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J Pers Med. 2020 Dec 18;10(4). doi: 10.3390/jpm10040289.

Application of a Pharmacogenetics-Based Precision Medicine Model (5SPM) to Psychotic Patients That Presented Poor Response to Neuroleptic Therapy.

Journal of personalized medicine

Lorena Carrascal-Laso, Manuel Ángel Franco-Martín, María Belén García-Berrocal, Elena Marcos-Vadillo, Santiago Sánchez-Iglesias, Carolina Lorenzo, Almudena Sánchez-Martín, Ignacio Ramos-Gallego, M Jesús García-Salgado, María Isidoro-García, Chu, Schlegel, Quek, Christy

Affiliations

  1. Servicio de Psiquiatría, Hospital Provincial de Zamora, IBSAL, 49071 Zamora, Spain.
  2. Farmacogenética y Medicina de Precisión, Servicio de Bioquímica, Hospital Universitario de Salamanca, IBSAL, 37007 Salamanca, Spain.
  3. Servicio de Psiquiatría, Hospital Universitario de Salamanca, IBSAL, 37007 Salamanca, Spain.
  4. Pharmacogenetics Unit, Pharmacy Department, University Hospital Virgen de las Nieves, UGC Provincial de Farmacia de Granada, Avda, Fuerzas Armadas, 18014 Granada, Spain.
  5. Departamento de Fisiología y Farmacología, Universidad de Salamanca, 37007 Salamanca, Spain.
  6. Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain.

PMID: 33352925 PMCID: PMC7767089 DOI: 10.3390/jpm10040289

Abstract

Antipsychotics are the keystone of the treatment of severe and prolonged mental disorders. However, there are many risks associated with these drugs and not all patients undergo full therapeutic profit from them. The application of the 5 Step Precision Medicine model(5SPM), based on the analysis of the pharmacogenetic profile of each patient, could be a helpful tool to solve many of the problematics traditionally associated with the neuroleptic treatment. In order to solve this question, a cohort of psychotic patients that showed poor clinical evolution was analyzed. After evaluating the relationship between the prescribed treatment and pharmacogenetic profile of each patient, a great number of pharmacological interactions and pharmacogenetical conflicts were found. After reconsidering the treatment of the conflictive cases, patients showed a substantial reduction on mean daily doses and polytherapy cases, which may cause less risk of adverse effects, greater adherence, and a reduction on economic costs.

Keywords: antipsychotic agents; cytochrome P-450 enzyme system; pharmacogenetics; precision medicine; psychotic disorders

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