A Trial of TTA-121 on Autism Spectrum Disorder
Autism Spectrum Disorder
About this trial
This is an interventional treatment trial for Autism Spectrum Disorder
Eligibility Criteria
Inclusion Criteria:
- Diagnosis of autism spectrum disorder based on Diagnostic and Statistical Manual of Mental Disorders-V with score exceeding the cut-off value of 10 for qualitative abnormalities in social reciprocity on Autism Diagnostic Interview Revised (ADIR)
- Full scale Intelligent quotient above 80 as measured using the Wechsler Adult Intelligent Scale-III
- Written informed consent for participating the trial
Exclusion Criteria:
- Diagnosis of bipolar disorder or schizophrenia spectrum disorder
- Primary diagnosis of depressive disorders, obsessive-compulsive and related disorders, anxiety disorders, trauma- and stressor-related disorders, dissociative disorders, somatic symptom and related disorders, or neurodevelopmental disorders other than autism spectr um disorder
- Instability in symptoms of comorbid mental disorders such as depressive disorders or anxiety disorders
- History of changes in medication or doses of psychotropics within one month before registration
- Current treatment with more than one psychotropics
- History of hyper-sensitivity to oxytocin
- History of seizures or traumatic brain injury with loss of consciousness for longer than 5 minutes
- History of alcohol-related disorders, substance abuse, or addiction
- Family history of male breast cancer
- Subject who has severe complications
- Known hypersensitivity to some drugs and foods
- Subject who is not able to consent contraception during study period
- Participation in another registration clinical trial and administration of investigational drug during 120 days before informed consent
- Other Subjects whom a lead investigator or the patient's primary physician deems are not appropriate for this study
Sites / Locations
- Hamamatsu University School of Medicine
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Arm 5
Arm 6
Arm 7
Arm 8
Other
Other
Other
Other
Other
Other
Other
Other
Low dose once per day and placebo
Low dose twice per day and placebo
High dose once per day and placebo
High dose twice per day and placebo
Placebo and low dose once per day
Placebo and low dose twice per day
Placebo and high dose once per day
Placebo and high dose twice per day
Four weeks administrations of TTA-121 3U once per day in morning and placebo once per day in evening. After four weeks washout, four weeks administrations of placebo twice per day in morning and evening.
Four weeks administrations of TTA-121 3U twice per day in morning and evening. After four weeks washout, four weeks administrations of placebo twice per day in morning and evening.
Four weeks administrations of TTA-121 10U once per day in morning and placebo once per day in evening. After four weeks washout, four weeks administrations of placebo twice per day in morning and evening.
Four weeks administrations of TTA-121 10U twice per day in morning and evening. After four weeks washout, four weeks administrations of placebo twice per day in morning and evening.
Four weeks administrations of placebo twice per day in morning and evening. After four weeks washout, four weeks administrations of TTA-121 3U once per day in morning and placebo once per day in evening.
Four weeks administrations of placebo twice per day in morning and evening. After four weeks washout, four weeks administrations of TTA-121 3U twice per day in morning and evening.
Four weeks administrations of placebo twice per day in morning and evening. After four weeks washout, four weeks administrations of TTA-121 10U once per day in morning and placebo once per day in evening.
Four weeks administrations of placebo twice per day in morning and evening. After four weeks washout, four weeks administrations of TTA-121 10U twice per day in morning and evening.