title: Multiple-dose pharmacokinetics of fluvoxamine in children and adolescents.
abstract: OBJECTIVE
  To determine the pharmacokinetics of fluvoxamine in children and adolescents and to compare pharmacokinetic data from adolescents to adults from a previous study.
  
  
  METHODS
  Fluvoxamine was titrated to a target dose of 100 mg b.i.d. in children (6-11 years) and 150 mg b.i.d. in adolescents (12-17 years) with obsessive-compulsive disorder or other disorder requiring fluvoxamine treatment. Serum samples were collected over 12 hours after 12 or more consecutive doses of 25, 50, 100, and 150 mg.
  
  
  RESULTS
  Sixteen children (seven females, nine males) and 18 adolescents (nine females, nine males) were included in the pharmacokinetic analyses. Children demonstrated higher mean peak plasma concentration, higher mean area under the plasma concentration-time curve, and lower apparent oral clearance compared with adolescents. Compared with male children, female children had higher mean area under the plasma concentration-time curve, higher mean peak plasma concentration, and more reports of adverse events. However, the area under the plasma concentration-time curve was not directly correlated with frequency or severity of adverse events. Pharmacokinetics were nonlinear over the dose range studied. No pharmacokinetic differences were apparent between adolescents and adults on 150 mg b.i.d.
  
  
  CONCLUSIONS
  These pharmacokinetic results suggest that children (especially females) have a higher exposure to fluvoxamine than adolescents, whereas adolescents and adults appear to have similar exposure to fluvoxamine.
authors.affiliation: Johns Hopkins Medical Institutions, Baltimore, USA. labellartemd@earthlink.net
authors.forename: Michael
authors.initials: M
authors.lastname: Labellarte
authors.forename: Joseph
authors.initials: J
authors.lastname: Biederman
authors.forename: Graham
authors.initials: G
authors.lastname: Emslie
authors.forename: James
authors.initials: J
authors.lastname: Ferguson
authors.forename: Arifulla
authors.initials: A
authors.lastname: Khan
authors.forename: Jon
authors.initials: J
authors.lastname: Ruckle
authors.forename: Randy
authors.initials: R
authors.lastname: Sallee
authors.forename: Mark
authors.initials: M
authors.lastname: Riddle
mesh_terms: D000293:Adolescent; D014151:Anti-Anxiety Agents / Q000008:administration & dosage* / Q000493:pharmacokinetics* / Q000627:therapeutic use; D001008:Anxiety Disorders / Q000097:blood* / Q000188:drug therapy*; D002648:Child; D019389:Cytochrome P-450 CYP2D6 / Q000378:metabolism; D004305:Dose-Response Relationship, Drug; D004334:Drug Administration Schedule; D005260:Female; D016666:Fluvoxamine / Q000008:administration & dosage* / Q000493:pharmacokinetics* / Q000627:therapeutic use; D006801:Humans; D008297:Male; D009771:Obsessive-Compulsive Disorder / Q000097:blood* / Q000188:drug therapy*
chemical_list: D014151:Anti-Anxiety Agents; D019389:Cytochrome P-450 CYP2D6; D016666:Fluvoxamine