Pharmacokinetics and Safety of Vortioxetine in Pediatric Patients

Robert L. Findling, Adelaide S. Robb, Melissa DelBello, Michael Huss, Nora McNamara, Elias Sarkis, Russell Scheffer, Lis H. Poulsen, Grace Chen, Ole Michael Lemming, Johan Areberg, Philippe Auby

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: The primary objectives of this study were to evaluate the pharmacokinetics (PK) and tolerability of single and multiple doses of vortioxetine in children and adolescents with a depressive or anxiety disorder and to provide supportive information for appropriate dosing regimens for pediatric clinical trials. Methods: This prospective, open-label, multinational, multisite, multiple-dose trial enrolled 48 patients (children and adolescents; 1:1 ratio) divided into 8 cohorts (4 adolescent and 4 child), with each cohort including 6 patients. The cohorts in each age group were assigned to receive one of four dosing regimens: vortioxetine 5, 10, 15, or 20 mg q.d. for 14 days. The total treatment period lasted 14-20 days with patients in the higher dose cohorts uptitrated over 2-6 days. Plasma samples for PK analysis were obtained on the first and last days of dosing. Results: Among children and adolescents, respectively, 62% and 92% had depression and 58% and 33% had anxiety disorder. Comorbid attention-deficit/hyperactivity disorder (ADHD) was present in 50% of children and 38% of adolescents. After 14 days q.d. at the target dose, the PK of vortioxetine concentrations was generally proportional to the dose in both age groups. Exposure, as assessed by maximum plasma concentrations and area under the plasma concentration-time curve from time 0 to 24 hours, was 30%-40% lower in adolescents than in children. There was no significant relationship between sex, height, or ADHD diagnosis and PK parameters. Most adverse events were mild in severity and consistent with those seen in adults. Conclusion: The results suggest that the dosages of vortioxetine evaluated (5-20 mg q.d.; approved for treatment in adults) and the uptitration schedule used are appropriate for pediatric efficacy and safety trials.

Original languageEnglish (US)
Pages (from-to)526-534
Number of pages9
JournalJournal of child and adolescent psychopharmacology
Volume27
Issue number6
DOIs
StatePublished - Aug 2017

Keywords

  • adolescents
  • adverse events
  • antidepressant
  • children
  • dosing
  • pharmacokinetics
  • vortioxetine

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Psychiatry and Mental health
  • Pharmacology (medical)

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