Safety and Efficacy of SPD503 in Treating ADHD in Children and Adolescents Aged 6-17

NCT ID: NCT00150618

Last Updated: 2021-06-10

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

View full results

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

324 participants

Study Classification

INTERVENTIONAL

Study Start Date

2004-03-30

Study Completion Date

2004-10-07

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

The purpose of this study is to determine the efficacy of SPD503 compared to placebo in the treatment of children and adolescents aged 6-17 with ADHD.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Attention Deficit Disorder With Hyperactivity

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

SPD503 (Guanfacine HCl) (1 mg)

Group Type EXPERIMENTAL

SPD503 (1 mg)

Intervention Type DRUG

SPD503 (2 mg)

Group Type EXPERIMENTAL

SPD503 (2 mg)

Intervention Type DRUG

SPD503 (3 mg)

Group Type EXPERIMENTAL

SPD503 (3 mg)

Intervention Type DRUG

SPD503 (4 mg)

Group Type EXPERIMENTAL

SPD503 (4 mg)

Intervention Type DRUG

Placebo

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

SPD503 (1 mg)

Intervention Type DRUG

SPD503 (2 mg)

Intervention Type DRUG

SPD503 (3 mg)

Intervention Type DRUG

SPD503 (4 mg)

Intervention Type DRUG

Placebo

Intervention Type DRUG

Other Intervention Names

Discover alternative or legacy names that may be used to describe the listed interventions across different sources.

Guanfacine hydrochloride

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* Subjects with a primary diagnosis of ADHD
* Females of childbearing potential must have a negative serum beta human chorionic gonadotropin (HCG) pregnancy test
* Male or non-pregnant female subject who agrees to comply with any applicable contraceptive requirements

Exclusion Criteria

* Subject has a current, uncontrolled, comorbid psychiatric diagnosis with significant symptoms such as severe comorbid Axis II disorders or severe Axis I disorders
* Subject weighs less than 55 lbs or is morbidly overweight with a BMI =\> 35
* Subject has a history of seizure during the last 2 years or a serious tic disorder, including Tourette's Disorder
* Subject is pregnant or lactating
Minimum Eligible Age

6 Years

Maximum Eligible Age

17 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

Shire

INDUSTRY

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Responsibility Role SPONSOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Study Director

Role: STUDY_DIRECTOR

Takeda

References

Explore related publications, articles, or registry entries linked to this study.

Sallee FR, McGough J, Wigal T, Donahue J, Lyne A, Biederman J; SPD503 STUDY GROUP. Guanfacine extended release in children and adolescents with attention-deficit/hyperactivity disorder: a placebo-controlled trial. J Am Acad Child Adolesc Psychiatry. 2009 Feb;48(2):155-65. doi: 10.1097/CHI.0b013e318191769e.

Reference Type RESULT
PMID: 19106767 (View on PubMed)

Related Links

Access external resources that provide additional context or updates about the study.

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

SPD503-304

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.

PRC-063 in Adolescent ADHD
NCT02139111 COMPLETED PHASE3