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A Randomised Controlled Trial to Examine the Effectiveness of Oxytocin to Improve Treatment for Anorexia Nervosa

A Randomised Controlled Trial to Examine the Effectiveness of Oxytocin to Improve Treatment for Anorexia Nervosa

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12616000897460
Enrollment
61
Registered
2016-07-07
Start date
2017-01-23
Completion date
2019-06-01
Last updated
2026-08-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Brief summary

The main purpose of this study is to investigate the efficacy of intra-nasal oxytocin (IN-OT) as a single dose and in repeated dosage as an adjunct to nutritional rehabilitation in anorexia nervosa. We specifically want to determine the effects of IN-OT on weight gain, food-related anxiety, eating behaviour, core psychopathology eating concern, weight concern, shape concern and eating restraint) and cognitive rigidity additional to the effect of weight gain over 28 days then to assess these effects at six months follow up along with changes in body mass index (BMI) and health service utilisation.

Interventions

Daily dosing (28 days) of intra-nasal oxytocin (36 IU/day). Each dose session (one spray in each nostril, morning and night) will be monitored by a nurse using a dose diary and at the end of the trial the used vials will be collected and stored for future use to analyze unused contents (if necessary).

Sponsors

University of Sydney
Lead SponsorUniversity

Study design

Allocation
Randomised controlled trial
Intervention model
Parallel
Primary purpose
Treatment
Masking
Blinded (masking used) (Subject, Caregiver, Outcomes Assessor)

Eligibility

Sex/Gender
All
Age
16 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

Anorexia nervosa requiring treatment in hospital for re-feeding

Exclusion criteria

Current mania, psychosis, acute suicidality or drug dependence, severe medical comorbidity or major septal deviation to interfer with nasal delivery, currently pregnant, or Treated under the Mental health Act or Compulsory Treatment Orders (CTO)

Outcome results

None listed

Source: ANZCTR · Data processed: Aug 31, 2026