Overview

A Trial to Determine Whether Two Differing Strength Tablets (3 x 5 mg Versus 1 x 15 mg) of Sublingually Org 5222 (Asenapine) Are Safe and Equal in Subjects With Schizophrenia or Schizoaffective Disorder (P05937)

Status:
Completed
Trial end date:
2002-12-01
Target enrollment:
0
Participant gender:
All
Summary
A trial to compare if one 15 mg under the tongue tablet is equal to three 5 mg under the tongue tablets of Org 5222 (asenapine) in subjects with schizophrenia or schizoaffective disorder delivered.
Phase:
Phase 2
Accepts Healthy Volunteers?
No
Details
Lead Sponsor:
Merck Sharp & Dohme Corp.
Treatments:
Asenapine
Criteria
Inclusion Criteria:

- must provide written informed consent after the scope and nature of the investigation
has been explained to them, but before signing any trial-related activities, including
screening evaluations;

- must be at least 18 and less than 65 years of age;

- can be either male or female; females must be either surgically sterile,
postmenopausal for at least 1 year, or non-pregnant using a method of birth control
that was acceptable to the investigator;

- must be able to speak, read and understand English and be able to respond to questions
and follow simple instructions;

- must be diagnosed at the screening interview according to Diagnostic & Statistical
Manual of Mental Disorders, 4th edition (DSM-IV), with non-first episode schizophrenia
or schizoaffective disorder (295.70); if schizophrenia, must be of the following
types: schizophrenia of the paranoid type (295.30), schizophrenia of the disorganized
type (295.10), schizophrenia of the catatonic type (295.20), schizophrenia of the
undifferentiated type (295.90), schizophrenia of the residual type (295.60);

- must have discontinued all use of all antipsychotic medication except depot
neuroleptics at least 3 days prior to baseline. For depot neuroleptics, subjects must
have completed 1 dosing interval by the baseline interview;

- must not have taken any experimental medication for at least 30 days prior to
baseline;

- with hypothyroidism, diabetes, high blood pressure, or chronic respiratory conditions
can be considered as candidates for enrollment in the trial if their conditions are
stable, they are receiving standard therapies for the condition, the prescribed dose
and regimen of medication is stable for at least 3 months, and all appropriate
clinical and laboratory parameters are within the clinically acceptable limits for the
condition, and

- must be willing to remain in the hospital a minimum of 14 days to approximately 17
days (minimum of a 3- to a maximum of a 7-day washout period, a minimum of an 8-day
in-patient period, and a possible 3-day stabilization period, if needed, prior to
discharge).

Exclusion Criteria:

- they have any untreated or uncompensated clinically significant renal, endocrine,
hepatic, respiratory, cardiovascular, hematologic, immunologic, or cerebrovascular
disease, or malignancy;

- they are considered obese by the investigator (e.g., greater than 30% above ideal body
weight);

- they have a seizure disorder or are taking anticonvulsants to prevent seizures;

- they have any clinically relevant electrocardiogram (ECG) abnormalities at the
screening visit (Day -2) or at baseline (Day 0);

- they have a history of a clinically significant cardiac event that required
resuscitation;

- at the screening visit, on admission to the trial, during the washout period or at
baseline (Day 0), they have any clinically significant abnormal laboratory, vital
sign, or physical examination findings which, in the opinion of the investigator,
would preclude trial participation;

- they require concomitant treatment with hypnotics (for sleep induction) other than
chloral hydrate ≤3000 mg/day, or Ambien (zolpidem tartrate) ≤10 mg qhs, and (for
agitation) a benzodiazepine such as lorazepam, ≤10 mg/day;

- they have a score greater than mild at baseline (score >2) on any item of the Abnormal
Involuntary Movement Scale (AIMS) assessment at screening and/or require ongoing
treatment with anticholinergic medication beyond baseline (Day 0);

- they have a history of significant drug and/or alcohol abuse (according to DSM-IV
criteria 305.00) within 30 days before the screening visit;

- they have a confirmed positive result on the alcohol/drug screen test for alcohol,
illegal (excluding marijuana), or non-prescribed drugs at screening or at hospital
admission;

- they had a primary psychiatric diagnosis (according to DSM-IV criteria) other than
schizophrenia or schizoaffective disorder;

- they are actively suicidal at the screening visit, or become so at admission to the
hospital, during the washout period, or at baseline (Day 0);

- they have a Clinical Global Impression (CGI) (Severity of Illness) rating greater than
moderately ill (score >4) at screening or baseline;

- they are non-compliant (>25%) during the washout period (including baseline Day 0);
or,

- they are pregnant, intend to become pregnant during the course of the trial, or are
currently nursing mothers during the course of the trial.

- require concomitant medications that are substrates, inhibitors, or inducers of
Cytochrome P450 CYP3A4.