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Updated: Jun 7, 2025

Trans-Tympanic Drug Delivery for the Treatment of Ototoxicity

Trans-Tympanic Drug Delivery for the Treatment of Ototoxicity

Published on: March 16, 2018

Predictive model for aminoglycoside induced ototoxicity.

Adebolajo A Adeyemo^1,2, Josephine Adeolu¹, Joshua O Akinyemi³

¹Institute of Child Health, College of Medicine, University of Ibadan, Ibadan, Nigeria.

Frontiers in Neurology

|November 18, 2024

Summary

This summary is machine-generated.

Aminoglycoside ototoxicity, a significant risk of hearing loss, can now be predicted in the general population. A new model identifies age, cumulative dosage, and baseline hearing as key predictors, improving clinical care.

Keywords:

aminoglycosides model validation ototoxicity predictive model tuberculosis

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Area of Science:

Pharmacology and Toxicology
Otolaryngology
Biostatistics

Background:

Aminoglycoside antibiotics are associated with irreversible hearing loss, a critical adverse effect.
Accurate prediction of aminoglycoside-induced ototoxicity remains a significant clinical challenge.
This study aimed to develop a predictive model for aminoglycoside ototoxicity applicable to the general population.

Purpose of the Study:

To develop and validate a predictive model for aminoglycoside ototoxicity.
To identify key clinical and audiological predictors of ototoxicity in patients receiving Streptomycin-based anti-tuberculosis therapy.

Main Methods:

A prospective cohort of 153 adults treated with Streptomycin for non-drug-resistant tuberculosis was studied.
High-frequency pure-tone audiometry was performed regularly to assess hearing changes.
Logistic regression was used to develop a prediction model incorporating variables such as age, cumulative dosage, and baseline pure tone average (PTA).

Main Results:

Ototoxicity was observed in 35% of the participants.
Age, cumulative Streptomycin dosage, and baseline PTA were identified as significant predictors of ototoxicity.
The developed model demonstrated good discriminatory ability with an area under the receiver operating characteristic curve of 0.84 for training and 0.79 for validation.

Conclusions:

A validated prediction model for aminoglycoside ototoxicity has been developed.
This model, utilizing age, cumulative dosage, and baseline PTA, can aid in predicting ototoxicity risk in the general population.
The findings can improve clinical management and patient counseling regarding aminoglycoside therapy.