CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 4,914 enrolled / 4,914 target
Drug / intervention
Not specified
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT00001486
NCT00001486N/ACompletedHigh Momentum (13.2/mo)
CompareCT.gov

A Neurobiological Investigation of Patients With Schizophrenia Spectrum Disorders and Their Siblings

National Institute of Mental Health (NIMH)·observational·Posted Nov 4, 1999·Updated Jun 30, 2026

In Brief

An observational study for Schizoaffective Disorder and Schizophrenia. Completed, enrolled 4,914 participants across 1 site.

Signals

Enrolling ahead of pace

Detailed Summary

This large ongoing study at NIMH investigates the neurobiology of schizophrenia by identifying susceptibility genes, evaluating their impact on brain function to better understand how to treat and prevent this illness....

Study Details

Study Typeobservational
Allocation--
Masking--
Primary Purpose--
ConditionsSchizoaffective Disorder, Schizophrenia
CountriesUnited States
CollaboratorsNational Institutes of Health Clinical Center (CC)

Timeline

N/ACompletedFinished
199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027
First PostedNov 4, 1999
Enrollment StartJul 15, 1995
TodayJul 2, 2026
Posted 26.7 years ago

Arms & Interventions

Normal Controlsother

Male and female adult healthy volunteers

Parentsother

Parents of Probands and siblings for the purposes of DNA collection

Probandsother

Adult Subjects with Schizophrenia Spectrum Disorders

Siblingsother

Adult siblings of Probands