A Study of Efgartigimod PH20 SC Given by Prefilled Syringe in Adults With Thyroid Eye Disease.
Public ClinicalTrials.gov record NCT06307626. 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 Phase 3, Randomized, Double-Masked, Placebo-Controlled, Multicenter Study to Evaluate the Efficacy, Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Immunogenicity of Efgartigimod PH20 SC Administered by Prefilled Syringe in Adult Participants With Thyroid Eye Disease
Study identification
- NCT ID
- NCT06307626
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- argenx
- Industry
- Enrollment
- 105 participants
Conditions and interventions
Conditions
Interventions
- Efgartigimod PH20 SC Combination Product
- Placebo PH20 SC Other
Combination Product · 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
- Mar 27, 2024
- Primary completion
- Dec 14, 2025
- Completion
- Feb 11, 2026
- Last update posted
- Mar 15, 2026
2024 – 2026
United States locations
- U.S. sites
- 11
- U.S. states
- 7
- U.S. cities
- 11
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| American Institute of Research | Los Angeles | California | 90017 | — |
| North Valley Eye Medical Group, Inc. | Mission Hills | California | 91345 | — |
| Martel Eye Medical Group | Rancho Cordova | California | 95670 | — |
| Cockerham Eye Consultants | San Diego | California | 91208 | — |
| Sibia Eye Institute | Boynton Beach | Florida | 33437 | — |
| Sarasota Retina Institute (SRI) | Sarasota | Florida | 34239 | — |
| Butchertown Clinical Trials | Louisville | Kentucky | 40206 | — |
| St. Louis University (SLU) Care - Center for Specialized Medicine | St Louis | Missouri | 63104 | — |
| Advancing Research International, LLC | Las Vegas | Nevada | 89144 | — |
| New York Eye & Ear Infirmary | New York | New York | 10003 | — |
| Baylor College of Medicine | Houston | Texas | 77030 | — |
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 65 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT06307626, 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 Mar 15, 2026 · Synced May 17, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT06307626 live on ClinicalTrials.gov.