Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 19, 2026, 2:33 PM EDT

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Showing 1–8 of 8 matching trials from the live ClinicalTrials.gov search.
Conditions
Healthy
Interventions
Saline, PF-02545920, Ketamine, Placebo
Other · Drug
Lead sponsor
Pfizer
Industry
Eligibility
21 Years to 45 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
3
States / cities
New Haven, Connecticut
Conditions
Huntington's Disease
Interventions
20 mg BID of PF-02545920
Drug
Lead sponsor
Pfizer
Industry
Eligibility
30 Years to 66 Years
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
17
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Irvine, California + 9 more
Conditions
Healthy
Interventions
PF-02545920, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
3
States / cities
New Haven, Connecticut
Conditions
Schizophrenia
Interventions
PF-02545920, Placebo, Risperidone
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
259 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
38
States / cities
Little Rock, Arkansas • Anaheim, California • Escondido, California + 23 more
Conditions
Schizophrenia
Interventions
PF-02545920, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 99 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
10
States / cities
Glendale, California • Lemon Grove, California • Paramount, California + 4 more
Conditions
Schizophrenia
Interventions
PF-02545920, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Glendale, California
Conditions
Huntington's Disease
Interventions
PF-02545920, Placebo
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
30 Years to 65 Years
Enrollment
272 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
22
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 12 more
Conditions
Schizophrenia
Interventions
PF-02545920, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
44
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Cerritos, California + 35 more