A phase 3, double-blind, placebo-controlled, multicentre, randomised-withdrawal, long-term maintenance of efficacy and safety study of extended-release Guanfacine Hydrochloride in children and adolescents aged 6-17 with Attention-deficit/Hyperactivity Disorder

Shire Development Inc.0 sites510 target enrollmentDecember 28, 2011

ConditionsADHD MedDRA version: 14.1Level: LLTClassification code 10064104Term: ADHDSystem Organ Class: 10037175 - Psychiatric disorders Therapeutic area: Psychiatry and Psychology [F] - Mental Disorders [F03]

Overview

Phase: Not Applicable
Intervention: Not specified
Conditions: ADHD
Sponsor: Shire Development Inc.
Enrollment: 510
Status: Active, not recruiting
Last Updated: 12 years ago

Overview Investigators Eligibility Criteria Outcomes Similar Trials

Overview

Brief Summary

No summary available.

Registry

who.int

Start Date

December 28, 2011

End Date

TBD

Last Updated

12 years ago

Study Type

Interventional clinical trial of medicinal product

Sex

All

Investigators

Sponsor

Shire Development Inc.

Eligibility Criteria

Inclusion Criteria

•1\. Male or female, aged 6\-17 years at the time of consent/assent at Screening/Visit 1\. 2\. Subject meets Diagnostic and Statistical Manual of Mental Disorders, 4th ed.\-Text Revision (DSM\-IV\-TR ) criteria for a primary diagnosis of ADHD, combined sub\-type, hyperactive/impulsive sub\-type, or inattentive sub\-type based on a detailed psychiatric evaluation using the Kiddie Schedule for Affective Disorders and Schizophrenia\-Present and Lifetime version (K\-SADS\-PL). 3\. Subject has a minimum ADHD\-RS\-IV total score of 32 at Enrolment/Visit 2\. 4\. Subject has a minimum CGI\-S score of 4 at Enrolment/Visit 2\. 5\. Subject is able to swallow intact tablets.
•Are the trial subjects under 18? yes
•Number of subjects for this age range:
•F.1\.2 Adults (18\-64 years) no
•F.1\.2\.1 Number of subjects for this age range
•F.1\.3 Elderly (\>\=65 years) no
•F.1\.3\.1 Number of subjects for this age range

Exclusion Criteria

•1\. Subject has a current, controlled (requiring a prohibited medication or behavioural modification program) or uncontrolled, co\-morbid psychiatric diagnosis, except Oppositional Defiant Disorder (ODD), including any severe comorbid Axis II disorders or severe Axis I disorders such as Post Traumatic Stress Disorder, bipolar illness, psychosis, pervasive developmental disorder, obsessive\-compulsive disorder, substance abuse disorder, or other symptomatic manifestations or lifetime history of bipolar illness, psychosis, or conduct disorder that, in the opinion of the Investigator, contraindicate SPD503 treatment or confound efficacy or safety assessments. 2\. Subject has a known history or presence of structural cardiac abnormalities, serious heart rhythm abnormalities, syncope, cardiac conduction problems (e.g., clinically significant heart block), exercise\-related cardiac events including syncope and pre\-syncope, or clinically significant bradycardia. 3\. Subject with orthostatic hypotension or a known history of controlled or uncontrolled hypertension. 4\. Current use of any prohibited medication or other medications, including herbal supplements, that affect blood pressure (BP) or heart rate or that have central nervous system (CNS) effects or affect cognitive performance, such as sedating antihistamines and decongestant sympathomimetics (inhaled bronchodilators are permitted) or a history of chronic use of sedating medications (i.e., antihistamines) in violation of the protocol specified washout criteria at Enrolment/Visit 2\. 5\. Subject is significantly overweight based on Centre for Disease Control and Prevention Body Mass Index (BMI)\-for\-age gender specific charts. Significantly overweight is defined as a BMI \>95th percentile. 6\. Children aged 6\-12 years with a body weight of \<25\.0kg or adolescents aged 13\-17 years with a body weight of \<34\.0kg or \>91\.0kg at Screening/Visit 1\. 7\. Subject has a history of alcohol or other substance abuse or dependence, as defined by DSM\-IV\-TR (with the exception of nicotine) within the last 6 months. 8\. Subject is currently considered a suicide risk in the opinion of the Investigator, has previously made a suicide attempt, or has a prior history of, or is currently demonstrating active suicidal ideation. Subjects with intermittent passive suicidal ideation are not necessarily excluded based on the assessment of the Investigator (see protocol for additional guidance). 9\. History of failure to respond to an adequate trial of an a2\-agonist for the treatment of ADHD (consisting of an appropriate dose and adequate duration of therapy in the opinion of the Investigator).