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NCT04201262 · ClinicalTrials.gov registry record · Phase 3

An Efficacy and Safety Study of Ravulizumab in Adult Participants With NMOSD

A Phase 3 study, sponsored by Alexion Pharmaceuticals.

Completed
Registry status
Phase 3
Development phase
58
Enrollment target

NCT04201262: Completed Phase 3 study, sponsored by Alexion Pharmaceuticals.

NCT04201262 is a Phase 3 study that has completed, run by Alexion Pharmaceuticals. The registered enrollment target is 58 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (92% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04201262, a Phase 3 study, has completed, sponsored by Alexion Pharmaceuticals.

COMPLETED
Registry status
Phase 3
Development phase
58 participants
Enrollment target

Study Summary

The primary purpose of this study is to evaluate the efficacy and safety of ravulizumab for the treatment of adult participants with NMOSD.

Primary Outcome

An On-trial Relapse was defined as a new onset of neurologic symptoms or worsening of existing neurologic symptoms with an objective change (clinical sign) on neurologic examination that persisted for more than 24 hours as confirmed by the treating physician. An adjudicated On-trial Relapse was defined by the protocol and positively adjudicated by the independent relapse adjudication committee.

Interventions

  • BIOLOGICAL Ravulizumab

Trial Details

FieldValue
Enrollment Target 58 participants
Start Date 2019-12-09
Est. Completion 2024-10-31
Phase Phase 3
Alexion Pharmaceuticals

162 total trials

What the finished NCT04201262 record still lists

NCT04201262 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 58 participants, a relatively small participant target, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (92% lower).

The record links to 0 conditions, and to 1 intervention - of which Ravulizumab is the first listed.

NCT04201262 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04201262 about?

NCT04201262 is a clinical study titled "An Efficacy and Safety Study of Ravulizumab in Adult Participants With NMOSD". The primary purpose of this study is to evaluate the efficacy and safety of ravulizumab for the treatment of adult participants with NMOSD.

What is the current status of trial NCT04201262?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 58 participants. The study started on 2019-12-09. Estimated completion is 2024-10-31.

What interventions are being tested in trial NCT04201262?

The interventions under investigation include: Ravulizumab (BIOLOGICAL).

Who is sponsoring clinical trial NCT04201262?

This trial is sponsored by Alexion Pharmaceuticals, which has 162 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04201262's enrollment target sits among peer trials

58 1825th of 2000 higher than 174 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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Source: ClinicalTrials.gov NCT04201262, the US trial registry maintained by the National Library of Medicine. NCT04201262 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.