A Phase 3 Study to Evaluate the Efficacy and Safety of Efgartigimod IV in Patients With Acetylcholine Receptor Binding Antibody Seronegative Generalized Myasthenia Gravis
Public ClinicalTrials.gov record NCT06298552. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Randomized, Double-Blinded, Placebo-Controlled, Phase 3, Parallel-Group Design Study Evaluating the Efficacy and Safety of Efgartigimod IV in Adult Participants With Acetylcholine Receptor Binding Antibody Seronegative Generalized Myasthenia Gravis
Study identification
- NCT ID
- NCT06298552
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- argenx
- Industry
- Enrollment
- 119 participants
Conditions and interventions
Interventions
- Efgartigimod IV Biological
- Placebo IV Other
Biological · Other
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Apr 15, 2024
- Primary completion
- Jun 29, 2025
- Completion
- May 31, 2027
- Last update posted
- Nov 4, 2025
2024 – 2027
United States locations
- U.S. sites
- 19
- U.S. states
- 11
- U.S. cities
- 18
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| HonorHealth Neurology - Bob Bove Neuroscience Institute | Scottsdale | Arizona | 85251 | — |
| Loma Linda University Health | Fresno | California | 93701-2234 | — |
| First Choice Neurology Boca Raton | Boca Raton | Florida | 33428 | — |
| SFM Clinical Research LLC | Boca Raton | Florida | 33487 | — |
| The Neurology Institute / Healthcare Innovations Institute - Coral Springs | Coral Springs | Florida | 33067 | — |
| Neurology Associates PA | Maitland | Florida | 32751 | — |
| Desai Sethi Medical Center | Miami | Florida | 33136 | — |
| Medsol Clinical Research Center Inc | Port Charlotte | Florida | 33952 | — |
| BayCare - St. Anthony's Hospital | St. Petersburg | Florida | 33705-1410 | — |
| University of South Florida (USF) Health - Morsani Center for Advanced Healthcare | Tampa | Florida | 33612 | — |
| Wellstar - Augusta University Medical Center | Augusta | Georgia | 30912 | — |
| Kansas University Medical Center - Kansas City | Fairway | Kansas | 66205 | — |
| Rutgers-Robert Wood Johnson Medical School | New Brunswick | New Jersey | 08901-1962 | — |
| University of North Carolina - Chapel Hill | Chapel Hill | North Carolina | 27599-7025 | — |
| Duke University School of Medicine - Duke Early Phase Clinical Research Unit | Durham | North Carolina | 27710 | — |
| Cleveland Clinic | Cleveland | Ohio | 44195 | — |
| Erlanger Neuroscience Institute | Chattanooga | Tennessee | 37403-2173 | — |
| National Neuromuscular Research Institute | Austin | Texas | 78756 | — |
| University of Washington Medical Center - Montlake | Seattle | Washington | 98195 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 72 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT06298552, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Nov 4, 2025 · Synced Jul 22, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT06298552 live on ClinicalTrials.gov.