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New drug trial aims to ease muscle weakness in myasthenia gravis

NCT ID NCT07039916

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jul 31, 2026 · Updated 2 times

Summary

This study tests an investigational drug called IMVT-1402 in 231 adults with mild to severe generalized myasthenia gravis, a condition causing muscle weakness. Participants receive either the drug or a placebo to see if it improves daily activities and muscle strength. The goal is to find a safer, more effective treatment option.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

About 231 people

The number the study aims to enrol. It can still change while the study runs.

Started

May 2025

Expected to finish

Dec 2028

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 80 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

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.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    88 sites in 15 countries. The list below names each one and where it is.

  3. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  4. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • Site Number - 1001

    RECRUITING

    New Haven, Connecticut, 06510, United States

  • Site Number - 1002

    RECRUITING

    Port Charlotte, Florida, 33952, United States

  • Site Number - 1003

    RECRUITING

    Dallas, Texas, 75206, United States

  • Site Number - 1004

    RECRUITING

    San Francisco, California, 94143, United States

  • Site Number - 1005

    RECRUITING

    East Lansing, Michigan, 48824, United States

  • Site Number - 1006

    RECRUITING

    Clearwater, Florida, 33761, United States

  • Site Number - 1007

    RECRUITING

    Tampa, Florida, 33612, United States

  • Site Number - 1009

    RECRUITING

    Charlottesville, Virginia, 22903, United States

  • Site Number - 1010

    RECRUITING

    Carlsbad, California, 92011, United States

  • Site Number - 1011

    RECRUITING

    Yukon, Oklahoma, 73099, United States

  • Site Number - 1013

    RECRUITING

    Durham, North Carolina, 27710, United States

  • Site Number - 1014

    RECRUITING

    Atlanta, Georgia, 30329, United States

  • Site Number - 1015

    RECRUITING

    Charleston, South Carolina, 29486, United States

  • Site Number - 1017

    RECRUITING

    Phoenix, Arizona, 85028, United States

  • Site Number - 1018

    RECRUITING

    Omaha, Nebraska, 68198, United States

  • Site Number - 1019

    RECRUITING

    Totowa, New Jersey, 07512, United States

  • Site Number - 1020

    RECRUITING

    Chapel Hill, North Carolina, 27599, United States

  • Site Number - 1021

    RECRUITING

    Memphis, Tennessee, 38120, United States

  • Site Number - 1022

    RECRUITING

    Lexington, Kentucky, 40536-0284, United States

  • Site Number - 1023

    RECRUITING

    Los Angeles, California, 90033, United States

  • Site Number - 1024

    RECRUITING

    Washington D.C., District of Columbia, 20010, United States

  • Site Number - 1025

    RECRUITING

    Scottsdale, Arizona, 85251, United States

  • Site Number - 1026

    RECRUITING

    Detroit, Michigan, 48201, United States

  • Site Number - 1027

    RECRUITING

    Fort Collins, Colorado, 80528, United States

  • Site Number - 1028

    RECRUITING

    Irvine, California, 92697, United States

  • Site Number - 1029

    RECRUITING

    Rancho Mirage, California, 92270, United States

  • Site Number - 1030

    RECRUITING

    Charleston, South Carolina, 29425, United States

  • Site Number - 1031

    RECRUITING

    Eugene, Oregon, 97477, United States

  • Site Number - 1032

    RECRUITING

    Nicholasville, Kentucky, 40356, United States

  • Site Number - 1034

    RECRUITING

    New York, New York, 10065, United States

  • Site Number - 1035

    RECRUITING

    Greenfield, Wisconsin, 53228, United States

  • Site Number - 1036

    RECRUITING

    New York, New York, 10021, United States

  • Site Number - 1037

    RECRUITING

    Ormond Beach, Florida, 32174, United States

