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Neurobiological Effects of Oxytocin in Schizophrenia

N

National Institute of Mental Health and Neuro Sciences, India

Status

Unknown

Conditions

Schizophrenia

Treatments

Drug: Oxytocin
Drug: Placebo

Study type

Interventional

Funder types

Other

Identifiers

NCT04177719
00908 (Other Identifier)

Details and patient eligibility

About

22 male patients with schizophrenia and 22 male healthy volunteers will be included in the study. Subjects who meet the inclusion and exclusion criteria for the study will be recruited. After completion of clinical assessments and neuropsychological assessments, all subjects will undergo two multi-modal imaging sessions. In one scan they will receive intranasal oxytocin and in another scan will receive intranasal saline as control. The order of administration of the medication will be counterbalanced and subjects will be blind to the medication administered. Using the simultaneous PET-MRI scanner, PET and fMRI data will be collected simultaneously. Blood will be collected for analysis of oxytocin receptor gene polymorphism and its potential effect on brain activity.

Enrollment

44 estimated patients

Sex

Male

Ages

18 to 45 years old

Volunteers

Accepts Healthy Volunteers

Inclusion and exclusion criteria

Schizophrenia group

Inclusion Criteria:

  1. Diagnosis of schizophrenia or schizoaffective disorder
  2. Males between 18 and 45 years
  3. capacity to provide informed consent

Exclusion Criteria:

  1. current comorbid axis I diagnosis and no alcohol/substance abuse/dependence in the last 12 months (except nicotine)
  2. Contraindication to oxytocin like hypersensitivity, vascular disease, chronic nephritis, epilepsy, asthma
  3. Contraindication to MRI like implants/claustrophobia
  4. Past history of head injury resulting in loss of consciousness or neurosurgery
  5. Concomitant severe medical conditions
  6. On treatment with benzodiazepine medications for at least 8 weeks
  7. Contraindication to Positron emission tomography

Healthy volunteers

Inclusion Criteria:

  1. Males between 18 and 45 years
  2. capacity to provide informed consent

Exclusion Criteria:

  1. Lifetime diagnosis of psychiatric illness including substance dependence
  2. contraindication to oxytocin like hypersensitivity, vascular disease, chronic nephritis, epilepsy, asthma
  3. contraindication to MRI like implants/claustrophobia
  4. past history of head injury resulting in loss of consciousness or neurosurgery
  5. concomitant severe medical conditions
  6. on treatment with benzodiazepine medications for at least 8 weeks
  7. contraindication to Positron emission tomography
  8. Family history of schizophrenia, schizoaffective or schizophreniform disorder in family member

Trial design

Primary purpose

Other

Allocation

Non-Randomized

Interventional model

Sequential Assignment

Masking

Double Blind

44 participants in 2 patient groups, including a placebo group

Oxytocin
Experimental group
Description:
Single-dose oxytocin or placebo will be given intranasally on separate scan days. The order of administration will be counterbalanced
Treatment:
Drug: Oxytocin
Placebo
Placebo Comparator group
Description:
Single-dose oxytocin or placebo will be given intranasally on separate scan days. The order of administration will be counterbalanced
Treatment:
Drug: Placebo

Trial contacts and locations

1

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Central trial contact

Naren P Rao, MD

Data sourced from clinicaltrials.gov

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