800 NMOSD patients join landmark registry to unlock disease secrets

NCT ID NCT04886492

Knowledge-focused Sponsor: CorEvitas Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only This study
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This observational study will follow about 800 adults with neuromyelitis optica spectrum disorder (NMOSD) across North America. Researchers will collect data on how the disease presents, progresses, and is managed in real-world settings. No experimental treatments are given; the goal is to better understand NMOSD and improve future care.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this registry could reveal better ways to manage NMOSD and improve patient care.
What could go wrong
This is an observational study, not a treatment trial. It collects data but does not test any new therapy, so direct patient benefits are limited.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 800 people

The number the study aims to enrol. It can still change while the study runs.

Started

Apr 2021

Expected to finish

Jan 2099

An estimate. End dates often move.

Lead sponsor

A research network

The lead sponsor is a research network or cooperative group.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patients are enrolled in the NMOSD Registry during regularly scheduled office visits. Selected neurologist are invited to participate as investigators in the Registry.

Ages

18 years and older

Sex

Anyone

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Has a diagnosis of NMOSD at the time of enrollment according to the 2015 IPND consensus diagnostic criteria for NMOSD†. 2. Age 18 years or older at the time of enrollment. 3. Willing to provide Personal Information. Exclusion Criteria: 1. Has had a clinically confirmed NMOSD neuro-episode within the 12 weeks prior to enrollment. 2. Is participating or planning to participate in a double-blind randomized trial for an NMOSD drug. Note: Concurrent participation in another observational registry or open-label Phase 3b/4 trial is allowed. * All serology types (APQ4 +/- and MOG +/-) are eligible to enroll in the registry given they meet the 2015 IPND diagnostic criteria.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for Neuromyelitis optica spectrum disorder are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • CorEvitas, LLC

    Waltham, Massachusetts, 02451, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.