Related Experiment Video
Updated: Jun 11, 2026

An Adoptive Transfer Model of Rheumatoid Arthritis in Mice
Published on: June 6, 2025
Tocilizumab for rheumatoid arthritis.
Jasvinder A Singh1, Saba Beg, Maria Angeles Lopez-Olivo
1Department of Medicine, Birmingham VA Medical Center, Faculty Office Tower 805B, 510 20th Street South, Birmingham, USA, AL 35294.
Tocilizumab effectively reduces rheumatoid arthritis (RA) disease activity and improves function. However, it is associated with increased adverse events and cholesterol levels, necessitating further safety research.
Area of Science:
- Immunology
- Rheumatology
- Pharmacology
Background:
- Tocilizumab is an interleukin-6 inhibitor approved for rheumatoid arthritis (RA) treatment.
- This systematic review evaluates tocilizumab's efficacy and safety in RA patients.
Purpose of the Study:
- To assess the efficacy and safety of tocilizumab in RA patients.
- Utilizing data from published randomized or quasi-randomized controlled trials (RCTs).
Main Methods:
- Systematic review of eight RCTs involving 3334 participants.
- Data extraction included efficacy (ACR50, DAS remission, HAQ/mHAQ) and safety outcomes.
- Risk ratios and mean differences were calculated for dichotomous and continuous outcomes, respectively.
Main Results:
- Tocilizumab significantly improved ACR50, DAS remission, and HAQ/mHAQ scores compared to placebo in RA patients on methotrexate.
- Patients receiving tocilizumab showed a higher incidence of adverse events but were less likely to withdraw from therapy.
- Elevated cholesterol and triglyceride levels were observed in tocilizumab-treated patients; no significant differences in serious adverse events or withdrawals due to adverse events were noted.
Conclusions:
- Tocilizumab demonstrates significant benefits in reducing RA disease activity and enhancing patient function.
- Treatment with tocilizumab is linked to increased adverse events and lipid levels.
- Further large-scale safety studies are required to fully address the safety profile of tocilizumab in RA management.
Related Concept Videos
Drugs for Treatment of Crohn's Disease in IBD Using Biologic Agents: Anti-TNF
Drugs for Treatment of Crohn's Disease in IBD Using Immunomodulatory Agents
Drugs for Treatment of Crohn's Disease in IBD Using Glucocorticoids
Drugs for Treatment of Ulcerative Colitis in IBD
Inflammatory Bowel Disease IV: Pharmacological Management
Pharmacologic...
Antiasthma Drugs: Leukotriene Modifiers
Leukotriene modifiers work through two distinct mechanisms:
