A Study of Repeat Dosing of OROS® Methylphenidate Hydrochloride (CONCERTA®) and Immediate Release Methylphenidate Hydrochloride in Healthy Adults

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00302458
Recruitment Status : Completed
First Posted : March 14, 2006
Results First Posted : January 7, 2014
Last Update Posted : February 29, 2016
Ortho-McNeil Janssen Scientific Affairs, LLC
Information provided by (Responsible Party):
Thomas J. Spencer, MD, Massachusetts General Hospital

Study Type: Interventional
Study Design: Allocation: Randomized;   Intervention Model: Crossover Assignment;   Masking: Double (Participant, Investigator);   Primary Purpose: Basic Science
Condition: Healthy
Interventions: Drug: OROS-Methylphenidate
Drug: Immediate Release Methylphenidate
Drug: Placebo

  Participant Flow

Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
Subjects were enrolled from 2005 to 2007 at Massachusetts General Hospital and were recruited using IRB approved postings through web and email.

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
Based on a comprehensive screening, subjects who did not meet eligibility criteria for the study were excluded. Others withdrew or were lost to follow-up before randomization.

Reporting Groups
Healthy Volunteers Healthy volunteers each received IR MPH, Oros MPH, and matched placebo (at four separate study visits) in a four way crossover design.

Participant Flow:   Overall Study
    Healthy Volunteers
Lost to Follow-up                1 
Ineligible after screening                1 
Withdrawal by Subject                1 

  Baseline Characteristics

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
One subject was ineligible, one subject was lost to follow-up, one withdrew, and twenty six subjects completed the study.

Reporting Groups
Healthy Volunteers Healthy volunteers each received IR-MPH, OROS-MPH, and matched placebo (in four separate visits) in a four way crossover design.

Baseline Measures
   Healthy Volunteers 
Overall Participants Analyzed 
[Units: Participants]
[Units: Participants]
<=18 years   0 
Between 18 and 65 years   29 
>=65 years   0 
[Units: Years]
Mean (Standard Deviation)
 28.86  (6.06) 
[Units: Participants]
Female   15 
Male   14 
Region of Enrollment 
[Units: Participants]
United States   29 

  Outcome Measures

1.  Primary:   Peak Plasma Concentration of d-Methylphenidate   [ Time Frame: 4 hours ]

  Serious Adverse Events

  Other Adverse Events

  Limitations and Caveats

Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data
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  More Information

Certain Agreements:  
Principal Investigators are NOT employed by the organization sponsoring the study.
There is NOT an agreement between Principal Investigators and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed.

Results Point of Contact:  
Name/Title: Dr. Thomas Spencer
Organization: Massachusetts General Hospital
phone: 617-726-1731

Publications automatically indexed to this study by Identifier (NCT Number):

Responsible Party: Thomas J. Spencer, MD, Massachusetts General Hospital Identifier: NCT00302458     History of Changes
Other Study ID Numbers: 2005-P-001812
First Submitted: March 13, 2006
First Posted: March 14, 2006
Results First Submitted: November 18, 2013
Results First Posted: January 7, 2014
Last Update Posted: February 29, 2016