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Study details
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Open-label Single-Center Study to Evaluate the Safety and Efficacy of Combining Rituximab and AB-101 in B-cell Associated Autoimmune Diseases

IRIS Research and Development, LLC
NCT IDNCT06581562ClinicalTrials.gov data as of Apr 2026
Phase

Phase 1

Target enrollment

30

Study length

about 4.6 years

Ages

18+

Locations

1 site in FL

What this study is about

This trial is testing a treatment combining AB-101 with rituximab for autoimmune diseases like Granulomatosis With Polyangiitis, Pemphigus Vulgaris, Rheumatoid Arthritis, and Systemic Lupus Erythematosus. The goal is to assess the safety and effectiveness of this combination therapy.

Simplified from trial records by PatientMatch.

What you may be asked to do

  • 1.Take AB-101
  • 2.Take Cyclophosphamide
  • 3.Take Fludarabine
  • +1 more

Participation Burden

What's physically and logistically required of participants.

Logistics & Travel
In-person visits

Requires travel to a study site

Physical Intervention
Injection / IVInjection / IV

How treatment is administered

Treatment Assignment
All receive treatment

Everyone gets the investigational treatment.

Extracted study details

Pulled from the trial record to show what is being tested and what the study is measuring.

Drug classes

cyclophosphamide (Alkylating chemotherapy; crosslinks DNA strands), fludarabine, rituximab (Monoclonal antibody; targets CD20 on B-cells to destroy them)

Drug routes

infusion

Endpoints

Primary: Incidence of Serious Adverse Events (SAE) and causality assessment, Incidence of adverse events and relationship to study drug

Secondary: GPA / MPA: Change from baseline in the Birmingham Vasculitis Activity Score at Week 12 and 24, PV: Change from baseline in the Pemphigus Disease Area Index (PDAI) at Week 12 and 24, RA: Change From Baseline in DAS28 at Week 12 and 24, SLE: Change from baseline in the SLE Disease Activity Index (SLEDAI) at Week 12 and 24

Body systems

Immune