Scoping review maps evidence on pharmacogenomics and its impact on psychotropic medication tapering strategies.
<ns3:p>Introduction Discontinuation of psychotropic medication is associated with considerable clinical challenges, including withdrawal symptoms and relapse. Pharmacogenomic testing is increasingly used in clinical practice to optimise pharmacotherapy by guiding drug selection and dosing, however, its role in informing medication discontinuation and tapering strategies remains underexplored. Understanding the influence of genetic variability on withdrawal symptoms could support safer, individualised discontinuation practices. Objective This scoping review aims to map the available evidence on the role of pharmacogenomics on the discontinuation of psychotropic medications. Methods The review will be conducted in accordance with the Joanna Briggs Institute (JBI) methodology for scoping reviews and reported using the PRISMA-ScR checklist. Comprehensive searches will be performed in MEDLINE, EMBASE, CINAHL, Web of Science, and PsycINFO. Studies exploring gene polymorphisms relevant to the discontinuation of psychotropic medications (antidepressants, antipsychotics, mood stabilisers, anxiolytics, hypnotics, stimulants, and opioids) will be considered. Following screening, data will be extracted, and a narrative synthesis will be undertaken to map characteristics of included studies, genes studied, medication classes involved, reported outcomes, and knowledge gaps. Conclusion This review will provide an overview of existing evidence and identify gaps regarding the role of pharmacogenomics in psychotropic medication discontinuation. The findings will help to inform future research on the integration of pharmacogenomics into individualised tapering strategies.</ns3:p>
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Stollárová et al. (2026) studied this question.
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