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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

About this study

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.

Based on ClinicalTrials.gov records.

What participants do

  • 1.Take AB-101
  • 2.Take Cyclophosphamide
  • 3.Take Fludarabine
  • +1 more
PhasePhase 1
DrugCyclophosphamide
Routeinfusion
Primary goalIncidence of Serious Adverse Events (SAE) and causality assessment

Participation effort

Estimated from trial records. Details can vary by site.

Time + visits
Low15%
Logistics
Moderate50%

Logistics difficulty varies by site location and availability.

Trial highlights

Treatment details

Auto-extracted from trial records to preview treatments and outcomes.

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