CYP2D6 genotypes in revolving door patients with bipolar disorders: A case series

Antonio Daniele, Davide Seripa, Madia Lozupone, Giuseppe Miscio, Eleonora Stella, Maddalena La Montagna, Carolina Gravina, Maria Urbano, Lazzaro Di Mauro, Antonio Greco, Giancarlo Logroscino, Francesco Panza, Antonello Bellomo

Risultato della ricerca: Contributo in rivistaArticolo in rivista

5 Citazioni (Scopus)

Abstract

RATIONALE: In psychiatric disorders, interindividual differences in cytochrome P450 (CYP)2D6 (CYP2D6) enzymatic activity could be responsible of adverse drug reactions (ADRs) and therapeutic failures (TFs) for CYP2D6-metabolized drugs, contributing to the periodical hospital readmissions of the revolving door (RD) condition.PATIENT CONCERNS: We investigated CYP2D6 genotypes in a controlled series of 5 consecutive RD patients with Bipolar Disorder (BD).DIAGNOSES: Psychiatric patients affected by Bipolar Disorder.INTERVENTIONS: We defined TFs as a difference at the Brief Psychiatric Rating Scale score ΔBPRS < 25% at each 1-week of stable treatment, and ADRs as the onset of extrapyramidal symptoms and/or metabolic impairment with weight gain.OUTCOMES: At 3 months, a mean number of 2.75 ± 1.26 ADR and a mean ΔBPRS score of 16.07 ± 0.05% were observed. At 6 months of follow-up, compared to the only patient without BD (ΔBPRS < 32.10%), BD patients (n = 4) showed TFs (ΔBPRS < 25%). CYP2D6 genotyping revealed intermediate metabolizer phenotypes for BD patients and an extensive metabolizer phenotype for the patient without BD. In BD patients, the ratio of drugs maintained/discontinued for TFs or ADRs was 1.75 for non-CYP2D6 versus 0.33 for CYP2D6 interacting drugs, while the proportion of ADR:TF was 0:4 versus 6:3.LESSONS: Our findings may suggest that CYP2D6 clinically relevant genotypes may be involved in the unwanted outcomes observed in RD patients with BD.
Lingua originaleEnglish
pagine (da-a)e11998-e11998
RivistaMEDICINE
Volume97
DOI
Stato di pubblicazionePubblicato - 2018

Keywords

  • Adult
  • Antipsychotic Agents
  • Bipolar Disorder
  • CYP2D6 polymorphisms
  • Cross-Sectional Studies
  • Cytochrome P-450 CYP2D6
  • Female
  • Genotype
  • Humans
  • Male
  • Medicine (all)
  • Middle Aged
  • Patient Readmission
  • Phenotype
  • Psychiatric Status Rating Scales
  • Treatment Failure
  • Weight Gain
  • adverse drug reaction
  • bipolar disorders
  • revolving door
  • therapeutic failure

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