Skip to content

A multi-center, randomized, double-blind, placebo-controlled trial to determine the efficacy of rituximab against a relapse of neuromyelitis optica spectrum disorders with anti-aquaporin 4 antibody

A multi-center, randomized, double-blind, placebo-controlled trial to determine the efficacy of rituximab against a relapse of neuromyelitis optica spectrum disorders with anti-aquaporin 4 antibody - RIN-1

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000013453
Enrollment
40
Registered
2014-03-18
Start date
2014-05-10
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Neuromyelitis optica

Interventions

Rituximab intravenous infusion Placebo

Sponsors

Clinical Research Center, NHO Utano National Hospital
Lead Sponsor
Zenyaku Kogyo Co., Ltd.
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Patients who are seropositive for anti-aquaporin 4 antibody (including those who have previously been seropositive). 2) Patients with a history of either optic neuritis or myelitis. 3) Patients under treatment with oral steroids of dosage of more than 5 mg (within 10% change for at least 3 months before registration). 4) EDSS between 0 and 7.0. 5) Patients who are neurologically stable. 6) Age between 16 and 80 years. 7) Either male or female. Either in-patients or outpatients. 8) Including women of childbearing ages who are negative for a pregnancy test on Visit 1 and consent avoidance of the pregnancy during the trial. 9) Patients who give written informed consent. Patients under 20 years of age are required parental consent. 10) Patients who are able to follow the study protocol and schedule and who can report their symptoms.

Exclusion criteria

Exclusion criteria: 1) Patients with hypersensitivity to mouse protein derivatives or those with a history of anaphylactic reaction to components of rituximab. 2) Patients infected with HBV, HCV, or HIV, and those having active infectious diseases. 3) Patients with severe chronic infection or a history of recurrent infections. 4) Patients who have used a live vaccine within 6 months. 5) Patients under treatment with oral corticosteroid drugs of dosage of higher than 30 mg per day in prednisolone conversion. 6) Patients with previous use of cladribine or a monoclonal antibody, such as natalizumab or rituximab. 7) Patients with a history of radiation treatment (whole body irradiation or lymphoid irradiation) or a stem cell transplant. 8) Patients under treatment with mitoxantrone or cyclophosphamide within 12 months. 9) Patients under treatment with immunomodulatory drugs (interferon beta, glatiramer acetate) or immunoglobulin therapy within 6 months. 10) Patients under treatment with oral immunosuppressive agents other than steroids (e.g., azathioprine, tacrolimus, cyclosporine, cyclophosphamide, methotrexate, or fingolimod) within 3 months. 11) Patients who have received plasma exchange or intravenous steroid pulse therapy within 3 months. 12) Patients with autoimmune diseases, such as Sjogren's syndrome or systemic lupus erythematosus, requiring treatment with immunosuppressants. 13) Patients who are pregnant or feeding a baby. 14) Patients who are participating in other clinical trials for NMO. 15) Patients diagnosed as having a cancer. 16) Patients who are considered unfit for the enrollment in the trial after an investigation.

Design outcomes

Primary

MeasureTime frame
Time to the first relapse from the allocation

Secondary

MeasureTime frame
Changes in Expanded Disability Status Scale (EDSS) and Quantification of Optic nerve and Spinal cord Impairment (QOSI) from the baseline condition, and reduction rate of steroid

Countries

Japan

Contacts

Public ContactMasayuki Tahara

NHO Utano National Hospital Clinical Research Center

tahara.masayuki.ne@mail.hosp.go.jp+81-075-461-5121

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026