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NCT04225156 · ClinicalTrials.gov registry record · Phase 3
A Long-term Study to Assess the Safety and Efficacy of Efgartigimod in Adult Patients With Primary Immune Thrombocytopenia (ITP).
A Phase 3 study, sponsored by argenx.
- Completed
- Registry status
- Phase 3
- Development phase
- 101
- Enrollment target
NCT04225156: Completed Phase 3 study, sponsored by argenx.
NCT04225156 is a Phase 3 study that has completed, run by argenx. The registered enrollment target is 101 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (87% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT04225156, a Phase 3 study, has completed, sponsored by argenx.
- COMPLETED
- Registry status
- Phase 3
- Development phase
- 101 participants
- Enrollment target
Study Summary
This is an open-label long-term multicenter phase 3 trial to evaluate the efficacy and safety of ARGX-113 in adult patients with primary ITP.
Interventions
- BIOLOGICAL efgartigimod
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 101 participants |
| Start Date | 2020-06-02 |
| Est. Completion | 2026-03-11 |
| Phase | Phase 3 |
What the finished NCT04225156 record still lists
NCT04225156 is an interventional study that assigns participants to a tested intervention. The registered 101 participants enrollment target is mid-sized for trials with a published cap, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (87% lower).
The record links to 0 conditions, and to 1 intervention - of which efgartigimod is the first listed.
NCT04225156 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT04225156 about?
NCT04225156 is a clinical study titled "A Long-term Study to Assess the Safety and Efficacy of Efgartigimod in Adult Patients With Primary Immune Thrombocytopenia (ITP).". This is an open-label long-term multicenter phase 3 trial to evaluate the efficacy and safety of ARGX-113 in adult patients with primary ITP.
What is the current status of trial NCT04225156?
This trial is currently completed. It is a Phase 3 study. The enrollment target is 101 participants. The study started on 2020-06-02. Estimated completion is 2026-03-11.
What interventions are being tested in trial NCT04225156?
The interventions under investigation include: efgartigimod (BIOLOGICAL).
Who is sponsoring clinical trial NCT04225156?
This trial is sponsored by argenx, which has 49 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT04225156's enrollment target sits among peer trials
101 1680th of 2000 higher than 320 of 2,000 other Phase 3 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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