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ClinicalTrials.gov public records Last synced Nov 15, 2026, 6:53 AM EST

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: NSA-789 Clear all
Withdrawn Phase 1 Interventional

Study Evaluating The Effects Of Single Oral Doses Of NSA-789 On Auditory P50 Suppression In Schizophrenic Patients

NCT00781794
View directory record Official record
Conditions
Schizophrenia
Interventions
NSA-789 at 2 different doses
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Aug 20, 2021 · Synced Nov 15, 2026, 6:53 AM EST
Withdrawn Phase 1 Interventional

Study Evaluating the Effects of Multiple Doses of NSA-789 in Subjects With Schizophrenia or Schizoaffective Disorder

NCT00892021
View directory record Official record
Conditions
Schizophrenia
Interventions
NSA-789, Placebo
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 20, 2021 · Synced Nov 15, 2026, 6:53 AM EST
Completed Phase 1 Interventional Accepts healthy volunteers

Study Evaluating the Safety and Tolerability of NSA-789

NCT00633048
View directory record Official record
Conditions
Healthy
Interventions
NSA-789, placebo
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years to 50 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Feb 17, 2009 · Synced Nov 15, 2026, 6:53 AM EST
Completed Phase 1 Interventional Accepts healthy volunteers

Multiple Dose Study Evaluating the Safety and Tolerability of NSA-789

NCT00795730
View directory record Official record
Conditions
Alzheimer Disease, Healthy Subjects
Interventions
NSA-789, placebo
Drug · Other
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years to 99 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Aug 20, 2021 · Synced Nov 15, 2026, 6:53 AM EST