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Assessment of Clemastine Fumarate as a Remyelinating Agent in Acute Optic Neuritis (ReCOVER)

NCT02521311 · Status: RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 90

Last updated 2026-03-11

No results posted yet for this study

Summary

The main purpose of this study is to assess clemastine as a remyelinating agent in patients with acute optic neuritis.The study will also evaluate the tolerability of clemastine, originally approved as first-generation antihistamine, in patients with optic neuritis. Study procedures will include assessments for evidence of remyelination in the anterior visual pathway and in the brain using electrophysiologic techniques and magnetic resonance imaging. If they are on one, patients in this study can remain on their standard disease modifying treatment during the course of the study. However, patients cannot participate in any other investigational new drug research study concurrently.

Conditions

Interventions

DRUG

Clemastine

12mg (4mg 3x/day) clemastine for 7 days followed by 8mg clemastine (4mg 2x/day) until 3 months. Patients will be off treatment from 3-9 months and will be reevaluated at 9 months.

DRUG

Placebo

Equivalent placebo. 12mg (4mg 3x/day) placebo for 7 days followed by 8mg placebo (4mg 2x/day) until 3 months. Patients will be off treatment from 3-9 months and will be reevaluated at 9 months.

Sponsors & Collaborators

Principal Investigators

  • Ari Green, MD, MCR · University of California, San Francisco

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
55 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2017-02-28
Primary Completion
2028-08-31
Completion
2028-08-31
FDA Drug
Yes

Countries

  • United States

Study Locations

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Entities

Drugs
Diseases
Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT02521311 on ClinicalTrials.gov