# 5HT3 Antagonism and Auditory Gating in Schizophrenia

> **NCT00018850** · NA · COMPLETED · sponsor: **US Department of Veterans Affairs**

## Conditions studied

- Schizophrenia

## Interventions

- **DRUG:** ondansetron
- **BEHAVIORAL:** neuropsychological testing
- **DRUG:** nicotine
- **DRUG:** haloperidol

## Key facts

- **NCT ID:** NCT00018850
- **Lead sponsor:** US Department of Veterans Affairs
- **Sponsor class:** FED
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 1998-06
- **Primary completion:** —
- **Final completion:** 2003-06
- **Target enrollment:** — (—)
- **Last updated:** 2009-01-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00018850

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00018850, "5HT3 Antagonism and Auditory Gating in Schizophrenia". Retrieved via AI Analytics 2026-07-27 from https://api.ai-analytics.org/clinical/NCT00018850. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*