SPD489 Low Dose and High Dose Ranges When Added to Stable Doses of Antipsychotic Medications in Clinically Stable Adults With Negative Symptoms of Schizophrenia
A Phase 3 Multicenter, Randomized, Double-blind, Parallel-group, Placebo-controlled, 26-week, Dose-optimization Study to Evaluate the Efficacy, Safety, and Tolerability of SPD489 Low Dose Range (40mg, 80mg, 100mg) and High Dose Range (120mg, 140mg, 160mg) as Adjunctive Treatment to Established Maintenance Doses of Antipsychotic Medications on Negative Symptoms in Clinically Stable Adults Who Have Persistent Predominant Negative Symptoms of Schizophrenia
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 3
Contacts and Locations
Study Locations
-
-
Florida
-
Miami Springs, Florida, United States, 33166
- Galiz Research
-
-
Missouri
-
O'Fallon, Missouri, United States, 63368
- Psychiatric Care and Research Center
-
Saint Charles, Missouri, United States, 63304
- St. Charles Psychiatric Associates
-
-
Pennsylvania
-
Philadelphia, Pennsylvania, United States, 19139
- CRI Lifetree
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- - 18 to 65 years of age
- Has a reliable informant (eg, family member, social worker, caseworker, or nurse that spends >4 hours/week with the subject)
- Fixed home/place of residence and can be reached by telephone
- On a stable dose of antipsychotic medications
- Able to swallow capsules
Exclusion Criteria:
- Taking lithium, carbamazepine, lamotrigine, gabapentin, cholinesterase inhibitors, modafinil, or other stimulants such as methylphenidate and other amphetamine products
- Treated with clozapine in past 30 days
- Lifetime history of stimulant, cocaine, or amphetamine abuse or dependence
- History of seizures (other than infantile febrile seizures), any tic disorder, or current diagnosis and/or a known family history of Tourette's Disorder, serious neurological disease, history of significant head trauma, dementia, cerebrovascular disease, Parkinson's disease, or intracranial lesions
- Uncontrolled hypertension
- History of thyroid disorder that has not been stabilized on thyroid medication
- Glaucoma
- Pregnant or nursing
- Subject has received an investigational product or participated in a clinical study within 30 days
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 |
|---|---|
|
Placebo Comparator: Placebo
|
One capsule a day for 26 weeks
|
|
Experimental: SPD489 Low Dose Range
|
Capsule, dose titration,
Other Names:
|
|
Experimental: SPD489 High Dose Range
|
Capsule, dose titration,
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Change From Baseline in Negative Symptom Assessment (NSA-16) Total Score at 26 Weeks
Time Frame: Baseline and 26 weeks
|
Baseline and 26 weeks
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Change From Baseline in the Personal and Social Performance (PSP) Scale Score at 26 Weeks
Time Frame: Baseline and 26 weeks
|
Baseline and 26 weeks
|
|
Change From Baseline in Simpson Angus Scale (SAS) Total Score at 26 Weeks
Time Frame: Baseline and 26 weeks
|
Baseline and 26 weeks
|
|
Change From Baseline in Barnes Akathisia Scale (BAS) Total Score at 26 Weeks
Time Frame: Baseline and 26 weeks
|
Baseline and 26 weeks
|
|
Change From Baseline in the Abnormal Involuntary Movement Scale (AIMS) at 26 Weeks
Time Frame: Baseline and 26 weeks
|
Baseline and 26 weeks
|
|
Change From Baseline in Positive and Negative Syndrome Scale (PANSS) Scores at 26 Weeks
Time Frame: Baseline and 26 weeks
|
Baseline and 26 weeks
|
|
Change From Baseline in Cognitive Test Battery (CogState Battery) Score at 26 Weeks
Time Frame: Baseline and 26 weeks
|
Baseline and 26 weeks
|
|
Change From Baseline in Social Functioning Scale (SFS) at 26 Weeks
Time Frame: Baseline and 26 weeks
|
Baseline and 26 weeks
|
|
Clinical Global Impression-Schizophrenia Severity of Illness (CGI-SCH-S) Scale
Time Frame: Baseline and week 26
|
Baseline and week 26
|
|
Clinical Global Impression-Schizophrenia Degree of Change (CGI-SCH-C) Scale
Time Frame: Up to 26 weeks
|
Up to 26 weeks
|
|
Change From Baseline in Amphetamine Cessation Symptom Assessment (ACSA) Total Score at 26 Weeks
Time Frame: Baseline and 26 weeks
|
Baseline and 26 weeks
|
|
Change From Baseline in Clinical Evaluation of Harmful Behavior (CEHB) Scale at 26 Weeks
Time Frame: Baseline and 26 weeks
|
Baseline and 26 weeks
|
|
Columbia-Suicide Severity Rating Scale (C-SSRS)
Time Frame: Up to 26 weeks
|
Up to 26 weeks
|
|
Change From Baseline in Calgary Depression Scale for Schizophrenia (CDSS) at 26 Weeks
Time Frame: Baseline and 26 weeks
|
Baseline and 26 weeks
|
Collaborators and Investigators
Sponsor
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study 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 (Actual)
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
Additional Relevant MeSH Terms
- Mental Disorders
- Schizophrenia Spectrum and Other Psychotic Disorders
- Schizophrenia
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Neurotransmitter Uptake Inhibitors
- Membrane Transport Modulators
- Dopamine Agents
- Dopamine Uptake Inhibitors
- Central Nervous System Stimulants
- Lisdexamfetamine Dimesylate
Other Study ID Numbers
Other Study ID Numbers
- SPD489-335
- 2012-003919-57 (EudraCT Number)
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