A Survey to Collect Treatment Experience Feedback From Patients, Physicians, Nurses and Carers After Switching to Paliperidone Palmitate 3-monthly

Participant's experience with paliperidone palmitate 3-month formulation (PP3M) treatment will be evaluated qualitatively through an online questionnaire. Each questionnaire will include a total of approximately 30 to 35 multiple choice questions related to following categories: Impact on relationship/ interaction between medical team and carer/ patient, Involvement in treatment decision, Reasons for PP3M, Impact of treatment on patient, Impact of treatment on carer and General experience with PP3M.

The response to the questionnaires of the corresponding physician, and the corresponding nurse and carer where applicable, for each participant will be collected for the following categories: Impact on relationship/ interaction between medical team and carer/ patient, Involvement in treatment decision, Reasons for PP3M, Impact of treatment on patient, Impact of treatment on carer and General experience with PP3M.

The CGI-S evaluates the severity of psychopathology on a scale of 0 to 7. Considering total clinical experience, a participant is assessed on severity of mental illness at the time of rating according to: 0=not assessed; 1=normal (not at all ill); 2=borderline mentally ill; 3=mildly ill; 4=moderately ill; 5=markedly ill; 6=severely ill; 7=among the most extremely ill participants. The CGI-S permits a global evaluation of the participant's condition at a given time.

The PANSS is a validated scale specific for the measurement of the symptoms of schizophrenia. The neuropsychiatric symptoms of schizophrenia are assessed across 3 subscales comprising a total of 30 items; the positive [P] and negative [N] subscales each includes 7 items, while the general psychopathology [G] subscale includes 16 items. Lack of judgment and insight's score is 12th item of the general psychopathology subscale (G12 item) of PANSS with score ranges from 1 to 7. Higher scores indicate worsening.

EQ-5D-5L is a 5-item questionnaire that assesses 5 domains including mobility, self-care, usual activities, pain/discomfort and anxiety/depression plus a visual analog scale rating "health today" with ranges from 0 (worst imaginable health state) to 100 (best imaginable health state). Each dimension has 5 response options (no problems, slight problems, moderate problems, severe problems and extreme problems) that reflect increasing levels of difficulty. The responses to the 5 dimensions are used to compute a single utility score ranging from zero (worst health state) to 1 (better health state) representing the general health status of the individual.