Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 4, 2026, 7:17 PM EDT

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Showing 1–6 of 6 matching trials from the live ClinicalTrials.gov search.
Conditions
Healthy
Interventions
SPD503, Concerta, SPD503 + Concerta
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 45 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Hackensack, New Jersey
Conditions
ADHD
Interventions
SPD503-AM, SPD503-PM, Placebo
Drug
Lead sponsor
Shire
Industry
Eligibility
6 Years to 17 Years
Enrollment
461 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
61
States / cities
Dothan, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 53 more
Conditions
Attention-Deficit/Hyperactivity Disorder, Attention Deficit Disorder, Insomnia, Sleep Disorders
Interventions
Guanfacine extended-release tablets, Placebo comparator
Drug
Lead sponsor
Children's Specialized Hospital
Other
Eligibility
6 Years to 12 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Hamilton, New Jersey • Toms River, New Jersey
Conditions
Attention-Deficit/Hyperactivity Disorder
Interventions
extended-release guanfacine hydrochloride (SPD503), placebo, extended-release guanfacine hydrochloride
Drug
Lead sponsor
Shire
Industry
Eligibility
6 Years to 12 Years
Enrollment
340 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
42
States / cities
Little Rock, Arkansas • El Centro, California • Rolling Hills Estates, California + 38 more
Conditions
Healthy
Interventions
SPD503, VYVANSE, SPD503 and VYVANSE
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 45 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Hackensack, New Jersey
Conditions
Generalized Anxiety Disorder (GAD), Anxiety, Separation, Phobia, Social
Interventions
SPD503 (extended-release Guanfacine hydrochloride), Placebo
Drug
Lead sponsor
Shire
Industry
Eligibility
6 Years to 17 Years
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
33
States / cities
Birmingham, Alabama • Carson, California • Imperial, California + 29 more