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The Safety and Efficacy of SPD465 in Adults With Attention Deficit Hyperactivity Disorder (ADHD)

Phase 2
Completed
Conditions
Attention-Deficit/Hyperactivity Disorder
Interventions
Drug: Immediate Release Amphetamine Salt
Drug: Placebo
Registration Number
NCT00928148
Lead Sponsor
Shire
Brief Summary

This is a phase 2, randomized, multi-center, double-blind, 3-period and 3-treatment crossover study designed to evaluate the safety and duration of efficacy of SPD465 (50 or 75 mg) compared with placebo and an immediate release amphetamine salt formulation (25 mg) in adults with ADHD. The controlled environment used in this study is an analog classroom setting adapted for a 16-hour adult day.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
86
Inclusion Criteria
  • Adult men and non-pregnant women between the ages of 18 and 55
  • Confirmed diagnosis of ADHD as defined by the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision (DSM-IV-TR)
  • Baseline ADHD score of at least 24
Exclusion Criteria
  • Weight less than 100 pounds or greater than 250 pounds
  • Psychiatric diagnosis such as a severe comorbid Axis II or Axis I disorder
  • Pregnancy or breastfeeding
  • History of seizures
  • Positive urine drug screen

Study & Design

Study Type
INTERVENTIONAL
Study Design
CROSSOVER
Arm && Interventions
GroupInterventionDescription
Immediate Release Amphetamine salt (25 mg)Immediate Release Amphetamine Salt-
PlaceboPlacebo-
SPD465 (50 or 75 mg)SPD465-
Primary Outcome Measures
NameTimeMethod
To assess the duration of efficacy of SPD465 compared to placebo and immediate release amphetamine formulation in adults with ADHD using the Permanent Product Measure of Performance (PERMP) math test-0.5, 2, 4, 8, 12, 14 and 18 hours post-dose
Secondary Outcome Measures
NameTimeMethod
To assess the duration of efficacy of SPD465 compared with placebo and immediate release amphetamine on ADHD symptoms as determined by the ADHD-rating scale (ADHD-RS)5, 10 and 15 hours post-dose
To assess the duration of efficacy of SPD465 compared with placebo and immediate release amphetamine on ADHD symptoms as determined by the Swanson, Kotkin, Agler, M. Flynn, and Pelham (SKAMP) scale5, 10, and 15 hours post-dose
To assess the impact of SPD465 compared with placebo and immediate release amphetamine on sleep as measured by the modified Pittsburgh Sleep Quality Index (PSQI)21 days
To evaluate the safety of SPD465 based on occurrence of treatment-emergent adverse events (TEAEs), blood pressure (BP), heart rate, electrocardiogram (ECG), and clinical laboratory findings21 days
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