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Efficacy, Safety, and Tolerability of AVP-786 for the Treatment of Negative Symptoms of Schizophrenia

Phase 2
Terminated
Conditions
Schizophrenia
Interventions
Drug: Placebo
Registration Number
NCT03896945
Lead Sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Brief Summary

This study will be conducted to evaluate the efficacy, safety, and tolerability of AVP-786, as compared with placebo, for the treatment of negative symptoms of schizophrenia.

Detailed Description

Not available

Recruitment & Eligibility

Status
TERMINATED
Sex
All
Target Recruitment
136
Inclusion Criteria
  • Participants who meet the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-V) diagnostic criteria for schizophrenia confirmed by the Mini International Neuropsychiatric Interview (M.I.N.I) Version 7.0.2
  • Participants must have well-controlled positive symptoms and prominent negative symptoms as defined by Positive and Negative Syndrome Scale (PANSS) criteria.
  • Participants currently receiving a second-generation atypical antipsychotic drug (SGA) are eligible if they are stable and adherent to their dosing schedule.
  • Participants must have a reliable informant (e.g., case manager, social worker, family member). The informant should be able to spend an adequate amount of time with the participant to be able to address behaviors, activities, and symptoms.
Exclusion Criteria
  • Participants with current major depressive disorder (MDD)
  • Participants with pseudo-parkinsonism secondary to their ongoing antipsychotic medication
  • Participants currently using anticholinergic medications
  • Participants recently hospitalized as in-patients

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
PlaceboPlaceboPlacebo capsules will be administered orally twice a day over a 15-week period.
AVP-786AVP-786AVP-786 capsules will be administered orally twice a day over a 15-week period.
Primary Outcome Measures
NameTimeMethod
Change from Baseline to Week 15 in the Positive and Negative Syndrome Scale (PANSS) Marder Negative Factors ScoreBaseline; Week 15
Secondary Outcome Measures
NameTimeMethod
Change from Baseline to Week 15 in the Negative Symptom Assessment-16 (NSA-16) Global Negative Symptom ScoreBaseline; Week 15
Change from Baseline to Week 15 in the Patient Global Impression of Severity (PGI-S) ScoreBaseline; Week 15
Change from Baseline to Week 15 in the Patient Global Impression of Change (PGI-C) ScoreBaseline; Week 15

Trial Locations

Locations (60)

Clinical Research Site# 840-083

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Lafayette, California, United States

Clinical Research Site# 840-094

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Doral, Florida, United States

Clinical Research Site #840-028

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Berlin, New Jersey, United States

Clinical Research Site #840-032

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Miami, Florida, United States

Clinical Research Site 840-002

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Lemon Grove, California, United States

Clinical Research Site #840-046

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Hollywood, Florida, United States

Clinical Research Site# 840-081

🇺🇸

San Bernardino, California, United States

Clinical Research Site #840-096

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Santee, California, United States

Clinical Research Site #840-080

🇺🇸

Miami, Florida, United States

Clinical Research Site #840-088

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Atlanta, Georgia, United States

Clinical Research Site #840-090

🇺🇸

Springfield, Illinois, United States

Clinical Research Site #840-074

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Charlotte, North Carolina, United States

Clinical Research Site #840-052

🇺🇸

Middleburg Heights, Ohio, United States

Clinical Research Site #840-018

🇺🇸

Richardson, Texas, United States

Clinical Research Site #840-069

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Springville, Utah, United States

Clinical Research Site #100-007

🇧🇬

Plovdiv, Bulgaria

Clinical Research Site #840-065

🇺🇸

Oklahoma City, Oklahoma, United States

Clinical Research Site #616-002

🇵🇱

Bełchatów, Poland

Clinical Research Site #840-058

🇺🇸

Fort Worth, Texas, United States

Clinical Research Site #840-041

🇺🇸

Anaheim, California, United States

Clinical Research Site #840-013

🇺🇸

Bellflower, California, United States

Clinical Research Site #840-079

🇺🇸

Costa Mesa, California, United States

Clinical Research Site #840-027

🇺🇸

Culver City, California, United States

Clinical Research Site #840-006

🇺🇸

Garden Grove, California, United States

Clinical Research Site #840-026

🇺🇸

Glendale, California, United States

Clinical Research Site# 840-067

🇺🇸

La Habra, California, United States

Clinical Research Site #840-035

🇺🇸

Oceanside, California, United States

Clinical Research Site# 840-010

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Panorama City, California, United States

Clinical Research Site #840-012

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Riverside, California, United States

Clinical Research Site #840-015

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Torrance, California, United States

Clinical Research Site #840-005

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San Diego, California, United States

Clinical Research Site Site #840-093

🇺🇸

Homestead, Florida, United States

Clinical Research Site #840-084

🇺🇸

Miami Lakes, Florida, United States

Clinical Research Site #840-062

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Lakeland, Florida, United States

Clinical Research Site #840-024

🇺🇸

Largo, Florida, United States

Clinical Research Site #840-008

🇺🇸

Atlanta, Georgia, United States

Clinical Research Site #840-091

🇺🇸

Atlanta, Georgia, United States

Clinical Research Site # 840-102

🇺🇸

Weston, Florida, United States

Clinical Research Site #840-063

🇺🇸

Decatur, Georgia, United States

Clinical Research Site #840-098

🇺🇸

Shreveport, Louisiana, United States

Clinical Research Site #840-057

🇺🇸

Flowood, Mississippi, United States

Clinical Research Site #840-072

🇺🇸

Worcester, Massachusetts, United States

Clinical Research Site #840-034

🇺🇸

Saint Charles, Missouri, United States

Clinical Research Site #840-029

🇺🇸

Saint Charles, Missouri, United States

Clinical Research Site #840-040

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Olivette, Missouri, United States

Clinical Research Site #840-009

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Jamaica, New York, United States

Clinical Research Site #840-025

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Saint Louis, Missouri, United States

Clinical Research Site #840-070

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New York, New York, United States

Clinical Research Site #840-061

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Media, Pennsylvania, United States

Clinical Research Site #840-099

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Myrtle Beach, South Carolina, United States

Clinical Research Site #840-051

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Everett, Washington, United States

Clinical Research Site #009

🇧🇬

Kazanlak, Bulgaria

Clinical Research Site #100-008

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Novi Iskar, Bulgaria

Clinical Research Site #100-006

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Veliko Tarnovo, Bulgaria

Clinical Research Site #100-004 2

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Sofia, Bulgaria

Clinical Research Site #100-001

🇧🇬

Vratsa, Bulgaria

Clinical Research Site #630-001

🇵🇷

San Juan, Puerto Rico

Clinical Research Site # 630-002

🇵🇷

San Juan, Puerto Rico

Clinical Research Site

🇵🇱

Tuszyn, Woj.Iodzkie, Poland

Clinical Research Site #616-003

🇵🇱

Pruszcz Gdański, Poland

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