NCT03846739

Dose-dependent Effects of Oxytocin on the Amygdala and Reward System

Dose-dependent Effects of Oxytocin on the Amygdala and Reward System Vary Between Women and Men

• Status: Completed
• Phase: Phase 1
• Study type: Interventional
• Enrollment: 92 (actual)
• Sponsor: University Hospital, Bonn · Academic / Other
• Sex: Female
• Age: 18 Years – 40 Years
• Healthy volunteers: Accepted

Summary

The purpose of this study is to determine whether effects of intranasal oxytocin on amygdala and reward system responses vary as a function of treatment dose in women in comparison to men.

Detailed description

The objective of the present study is to determine whether intranasal oxytocin (IN-OXT) effects on blood oxygenation level-dependent functional magnetic resonance imaging (BOLD fMRI) in the amygdala and striatal regions (putamen, nucleus accumbens, caudate, pallidum) vary as a function of dose. In particular, the investigators plan to compare effects of three different IN-OXT doses (6, 12, and 24 international units, IU) on established neural and behavioural correlates of emotion processing in women. Results will be discussed in comparison to a previous study of OXT kinetics in men.

Conditions

• Healthy

Interventions

Type	Name	Description
DRUG	Oxytocin nasal spray	Intranasal administration, 6, 12, or 24 international units (IU) oxytocin.
DRUG	Placebo	The placebo nasal sprays contain identical ingredients except for the peptide itself.

Timeline

• Start date: 2017-04-03
• Primary completion: 2018-12-31
• Completion: 2018-12-31
• First posted: 2019-02-20
• Last updated: 2019-02-28

Locations

1 site across 1 country: Germany