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Efficacy of rituximab for remission maintenance in patients with primary angiitis of the central nervous system: an open-label, randomized, controlled trial comparing systematic rituximab infusions and azathioprine - MAINRIPAC

Status
Not yet recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2026-525394-39-00
Enrollment
74
Registered
2026-08-17
Start date
Unknown
Completion date
Unknown
Last updated
2026-08-17

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

Conditions

Patients with primary angiitis of the central nervous system

Brief summary

Time to relapse up to 24 months after initiation of maintenance therapy.

Detailed description

Proportion of participants without relapse at 12 and 24 months (see definition in section 4.1.1 of Protocol), Proportion of participants without clinical relapse (i.e. reoccurrence or worsening of any neurological symptoms attributable to active PACNS) at 12 and 24 months (see definition in section 4.1.1 of Protocol), Proportion of participants without “radiological relapse” (i.e. worsening of existing or evidence of new abnormal neuroimaging findings on MRI consistent with PACNS activity) at 12 and 24 months (see definition in section 4.1.1 of Protocol), Proportion of participants without evidence of new stroke lesion at 12 and 24 months, Proportion of participants without evidence of new contrast-enhanced lesions at 12 and 24 months, Proportion of participants without evidence of new or progressive intracranial stenosis at 12 and 24 months, Proportion of participants without evidence of progression ≥ 50% of preexisting intracranial stenosis at 12 and 24 months., Proportion of participants necessitating treatment change or escalation at 12 and 24 months, Proportion of participants with favorable outcome defined as mRS < 3 at 12 and 24 months, The SF-36 at 12 and 24 months, Prednisone dosage at 12 and 24 months, The number of adverse events according to the Common Terminology Criteria for Adverse Events (CTCAE) toxicity grading system at 12 and 24 months, Proportion of death

Interventions

Sponsors

Groupe Hospitalier Universitaire Paris Psychiatrie Et Neuroscience
Lead SponsorOTHER

Eligibility

Sex/Gender
All
Age
18 Years to 64 Years

Design outcomes

Primary

MeasureTime frame
Time to relapse up to 24 months after initiation of maintenance therapy.

Secondary

MeasureTime frame
Proportion of participants without relapse at 12 and 24 months (see definition in section 4.1.1 of Protocol), Proportion of participants without clinical relapse (i.e. reoccurrence or worsening of any neurological symptoms attributable to active PACNS) at 12 and 24 months (see definition in section 4.1.1 of Protocol), Proportion of participants without “radiological relapse” (i.e. worsening of existing or evidence of new abnormal neuroimaging findings on MRI consistent with PACNS activity) at 12 and 24 months (see definition in section 4.1.1 of Protocol), Proportion of participants without evidence of new stroke lesion at 12 and 24 months, Proportion of participants without evidence of new contrast-enhanced lesions at 12 and 24 months, Proportion of participants without evidence of new or progressive intracranial stenosis at 12 and 24 months, Proportion of participants without evidence of progression ≥ 50% of preexisting intracranial stenosis at 12 and 24 months., Proportion of partici

Outcome results

None listed

Source: EU CTIS · Data processed: Aug 18, 2026