A Comparative Study of Patient Satisfaction Between Continued Administration of Previous Antipsychotics Versus Switched Administration to Paliperidone ER in Non-satisfied Patients With Previous Antipsychotic Drug
PHASE4
The purpose of this study is to compare the patient satisfaction between co...
A Positron-Emission-Tomography (PET) Study to Measure the Blockade of Dopamine Receptors (D2) in Specific Areas of the Brain in Relation to the Plasma Concentrations of Paliperidone Extended Release (ER) and Oral Risperidone in Schizophrenia Patients and Healthy Controls
PHASE4
The primary objective of this study is to compare the effect of two differe...
A Study of the Long-term Safety and Tolerability and the Long-term Effectiveness of Extended-release Oral Paliperidone in Patients Diagnosed With Schizophrenia
PHASE3
The purpose of this study is to evaluate the long-term safety and tolerabil...
A Study to Evaluate the Effect of Oral Paliperidone Extended-Release and Oral Risperidone Immediate-Release on Cognitive Function in Clinically Stable Patients With Schizophrenia
PHASE4
The purpose of this study is to compare the effect of oral paliperidone ext...