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NCT07294170Recruiting

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

argenx

Start Date

12/19/2025

Completion Date

3/7/2028

Summary

ADAPT Forward is a platform study with the aim to look at how safe different drugs are and how well they work for people with myasthenia gravis. The goal is to find the best therapeutic approach to reduce patients' side effects and improve their quality of life.

Detailed Description

This is a platform study and is governed by a single master protocol that enables multiple regimens to be evaluated in separate intervention-specific appendixes (ISAs). The key design structure of the platform study comprises: common master protocol screening period, ISA-specific screening period, ISA treatment period of variable duration and design and ISA safety follow-up/follow-up period of variable duration. Details on each study period will be specified in the ISAs. Following ISAs are included in this platform study: * NCT07284420 - ADAPT Forward 1 - 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 (https://www.clinicaltrials.gov/study/NCT07284420) * NCT07673627 - Adapt Forward 2 - a Study to Evaluate the Safety, Tolerability and Efficacy of Empasiprubart IV Monotherapy in Participants With AChR-Ab Seropositive Generalized Myasthenia Gravis (https://clinicaltrials.gov/study/NCT07673627) More information can be found here: https://clinicaltrials.argenx.com/adaptforward

Eligibility Criteria

Age Range: 18 years to No maximum

Inclusion Criteria: * Is at least 18 years of age and the local legal age of consent for clinical studies * Has been diagnosed with MG with consistent clinical features per the investigator's clinical judgment * If receiving MG therapy, including nonsteroidal immunosuppressive drugs (NSIDs), corticosteroids, or acetylcholinesterase (AChE) inhibitors either in combination or alone, the participant should receive a stable dosage before master protocol screening Exclusion Criteria: * Known autoimmune disease or any medical condition other than the indication under study that would interfere with an accurate assessment of clinical symptoms of MG or puts the participant at undue risk * Is MGFA (Myasthenia Gravis Foundation of America) Class V

Interventions

BIOLOGICAL

Efgartigimod IV

BIOLOGICAL

Empasiprubart IV

OTHER

Placebo IV

BIOLOGICAL

Efgartigimod PH20 SC PFS

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Conditions

Myasthenia GravisMGgMGGeneralized Myasthenia GravisGeneralized Myasthenia Gravis (gMG)AChR-Ab Seropositive Generalized Myasthenia Gravis

Locations

Profound Research LLC - Carlsbad

Carlsbad, California 92011

United States

Visionary Investigators Network

Miami, Florida 33133

United States

Visionary Investigators Network

Miami, Florida 33180

United States

University of South Florida

Tampa, Florida 33620

United States

Erlanger Health System

Columbia, Maryland 21044

United States

Massachusetts General Hospital

Boston, Massachusetts 02114-2621

United States

Henry Ford Health System

Detroit, Michigan 48202-2608

United States

Dent Neurologic Institute - Amherst

Amherst, New York 14226

United States

Duke Early Phase Clinical Research Unit - PPDS

Durham, North Carolina 27710-0001

United States

Ohio State Martha Morehouse Outpatient Care

Columbus, Ohio 43221-3502

United States

Erlanger Health System

Chattanooga, Tennessee 37403-2136

United States

Erlanger Neuroscience Institute

Chattanooga, Tennessee 37403-2173

United States

National Neuromuscular Research Institute

Austin, Texas 78759

United States

University of Texas- San Antonio - Health Science Center - PPDS

San Antonio, Texas 78229

United States

UZ Leuven - PPDS

Leuven, 3000

Belgium

Charité - Universitätsmedizin Berlin

Berlin, 13353

Germany

Eginitio Hospital

Athens, 115 28

Greece

AHEPA University General Hospital of Thessaloniki

Thessaloniki, 546 36

Greece

ASST Papa Giovanni XXIII - Ospedale Papa Giovanni XXIII

Bergamo, Lombardy 24127

Italy

Fondazione IRCCS Istituto Neurologico Carlo Besta

Milan, Lombardy 20133

Italy

Fondazione IRCCS Istituto Neurologico Carlo Besta

Milan, 20133

Italy

AORN Antonio Cardarelli

Naples, 80131

Italy

IUHW Narita Hospital

Narita, 286-8520

Japan

MICS Centrum Medyczne Bydgoszcz

Bydgoszcz, Kuyavian-Pomeranian Voivodeship 85-065

Poland

Krakowska Akademia Neurologii Sp. z o.o.

Krakow, Lesser Poland Voivodeship 31-505

Poland

Centrum Medyczne Neurologia Slaska

Katowice, Silesian Voivodeship 40-689

Poland

Warszawski Uniwersytet Medyczny

Warsaw, 00-665

Poland

Hospital Regional Universitario de Malaga - Hospital General

Málaga, Malaga 340120

Spain

Hospital de La Santa Creu i Sant Pau

Barcelona, 8041

Spain