Skip to main content
UK clinical trials - updated daily from ClinicalTrials.gov
TrialConnect
← Back to Search
Looking for participantsPhase3

Study to Assess the Efficacy and Safety of IMVT-1402 in Participants With Mild to Severe Generalized Myasthenia Gravis

Sponsor: Immunovant Sciences GmbH

NCT ID: NCT07039916

View on ClinicalTrials.gov ↗

At a glance

What the study gets you
Access to the study treatment being tested
Type of study
Interventional (receives a drug or procedure)
Time in hospital
In-person visits at study sites — visit count not specified by the sponsor
Drug or intervention
IMVT-1402 (drug), IMVT-1402 (drug), Placebo (drug), IMVT-1402 (drug)
How long the study runs
Study runs about 43 months (dates as stated)
About the drug or intervention
IMVT-1402 — drug: • Dose 1 subcutaneous (SC) once weekly (QW) for 12 weeks (Period 1) · IMVT-1402 — drug: * Dose 2 SC QW for 12 weeks (Period 1) * Dose 2 SC QW for 14 weeks (Period 2) * Dose 2 SC QW for 52 weeks (Period 3) · Placebo — drug: • Placebo SC QW for 12 weeks (Period 1) · IMVT-1402 — drug: * Dose 1 SC QW for 14 weeks (Period 2) * Dose 1 SC QW for 52 weeks (Period 3)
Patient visit burden
Not specified by the sponsor

In plain English

This trial is testing a medicine called IMVT-1402 in people with mild to severe generalized myasthenia gravis (often shortened to gMG). The researchers want to find out how well the medicine works and how safe it is. The trial is run and paid for by Immunovant Sciences GmbH.

Who can take part

  • You are able to understand what the trial involves, sign a consent form, and follow the trial's procedures.
  • You have mild to severe generalized myasthenia gravis, class II, III or IVa on the Myasthenia Gravis Foundation of America (MGFA) scale, checked at the screening visit.
  • You score 6 or more on the myasthenia gravis activities of daily living (MG-ADL) scale at the screening visit and at the baseline visit (Day 1).
  • There are further rules in the study plan — ask the trial team about these.

Who may not be able to

  • You have had a myasthenic crisis within the 12 weeks before the screening visit.
  • You had surgery to remove the thymus gland (a thymectomy) less than 6 months before the screening visit, or you have this surgery planned during the study.
  • You have an active or untreated malignant (cancerous) thymoma.
  • There are further rules in the study plan — ask the trial team about these.

What taking part involves

  • • Not stated — ask the trial team

Time commitment: Not stated — ask the trial team about how many visits there are, how long the trial lasts, and what taking part involves.

Plain-English summary (AI-generated) from registry data. Not eligibility advice — only the trial team can confirm whether you can take part. Use the eligibility checker to see how your health profile matches this trial.

Type of study
Testing a treatment
Ages
18 Years to 80 Years
Who
All
Number of participants
231
Started
2025-05-27
Last checked
2026-07

Plain English Summary

What is this study?

  • • Testing a new treatment for generalized myasthenia gravis
  • • Phase3 - 231 participants
  • • The purpose of the study is to assess the efficacy, safety and tolerability of IMVT-1402 in adult participants with mild to severe generalized myasthenia gravis

Who can take part?

  • • Ages 18 Years to 80 Years
  • • Diagnosed with generalized myasthenia gravis

Where?

  • • Birmingham - Site Number - 7003
  • • Glasgow - Site Number - 7002
  • • London - Site Number - 7004

This is a simplified summary. Always discuss with your doctor before making any decisions.

About This Trial

The purpose of the study is to assess the efficacy, safety and tolerability of IMVT-1402 in adult participants with mild to severe generalized myasthenia gravis.

Generalized Myasthenia Gravis

How this trial compares with your answers

Answer 2 more questions to improve match

What we know so far

Condition· Matched your search
Age· Tell us your age for better matching
Gender· Tell us your sex for better matching

Still need:

  • • Tell us your age for better matching
  • • Tell us your sex for better matching

Preliminary match based on your answers. Full eligibility requires on-site assessment including medical history, physical exam, and lab tests. This does not guarantee enrolment.

Eligibility at a Glance

Key info

  • Age: 18 Years - 80 Years
  • Who can join: All genders

What the study is looking for

  • ✓Participants with the ability to understand the requirements of the trial, provide written agreement to take part, and...
  • ✓Have mild to severe gMG by Myasthenia Gravis Foundation of America (MGFA) classification of Class II, III, or IVa at...
  • ✓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.

Who cannot take part

  • ✗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.
See the full 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 Is This Study? (3 UK sites)

Site Number - 7003

Birmingham B15 2GW, United Kingdom

Recruiting

Site Number - 7002

Glasgow G51 4TF, United Kingdom

Recruiting

Site Number - 7004

London WC1N 3BG, United Kingdom

Recruiting

How to Get in Touch

Central Study Contact

Sponsor contact

CONTACT

18007970414 clinicaltrials@immunovant.com
Data sourced from ClinicalTrials.gov · Last verified: 2026-07