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Phenotypic factors associated with amisulpride-induced weight gain in first-episode psychosis patients (from the OPTiMiSE cohort)

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningfagfællebedømt

Dokumenter

  • R. Pandit
  • D. Cianci
  • S. E. ter Hark
  • I. Winter-van Rossum
  • Ebdrup, Bjørn
  • B. V. Broberg
  • M. P. Garcia-Portilla
  • J. Bobes
  • C. H. Vinkers
  • R. S. Kahn
  • S. Guloksuz
  • A. D.R. Huitema
  • J. J. Luykx

Objective: Antipsychotic-induced weight gain (AiWG) is a debilitating adverse effect of most antipsychotics. First-episode psychosis patients are particularly vulnerable to the detrimental consequences of AiWG. Amisulpride has good efficacy and tolerability. We here aimed to identify the phenotypic factors associated with amisulpride-induced weight gain in first-episode psychosis patients. Method: Data were collected from the Optimization of Treatment and Management of Schizophrenia in Europe trial. Multivariable regression models with various phenotypic variables (N = 305) were performed with absolute AiWG and clinically relevant AiWG (≥7% AiWG) as outcomes. Results: Four weeks of amisulpride treatment increased body weight from 69.7 to 72.4 kg (P < 0.001). In the regression model of absolute AiWG, unemployment (β = 0.94, P = 0.016), younger age (β = −0.07, P = 0.031) and absence of current comorbid major depression disorder (β = −1.61, P = 0.034) were positively associated with absolute AiWG. In the regression model of clinically relevant AiWG, unemployment (OR = 2.83, P = 0.001), schizophreniform disorder (OR = 2.00, P = 0.025) and low baseline weight (OR = 0.97, P = 0.032) increased the likelihood of clinically relevant AiWG. Conclusions: Clinicians prescribing amisulpride should consider the relatively high susceptibility to AiWG in unemployed first-episode patients with psychosis, in particular young subjects with a diagnosis of schizophreniform disorder. We advise to carefully monitor these patients and, when needed, implement weight-reducing strategies.

OriginalsprogEngelsk
TidsskriftActa Psychiatrica Scandinavica
Vol/bind140
Udgave nummer3
Sider (fra-til)283-290
ISSN0001-690X
DOI
StatusUdgivet - 2019

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