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Clinical Trial Summary

This is a double-blind, placebo-controlled study, three-period crossover study to examine the likeability of a single dose of OROS MPH (CONCERTAÒ 90mg) and a single dose of Long-acting MPH (RITALIN LAÒ 90mg). Hypotheses are as follows:

Hypothesis 1: OROS-MPH (CONCERTAÒ) will be later than SODOS-MPH (RITALIN LAÒ) in its Tmax (time to Cmax).

Hypothesis 2: The subjective feelings of detection and likeability would be greater for SODOS-MPH (RITALIN LAÒ) than for an equivalent total dose of OROS-MPH (CONCERTAÒ).


Clinical Trial Description

Our recent work has suggested that the potential euphoriant risk associated with MPH may be moderated by the oral delivery system in which a longer delivery system may be safer than the immediate release one. OROS-MPH's pharmacokinetic profile uses an increasing delivery of MPH over the day (ascending pharmacokinetic curve). It was designed to replace IR-MPH TID treatment. Another new long-acting MPH formulation is the spheroidal oral drug absorption system (SODAS). SODAS-MPH consists of capsules with two types of beads in a 1 to 1 ratio. Evaluating whether different long acting formulations of MPH will differ in their rate of onset of MPH action (plasma level) is of high clinical, scientific and public health relevance. Since the rate of delivery of MPH is a key factor previously associated with detection and likeability of MPH. ;


Study Design

Allocation: Randomized, Endpoint Classification: Pharmacokinetics/Dynamics Study, Intervention Model: Crossover Assignment, Masking: Double-Blind


Related Conditions & MeSH terms


NCT number NCT00302354
Study type Interventional
Source Massachusetts General Hospital
Contact
Status Completed
Phase Phase 4
Start date December 2004
Completion date September 2005

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