Phase 2 Study of Povetacicept for Generalized Myasthenia Gravis

This study is testing an investigational drug called Povetacicept in adults with generalized myasthenia gravis (gMG), a condition causing muscle weakness. Researchers want to see how Povetacicept affects the body and to check its safety and any side effects. You might receive Povetacicept or a placebo (an inactive substance). To join, you must be between 18 and 80 years old and have a diagnosis of generalized myasthenia gravis with moderate to severe muscle weakness. The study will measure changes in certain proteins in your blood and track any adverse events. The study plans to enroll 30 participants, but its current recruitment status is unclear.

Study design
This is an interventional Phase 2 study that plans to enroll 30 participants. Participants will receive either Povetacicept or a placebo.
What's involved
Not specified in the trial record.
Compensation
Not stated in the trial record.
Follow-up
Safety and side effects will be monitored for up to 116 weeks (about 2 years and 2 months) from the start of the study.

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NCT07501702

A Phase 2 Study to Evaluate Povetacicept in Adults With Generalized Myasthenia Gravis

Recruiting
PHASE2Ages 18–80InterventionalTreatment
Vertex Pharmaceuticals Incorporated
~30 participants
Updated 2026-08-03 on ClinicalTrials.gov
What's tested:PovetaciceptPlacebo

At a glance

Recruiting sites
26 of 26 listed sites are recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
Percent change in Total Immunoglobulin G (IgG)
Measured over Baseline and At Week 12
+1 more outcome measured
Myasthenia Gravis, Generalized
26 sites across 11 states
Poland7
Florida6
Texas3
United Kingdom3
California1
Hawaii1
Illinois1
Nevada1

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Eligibility criteria

Inclusion

Age 18-80 years
Diagnosis of generalized myasthenia gravis with generalized muscle weakness and fitting MGFA clinical classification II-IV

Exclusion

History of thymic surgery within 6 months of screening
History of malignancy within the last 5 years
  • Percent change in Total Immunoglobulin G (IgG)Baseline and At Week 12
  • Safety and Tolerability as Assessed by Number of Participants with Adverse Events (AEs) and Serious Adverse Events (SAEs)From Baseline Up to Week 116