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Delayed drug hypersensitivity to anti-tuberculosis drug: a new desensitization scheme
İsmet Bulut1, Zeynep Yegin Katran1, Aylin Babalık2
1Department of Allergy and Immunology, University of Health Sciences, Süreyyapaşa Training and Research Hospital, Istanbul, Turkey.
Drug hypersensitivity in tuberculosis treatment can be managed with desensitization. This study found successful desensitization in 46.3% of patients, enabling treatment completion for 73.2% with first-line tuberculosis drugs.
Area of Science:
- Infectious Diseases
- Immunology
- Pharmacology
Background:
- Tuberculosis (TB) is a leading cause of death, particularly in developing nations.
- Drug hypersensitivity complicates TB treatment, necessitating careful management.
- First-line anti-TB drugs are crucial for successful treatment outcomes.
Purpose of the Study:
- To determine the prevalence of delayed-type hypersensitivity reactions to anti-TB drugs.
- To evaluate the effectiveness of desensitization protocols for managing drug hypersensitivity.
- To identify appropriate treatment strategies for TB patients experiencing hypersensitivity.
Main Methods:
- Retrospective analysis of 41 tuberculosis cases.
- Evaluation of demographic data, clinical signs, reaction timing, and desensitization regimens.
- Assessment of treatment outcomes including cure and completion rates.
Main Results:
- Maculopapular drug eruption was the most common skin finding.
- Rifampicin was the most frequent cause of hypersensitivity reactions.
- Successful desensitization was achieved in 46.3% of cases, with 73.2% completing treatment.
Conclusions:
- Desensitization is a viable strategy for managing delayed-type hypersensitivity to anti-TB drugs.
- This study presents one of the largest series recommending a desensitization scheme.
- A practical and accessible desensitization protocol was shared.
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