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Immediate-release methylphenidate for attention deficit hyperactivity disorder (ADHD) in adults.

ABSTRACT:

SUBMITTER: Candido RCF

PROVIDER: S-EPMC8092481 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature

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Immediate-release methylphenidate for attention deficit hyperactivity disorder (ADHD) in adults.

Cândido Raissa Carolina F RCF Menezes de Padua Cristiane A CA Golder Su S Junqueira Daniela R DR

The Cochrane database of systematic reviews 20210118

<h4>Background</h4>Attention deficit hyperactivity disorder (ADHD) is characterized by symptoms of inattention or impulsivity or both, and hyperactivity, which affect children, adolescents, and adults. In some countries, methylphenidate is the first option to treat adults with moderate or severe ADHD. However, evidence on the efficacy and adverse events of immediate-release (IR) methylphenidate in the treatment of ADHD in adults is limited and controversial.<h4>Objectives</h4>To evaluate the eff ...[more]

PMID: 33460048

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Project description:IntroductionTreatment options for adults with attention deficit hyperactivity disorder (ADHD) are limited. The study was conducted to confirm the clinically effective and safe dose of methylphenidate hydrochloride modified-release (MPH-LA) in adults with ADHD and evaluate the maintenance of effect of MPH-LA.MethodsThe study consisted of three treatment phases. The double-blind dose-confirmation phase: 9-week double-blind period (3-week titration period, 6-week fixed dose) with randomization to MPH-LA 40, 60, or 80 mg/day or placebo. The real-life dose-optimization phase: a 5-week re-titration period to optimal dose; and the double-blind maintenance of effect phase, a 6-month double-blind randomized placebo-controlled maintenance of effect phase. The three co-primary endpoints were change in Diagnostic and Statistical Manual of Mental Disorders-IV ADHD Rating Scale (DSM-IV ADHD RS) and Sheehan Disability Scale (SDS) total scores from baseline to end of 9-week confirmation phase and the percentage of treatment failures during the 6-month maintenance of effect phase.Results725 of 863 screened patients were randomized to 40 (N = 181), 60 (N = 182), or 80 mg (N = 181) MPH-LA or placebo (N = 181), and 584 (80.6%) completed. 489 (83.7%) of completers were re-randomized to the double-blinded maintenance of effect phase and 235 (48.1%) of them completed. Improvement from baseline in DSM-IV ADHD RS (P < 0.0001 for all comparisons) and SDS (40 mg, P = 0.0003; 60 mg, P = 0.0176; 80 mg, P < 0.0001) total scores was significantly greater vs. placebo for all MPH-LA doses. Treatment failure rate was significantly lower with MPH-LA (21.3%) versus placebo (49.6%) during the 6-month maintenance of effect phase. Safety profile was consistent with the profile for MPH-LA in children; percentage of serious adverse events was comparable between all MPH-LA arms (1.3%) and placebo (1.5%), while percentage of adverse events was higher in MPH-LA arms.ConclusionMPH-LA provided and maintained significant symptomatic and functional improvement in adult ADHD patients.

Dataset Information

Immediate-release methylphenidate for attention deficit hyperactivity disorder (ADHD) in adults.

Publications

Immediate-release methylphenidate for attention deficit hyperactivity disorder (ADHD) in adults.

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