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ClinicalTrials.gov public records Last synced Oct 17, 2026, 6:13 PM EDT

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Showing 1–16 of 16 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: efgartigimod IV Clear all
Recruiting Phase 2 Interventional

A Study to Evaluate the Efficacy and Safety of Maintenance Ublituximab Following Induction With Efgartigimod Administration in Participants With Myasthenia Gravis (MG)

NCT07673744
View directory record Official record
Conditions
Myasthenia Gravis
Interventions
Ublituximab, Placebo
Drug
Lead sponsor
TG Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
6
States / cities
Colorado Springs, Colorado • Clearwater, Florida • Farmington Hills, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 17, 2026, 6:13 PM EDT
Recruiting No phase listed Observational

ADAPT Forward - Master Protocol of a Platform Study to Evaluate the Safety and Efficacy of Multiple Regimens in Participants With Myasthenia Gravis

NCT07294170
View directory record Official record
Conditions
Myasthenia Gravis, MG, gMG, Generalized Myasthenia Gravis, Generalized Myasthenia Gravis (gMG), AChR-Ab Seropositive Generalized Myasthenia Gravis
Interventions
Efgartigimod IV, Empasiprubart IV, Placebo IV, Efgartigimod PH20 SC PFS
Biological · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
15
States / cities
Carlsbad, California • Miami, Florida • Tampa, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 17, 2026, 6:13 PM EDT
Completed Phase 3 Interventional Results available

Evaluating the Pharmacodynamic Noninferiority of Efgartigimod PH20 SC Administered Subcutaneously as Compared to Efgartigimod Administered Intravenously in Patients With Generalized Myasthenia Gravis

NCT04735432
View directory record Official record
Conditions
Generalized Myasthenia Gravis
Interventions
efgartigimod PH20 SC, efgartigimod IV
Biological
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
14
States / cities
Carlsbad, California • Orange, California • Boca Raton, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2023 · Synced Oct 17, 2026, 6:13 PM EDT
Completed Phase 2 Interventional Results available

Efficacy and Safety Study of Efgartigimod in Adults With Post-COVID-19 POTS

NCT05633407
View directory record Official record
Conditions
Postural Orthostatic Tachycardia Syndrome
Interventions
Efgartigimod, Placebo
Drug
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
11
States / cities
La Jolla, California • Palo Alto, California • Glenview, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated May 23, 2025 · Synced Oct 17, 2026, 6:13 PM EDT
Recruiting Phase 4 Interventional

Treatment of Myasthenia Gravis Exacerbation or Crisis With Efgartigimod

NCT06860633
View directory record Official record
Conditions
Myasthenia Gravis Crisis, Myasthenia Gravis Exacerbations, AChR Myasthenia Gravis
Interventions
Efgartigimod
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 11, 2025 · Synced Oct 17, 2026, 6:13 PM EDT
Recruiting No phase listed Observational

A Worldwide Pregnancy Safety Study to Assess Maternal, Fetal, and Infant Outcomes Following Exposure to Efgartigimod During Pregnancy and/or Breastfeeding.

NCT06299748
View directory record Official record
Conditions
Myasthenia Gravis, CIDP - Chronic Inflammatory Demyelinating Polyneuropathy
Interventions
Efgartigimod
Biological
Lead sponsor
argenx
Industry
Eligibility
Female only
Enrollment
279 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2033
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 17, 2026, 6:13 PM EDT
Active, not recruiting Phase 3 Interventional Results available

A Phase 3 Study to Evaluate the Efficacy and Safety of Efgartigimod IV in Patients With Acetylcholine Receptor Binding Antibody Seronegative Generalized Myasthenia Gravis

NCT06298552
View directory record Official record
Conditions
Generalized Myasthenia Gravis, gMG, Myasthenia Gravis, Generalized, Myasthenia Gravis
Interventions
Efgartigimod IV, Placebo IV
Biological · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
19
States / cities
Scottsdale, Arizona • Fresno, California • Boca Raton, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Oct 17, 2026, 6:13 PM EDT
Recruiting Phase 2 Interventional

ADAPT Forward 1 - ISA1 - a Study to Evaluate Empasiprubart IV as add-on Therapy to Efgartigimod IV in Participants With AChR-Ab Seropositive Generalized Myasthenia Gravis With a Partial Clinical Response to Efgartigimod

NCT07284420
View directory record Official record
Conditions
AChR-Ab Seropositive Generalized Myasthenia Gravis, Myasthenia Gravis, MG, gMG, Generalized Myasthenia Gravis, Generalized Myasthenia Gravis (gMG)
Interventions
Efgartigimod IV, Empasiprubart IV
Biological
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
14
States / cities
Carlsbad, California • Miami, Florida • Tampa, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 17, 2026, 6:13 PM EDT
Recruiting Phase 3 Interventional

