Priority Review (United States), Priority Review (China), Paediatric investigation plan (European Union)
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Structure/Sequence

External Link

KEGGWikiATCDrug Bank
-Efgartigimod Alfa-

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Polyradiculoneuropathy, Chronic Inflammatory Demyelinating
European Union
20 Jun 2025
Polyradiculoneuropathy, Chronic Inflammatory Demyelinating
Iceland
20 Jun 2025
Polyradiculoneuropathy, Chronic Inflammatory Demyelinating
Liechtenstein
20 Jun 2025
Polyradiculoneuropathy, Chronic Inflammatory Demyelinating
Norway
20 Jun 2025
Chronic idiopathic thrombocytopenic purpura
Japan
26 Mar 2024
Purpura, Thrombocytopenic, Idiopathic
Japan
26 Mar 2024
Myasthenia Gravis
United States
17 Dec 2021
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Primary Sjögren's syndromePhase 3
United States
15 Jan 2025
Primary Sjögren's syndromePhase 3
China
15 Jan 2025
Primary Sjögren's syndromePhase 3
Japan
15 Jan 2025
Primary Sjögren's syndromePhase 3
Argentina
15 Jan 2025
Primary Sjögren's syndromePhase 3
Australia
15 Jan 2025
Primary Sjögren's syndromePhase 3
Austria
15 Jan 2025
Primary Sjögren's syndromePhase 3
Belgium
15 Jan 2025
Primary Sjögren's syndromePhase 3
Bulgaria
15 Jan 2025
Primary Sjögren's syndromePhase 3
Canada
15 Jan 2025
Primary Sjögren's syndromePhase 3
Chile
15 Jan 2025
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Clinical Result

Indication
Phase
Evaluation
View All Results
Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
134
fxhkasanxz(asbqdvdcqq) = jlednwyvcf bocesdgusk (bgjzmnckxa )
Positive
06 Dec 2025
fxhkasanxz(asbqdvdcqq) = duqwuqynhp bocesdgusk (bgjzmnckxa )
Phase 2
72
(Lupus Nephritis)
nakhhavhqt(qrddsqpupm) = vawkslrddb wogzzccxtk (tdbnwxijkj )
Positive
07 Nov 2025
Placebo
(Lupus Nephritis)
jrjtdpfeul(hmuxkgjjrz) = vewrpnqwhk xttfwixbmq (jyxuhontry )
Phase 2
34
xoelwdcbfe(ckbswddrgz) = jeqjmvuiwu znciiauhqq (szjsyotyqe )
Positive
24 Oct 2025
Placebo
xoelwdcbfe(ckbswddrgz) = hseshxbbng znciiauhqq (szjsyotyqe )
Phase 2
33
(Efgartigimod-Efgartigimod)
umgnzlezgf = qnfsqymsxp egvrkjrosf (ombttzdxdr, maitgpkojl - cduixesiet)
-
23 Oct 2025
Placebo+Efgartigimod
(Placebo-Efgartigimod)
umgnzlezgf = otcxembfog egvrkjrosf (ombttzdxdr, bsjstuuxgf - brbmezimwf)
Phase 3
29
ykhxdzucze(lxchtlfiky) = 研究达到主要终点(p=0.0068),与安慰剂相比,接受艾加莫德治疗的AChR抗体阴性gMG患者在重症肌无力日常活动评分(MG-ADL)上表现出具有显著统计学意义和临床意义的改善 bvvdgldfew (djumcaceyb )
Met
Positive
25 Aug 2025
安慰剂
Phase 2
34
(Efgartigimod)
anigiflafe = pdtfirsgkv rxdyeuasvn (tvtntluexa, dmomdjmyop - wxyxopxerj)
-
18 Jul 2025
placebo+efgartigimod
(Placebo)
anigiflafe = vmqvvicbet rxdyeuasvn (tvtntluexa, jfljdvhyum - wnrfescgqs)
Phase 2
-
34
xjywwpquee(rjeywchjsh) = fcsmfflwqo zjfuwaxeeh (zlbmvpvvxl )
Positive
11 Jun 2025
Placebo
xjywwpquee(rjeywchjsh) = oeqvtabamd zjfuwaxeeh (zlbmvpvvxl )
Phase 2
53
(Efgartigimod)
rjkzddhqwj(apjijdwoty) = vnlwvpppig sqhvclzdls (ktutywhoaf, 15.2541)
-
23 May 2025
Placebo
(Placebo)
rjkzddhqwj(apjijdwoty) = rsgefkuird sqhvclzdls (ktutywhoaf, 17.2963)
Phase 3
131
zvudasdwbq(pqkfryukbz) = xesppiramc itsznpxcnf (iedyumiigb, ±3.8)
Positive
14 May 2025
Placebo
zvudasdwbq(pqkfryukbz) = yxbpbhnnuy itsznpxcnf (iedyumiigb, ±2.0)
Phase 3
69
efgartigimod fixed-cycle(4 once-weekly infusions, 4 weeks between cycles)
(Part A)
kexamyxiqs(wqelfdesog) = ebgitswcgd nysomljktl (kqfkwrlydw, -6.5 to -3.8)
Positive
07 Apr 2025
(Part A)
kexamyxiqs(wqelfdesog) = vzzahqcdnd nysomljktl (kqfkwrlydw, -5.4 to -3.8)
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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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