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Updated: May 9, 2026

Trans-Tympanic Drug Delivery for the Treatment of Ototoxicity
Published on: March 16, 2018
Genetics of cisplatin ototoxicity: confirming the unexplained?
1Newcastle Cancer Centre at the Northern Institute for Cancer Research, Newcastle University, Newcastle upon Tyne, UK. alan.boddy@newcastle.ac.uk
Replication of pharmacogenetic findings is crucial. Specific gene variants (TPMT, COMT, ABCC3) predict cisplatin-induced ototoxicity, but further research is needed for prevention.
Area of Science:
- Pharmacogenetics
- Clinical Pharmacology
- Ototoxicity Research
Background:
- Replication is vital for validating findings in clinical pharmacogenetic studies.
- Previous research suggested a link between TPMT, COMT, and ABCC3 genotypes and cisplatin-induced ototoxicity.
Purpose of the Study:
- To confirm the predictive role of combined TPMT, COMT, and ABCC3 genotypes in cisplatin ototoxicity.
- To highlight the need for further mechanistic studies to develop preventive strategies.
Main Methods:
- Confirmation of previously reported genotype-phenotype associations.
- Analysis of clinical data linking genetic variations to treatment outcomes.
Main Results:
- The predictive value of combined TPMT, COMT, and ABCC3 genotypes for cisplatin ototoxicity was confirmed.
- The study reinforces the importance of these genetic markers in clinical settings.
Conclusions:
- The identified genetic markers are reliably associated with ototoxicity risk.
- Further investigation into the underlying mechanisms is necessary for clinical translation and ototoxicity prevention.
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Drug toxicity: Idiosyncratic Reactions
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Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu
Pharmacogenetics of Phase II Enzymes: N-acetyltransferase, Thiopurine S-methyltransferase, UDP-glucuronosyltransferase
