Related Experiment Video
Updated: Jul 13, 2026

An Adoptive Transfer Model of Rheumatoid Arthritis in Mice
Published on: June 6, 2025
[Targeting CD20 in rheumatoid arthritis].
Kazuyoshi Saito1, Yoshiya Tanaka
1The First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health.
Treatment with rituximab, a CD20 antibody, offers significant relief for rheumatoid arthritis (RA) patients who have not responded to tumor necrosis factor (TNF) blockers. This therapy shows high efficacy and tolerability in managing refractory RA.
Area of Science:
- Immunology
- Rheumatology
Context:
- Rheumatoid arthritis (RA) is an autoimmune condition causing joint inflammation and bone damage.
- Current treatments like methotrexate and TNF blockers are effective but not for all patients.
- Patients refractory to TNF blockers lack established treatment options.
Purpose:
- To evaluate the efficacy and tolerability of CD20 antibody therapy in patients with RA who failed previous anti-TNF treatments.
Summary:
- Rituximab, an anti-CD20 monoclonal antibody, was administered to patients with active, long-standing RA and inadequate response to anti-TNF therapies.
- Concomitant methotrexate therapy was used.
- Significant and clinically meaningful improvements in disease activity were observed.
Impact:
- CD20 antibody therapy, such as rituximab, presents a viable and effective treatment option for refractory RA.
- This finding addresses an unmet need in managing patients with severe RA who have exhausted other treatment avenues.
- The study supports the use of rituximab for its excellent tolerability and high efficacy in this patient population.
Related Concept Videos
Drugs for Treatment of Crohn's Disease in IBD Using Immunomodulatory Agents
T Cell Types and Functions
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
Drugs for Treatment of Crohn's Disease in IBD Using Biologic Agents: Anti-TNF
Drugs for Treatment of Crohn's Disease in IBD Using Glucocorticoids