  • Site Number - 1038

    RECRUITING

    Cincinnati, Ohio, 45221, United States

  • Site Number - 1040

    RECRUITING

    Richmond, Virginia, 23298, United States

  • Site Number - 1041

    RECRUITING

    Mobile, Alabama, 36604, United States

  • Site Number - 1042

    RECRUITING

    Tucson, Arizona, 85718, United States

  • Site Number - 1043

    RECRUITING

    Augusta, Georgia, 30912, United States

  • Site Number - 1044

    RECRUITING

    Raleigh, North Carolina, 27607, United States

  • Site Number - 1045

    RECRUITING

    Oklahoma City, Oklahoma, 73104, United States

  • Site Number - 1046

    RECRUITING

    New Orleans, Louisiana, 70121, United States

  • Site Number - 1047

    RECRUITING

    Denton, Texas, 76208, United States

  • Site Number - 1048

    RECRUITING

    Lubbock, Texas, 79414, United States

  • Site Number - 1049

    RECRUITING

    Foxborough, Massachusetts, 02035, United States

  • Site Number - 1050

    RECRUITING

    Rockledge, Florida, 32955, United States

  • Site Number - 1054

    RECRUITING

    Schaumburg, Illinois, 60173, United States

  • Site Number - 1056

    RECRUITING

    Huntsville, Alabama, 35801, United States

  • Site Number - 1057

    RECRUITING

    Houston, Texas, 77054, United States

  • Site Number - 2602

    RECRUITING

    Mexico City, 6700, Mexico

  • Site Number - 3001

    RECRUITING

    Katowice, 40-689, Poland

  • Site Number - 3002

    RECRUITING

    Krakow, 31-503, Poland

  • Site Number - 3003

    RECRUITING

    Krakow, 31-505, Poland

  • Site Number - 3004

    RECRUITING

    Lublin, 20-701, Poland

  • Site Number - 3005

    RECRUITING

    Gdansk, 80-214, Poland

  • Site Number - 3006

    RECRUITING

    Krakow, 31-324, Poland

  • Site Number - 3007

    RECRUITING

    Warsaw, 01-684, Poland

  • Site Number - 3201

    RECRUITING

    Brno, 60300, Czechia

  • Site Number - 3601

    RECRUITING

    Copenhagen, 2177, Denmark

  • Site Number - 3901

    RECRUITING

    Pátrai, 26504, Greece

  • Site Number - 3902

    RECRUITING

    Athens, 12462, Greece

  • Site Number - 3903

    RECRUITING

    Athens, 11528, Greece

  • Site Number - 3904

    RECRUITING

    Thessaloniki, 54642, Greece

  • Site Number - 5002

    RECRUITING

    Rosario, S2000, Argentina

  • Site Number - 5003

    RECRUITING

    Caba, C1428AQK, Argentina

  • Site Number - 6001

    RECRUITING

    Naples, 80131, Italy

  • Site Number - 6002

    RECRUITING

    Milan, 20133, Italy

  • Site Number - 6003

    RECRUITING

    Bergamo, 24127, Italy

  • Site Number - 6004

    RECRUITING

    Rome, 136, Italy

  • Site Number - 6502

    RECRUITING

    Bochum, 44791, Germany

  • Site Number - 6503

    RECRUITING

    Würzburg, 97070, Germany

  • Site Number - 6504

    RECRUITING

    Goettigen, 37075, Germany

  • Site Number - 6505

    RECRUITING

    Magdeburg, 39120, Germany

  • Site Number - 7002

    RECRUITING

    Glasgow, G51 4TF, United Kingdom

  • Site Number - 7003

    RECRUITING

    Birmingham, B15 2GW, United Kingdom

  • Site Number - 7004

    RECRUITING

    London, WC1N 3BG, United Kingdom

  • Site Number - 7101

    RECRUITING

    Córdoba, 14011, Spain

  • Site Number - 7103

    RECRUITING

    Barcelona, 8195, Spain

  • Site Number - 7104

    RECRUITING

    Madrid, 28034, Spain

  • Site Number - 7501

    RECRUITING

    Târgu Mureş, 540136, Romania

  • Site Number - 7502

    RECRUITING

    Constanța, 900348, Romania

  • Site Number - 7551

    RECRUITING

    Kistarcsa, 2143, Hungary

  • Site Number - 7552

    RECRUITING

    Budapest, 1085, Hungary

  • Site Number - 7553

    RECRUITING

    Budapest, 1204, Hungary

  • Site Number - 8001

    RECRUITING

    Tbilisi, 159, Georgia

  • Site Number - 8002

    RECRUITING

    Tbilisi, 0114, Georgia

  • Site Number - 8003

    RECRUITING

    Tbilisi, 114, Georgia

  • Site Number - 9001

    RECRUITING

    Belgrade, 11000, Serbia

  • Site Number - 9002

    RECRUITING

    Niš, 18000, Serbia

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