Clinical trial Recruiting at 88 sites Phase 3 Interventional Ages 18 to 80

IMVT-1402 for adults with mild to severe generalized myasthenia gravis.

Official title: A Phase 3, Multicenter, Randomized, Placebo-Controlled, Double-Blind Study to Assess the Efficacy and Safety of IMVT-1402 in Patients With Mild to Severe Generalized Myasthenia Gravis

Run by Immunovant Sciences GmbH · NCT07039916 · Data updated 2026-11-12

This trial will test whether IMVT-1402 helps adults with mild to severe generalized myasthenia gravis improve symptoms and daily function compared with placebo.

More Generalized Myasthenia Gravis trials

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years to 80 Years
SexAll
Enrollment231 (estimated)
SponsorImmunovant Sciences GmbH
Industry-sponsored
Locations88 sites (Huntsville, Alabama and 87 other locations)
StatusRecruiting
StartedMay 27, 2025
Main results expectedDecember 2027
Study endsDecember 2028
Registry record updatedJuly 30, 2026
Trial IDNCT07039916 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults with generalized myasthenia gravis classified as MGFA class II–IVa who have an MG-ADL score of at least 6, can give informed consent, and meet other protocol criteria are the intended participants.

Probably not a fit

Patients who recently experienced a myasthenic crisis, had a thymectomy within 6 months, have active or untreated thymoma, or who do not meet the MGFA class or MG-ADL thresholds are unlikely to be eligible or to receive benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This Phase 3 interventional study enrolls adults with generalized myasthenia gravis (MGFA class II–IVa) who have meaningful symptoms (MG-ADL ≥6) to compare IMVT-1402 with placebo. Participants will receive IMVT-1402 or placebo and be followed over a treatment and safety monitoring period to track symptom changes, tolerability, and adverse events. Key exclusion criteria include recent myasthenic crisis, thymectomy within the past 6 months, and active or untreated thymoma. The trial aims to show whether IMVT-1402 improves daily functioning while maintaining an acceptable safety profile.

Why it matters

Potential benefit: If successful, IMVT-1402 could reduce symptoms and improve daily functioning for adults with generalized myasthenia gravis who meet the entry criteria.

How similar studies have gone: Other antibody-directed and FcRn-targeting approaches for gMG have shown benefit in prior trials, so the general strategy has supporting evidence, although IMVT-1402 itself is being specifically tested in this Phase 3 trial.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Participants with the ability to understand the requirements of the trial, provide written informed consent, and comply with the trial protocol procedures.
* Have mild to severe gMG by Myasthenia Gravis Foundation of America (MGFA) classification of Class II, III, or IVa at the Screening Visit
* Have an MG activities of daily living (MG-ADL) score of ≥ 6 at the Screening Visit and Baseline Visit (Day 1)

Additional inclusion criteria are defined in the protocol.

Exclusion Criteria:

* Have experienced myasthenic crisis within 12 weeks prior to the Screening Visit.
* Have had a thymectomy performed \< 6 months prior to the Screening Visit or have a planned thymectomy during the study
* Have any active or untreated malignant thymoma

Additional exclusion criteria are defined in the protocol.

Where it's running

  • Site Number - 1056
    Huntsville, Alabama, United States
    Recruiting
  • Site Number - 1041
    Mobile, Alabama, United States
    Recruiting
  • Site Number - 1017
    Phoenix, Arizona, United States
    Recruiting
  • Site Number - 1025
    Scottsdale, Arizona, United States
    Recruiting
  • Site Number - 1042
    Tucson, Arizona, United States
    Recruiting
  • Site Number - 1010
    Carlsbad, California, United States
    Recruiting
Show 44 more locations
  • Site Number - 1028
    Irvine, California, United States
    Recruiting
  • Site Number - 1023
    Los Angeles, California, United States
    Recruiting
  • Site Number - 1029
    Rancho Mirage, California, United States
    Recruiting
  • Site Number - 1004
    San Francisco, California, United States
    Recruiting
  • Site Number - 1027
    Fort Collins, Colorado, United States
    Recruiting
  • Site Number - 1001
    New Haven, Connecticut, United States
    Recruiting
  • Site Number - 1024
    Washington D.C., District of Columbia, United States
    Recruiting
  • Site Number - 1006
    Clearwater, Florida, United States
    Recruiting
  • Site Number - 1037
    Ormond Beach, Florida, United States
    Recruiting
  • Site Number - 1002
    Port Charlotte, Florida, United States
    Recruiting
  • Site Number - 1050
    Rockledge, Florida, United States
    Recruiting
  • Site Number - 1007
    Tampa, Florida, United States
    Recruiting
  • Site Number - 1014
    Atlanta, Georgia, United States
    Recruiting
  • Site Number - 1043
    Augusta, Georgia, United States
    Recruiting
  • Site Number - 1054
    Schaumburg, Illinois, United States
    Recruiting
  • Site Number - 1022
    Lexington, Kentucky, United States
    Recruiting
  • Site Number - 1032
    Nicholasville, Kentucky, United States
    Recruiting
  • Site Number - 1046
    New Orleans, Louisiana, United States
    Recruiting
  • Site Number - 1049
    Foxborough, Massachusetts, United States
    Recruiting
  • Site Number - 1026
    Detroit, Michigan, United States
    Recruiting
  • Site Number - 1005
    East Lansing, Michigan, United States
    Recruiting
  • Site Number - 1018
    Omaha, Nebraska, United States
    Recruiting
  • Site Number - 1019
    Totowa, New Jersey, United States
    Recruiting
  • Site Number - 1036
    New York, New York, United States
    Recruiting
  • Site Number - 1034
    New York, New York, United States
    Recruiting
  • Site Number - 1020
    Chapel Hill, North Carolina, United States
    Recruiting
  • Site Number - 1013
    Durham, North Carolina, United States
    Recruiting
  • Site Number - 1044
    Raleigh, North Carolina, United States
    Recruiting
  • Site Number - 1038
    Cincinnati, Ohio, United States
    Recruiting
  • Site Number - 1045
    Oklahoma City, Oklahoma, United States
    Recruiting
  • Site Number - 1011
    Yukon, Oklahoma, United States
    Recruiting
  • Site Number - 1031
    Eugene, Oregon, United States
    Recruiting
  • Site Number - 1030
    Charleston, South Carolina, United States
    Recruiting
  • Site Number - 1015
    Charleston, South Carolina, United States
    Recruiting
  • Site Number - 1021
    Memphis, Tennessee, United States
    Recruiting
  • Site Number - 1003
    Dallas, Texas, United States
    Recruiting
  • Site Number - 1047
    Denton, Texas, United States
    Recruiting
  • Site Number - 1057
    Houston, Texas, United States
    Recruiting
  • Site Number - 1048
    Lubbock, Texas, United States
    Recruiting
  • Site Number - 1009
    Charlottesville, Virginia, United States
    Recruiting
  • Site Number - 1040
    Richmond, Virginia, United States
    Recruiting
  • Site Number - 1035
    Greenfield, Wisconsin, United States
    Recruiting
  • Site Number - 5003
    Caba, Argentina
    Recruiting
  • Site Number - 5002
    Rosario, Argentina
    Recruiting

+38 more sites. See ClinicalTrials.gov for the full list.

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.