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Open Label, Multicentre Extension Study of Protocol 42603ATT3002 to Evaluate Safety of Prolonged Release OROS Methlyphenidate in Adults With Attention Deficit Hyperactivity Disorder (ADHD)

NCT00307684 · Status: COMPLETED · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 155

Last updated 2014-04-21

Study results available
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Summary

Trial 42603ATT3004 is an open-label extension study to clinical trial 42603ATT3002 (NCT00246220). In trial 42603ATT3002 the efficacy and safety of OROS methylphenidate was assessed in adult subjects with Attention Deficit Hyperactivity Disease (ADHD). ADHD is a developmental disorder beginning in childhood and characterized by developmentally inappropriate inattention, hyperactivity and impulsiveness. Data on the number of adult patients with ADHD is limited, but it is estimated that approximately 50% of children with ADHD will have symptoms also in adhulthood. The drug tested in this trial is OROS methylphenidate. The active ingredient is methylphenidate and the tablet is designed to release the active ingredient gradually to ensure an effect, which lasts up to 12 hours. Trial 42603ATT3002 consisted of a 5-week period, where subjects were assigned to either receive placebo (empty drug) or one out of three different dosages of OROS methylphenidate. This 5-week period was followed by a 7-week period, where patients received OROS methylphenidate at their optimal dose. In study 42603ATT3004, subjects who complete 42603ATT3002 are followed for a period of at least 52 weeks to evaluate safety and tolerability of OROS methylphenidate in patients who are treated with OROS methylphenidate over a long period of time.

Amendment: At the end of the open-label period of the present study 42603ATT3004, patients are enrolled into a double-blind placebo-controlled period, which lasts an additional 4 weeks. The purpose of this double-blind placebo-controlled period is to evaluate the maintenance of effect under continued treatment with OROS methlyphenidate in comparison to treatment cessation in those patients, who are randomized into the placebo-group.

Conditions

  • Attention Deficit Disorder With Hyperactivity

Interventions

DRUG

double blind placebo

matching placebo tablets once daily for 4 weeks

DRUG

double blind PR OROS methylphenidate

18, 36, 54,72 or 90 mg/day once daily for 4 weeks

DRUG

open label PR OROS methylphenidate

Flexible dosage MPH (18 to 90 mg/day) for 72 weeks (108 weeks for Germany)

Sponsors & Collaborators

  • Janssen-Cilag International NV

    lead INDUSTRY

Principal Investigators

  • Janssen-Cilag International NV Clinical Trial · Janssen-Cilag International NV

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2006-01-31
Primary Completion
2008-07-31
Completion
2008-07-31

Countries

  • France
  • Germany
  • Netherlands
  • Norway
  • Portugal
  • Spain
  • Switzerland

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00307684 on ClinicalTrials.gov