INtranasal OXyTocin for the Treatment of Autism Spectrum Disorders (INOXT)

E

Evdokia Anagnostou

Status and phase

Completed
Phase 2

Conditions

Autism Spectrum Disorder

Treatments

Drug: Intranasal Oxytocin
Drug: Placebo

Study type

Interventional

Funder types

Other

Identifiers

NCT01788072
INOXT-10-2013

Details and patient eligibility

About

There is substantial evidence from animal model and healthy control data, that oxytocin is involved in the modulation of social cognition. In addition, recent genetics and plasma level studies suggest a possible role for oxytocin in the pathophysiology of Autism Spectrum Disorders (ASD). As a large number of children with ASD are transitioning into adulthood and will likely require treatment, the lack of data to make meaningful treatment recommendations to facilitate adult living is an urgent issue. This study will examine the effect of intranasal oxytocin (IN-OXT) on social function in adults with ASD. It is hypothesized that IN-OXT will be superior to placebo in improving social function by the end of study treatment.

Enrollment

70 patients

Sex

All

Ages

18 to 45 years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria

  1. Male or female outpatients 18-45 years of age, inclusive
  2. Meet Diagnostic and Statistical Manual of Mental Disorders. Diagnostic and Statistical Manual (DSM-V) criteria will be established by a clinician with expertise with individuals with ASD. Best estimate Diagnosis will be reached using DSM-V criteria, the Autism Diagnostic Observation Schedule (ADOS) and the Autism Diagnostic Interview (ADI-R).
  3. Have a Clinical Global Impression-Severity (CGI-S) score ≥ 4 (moderately ill) at Screening.
  4. Verbal scale Intelligence Quotient (IQ) ≥ 70
  5. If already receiving stable concomitant medications affecting behavior, have stable regimens with no changes during the preceding 1 month prior to Screening (with the exception of fluoxetine, where a period of 6 weeks is needed), and will not electively initiate new or modify ongoing medications for the duration of the study
  6. If already receiving stable non-pharmacological educational, behavioral, and/or dietary interventions, have continuous participation during the preceding 3 months prior to Screening, and not electively initiate new or modify ongoing interventions for the duration of the study
  7. Have normal physical examination and laboratory test results at screening. If abnormal, the finding(s) must be deemed clinically insignificant by the Treating Clinician.
  8. Ability to speak and understand English sufficiently to allow for the completion of all study assessments
  9. Ability to obtain written informed consent from the subject (if developmentally appropriate), or ability to obtain written informed consent from their surrogate decision maker (SDM), if the subject is unable to provide consent.

Exclusion Criteria

  1. Patients born prior to 28 weeks gestational age
  2. Patients with a primary psychiatric diagnosis other than ASD
  3. Patients with a medical history of neurological disease, including, but not limited to, epilepsy/seizure disorder, movement disorder, tuberous sclerosis, fragile X, and any other known genetic syndromes, or known abnormal brain MRI/structural lesion. Exceptions: 1) simple febrile seizures, 2) epilepsy/ seizure free for at least 2 years prior to Screening
  4. Pregnant female patients, sexually active female patients on hormonal birth control and sexually active females who do not use at least two types of non-hormonal birth control
  5. Patients with evidence or history of malignancy or any significant hematological, endocrine, cardiovascular (including any rhythm disorder), respiratory, renal, hepatic, or gastrointestinal disease
  6. Patients with one or more of the following: HIV, Hepatitis B virus, Hepatitis C virus, hemophilia (bleeding problems, recent nose and brain injuries), abnormal blood pressure (hypotension or hypertension), drug abuse, immunity disorder or severe depression.
  7. Patients unable to tolerate venipuncture procedures for blood sampling
  8. Patients who are currently taking oxytocin or have taken intranasal oxytocin in the past with no response
  9. Patients with a sensitivity to oxytocin or any components of its formulation

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

70 participants in 2 patient groups, including a placebo group

Intranasal Oxytocin
Active Comparator group
Treatment:
Drug: Intranasal Oxytocin
Placebo
Placebo Comparator group
Treatment:
Drug: Placebo

Trial contacts and locations

2

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Data sourced from clinicaltrials.gov

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