Related Experiment Video
Updated: May 2, 2026

Analysis of Human T Cell Activity in an Allogeneic Co-Culture Setting of Pre-Treated Tumor Cells
Published on: March 7, 2025
Stopping, continuing, or restarting immunomodulators and biologics when an infection or malignancy develops
Jason M Swoger1, Miguel Regueiro
1Inflammatory Bowel Disease Center, Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.
Thiopurines and biologics are increasingly used for inflammatory bowel disease. This review offers guidance on managing infections and cancers by advising when to stop or restart these immunosuppressants.
Area of Science:
- Gastroenterology and Hepatology
- Immunosuppressive Therapy
- Inflammatory Bowel Disease Management
Background:
- Thiopurines and biologics are frequently used for Crohn's disease and ulcerative colitis.
- While generally well-tolerated, these immunosuppressants carry risks of serious infections and cancers.
- Clinical guidance is lacking on managing treatment complications.
Purpose of the Study:
- To review infectious and malignant complications associated with thiopurine and biologic therapy.
- To provide evidence-based recommendations for continuing, stopping, and restarting these medications.
- To aid physicians in managing treatment-related adverse events in IBD patients.
Main Methods:
- Literature review of infectious and malignant complications.
- Analysis of data to inform management strategies.
- Development of recommendations for clinical practice.
Main Results:
- Identified key infectious and malignant risks associated with thiopurines and biologics.
- Outlined criteria for medication cessation and reintroduction.
- Emphasized the need for individualized patient care.
Conclusions:
- Physicians need clear guidance on managing complications from thiopurines and biologics.
- Recommendations support informed decision-making for IBD treatment.
- This review aims to supplement, not replace, clinical judgment.
Related Concept Videos
Drugs for Treatment of Crohn's Disease in IBD Using Immunomodulatory Agents
Tumor Immunotherapy
Immunodeficiency Diseases
There are three main causes of immunodeficiency...
Inflammatory Bowel Disease IV: Pharmacological Management
Pharmacologic...
Drugs for Treatment of Crohn's Disease in IBD Using Biologic Agents: Anti-TNF
Cell-mediated Immune Responses

