A Study of RVT-1401 in Myasthenia Gravis (MG) Patients

NCT ID: NCT03863080

Last Updated: 2023-12-20

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

17 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-05-21

Study Completion Date

2020-12-21

Brief Summary

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The purpose of the current study is to assess safety/tolerability and key pharmacodynamic (PD) effects that are considered to be associated with clinical benefit (reduction of total IgG and anti-AChR-IgG) in Myasthenia Gravis patients following treatment with RVT-1401 (also known as IMVT-1401) compared to placebo.

Detailed Description

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Conditions

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Myasthenia Gravis

Keywords

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IMVT-1401

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Randomized, Double-Blind, Placebo-Controlled Study with an Open-Label Extension
Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors
Blinded

Study Groups

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Regimen A

RVT-1401 680 mg weekly for 6 weeks + optional open-label extension (RVT-1401, 340 mg every 2 weeks for 6 weeks)

Group Type EXPERIMENTAL

RVT-1401

Intervention Type DRUG

Subcutaneous administration of RVT-1401

Regimen B

RVT-1401 340 mg weekly for 6 weeks + optional open-label extension (RVT-1401, 340 mg every 2 weeks for 6 weeks)

Group Type EXPERIMENTAL

RVT-1401

Intervention Type DRUG

Subcutaneous administration of RVT-1401

Placebo

Placebo for 6 weeks + optional open-label extension (RVT-1401, 340 mg every 2 weeks for 6 weeks)

Group Type PLACEBO_COMPARATOR

RVT-1401

Intervention Type DRUG

Subcutaneous administration of RVT-1401

Placebo

Intervention Type DRUG

Subcutaneous administration of Placebo

Interventions

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RVT-1401

Subcutaneous administration of RVT-1401

Intervention Type DRUG

Placebo

Subcutaneous administration of Placebo

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Male or female ≥ 18 years of age.
2. Myasthenia Gravis Foundation of America (MGFA) Class II-IVa and likely not in need of a respirator for the duration of the study as judged by the Investigator.
3. QMG score ≥12 at Screening and Baseline.

Exclusion Criteria

1. Use of rituximab, belimumab, eculizumab or any monoclonal antibody for immunomodulation within 6 months prior to first dosing.
2. Immunoglobulins given by SC, IV (IVIG), or intramuscular route, or plasmapheresis/plasma exchange (PE) within 4 weeks before Screening.
3. Thymectomy performed \< 12 months prior to screening.
4. Total IgG level \<6 g/L (at screening).
5. Absolute neutrophil count \<1500 cells/mm3(at screening).
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Immunovant Sciences GmbH

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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IMC/Diagnostic and Medical Clinic

Mobile, Alabama, United States

Site Status

Phoenix Neurological Associates

Phoenix, Arizona, United States

Site Status

The Neurology Center of Southern California

Carlsbad, California, United States

Site Status

UC Irvine - MDA ALS and Neuromuscular Center

Orange, California, United States

Site Status

Care Access Research

Pasadena, California, United States

Site Status

CSNA

Colorado Springs, Colorado, United States

Site Status

Yale School of Medicine Department of Neurology

New Haven, Connecticut, United States

Site Status

Neurological Services of Orlando

Orlando, Florida, United States

Site Status

Rare Disease Research

Atlanta, Georgia, United States

Site Status

University of Minnesota - Department of Neurology

Minneapolis, Minnesota, United States

Site Status

Dent Institute

Amherst, New York, United States

Site Status

University of Buffalo

Buffalo, New York, United States

Site Status

Hospital for Special Surgery

New York, New York, United States

Site Status

Allegheny Neurological Associates

Pittsburgh, Pennsylvania, United States

Site Status

UTSW James W. Aston Ambulatory Care Center - Neurology Clinic

Dallas, Texas, United States

Site Status

University of Alberta Hospitals - Division of Pulmonary Medicine

Edmonton, Alberta, Canada

Site Status

London Health Sciences Centre

London, Ontario, Canada

Site Status

Ottawa Hospital Research Institute

Ottawa, Ontario, Canada

Site Status

University Health Network Toronto General Hospital

Toronto, Ontario, Canada

Site Status

Montreal Neurological Institute and Hospital

Montreal, Quebec, Canada

Site Status

Countries

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United States Canada

Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Other Identifiers

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RVT-1401-2002

Identifier Type: -

Identifier Source: org_study_id