A Phase 3 Study to Evaluate the Long-term Safety, Tolerability and Efficacy of Efgartigimod PH20 SC in Adult Participants With Bullous Pemphigoid
Public ClinicalTrials.gov record NCT05681481. 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
An Open-label Extension Study of ARGX-113-2009 to Evaluate the Long Term Safety, Tolerability, and Efficacy of Efgartigimod PH20 SC in Adult Participants With Bullous Pemphigoid
Study identification
- NCT ID
- NCT05681481
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- argenx
- Industry
- Enrollment
- 64 participants
Conditions and interventions
Conditions
Interventions
- efgartigimod PH20 SC Biological
- Prednisone Drug
Biological · Drug
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
- Mar 21, 2023
- Primary completion
- Mar 19, 2025
- Completion
- Mar 19, 2025
- Last update posted
- Feb 24, 2026
2023 – 2025
United States locations
- U.S. sites
- 6
- U.S. states
- 6
- U.S. cities
- 6
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Medical Dermatology Specialists | Phoenix | Arizona | 85006 | — |
| First OC Dermatology | Fountain Valley | California | 92708 | — |
| Miami Dermatology and Laser Institute | Miami | Florida | 33173 | — |
| University of Michigan Hospital | Ann Arbor | Michigan | 48109 | — |
| Saint Louis University | St Louis | Missouri | 63110 | — |
| Wright State Physicians | Fairborn | Ohio | 45324 | — |
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 34 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05681481, 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 Feb 24, 2026 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05681481 live on ClinicalTrials.gov.