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Neuromyelitis Optica Spectrum DisorderPhase 4NCT04256252

Rituximab at Low dosE for neuromyelitiS optiCa spectrUm disordEr (RESCUE)

A Phase 4 study testing Rituximab in people with Neuromyelitis Optica Spectrum Disorder, run by Tang-Du Hospital.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

In this research, a prospective, multicenter(Tangdu Hospital of Fourth Military Medical University, Xi'an Gaoxin Hospital of Xi'an Medical College, Xianyang Central Hospital, Baoji Central Hospital, Xi'an Central Hospital, The First Hospital of Xi'an, The Fourth Hospital of Xi'an) open-label, follow-up clinical trial… Read more about this study

Who is it for?
Ages 16 to 75 years
Conditions the study is for
Neuromyelitis Optica Spectrum Disorder
What is being tested?
Rituximab
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
108 participants
Where
No sites listed yet
Study dates
Apr 2014to Jun 2020
Phase
Phase 4
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 16 to 75 years
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Who may be able to join

  • Age between 16 and 75 years old;
  • Meet the 2007 or 2015 revised diagnostic criteria for NMOSD;
  • At least two relapses in recent two years and/or at least one attack or relapse in recent one years;
  • Expanded disability status scale (EDSS) score ≤7.0;
  • Willingness to sample collection, imaging study and other disease-related examinations and assessments;
  • Results of pregnancy tests for female patients with fertility during the screening period should be negative and effective contraception was used by the patient and her spouse during the study period;
  • Patients with informed consent.

Who cannot join

  • Other immunosuppressive agents are being used or have been discontinued for less than 3 months;
  • White blood cell count (WBC) <3 ×109/L, neutrophil count <1.5 ×109/L, hemoglobin (HGB) < 85 g/L, and platelet count (PLT) < 80×109/L;
  • Concomitant active liver disease or persistent elevation of transaminases more than three times above the normal upper limit;
  • Serious cardiovascular, kidney, blood and endocrine diseases, or history of malignant tumors, or severe infection;
  • Other chronic active immune diseases or stable conditions but requiring immunosuppressants or glucocorticoids, such as rheumatoid arthritis, scleroderma, Sjögren's syndrome, ulcerative colitis, AIDS, genetic or drug-induced immune deficiency;
  • Pregnant or lactating patients and those with family planning during the study period;
  • Allergy to rituximab and other components;
  • Inability to provide informed consent.

About this study

Official title: Rituximab at Low dosE for neuromyelitiS optiCa spectrUm disordEr (RESCUE): a Prospective, Multicenter, Open-label, Follow-up Clinical Trial

In this research, a prospective, multicenter(Tangdu Hospital of Fourth Military Medical University, Xi'an Gaoxin Hospital of Xi'an Medical College, Xianyang Central Hospital, Baoji Central Hospital, Xi'an Central Hospital, The First Hospital of Xi'an, The Fourth Hospital of Xi'an) open-label, follow-up clinical trial will carry out to evaluate the efficacy and safety of low-dose rituximab in treating NMOSD in Northwest China.

Read the detailed description

Neuromyelitis optica spectrum disorder (NMOSD) is a group of autoimmune inflammatory demyelinating disease of the central nervous system primarily characterized with recurrent optic neuritis and longitudinally extensive transverse myelitis, leading to blindness and paralysis. Incremental disability due to clinical attacks make it essential to prevent relapses with immunosuppressive therapy. Since the serological pathogenic marker anti-aquaporin 4 immunoglobulin G (anti-AQP4 IgG) has been identified, NMOSD has unveiled its autoimmune features with close connections to B cell-mediated humoral immunity. Rituximab, a chimeric monoclonal antibody directly against human CD20 molecular on the surface of B cells, has been reported to deplete peripheral CD20+ B cells and to be highly effective for treating NMOSD, and therefore been recommended as first-line therapy for this disorder. Unfortunately, there are still no consensus statements on dosing and follow-up regimens, which needs investigations to explore the efficacy and safety of different rituximab strategies. Previous studies have provided pilot evidence supporting the use of low-dose rituximab in preventing relapses in Chinese patients with NMO/NMOSD, however, prospective multicenter studies are still needed to determine the effectiveness of the modified strategy in treating NMOSD.

Being tested
Rituximab
Keywords
Neuromyelitis Optica Spectrum Disorder, Rituximab
Medical subject headings
Neuromyelitis Optica

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • RituximabDrug

    Also called Rituxan

    A scheduled therapeutic regimen with low-dose rituximab was performed.

Study groups in NCT04256252
Study groupRoleWhat they receive
RituximabExperimentalIntravenous rituximab was administered at a fixed dose of 100 mg once weekly for 3 weeks, followed by maintenance treatment with 100 mg rituximab every 6 months.
Receives: Drug: Rituximab

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Annualized relapse rate at last follow-up visit

    All the enrolled patients are followed up and annualized relapse rate is determined at last follow-up visit.

    Measured: 12 months

Secondary outcomes (5)
  1. Expanded disability status scale (EDSS) score at last follow-up visit

    All the enrolled patients are followed up and expanded disability status scale (EDSS) score is determined at last follow-up visit. In general, the minimum and maximum scores of EDSS are 0 and 10, respectively, with higher scores meaning a worse outcome.

    Measured: 12 months

  2. Rituximab-related adverse events

    Rituximab-related adverse events (AEs) are evaluated and the rate of AEs is recorded.

    Measured: 1 month, 3 months, 6 months, 9 months, 12 months

  3. Lesions in spinal cords

    Changes of lesions in spinal cord were evaluated by MRI scanning.

    Measured: 6 months, 12 months

  4. Circulating B cell monitoring

    Frequencies of total B cell (CD19+) and memory B cell (CD19+CD27+) in lymphocytes were assessed by flow cytometry.

    Measured: 6 months, 12 months

  5. Switch treatment

    Other immunosuppressive agents switched from rituximab and reasons for the switch are recorded.

    Measured: 6 months, 12 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted5 Feb 2020
  2. Study startApr 2014
  3. Primary completionApr 2020
  4. Study completionJun 2020

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 4
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
108 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04256252
Sponsor's protocol ID
2014TD-NMOSD
Status last verified
Oct 2020
First submitted
2 Feb 2020
Last updated
19 Oct 2020
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Rituximab in people with Neuromyelitis Optica Spectrum Disorder, run by Tang-Du Hospital.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 7 inclusion and 8 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 19 Oct 2020. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Annualized relapse rate at last follow-up visit (time frame: 12 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 19 Oct 2020.

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