5HT3 Antagonism and Auditory Gating in Schizophrenia
Public ClinicalTrials.gov record NCT00018850. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The target groups in this study are brain waves and neurotransmitters (chemical messengers) in the brain. Subjects with diagnosed with schizophrenia will be studied. The study will help understand more about normal brain functioning and how that functioning differs in people with schizophrenia. Another purpose of this study is to determine how the altered brain functioning in schizophrenia contributes the symptoms found in the illness.
Study identification
- NCT ID
- NCT00018850
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- Not listed
Conditions and interventions
Conditions
Interventions
- ondansetron Drug
- neuropsychological testing Behavioral
- nicotine Drug
- haloperidol Drug
Drug · Behavioral
Eligibility (public fields only)
- Age range
- 18 Years to 55 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 31, 1998
- Primary completion
- Not listed
- Completion
- May 31, 2003
- Last update posted
- Jan 20, 2009
1998 – 2003
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| VAMC | Denver | Colorado | 80013 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00018850, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jan 20, 2009 · Synced Sep 11, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00018850 live on ClinicalTrials.gov.