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Sponsored by: |
Shire Pharmaceutical Development |
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Information provided by: | Shire Pharmaceutical Development |
ClinicalTrials.gov Identifier: | NCT00734578 |
The purpose of this study is to assess the efficacy and safety of SPD503 in subjects with ADHD when co-administered with psychostimulants in children and adolescents aged 6-17 years with a diagnosis of ADHD with a sub-optimal, partial response to stimulants.
Condition | Intervention | Phase |
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ADHD |
Drug: Guanfacine Hydrochloride Extended Release Drug: Placebo |
Phase III |
Study Type: | Interventional |
Study Design: | Treatment, Randomized, Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Placebo Control, Parallel Assignment, Safety/Efficacy Study |
Official Title: | A Phase III, Double-Blind, Randomized, Placebo-Controlled, Multi-Center, Dose Optimization Study Evaluating the Efficacy and Safety of SPD503 in Combination With Psychostimulants in Children and Adolescents Aged 6-17 Years With a Diagnosis of Attention-Deficit/Hyperactivity Disorder (ADHD) |
Estimated Enrollment: | 441 |
Study Start Date: | September 2008 |
Estimated Study Completion Date: | September 2009 |
Estimated Primary Completion Date: | September 2009 (Final data collection date for primary outcome measure) |
Arms | Assigned Interventions |
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A: Experimental
Guanfacine Extended Release-AM
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Drug: Guanfacine Hydrochloride Extended Release
Guanfacine Extended Release-AM Optimized 1-4mg
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B: Experimental
Guanfacine Extended Release-PM
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Drug: Guanfacine Hydrochloride Extended Release
Guanfacine Extended Release-PM Optimized 1-4mg
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C: Placebo Comparator
Placebo
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Drug: Placebo
Placebo matched to Guanfacine Hydrochloride Extended Release
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Not required
Ages Eligible for Study: | 6 Years to 17 Years |
Genders Eligible for Study: | Both |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
Contact: Shire Call Center | 1-866-842-5335 |
Principal Investigator: | Timothy Wilens | Massachusetts General Hospital |
Responsible Party: | Shire Pharmaceutical Development, Inc. ( Timothy Whitaker, MD ) |
Study ID Numbers: | SPD503-313 |
Study First Received: | August 12, 2008 |
Last Updated: | August 20, 2009 |
ClinicalTrials.gov Identifier: | NCT00734578 History of Changes |
Health Authority: | United States: Food and Drug Administration |
Not required |
Neurotransmitter Agents Adrenergic alpha-Agonists Adrenergic Agents Attention Deficit Disorder with Hyperactivity Guanfacine Mental Disorders |
Mental Disorders Diagnosed in Childhood Attention Deficit and Disruptive Behavior Disorders Hyperkinesis Cardiovascular Agents Antihypertensive Agents Adrenergic Agonists |
Neurotransmitter Agents Adrenergic alpha-Agonists Molecular Mechanisms of Pharmacological Action Adrenergic Agents Physiological Effects of Drugs Attention Deficit and Disruptive Behavior Disorders Cardiovascular Agents Antihypertensive Agents |
Pharmacologic Actions Adrenergic Agonists Attention Deficit Disorder with Hyperactivity Mental Disorders Guanfacine Therapeutic Uses Mental Disorders Diagnosed in Childhood |