Efgartigimod

Not yet reviewed: Listed from FDA or ClinicalTrials.gov records; an editor has not checked it yetListed from FDA or ClinicalTrials.gov records; an editor has not checked it yet.

Also known as PH20

ARGENX SE ARGX · Generalized Myasthenia Gravis; Graves Disease; Primary Immune Thrombocytopenia; gMG; Active Idiopathic Inflammatory Myopathy

Key figures

  • Next catalyst

    None scheduled

    Only dates with a source are listed

  • Phase

    Phase 3

    Not recorded

  • Linked trials

    14

    From ClinicalTrials.gov

  • Latest FDA action

    Approved

    BLA761195,

Recalls, shortages, patents and EU status at a glance

Key information

Indications
Generalized Myasthenia Gravis; Graves Disease; Primary Immune Thrombocytopenia; gMG; Active Idiopathic Inflammatory Myopathy Source: Conditions from ClinicalTrials.gov (opens in a new tab)
Designations
None recorded
Next catalyst
None scheduled

Development timeline

  1. Preclinical Completed
  2. Phase 1 Completed
  3. Phase 2 CompletedFirst trial start 26 Oct 20214 linked trials
  4. Phase 3 Current stageFirst trial start 2 Jun 202014 linked trials
  5. Filed Not yet
  6. Approved Not yetFirst approval 17 Dec 2021

Overview

Mechanism
Not recorded
Route
Not recorded
Modality
Not recorded
Specialties
Not recorded

Overview text is written by HealthTrade editors.

Key dates

No catalysts yet. Editors add each date together with its source.

FDA designations

No FDA designations are on record for Efgartigimod. Editors add each one with its source.

Filed application

No filed application is on record for Efgartigimod. Approvals are listed under FDA actions.

FDA advisory committees

No FDA advisory committee meetings are on record for Efgartigimod.

Clinical trials

Trials linked to Efgartigimod
TrialTitlePhaseStatusEnrollmentPrimary completionResults posted
NCT07570316ClinicalTrials.gov record for NCT07570316 (opens in a new tab)VitaliThyA Study to Assess Efficacy and Safety of Efgartigimod PH20 SC PFS in Adult Participants With Graves' DiseasePhase 3Recruiting230 (estimated)Jun 2028 (estimated) No
NCT07596849ClinicalTrials.gov record for NCT07596849 (opens in a new tab)VitaliThyA Study to Assess Efficacy and Safety of Efgartigimod PH20 SC PFS in Adult Participants With Graves' Disease.Phase 3Recruiting230 (estimated)Jun 2028 (estimated) No
NCT07194850ClinicalTrials.gov record for NCT07194850 (opens in a new tab)Advance JrA Study of Efgartigimod IV in Participants From 12 Years to Less Than 18 Years of Age With Chronic Immune Thrombocytopenia (ITP)Phase 2/3Recruiting24 (estimated)Oct 2028 (estimated) No
NCT06684847ClinicalTrials.gov record for NCT06684847 (opens in a new tab)UnityA Study of the Efficacy and Safety of Efgartigimod in Patients With Primary Sjögren's SyndromePhase 3Active, not recruiting631 (actual)Jul 2027 (estimated) No
NCT06544499ClinicalTrials.gov record for NCT06544499 (opens in a new tab)advance NEXTA Study to Assess the Efficacy and Safety of Efgartigimod IV in Adult Participants With Primary Immune ThrombocytopeniaPhase 3Recruiting69 (estimated)Jun 2028 (estimated) No
NCT06392386ClinicalTrials.gov record for NCT06392386 (opens in a new tab)ADAPT Jr SCA Study of Efgartigimod PH20 SC in Children Between 2 and Less Than 18 Years of Age With Generalized Myasthenia GravisPhase 2/3Recruiting12 (estimated)Sep 2027 (estimated) No
NCT06298552ClinicalTrials.gov record for NCT06298552 (opens in a new tab)ADAPT SERONA Phase 3 Study to Evaluate the Efficacy and Safety of Efgartigimod IV in Patients With Acetylcholine Receptor Binding Antibody Seronegative Generalized Myasthenia GravisPhase 3Active, not recruiting119 (actual)30 Jun 2025 (actual) Yes First posted Results on ClinicalTrials.gov for NCT06298552 (opens in a new tab)

