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NCT05934812

PHASE2

Intranasal Oxytocin in Youth With Autism

Sponsor: Oslo University Hospital

View on ClinicalTrials.gov

Summary

Growing evidence demonstrates the critical contribution of the neuropeptide oxytocin in the development and maintenance of autism, due to its role in social behaviour and learning processes. While some preliminary findings in oxytocin administration trials have been promising, a complete understanding of the effects of long-term oxytocin administration in autism remains elusive, as participant numbers in oxytocin administration studies in autism have been small, most studies exclusively recruit males, and reproducibility has been inconsistent. To address this critical knowledge gap, this project will include a double-blind, placebo-controlled, randomized controlled crossover trial of a four-week intranasal oxytocin treatment (24 international units, twice-daily) in 128 male and female youth with ASD aged 12-20, with social and repetitive behaviors as primary outcome measures. The investigators predict that intranasal oxytocin treatments will increase performance on social behavior measures and reduce repetitive behaviors using caregiver-reported measures. Along with the investigation of oxytocin's long-term effects, the investigators will also assess the impact of oxytocin administration on computer-based laboratory tasks that can precisely measure how participants process social cues and disengage with repetitive behaviours. In addition, an electrocardiogram will be collected to evaluate the impact of oxytocin administration on parasympathetic nervous system activity.

Official title: A Randomized, Placebo-controlled, Double-blind, 2-period Cross-over Study in Youth With Autism Spectrum Disorders Evaluating Social and Repetitive Behaviors After Four Weeks of Twice Daily-doses of 24IU of Intranasally Administered Oxytocin

Key Details

Gender

All

Age Range

12 Years - 20 Years

Study Type

INTERVENTIONAL

Enrollment

128

Start Date

2024-09-18

Completion Date

2025-11-04

Last Updated

2024-06-24

Healthy Volunteers

Conditions

Autism Spectrum Disorder

Interventions

DRUG

Oxytocin nasal spray

24IU oxytocin liquid delivered with a pump-actuated nasal spray device, administered twice-daily

DRUG

Placebo

Placebo liquid nasal spray administered twice-daily

Inclusion Criteria: 1. Male and female participants between the ages of 12 and 20, both inclusive, with a confirmed diagnosis of autism spectrum disorder (ASD) diagnosis as per the ADOS/ADI. 2. Participants must be in good general physical health, as determined by the investigator. 3. Participant's pre-study physical examination and vital signs must not show any clinically significant abnormalities as determined by the investigator. 4. Participants and caregivers must be able to communicate well with the investigator, to understand and comply with the requirements of the study, and to understand the oral and written study information Exclusion Criteria: 1. Previous nasal disease, surgery, and dependence on inhaled drugs. 2. Current significant nasal congestion due to common colds. 3. Clinically relevant history of significant hepatic, renal, endocrine, cardiac, nervous, pulmonary, haematological or metabolic disorder. 4. Systemic illness requiring treatment within 2 weeks prior to Study Day 1. 5. Full scale IQ \< 70 (due to the prerequisite ability to complete self-report measures). 6. Known allergic reactions or hypersensitivity to any component of the study medication in the nasal spray, such as propyl parahydroxybenzoate (E216), methyl parahydroxybenzoate (E218) and chlorobutanol hemihydrate. 7. Known allergic reactions or hypersensitivity/intolerance to latex 8. Currently breastfeeding 9. Pregnancy (self-reported or assessed by pregnancy test prior to the first administration at Experimental session 1 and 2 for all menstruating females) 10. Participation in any (other) clinical trial with an investigational medicinal product or medical device within 3 months prior to randomisation. 11. New concomitant medications or formal cognitive/behavioral therapies. If a participant has been taking any medications or receiving formal cognitive/behavioral therapies for at least 4 weeks, then this is not considered a new therapy. 12. Other unspecified reasons that, in the opinion of the investigator or the sponsor make the participants unsuitable for enrolment.

Locations (1)

Ullevål Hospital

Oslo, Norway