Bispecific Antibodies for Glomerular Diseases: Are We Ready for Prime Time?
Sabine Karam, Idris Boudhabhay, Kenar D Jhaveri
https://pubmed.ncbi.nlm.nih.gov/41979896/Actively Recruiting
Led by Amgen · Updated on 2026-08-07
220
Participants Needed
57
Research Sites
N/A
Total Duration
Researchers are evaluating the safety, tolerability, and effectiveness of two drugs, inebilizumab and blinatumomab, in adults with active and refractory autoimmune diseases such as systemic lupus erythematosus SLE with nephritis and rheumatoid arthritis RA. This phase 2, open-label, multicenter trial aims to better understand how these drugs work in these conditions and their impact on disease activity and kidney health. Participants will receive inebilizumab through intravenous IV infusions in different dosing schedules, or blinatumomab through subcutaneous SC injections at varying doses depending on the subprotocol group. The study includes several parts focusing on different autoimmune conditions and treatment regimens, with some parts no longer recruiting new participants. During the trial, participants will undergo regular assessments including monitoring for adverse events, evaluation of disease activity using specific clinical scores, kidney function tests, and antibody levels. Researchers will track safety and treatment responses over a period of up to 52 weeks, with visits occurring at scheduled intervals to collect data and monitor participant health.
CONDITIONS
A Phase 2 Master Protocol Assessing Inebilizumab and Blinatumomab in Autoimmune Diseases
A
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Amgen
Lead Sponsor
This table compares participation in this trial with other options available for this condition. The information is drawn from published research and the trial’s study details and is provided for educational purposes only.
| Factors | Investigational B‑cell‑targeting therapy | Current standard immunosuppressive care |
|---|---|---|
| What it is | Master protocol offering sequential dose cohorts of inebilizumab or blinatumomab for adults with active refractory SLE (with or without nephritis) or refractory rheumatoid arthritis | Established immunosuppressive treatment regimens such as glucocorticoids plus conventional or biologic DMARDs used in refractory SLE with nephritis or refractory RA |
| Primary use | Investigational treatment aimed at evaluating safety, tolerability, and preliminary efficacy in refractory autoimmune disease cohorts | Therapeutic regimens widely used to control disease activity and induce remission in refractory SLE or RA |
| Evidence status | Currently under clinical investigation in a Phase 2 master protocol; no efficacy results yet | Supported by guideline-based use and extensive clinical experience in refractory SLE with nephritis and RA |
| Important limitations | Safety and efficacy are not yet established; the sequential dose structure adds complexity for interpretation | Often associated with side effects such as infection risk and may be insufficient in refractory cases |
| Patient impact | Not yet established, pending trial outcomes | Improves disease control and renal outcomes based on guideline-supported use |
Disclaimer: This comparison is created with the help of artificial intelligence(AI) and may contain errors or missing information. It is not medical advice and does not mean one option is better or safer than another. Clinical trials are still being studied, and joining a trial is your choice. Please consult your healthcare professional before making any decisions.
You may qualify if you...
You will not qualify if you...
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
Duration - Up to 52 weeks
Participants receive inebilizumab via intravenous infusion or blinatumomab via subcutaneous injection according to their assigned subprotocol and dose group.
Duration - Up to 52 weeks
Participants are monitored for treatment safety, disease activity, and antibody responses with scheduled visits during and after treatment.
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
NON_RANDOMIZED
Model
SEQUENTIAL
Primary Purpose
TREATMENT
Number of Arms
10
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Sabine Karam, Idris Boudhabhay, Kenar D Jhaveri
https://pubmed.ncbi.nlm.nih.gov/41979896/Amgen
Lead Sponsor