Comparative Efficacy of Nipocalimab and Efgartigimod in Participants With Generalized Myasthenia Gravis

NCT07217587
View directory record Official record
Conditions
Myasthenia Gravis
Interventions
Nipocalimab, Efgartigimod
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 74 Years
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
16
States / cities
Fullerton, California • Pomona, California • Fort Collins, Colorado + 13 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 17, 2026, 6:13 PM EDT
Terminated Phase 2 Interventional Results available

Open Label Extension of Efgartigimod in Adults With Post-COVID-19 POTS

NCT05918978
View directory record Official record
Conditions
Post-COVID Postural Orthostatic Tachycardia Syndrome Postural Orthostatic Tachycardia Syndrome
Interventions
Efgartigimod
Drug
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
9
States / cities
La Jolla, California • Palo Alto, California • Glenview, Illinois + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2025 · Synced Oct 17, 2026, 6:13 PM EDT
Recruiting Phase 3 Interventional

A Study to Assess the Efficacy and Safety of Efgartigimod IV in Adult Participants With Primary Immune Thrombocytopenia

NCT06544499
View directory record Official record
Conditions
Primary Immune Thrombocytopenia (ITP)
Interventions
Efgartigimod IV, Placebo IV
Biological · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
18
States / cities
Phoenix, Arizona • Los Angeles, California • Oceanside, California + 15 more
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 17, 2026, 6:13 PM EDT
Not yet recruiting Phase 1Phase 2 Interventional

Targeting Collagen VII Antibodies in Bullous Diseases Using Efgartigimod IV (VYVGART)

NCT07011589
View directory record Official record
Conditions
Epidermolysis Bullosa (EB), Epidermolysis Bullosa Acquisita, Recessive Dystrophic Epidermolysis Bullosa, Dystrophic Epidermolysis Bullosa
Interventions
Efgartigimod
Biological
Lead sponsor
M. Peter Marinkovich
Other
Eligibility
12 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 17, 2026, 6:13 PM EDT
Completed Phase 3 Interventional Results available

An Open-label Study to Investigate the Clinical Efficacy of Different Dosing Regimens of Efgartigimod IV in Patients With Generalized Myasthenia Gravis

NCT04980495
View directory record Official record
Conditions
Generalized Myasthenia Gravis, MG - Myasthenia Gravis, gMG
Interventions
Efgartigimod IV
Biological
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
12
States / cities
Carlsbad, California • Orange, California • Boca Raton, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Oct 17, 2026, 6:13 PM EDT
Recruiting Phase 2 Interventional

ADAPT Forward 2 - ISA2 - a Study to Evaluate the Safety, Tolerability and Efficacy of Empasiprubart IV Monotherapy in Participants With AChR-Ab Seropositive Generalized Myasthenia Gravis

NCT07673627
View directory record Official record
Conditions
AChR-Ab Seropositive Generalized Myasthenia Gravis, Myasthenia Gravis (MG), MG - Myasthenia Gravis, gMG
Interventions
Empasiprubart IV, Placebo IV, Efgartigimod PH20 SC PFS
Biological · Other · Combination Product
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
6
States / cities
Carlsbad, California • Miami, Florida • Las Vegas, Nevada + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 17, 2026, 6:13 PM EDT
Enrolling by invitation Phase 2Phase 3 Interventional

Evaluating Long-term Safety of Efgartigimod Administered Intravenously and Efgartigimod PH20 Administered Subcutaneously in Children With Generalized Myasthenia Gravis

NCT05374590
View directory record Official record
Conditions
Generalized Myasthenia Gravis, gMG
Interventions
Efgartigimod IV or Efgartigimod PH20 SC
Biological
Lead sponsor
argenx
Industry
Eligibility
2 Years to 18 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
3
States / cities
Chicago, Illinois • Charlotte, North Carolina • Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Oct 17, 2026, 6:13 PM EDT
Recruiting Phase 2Phase 3 Interventional

Evaluating the Pharmacokinetics, Pharmacodynamics, and Safety of Efgartigimod Administered Intravenously in Children With Generalized Myasthenia Gravis

NCT04833894
View directory record Official record
Conditions
Generalized Myasthenia Gravis
Interventions
Efgartigimod IV
Biological
Lead sponsor
argenx
Industry
Eligibility
2 Years to 18 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
3
States / cities
Chicago, Illinois • Chapel Hill, North Carolina • Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Oct 17, 2026, 6:13 PM EDT