Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 20, 2026, 2:16 AM EDT

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Showing 1–3 of 3 matching trials from the live ClinicalTrials.gov search.
Conditions
Schizophrenia
Interventions
Paliperidone palmitate 25 mg eq., Paliperidone palmitate 150 mg eq., Placebo, Paliperidone palmitate 100 mg eq.
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years and older
Enrollment
652 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
32
States / cities
Anaheim, California • Cerritos, California • Escondido, California + 29 more
Conditions
Schizophrenia
Interventions
Placebo, Paliperidone Palmitate
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years to 65 Years
Enrollment
414 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
18
States / cities
Little Rock, Arkansas • Cerritos, California • Santa Ana, California + 15 more
Conditions
Schizophrenia
Interventions
RISPERDAL CONSTA, Paliperidone palmitate
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years and older
Enrollment
1,221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
15
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Cerritos, California + 12 more