A Phase 1, Open-label, Randomized, Three-period Crossover Drug Interaction Study Evaluating the Pharmacokinetic Profiles of SPD503 and CONCERTA, Administered Alone and in Combination in Healthy Adult Volunteers
Overview
- Phase
- Phase 1
- Intervention
- SPD503
- Conditions
- Healthy
- Sponsor
- Shire
- Enrollment
- 38
- Locations
- 1
- Primary Endpoint
- Maximum Plasma Concentration (Cmax) of Guanfacine
- Status
- Completed
- Last Updated
- 4 years ago
Overview
Brief Summary
This is a drug-drug interaction study; the purpose of this study is to examine the pharmacokinetics (levels of drug in the blood) of SPD503 (guanfacine hydrochloride) and Concerta (methylphenidate HCl) when given alone, and in combination.
Investigators
Eligibility Criteria
Inclusion Criteria
- •Subjects must be normal healthy adult volunteers with no significant abnormalities in medical history, physical exam, vital signs or lab evaluations at the screening visit
Exclusion Criteria
- Not provided
Arms & Interventions
SPD503
Intervention: SPD503
Concerta
Intervention: Concerta
SPD503 + Concerta
Intervention: SPD503 + Concerta
Outcomes
Primary Outcomes
Maximum Plasma Concentration (Cmax) of Guanfacine
Time Frame: 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 30, 48 and 72 hours post-dose
Area Under the Steady-state Plasma Concentration-time Curve (AUC) of Guanfacine
Time Frame: 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 30, 48 and 72 hours post-dose
Time of Maximum Plasma Concentration (Tmax) of Guanfacine
Time Frame: 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 30, 48 and 72 hours post-dose
Time of Plasma Half-Life(T 1/2) of Guanfacine
Time Frame: 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 30, 48 and 72 hours post-dose
Cmax of d-Methylphenidate
Time Frame: 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 30, 48 and 72 hours post-dose
AUC of d-Methylphenidate
Time Frame: 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 30, 48 and 72 hours post-dose
Tmax of d-Methylphenidate
Time Frame: 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 30, 48 and 72 hours post-dose
T 1/2 of d-Methylphenidate
Time Frame: 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 30, 48 and 72 hours post-dose