Study Stopped
Study was discontinued due to non-safety related business prioritization decisions. No subjects were randomized.
Adjunctive SPD489 to Antipsychotic Medication in Clinically Stable Adults With Persistent Predominant Negative Symptoms of Schizophrenia
A Phase 3 Multicenter, Randomized, Double-blind, Parallel-group, Placebo-controlled, 12-week, Forced-dose Titration Study to Evaluate the Efficacy, Safety, and Tolerability of SPD489 40mg, 100mg, or 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
2 other identifiers
interventional
4
1 country
1
Brief Summary
The primary purpose of this study is to determine whether SPD489 40 mg, 100 mg, and 160 mg are effective and safe in the treatment of Negative Symptoms of Schizophrenia (NSS).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_3 schizophrenia
Started Nov 2012
Shorter than P25 for phase_3 schizophrenia
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
November 1, 2012
CompletedFirst Submitted
Initial submission to the registry
November 28, 2012
CompletedFirst Posted
Study publicly available on registry
November 30, 2012
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 1, 2013
CompletedStudy Completion
Last participant's last visit for all outcomes
April 1, 2013
CompletedResults Posted
Study results publicly available
May 29, 2014
CompletedJune 22, 2021
May 1, 2021
5 months
November 28, 2012
May 1, 2014
May 29, 2021
Conditions
Outcome Measures
Primary Outcomes (1)
Change From Baseline in Negative Symptom Assessment - 16-item (NSA-16) Total Score at 12 Weeks
Baseline and 12 weeks
Secondary Outcomes (14)
Change From Baseline in the Personal and Social Performance Scale (PSP) Score at 12 Weeks
Baseline and 12 weeks
Change From Baseline in Simpson Angus Scale (SAS) Total Score at 12 Weeks
Baseline and 12 weeks
Change From Baseline in Barnes Akathisia Scale (BAS) Total Score at 12 Weeks
Baseline and 12 weeks
Change From Baseline in Amphetamine Cessation Symptom Assessment (ACSA) Total Score at 12 Weeks
Baseline and 12 weeks
Change From Baseline in the Abnormal Involuntary Movement Scale (AIMS) at 12 Weeks
Baseline and 12 weeks
- +9 more secondary outcomes
Study Arms (4)
SPD489 40mg
EXPERIMENTALSPD489 100mg
EXPERIMENTALSPD489 160mg
EXPERIMENTALPlacebo
PLACEBO COMPARATORInterventions
Oral administration of 40 mg once-daily for up to 12 weeks
Oral administration of 100 mg once-daily for up to 12 weeks
Oral administration of 160 mg once-daily for up to 12 weeks
Eligibility Criteria
You may qualify if:
- 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
You may not qualify if:
- 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 day
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Shirelead
Study Sites (1)
University Hills Clinical Research
Irving, Texas, 75062, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Limitations and Caveats
Study was discontinued due to non-safety related business prioritization decisions. No subjects were randomized
Results Point of Contact
- Title
- Study Director
- Organization
- Shire
Study Officials
- STUDY DIRECTOR
Study Director
Takeda
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
November 28, 2012
First Posted
November 30, 2012
Study Start
November 1, 2012
Primary Completion
April 1, 2013
Study Completion
April 1, 2013
Last Updated
June 22, 2021
Results First Posted
May 29, 2014
Record last verified: 2021-05