Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Phase 2, Randomized, Multicenter, Safety, Tolerability, and Dose-Ranging Study of Samidorphan, a Component of ALKS 3831, in Adults With Schizophrenia Treated With Olanzapine
Brief Summary: This is a Phase 2, randomized, placebo-controlled multicenter study, which will be conducted in 2 parts. The study duration for each subject will be approximately 33 weeks and will include 25 study visits.


Options:
A: Inclusion Criteria:

* Schizophrenia, schizophreniform disorder, or schizoaffective disorder with psychotic symptoms
* Free of depot antipsychotic medication for at least 6 months. Oral antipsychotic medication at entry into the study is allowed, provided the participant has not had an adequate trial during the present episode of psychosis.
* If taking antidepressant or mood stabilizing medication, stable dosing for at least 30 days prior to entry.
* Good physical health

Exclusion Criteria:

* Risperidone (RIS), olanzapine (OLA)\*, or molindone (MOL) for 8 weeks or more during THIS episode, with 2 weeks at the maximal dose (6 mg/day of RIS, 20 mg/day of OLA, or 140 mg/day of MOL)
* If using antidepressant and/or mood stabilizing medications, treatment for fewer than 30 days immediately before entry
* Intolerance or nonresponse to RIS, OLA\*, or MOL during any previous treatment
* Bipolar affective disorder,post traumatic stress disorder, personality disorder, or psychosis not otherwise specified
* Currently meeting Diagnostic and Statistical Manual version IV (DSM IV) criteria for major depression episode
* DSM IV criteria for substance abuse or dependence with intention to continue illicit substance abuse
* Endocrinological or neurological conditions which confound the diagnosis or are a contraindication to treatment with antipsychotics
* Mental retardation
* Risk of suicide or homicide that is not adequately controlled in the current setting
* Pregnancy or refusal to practice contraception during the study

"\*" OLA exclusion not applicable after 11/2005
B: Inclusion Criteria:

* Adolescents and Adults ages 12-59 with a diagnosis of Schizophrenia, Schizoaffective Disorder, Schizophreniform, Bipolar I, Bipolar II, Bipolar NOS or Psychotic Disorder NOS, Autism Spectrum Disorder
* Patients will be currently treated with antipsychotics

Patients will qualify for entry if they meet the following weight criteria:

1. The patient has gained 7% of their weight since beginning of treatment with one or more of the current antipsychotics.
2. The patient has had an increase of 7% of their weight during the last year while being treated with antipsychotics.
3. The patient has a BMI of 30 or more and has gained 10 lbs or more in the past 8 months while being treated with antipsychotic medications.
4. The patient has a BMI of 35 or greater at the current time, and his chart shows a history of consistent weight gain over the past 1 to 3 years during treatment with antipsychotics.

   .

   Exclusion Criteria:
   * Subjects will be excluded if they have asthma, peptic ulcer disease (diseases which may be exacerbated by a histamine analog), or history of pheochromocytoma or peptic ulcer disease. Patients will be excluded if they are prescribed medications known to affect body weight or glucose-lipid metabolism, such as prescription or over the counter medications taken for the purpose of weight reduction. Subjects who are currently treated with metformin, for less than 6 months and have shown recent weight change on metformin. Patients on thyroid replacement therapy or lipid-lowering agents whose dosage has changed by more than 50 % in the past month will be excluded. If they are relatively stable doses of these medications they will not be excluded. Patients who are on lipid lowering medication, thyroid replacement medication, or diabetes medication, (excluding metformin), must remain on these medications throughout the period of the study. Females who are pregnant or breast feeding will be excluded.
C: Inclusion Criteria:

* Age 18 to 50 years, inclusive
* Body mass index (BMI) of 17-30 kg/m2, inclusive
* Diagnosis of schizophrenia that is clinically stable

Exclusion Criteria:

* Initiated 1st antipsychotic treatment within the past 12 months and/or has had symptoms lasting \<2 years
* Current diagnosis of alcohol or drug use disorder, moderate or severe
* Clinically significant or unstable medical illness, condition, or disorder
* Pregnant or breastfeeding
* Significant changes in diet or exercise regimen or plans to join a weight management program during the study
* Opioid medications taken within 14 days and/or need to take opioid medication during the study period
* History of hypersensitivity to or intolerance of olanzapine
* Use of olanzapine, clozapine, mesoridazine, chlorpromazine, or thioridazine for more than 1 week during the past year
D: Inclusion Criteria:

* All participants met the Diagnostic and Statistical Manual of Mental Disorder-Fourth Edition (DSM-Ⅳ) criteria for schizophrenia27.
* Participants were required to get weight gain more than 10% of their predrug body weight during less than 12 months of treatment with a targeted antipsychotic agent- clozapine, olanzapine, risperidone or sulpiride.
* The duration of illness for all participants was less than 12 months.
* Participants could be taking only one antipsychotic, whose dose had not changed by changed by more than 25% over the past 3 months.
* All patients were stable outpatient.
* The total score of Positive and Negative Syndrome Scale (PANSS) for all patients could be ≤60.
* All participants were ensured that they could be carefully taken care of by one of their parents or guardians during the trial.

Exclusion Criteria:

* Participants were excluded from the study if they had evidence of liver or renal diseases, pregnant or lactating women, cardiovascular diseases, hypertension or diabetes mellitus, specific systemic diseases, or conditions that limited their ability to perform the lifestyle modifications, such as arthritis, pulmonary diseases, neurological or dietary restrictions.

Answer: C