Study of the Safety, Tolerability, and Pharmacokinetics of Once Weekly Zicronapine in Patients With Schizophrenia
A Randomised, Double-blind, Parallel-group, Explorative Study of the Safety, Tolerability, and Pharmacokinetics of Daily Dosing Compared to Weekly Dosing of Zicronapine in Patients With Schizophrenia
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Detailed Description
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
California
-
Garden Grove, California, United States, 92845
- US002
-
National City, California, United States, 91950
- US003
-
San Diego, California, United States, 92102
- US004
-
-
Maryland
-
Rockville, Maryland, United States, 20850
- US001
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Diagnosis of schizophrenia according to the Diagnostic and Statistical Manual of Mental Disorders, 4th Edition, Text Revision (DSM-IV-TR)
- A score of <=4 (moderately ill) on Clinical Global Impression - Severity of Illness (CGI-S) scale
- A total score >=60 on Positive and Negative Syndrome Scale (PANSS)
- A score of <=4 (moderate) on PANSS items: P7 (hostility) AND G8 (uncooperativeness)
Exclusion Criteria:
- Acute exacerbation requiring hospitalization within the last 3 months OR requiring change of antipsychotic medication within the last 4 weeks
- Diagnosis or history of substance dependence or substance abuse according to DSM-IV-TR within the last 3 months
- Significant risk of harming himself/herself or others
- Positive serology for hepatitis A, B, C, or HIV
- Present condition that might compromise liver function
- Medical or neurological disorder or treatment that could interfere with study treatment or compliance
- Previous exposure to zicronapine
Other inclusion and exclusion criteria may apply.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: QUADRUPLE
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
EXPERIMENTAL: Zicronapine open-label lead-in 10 mg daily
|
Encapsulated tablet ,10 mg, once daily, open-label
Other Names:
|
|
EXPERIMENTAL: Zicronapine 10 mg daily
|
Encapsulated tablet, 10 mg, once daily, double-blind
Other Names:
|
|
EXPERIMENTAL: Zicronapine 20 mg once weekly
|
Encapsulated tablet, 20 mg, once weekly (on day 1 of each 7 day cycle), double-blind
Other Names:
|
|
EXPERIMENTAL: Zicronapine 30 mg once weekly
|
Encapsulated tablet, 30 mg, once weekly (on day 1 of each 7 day cycle), double-blind
Other Names:
|
|
EXPERIMENTAL: Zicronapine 45 mg once weekly
|
Encapsulated tablet, 45 mg, once weekly (on day 1 of each 7 day cycle), double-blind
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Number of Patients With Adverse Events as a Measure of Safety and Tolerability
Time Frame: 11 weeks for open-label period; 13 weeks for double-blind period
|
Number of patients with treatment-emergent adverse events during each of the two study periods plus corresponding safety follow-up period.
Open-label period: 3 weeks post-baseline plus 8 weeks safety follow-up (11 weeks total); Double-blind period: 5 weeks post-randomization plus 8 weeks safety follow-up (13 weeks total)
|
11 weeks for open-label period; 13 weeks for double-blind period
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Positive and Negative Syndrome Scale (PANSS) Total and Subscales Change From Baseline
Time Frame: 8 weeks post-baseline (3 weeks open-label period plus 5 weeks double-blind period)
|
The PANSS consisted of three subscales that contained a total of 30 symptom constructs.
For each symptom construct, severity was rated on a 7-point scale, with a score of 1 that indicated the absence of symptoms and a score of 7 indicated extremely severe symptoms.
The PANSS total score was the sum of the rating scores for 7 positive subscale items, 7 negative subscale items, and 16 general psychopathology subscale items from the PANSS panel.
PANSS Total Score ranged from 30 (best possible outcome) to 210 (worst possible outcome).
|
8 weeks post-baseline (3 weeks open-label period plus 5 weeks double-blind period)
|
|
Clinical Global Impression Severity Scale (CGI-S) Change From Baseline
Time Frame: 8 weeks post-baseline (3 weeks open-label period plus 5 weeks double-blind period)
|
The CGI-S provides the clinician's impression of the patient's current state of mental illness.
The clinician uses their clinical experience of this patient population to rate the severity of the patient's current mental illness on a 7-point scale ranging from 1 (normal - not at all ill) to 7 (among the most extremely ill patients).
|
8 weeks post-baseline (3 weeks open-label period plus 5 weeks double-blind period)
|
|
Clinical Global Impression Improvement Scale (CGI-I)
Time Frame: 8 weeks post-baseline (3 weeks open-label period plus 5 weeks double-blind period)
|
The CGI-I provides the clinician's impression of the patient's improvement (or worsening).
The clinician assesses the patient's condition relative to a baseline on a 7-point scale ranging from 1 (very much improved) to 7 (very much worse).
In all cases, the assessment is made independent of whether the rater believes the improvement is drug-related or not.
|
8 weeks post-baseline (3 weeks open-label period plus 5 weeks double-blind period)
|
Collaborators and Investigators
Sponsor
Sponsor
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (ACTUAL)
Primary Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
First Posted
Study Record Updates
Last Update Posted (ESTIMATE)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- 13946A
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