Posted results on ClinicalTrials.gov for ADAPT SERON

Serious adverse events (Available data included for Part A (up to 8 weeks).): Efgartigimod IV 3 of 58; Placebo 1 of 61

Source: ClinicalTrials.gov results for NCT06298552 (opens in a new tab)· imported

Posted results as ClinicalTrials.gov prints them: primary outcome analyses and serious adverse event totals only. Registry facts, not reviewed by HealthTrade and not investment advice; filing-derived results are listed separately.

NCT05979441ClinicalTrials.gov record for NCT05979441 (opens in a new tab)ALKIVIA+A Study to Assess the Long-term Safety and Efficacy of a Subcutaneous Formulation of Efgartigimod in Adults With Active Idiopathic Inflammatory MyopathyPhase 3Enrolling by invitation240 (estimated)Sep 2028 (estimated) No
NCT05267600ClinicalTrials.gov record for NCT05267600 (opens in a new tab)BALLADA Phase 2/3 Study of Efgartigimod PH20 SC in Adult Participants With Bullous PemphigoidPhase 2/3Completed98 (actual)13 Sep 2024 (actual) Yes First posted Results on ClinicalTrials.gov for NCT05267600 (opens in a new tab)

Posted results on ClinicalTrials.gov for BALLAD

Serious adverse events (up to 46 weeks): Efgartigimod PH20 SC 12 of 50; Placebo PH20 SC 12 of 48

Source: ClinicalTrials.gov results for NCT05267600 (opens in a new tab)· imported

Posted results as ClinicalTrials.gov prints them: primary outcome analyses and serious adverse event totals only. Registry facts, not reviewed by HealthTrade and not investment advice; filing-derived results are listed separately.

NCT04980495ClinicalTrials.gov record for NCT04980495 (opens in a new tab)ADAPT NXTAn Open-label Study to Investigate the Clinical Efficacy of Different Dosing Regimens of Efgartigimod IV in Patients With Generalized Myasthenia GravisPhase 3Completed69 (actual)24 Aug 2023 (actual) Yes First posted Results on ClinicalTrials.gov for NCT04980495 (opens in a new tab)

Posted results on ClinicalTrials.gov for ADAPT NXT

Serious adverse events (Part A, up to week 21): Efgartigimod IV - Cyclic Regimen 1 of 17; Efgartigimod IV - Continuous Regimen 7 of 52

Source: ClinicalTrials.gov results for NCT04980495 (opens in a new tab)· imported

Posted results as ClinicalTrials.gov prints them: primary outcome analyses and serious adverse event totals only. Registry facts, not reviewed by HealthTrade and not investment advice; filing-derived results are listed separately.

NCT04812925ClinicalTrials.gov record for NCT04812925 (opens in a new tab)ADVANCE SC+A Phase 3 Study to Evaluate the Safety and Efficacy of Efgartigimod PH20 Subcutaneous in Adult Patients With Primary Immune ThrombocytopeniaPhase 3Active, not recruiting173 (actual)Oct 2027 (estimated) No
NCT04833894ClinicalTrials.gov record for NCT04833894 (opens in a new tab)ADAPT JrEvaluating the Pharmacokinetics, Pharmacodynamics, and Safety of Efgartigimod Administered Intravenously in Children With Generalized Myasthenia GravisPhase 2/3Active, not recruiting15 (actual)Mar 2027 (estimated) No
NCT04818671ClinicalTrials.gov record for NCT04818671 (opens in a new tab)ADAPTSC+Evaluating the Long-Term Safety and Tolerability of Efgartigimod PH20 SC Administered Subcutaneously in Patients With Generalized Myasthenia GravisPhase 3Completed184 (actual)31 Dec 2024 (actual) Yes First posted Results on ClinicalTrials.gov for NCT04818671 (opens in a new tab)

Posted results on ClinicalTrials.gov for ADAPTSC+

Serious adverse events (3.5 years): Efgartigimod PH20 SC 55 of 180

Source: ClinicalTrials.gov results for NCT04818671 (opens in a new tab)· imported

Posted results as ClinicalTrials.gov prints them: primary outcome analyses and serious adverse event totals only. Registry facts, not reviewed by HealthTrade and not investment advice; filing-derived results are listed separately.

