About this trial
This is a randomized, double blind, placebo-controlled study of the effects of intranasal oxytocin on bone health in children with autism spectrum disorder, ages 6-18 years old. Subjects will be randomized to receive intranasal oxytocin or placebo (30 IU, 2 times daily) for 12 months in the double-blind phase, followed by a 6-month open label phase during which all study subjects will receive intranasal oxytocin (30 IU, 2 times daily). Study visits include screening to determine eligibility, followed by study visits at baseline, week 2, and months 6, 12, 18 and phone calls every two weeks for the first two months and monthly thereafter for the duration of the study. Study assessments include history and physical examinations, anthropometric measurements, electrocardiogram (EKG), adverse event monitoring, laboratory tests for chemistries, hormones and biomarkers for bone metabolism, questionnaires regarding diet and exercise, and imaging to assess body composition, bone density and structure.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Ages 6 to 18 years old at Randomization
BMI greater than or equal to the 5th percentile
Expert clinical diagnosis of ASD
Availability of parent/guardian to provide informed consent
Disqualifiers
Fragile X, tuberous sclerosis, William's syndrome, Angelman's syndrome, Noonan syndrome, and other single gene defects that are syndromic and affect heart or bone density
Other conditions that may contribute to low bone density (e.g., hypogonadism)
Medications that may impact bone other than calcium or vitamin D supplementation, other than calcium or vitamin D supplementation, such as specific anti-seizure medications (Phenytoin, Phenobarbital), oral glucocorticoids, hormonal contraceptive injection (Medroxyprogesterone acetate (Depo-Provera)
Hyponatremia
Trial design
Parallel
Treatments tested in this trial
1. Intranasal oxytocin spray
Drug30 IU, twice daily for 12 months in the experimental arm in double-blinded phase
2. Intranasal placebo spray
Drug30 IU, twice daily for 12 months in the placebo comparator arm in double-blinded phase
3. Intranasal Oxytocin spray
Drug30 IU, twice daily for 6 months in both experimental and placebo comparator arm in open-label phase
Treatment groups
Trial outcomes
Primary outcomes
Difference between IN OXT vs placebo in 12-month change in whole body less head BMD Z-scores.
Secondary outcomes
Difference between IN OXT vs placebo in 12-month change in areal BMD Z-score at the femoral neck.
Difference between IN OXT vs placebo in 12-month change in radial and tibial cortical area and radial trabecular thickness.
Difference between IN OXT vs placebo in 12-month change in radial and tibial failure load.
Difference between IN OXT vs placebo in 12-month change in bone turnover markers, cortisol.
Sponsors and contacts
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Elizabeth Austen Lawson
Lead sponsor
Massachusetts General Hospital
Sponsor institution
United States Department of Defense
Collaborator
University of Virginia
Collaborator