Summary: To compare changes in body mass index (BMI) Z-score following treatment with OLZ/SAM vs olanzapine

Summary: Chemotherapy-induced nausea and vomiting (CINV) are among the most bothersome symptoms during cancer treatment according to children and their parents. Most children receiving highly emetogenic chemotherapy (HEC), including those receiving hematopoietic stem cell transplant (HSCT) conditioning, experience CIV despite receiving antiemetic prophylaxis. Olanzapine improves CINV control in adult cance...

Summary: This phase III trial compares the effects of olanzapine versus megestrol acetate in treating loss of appetite in patients with cancer that has spread to other places in the body (advanced). Olanzapine may stimulate and increase appetite. This study aims to find out if olanzapine is better than the usual approach (megestrol acetate) for stimulating appetite and preventing weight loss.

Summary: The goal of this clinical trial is to evaluate the efficacy and safety of olanzapine plus metoclopramide in preventing opioid-induced nausea and vomiting (OINV) in adult patients with advanced cancer who are initiating strong opioid therapy. The main questions it aims to answer are: (1) Does the combination of olanzapine and metoclopramide reduce the incidence of OINV? (2)What adverse events do pa...

Summary: The effectiveness and efficacy of the combination of pharmacotherapy with the two new recovery-oriented programs, RECOVERYTRSGR for patients with treatment- resistant schizophrenia and RECOVERYTRSBDGR for patients with treatment- resistant bipolar disorder.

Summary: The objective of this clinical trial is to evaluate the safety and efficacy of olanzapine titration schedule in patients with schizophrenia

Summary: The primary objective of this phase 2 randomized controlled trial is to determine whether the pre-operative administration of olanzapine (5 mg PO) improves quality of recovery (assessed by the Quality of Recovery-40 (QoR-40) survey) on postoperative day 1 in patients having ambulatory surgery with general anesthesia. The secondary objectives of this study are to determine whether there are differe...

Summary: To learn about the effectiveness of taking the antipsychotic medication olanzapine to help lower opioid craving.

Summary: This project aims to investigate the effectiveness of existing common antidepressants and to provide new evidence for depressed children and adolescents who are not responding to their first treatment.

Summary: This is a single site trial in 30 patients with schizophrenia, schizoaffective, or bipolar I/II/NOS disorder in which all participants will receive eight weeks of olanzapine and samidorphan (Olz/Sam) plus four weeks of aerobic exercise.

Summary: Schizophrenia is a severe psychotic illness of unknown cause that affects 1% of the population worldwide. Currently, there is no diagnostic test for schizophrenia. Instead, the diagnosis is typically established through a psychiatric interview of the patient, who is evaluated against a set of established criteria of signs and symptoms. It can take many months to years to establish a diagnosis of s...

Summary: The study wishes to examine whether extended antipsychotic treatment, in this case, antipsychotic treatment every other day, is as effective as daily treatment. It is also evaluating whether there may be differences in terms of side effects. Participants will be randomly assigned to either the treatment as usual group (i.e., taking antipsychotic daily) or the extended dosing group (i.e., taking an...