Methylphenidate for Attention-Deficit/hyperactivity Disorder in Adults: a Narrative Review

Jaeschke, Rafał R.,Sujkowska, Ewelina,Sowa-Kućma, Magdalena

Psychopharmacology（2021）SCI 3区SCI 2区

Section of Affective Disorders | Department of Human Physiology

Cited 21|Views5

Abstract

Rationale Psychostimulants, including methylphenidate (MPH), are the mainstay of pharmacotherapy for attention-deficit/hyperactivity disorder (ADHD) in adults. Even though MPH is the most commonly used medication for ADHD these days, there are relatively few resources available that provide comprehensive insight into the pharmacological and clinical features of the compound. Objective The aim of this paper is to provide an up-to-date outline of the pharmacology and clinical utility of MPH for ADHD in adult patients. Methods While conducting the narrative review, we applied structured search strategies covering the two major online databases (MEDLINE and Cochrane Central Register of Controlled Trials). In addition, we performed handsearching of reference lists of relevant papers. Results Methylphenidate exhibits multimodal mechanism of action, working primarily as a dopamine and noradrenaline reuptake inhibitor. It also protects the dopaminergic system against the ongoing ‘wearing off’ (by securing a substantial reserve pool of the neurotransmitter, stored in the presynaptic vesicles). In placebo-controlled trials, MPH was shown to be moderately effective both against the core ADHD symptoms (standardized mean difference [SMD], 0.49; 95% confidence interval [CI], 0.35–0.64), and the accompanying emotion regulation deficits (SMD, 0.34; 95% CI, 0.23–0.45). The most common adverse events related to long-term treatment with MPH are decreased appetite (~ 20%), dry mouth (15%), heart palpitations (13%), gastrointestinal infections (~ 10%), and agitation/feeling restless (~ 10%). Conclusions There is substantial body of evidence to suggest that MPH is an effective and safe treatment option for adults with ADHD.

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Key words

Adult ADHD,Treatment,Psychostimulants,Methylphenidate,Pharmacology

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