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Artigos Científicos

segunda-feira, 17 outubro 2016 13:54

The Time Course of Effect of Multilayer-Release Methylphenidate Hydrochloride Capsules: A Randomized, Double-Blind Study of Adults With ADHD in a Simulated Adult Workplace Environment

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Sharon B. Wigal1, Tim Wigal1, Ann Childress2, Graeme A. E. Donnelly3, Joseph L. Reiz3

AVIDA, Newport Beach, CA, USA
Center for Psychiatry and Behavioral Medicine Inc., Las Vegas, NV, USA
Purdue Pharma Canada, Pickering, Ontario, Canada

Journal of Attention Disorders: SAGE Journals

October 17, 2016


Objective: The aim of this study is to assess the onset and duration of efficacy of multilayer-release methylphenidate (PRC-063) over 16 hr compared with placebo in adults with ADHD using the simulated adult workplace environment.

Method: After dose-optimization with PRC-063, participants entered a double-blind, placebo-controlled, crossover phase. Primary outcome measure was the Permanent Product Measure of Performance (PERMP) total score measured pre-dose and from 1 to 16 hr post-dose.

Results: Of the 59 randomized participants, 45 participants completed the study. While receiving PRC-063, adults had greater mean PERMP total scores across all time points compared with placebo (268.7 ± 11.24 vs. 255.6 ± 10.87; p = .0064). Common adverse events were decreased appetite, headache, and insomnia. There was no significant impact on overall sleep quality (p = .9542).

Conclusion: PRC-063 significantly improved PERMP scores with an onset within 1 hr post-dose, and maintained improvement throughout the 16 hr post-dose study period compared with placebo in adults with ADHD.

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