Related Experiment Video
Updated: May 6, 2026

Author Spotlight: Genetic Profiling for Fluorouracil Response in Gastric Cancer
Published on: May 10, 2024
Thiopurine toxicity.
Kl de Wit1, Be White, D Goldsmith
1Academic FY2 in the Department of Medicine, Guys and St Thomas NHS Foundation Trust, London.
Thiopurines, developed in 1953, are crucial immunosuppressant and antineoplastic drugs. They are vital for treating leukemia and preventing organ transplant rejection.
Area of Science:
- Pharmacology and Medicine
- Immunology
- Oncology
Background:
- Thiopurines represent a significant class of drugs with dual immunosuppressant and antineoplastic properties.
- Their development by Gertrude Elion and George Hitchings marked a milestone in medical treatment.
Purpose of the Study:
- To highlight the historical development and key applications of thiopurine drugs.
- To underscore their role in managing leukemia and preventing transplant rejection.
Main Methods:
- Historical review of drug development and patent information.
- Analysis of clinical applications based on existing literature.
Main Results:
- Thiopurines were patented in 1953.
- Initial use targeted leukemia treatment.
- Subsequent application extended to preventing transplant rejection.
Conclusions:
- Thiopurines have a well-established history in medicine.
- Their efficacy in treating leukemia and preventing transplant rejection is clinically significant.
Related Concept Videos
Pharmacogenetics of Phase II Enzymes: N-acetyltransferase, Thiopurine S-methyltransferase, UDP-glucuronosyltransferase
Drug Toxicity: Dose-Dependent Reactions
Drug toxicity: Idiosyncratic Reactions
Pharmacogenetics of Drug Targets: β₂-Adrenergic Receptors, Apo E, Thymidylate Synthase
Drug Toxicity: Risk factors
Drug Toxicity: Overview