Publications listing ADAPTSC+ (2), newest first

  1. Long-term safety, tolerability, and efficacy of subcutaneous efgartigimod PH20 in generalized myasthenia gravis: final results from a phase 3 open-label extension study (ADAPT-SC+).

    Frontiers in neurology · 2026

  2. Subcutaneous efgartigimod PH20 in generalized myasthenia gravis: A phase 3 randomized noninferiority study (ADAPT-SC) and interim analyses of a long-term open-label extension study (ADAPT-SC+).

    Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2024 Sep

Citations from PubMed, U.S. National Library of Medicine; abstracts are not stored. A publication lists this study’s NCT number and may be a review that cites many studies.

NCT04225156ClinicalTrials.gov record for NCT04225156 (opens in a new tab)ADVANCE+A Long-term Study to Assess the Safety and Efficacy of Efgartigimod in Adult Patients With Primary Immune Thrombocytopenia (ITP).Phase 3Completed101 (actual)11 Mar 2026 (actual) No

Source: ClinicalTrials.gov, U.S. National Library of Medicine. Posted results are shown as ClinicalTrials.gov prints them; results from company and journal sources are entered by editors and listed separately. Full result tables are on ClinicalTrials.gov.

Trial quality

About CT-VCA

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FDA actions

Original approvals and new-indication supplements for Efgartigimod, newest first
ApplicationActionDateOutcomeReviewSource
BLA761195Action letter for BLA761195 (opens in a new tab) Supplement 16 EfficacyApprovedpriorityDrugs@FDA via openFDA (opens in a new tab)
BLA761304Action letter for BLA761304 (opens in a new tab) Supplement 18 EfficacyApprovedpriorityDrugs@FDA via openFDA (opens in a new tab)
BLA761195Action letter for BLA761195 (opens in a new tab) Supplement 12 EfficacyApprovedstandardDrugs@FDA via openFDA (opens in a new tab)
BLA761304Action letter for BLA761304 (opens in a new tab) Supplement 10 EfficacyApprovedstandardDrugs@FDA via openFDA (opens in a new tab)
BLA761304Action letter for BLA761304 (opens in a new tab) Supplement 8 EfficacyApprovedstandardDrugs@FDA via openFDA (opens in a new tab)
BLA761195Action letter for BLA761195 (opens in a new tab) Supplement 4 EfficacyApprovedstandardDrugs@FDA via openFDA (opens in a new tab)
BLA761304Action letter for BLA761304 (opens in a new tab) Supplement 3 EfficacyApprovedstandardDrugs@FDA via openFDA (opens in a new tab)
BLA761304Action letter for BLA761304 (opens in a new tab) Supplement 5 EfficacyApprovedpriorityDrugs@FDA via openFDA (opens in a new tab)
BLA761304Action letter for BLA761304 (opens in a new tab) Original 1 UNKNOWNApprovedpriorityDrugs@FDA via openFDA (opens in a new tab)
BLA761195Action letter for BLA761195 (opens in a new tab) Original 1 Type 1 - New Molecular EntityApprovedstandardDrugs@FDA via openFDA (opens in a new tab)

Data provided by the U.S. Food and Drug Administration.

FDA recalls load here.

FDA drug shortages load here.

Orange Book patents load here.

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Community discussion loads here.

EU status (EMA)

EMA's medicines data lists no human medicine with the same active substance as Efgartigimod.

Source: European Medicines Agency (EMA), medicines data download.

Related news

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Sources

Record updated .

Dates come from company and FDA disclosures and can change. Nothing on this page is investment advice.