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Назив: Cigarette smoking and heavy coffee consumption affecting response to olanzapine: The role of genetic polymorphism
Аутори: Djordjevic, Natasa
Radmanovic, Branimir
Cukić Jelena
Baskic, Dejan
Djukić Dejanović, Slavica
Milovanovic, Dragan
Aklillu E.
Датум издавања: 2020
Сажетак: © 2019, © 2019 Informa UK Limited, trading as Taylor & Francis Group. Objectives: To evaluate the effect of cigarette smoking and heavy coffee consumption on efficacy and safety of olanzapine treatment in schizophrenia patients, in relation to genetic polymorphism. Methods: The study involved 120 patients with schizophrenia, treated with olanzapine for 30 days. Therapy efficacy was determined using three different psychiatric scales, and safety by assessing metabolic adverse effects and extrapyramidal symptoms. Genotyping included CYP1A2*1C, CYP1A2*1F and CYP1A1/1A2 intergenic polymorphism, as well as CYP2D6*3, CYP2D6*4 and CYP2D6*6. Results: Cigarette smoking and heavy coffee consumption decreased the efficacy and increased the safety of olanzapine treatment (P < 0.001). Although the effect was detected only in carriers of CYP1A2*1F allele, covariate analysis revealed that it is independent of CYP1A2 genotype. Olanzapine dose was inversely correlated with the drug efficacy (P ≤ 0.002) and LDL level (P = 0.004). Women and older subjects responded better to therapy (P < 0.026), but had more certain adverse effects (P ≤ 0.049). When controlling for other relevant factors, CYP2D6 metabolizer status affects olanzapine efficacy (P = 0.032). Conclusions: We confirm the effect of cigarette smoking and heavy coffee consumption on olanzapine efficacy and safety. The relevance of CYP1A2 genotype for the described effect needs further investigation. Olanzapine treatment outcome is also affected by dose, sex, age and CYP2D6 metabolizer status.
URI: https://scidar.kg.ac.rs/handle/123456789/12929
Тип: article
DOI: 10.1080/15622975.2018.1548779
ISSN: 1562-2975
SCOPUS: 2-s2.0-85060235282
Налази се у колекцијама:Faculty of Medical Sciences, Kragujevac

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