# I-123 Brain Studies of Serotonin Metabolism in Psychiatric Patients and Normal Volunteers

> **NCT00001771** · — · COMPLETED · sponsor: **National Institute of Mental Health (NIMH)** · enrollment: 112 (—)

## Conditions studied

- Healthy
- Mental Disorder
- Obsessive Compulsive Disorder
- Schizophrenia
- Tourette Syndrome

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00001771
- **Lead sponsor:** National Institute of Mental Health (NIMH)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 1998-05
- **Primary completion:** —
- **Final completion:** 2003-05
- **Target enrollment:** 112 (—)
- **Last updated:** 2008-03-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00001771

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00001771, "I-123 Brain Studies of Serotonin Metabolism in Psychiatric Patients and Normal Volunteers". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT00001771. Licensed CC0.

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