Brain Imaging of Intranasal Oxytocin Treatment in Autism

Status Completed

Clinical Trial Summary

This is a 4 part study:

Phase 1a. -functional magnetic resonance imaging (fMRI) ( with oxytocin 24 IU vs. placebo = oxytocin 0 IU) - funded by grant #U54 HD079124-01, Phase 1b-eye-tracking(oxytocin 24 IU vs. placebo = oxytocin 0 IU), Phase 2a. fMRI (oxytocin 8 IU vs. oxytocin 40IU), Phase 2b. -eye-tracking (oxytocin 8IU vs. oxytocin 40IU). Time course of effect will also be assessed within session.

Clinical Trial Description

We hypothesize that intranasal oxytocin treatment (OT) of individuals with an autism spectrum disorder (ASD) will:

Hypothesis 1a. will produce greater increases in Ventral Tegmental Area (VTA) and Nucleus Accumbens (NAc) activation during social reward anticipation compared to placebo, providing evidence that OT increases activation in brain regions critical for social motivation. (NICHD funding for this section/aim- Dr. Joe Piven -U54 HD079124-01)

Hypothesis 1b. will spend proportionally more time attending to the social image on a screen vs. the non-social image compared to placebo.

Hypothesis 2a. will produce differential effects in VTA and NAc activation during social reward anticipation compared with the oxytocin 8 IU vs. oxytocin 40 IU dose, providing evidence that OT dose-dependently increases activation in brain regions critical for social motivation.

Hypothesis 2b. will differentially attend to the social image on a screen vs. the non-social image compared in the oxytocin 8 IU vs. oxytocin 40 IU dose, providing evidence that OT dose-dependently changes the value of social stimuli. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01945957
Study type	Interventional
Source	University of North Carolina, Chapel Hill
Contact
Status	Completed
Phase	Phase 1
Start date	September 2014
Completion date	January 2017

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