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A pilot dose finding study of pioglitazone in autistic children

BACKGROUND: Pioglitazone is a promising compound for treatment of core autism spectrum disorder (ASD) symptoms as it targets multiple relevant pathways, including immune system alterations. OBJECTIVE: This pilot study aimed to elucidate the maximum tolerated dose, safety, preliminary evidence of eff...

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Detalles Bibliográficos
Autores principales: Capano, Lucia, Dupuis, Annie, Brian, Jessica, Mankad, Deepali, Genore, Lisa, Hastie Adams, Rianne, Smile, Sharon, Lui, Toni, Odrobina, Dina, Foster, Jane A., Anagnostou, Evdokia
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6258310/
https://www.ncbi.nlm.nih.gov/pubmed/30498564
http://dx.doi.org/10.1186/s13229-018-0241-5
Descripción
Sumario:BACKGROUND: Pioglitazone is a promising compound for treatment of core autism spectrum disorder (ASD) symptoms as it targets multiple relevant pathways, including immune system alterations. OBJECTIVE: This pilot study aimed to elucidate the maximum tolerated dose, safety, preliminary evidence of efficacy, and appropriate outcome measures in autistic children ages 5–12 years old. METHODS: We conducted a 16-week prospective cohort, single blind, single arm, 2-week placebo run-in, dose-finding study of pioglitazone. Twenty-five participants completed treatment. A modified dose finding method was used to determine safety and dose response among three dose levels: 0.25 mg/kg, 0.5 mg/kg, and 0.75 mg/kg once daily. RESULTS: Maximum tolerated dose: there were no serious adverse events (SAEs) and as such the maximum tolerated dose within the range tested was 0.75 mg/Kg once daily. Safety: overall, pioglitazone was well tolerated. Two participants discontinued intervention due to perceived non-efficacy and one due to the inability to tolerate interim blood work. Three participants experienced mild neutropenia. Early evidence of efficacy: statistically significant improvement was observed in social withdrawal, repetitive behaviors, and externalizing behaviors as measured by the Aberrant Behavior Checklist (ABC), Child Yale-Brown Obsessive Compulsive Scale (CY-BOCS), and Repetitive Behavior Scale–Revised (RBS-R). Forty-six percent of those enrolled were deemed to be global responders. CONCLUSIONS AND RELEVANCE: Pioglitazone is well-tolerated and shows a potential signal in measures of social withdrawal, repetitive, and externalizing behaviors. Randomized controlled trials using the confirmed dose are warranted. TRIAL REGISTRATION: ClinicalTrials.gov, NCT01205282. Registration date: September 20, 2010.  ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (10.1186/s13229-018-0241-5) contains supplementary material, which is available to authorized users.