None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: • Women or men, from 18 to 65 years of age in the visit 1. • Female patients with gestational potential should use a medically accepted means of contraception. • Each patient must have a sufficient level of understanding to communicate intelligently with the researcher, nurse and study coordinator. • Patients must be reliable. They must agree to cooperate with all the tests and exams required by the protocol. • Each patient (or authorized legal representative of the patient) must understand the nature of the study and sign an informed consent. • Patients must meet the criteria for schizophrenia defined in the DSMIV. • Patients must have been treated with haloperidol for a minimum of 6 weeks before entering the study. • Patients must have a total SAS score of> 3.
Exclusion criteria
Exclusion criteria: • Women who are pregnant or nursing. • Severe illnesses, including hepatic, renal, gastroenterological, respiratory, cardiovascular (including ischemic heart disease), endocrinological, neurological, immunological or hematological diseases, such as anticipating hospitalization within 3 months or death within 3 years. • Hyperthyroidism or hyperthyroidism uncorrected. • Acute angle glaucoma. • One or more attacks without a clear and determined etiology. Leukopenia or history of leukopenia without a clear and determined etiology. • History of severe allergies or adverse reactions to multiple medications. • Abuse or dependence of any substance (alcohol or other drugs) within the previous 3 months. • Judged clinically as seriously at risk of suicide. • Participation in a clinical trial of another research substance within 1 month (30 days) before entering the study (visit 1). • Any other medication concomitant with primary activity of the central nervous system, different from that specified in section 3.8. • Treatment with a neuroleptic injectable deposit prior to visit 1. • Previous exposure to olanzapine. • Treatment with lithium, anticonvulsants, benzodiazepines, antidepressants (except fluoxetine), psychostimulants, reversible monoamine oxidase monoamine oxidase inhibitors, reserpine, guanethidine or guanadrel, within week 1 before visit 2. • Any patient treated with clozapine within 4 weeks prior to visit 2. • Treatment with inhibitors of the non-reversible monoamine oxidase within 2 weeks prior to visit 2. • Fluoxetine treatment within 4 weeks prior to visit 2. • The use of anticholinergics as prophylaxis is prohibited. • More than 20 mg. of haloperidol the last 2 days before the visit 2.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Outcome name:Determination of patient improvement in BPRS, PANSS and CGI severity scales. Measure:Efficacy Timepoints:The BPRS and PANSS will be evaluated in visits 1, 2, 3, 4, 6 and 8 or in the final visit, the severity scale CGI will be administered in all visits. ; Outcome name:Psychiatric exams, physical exams (electrocardiography) Measure:Safety Timepoints:At visit 1, a medical history will be taken, as well as psychiatric and physical exams including electrocardiography. The physical examination and electrocardiography will be repeated after 6 weeks of open therapy and at any time if the patient discontinues after the visit 2. | — |
Secondary
| Measure | Time frame |
|---|---|
| Outcome name:Quality of life scale (QLS). The QLS determines the quality of life in regards specifically to schizophrenia. Measure:Quality of Life Timepoints:The quality of life scale (QLS) will be administered to outpatients only on visits 2 and 8. | — |