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Mental Health
Methylphenidate for ADHD rejected from the WHO Essential Medicines List due to uncertainties in benefit-harm profile
  1. Ole Jakob Storebø1,2,
  2. Christian Gluud3
  1. 1Psychiatric Department, Center For Evidence Based Psychiatry, Psychiatric Research Unit, Slagelse, Denmark
  2. 2Department of Psychology, Faculty of Health Science, University of Southern Denmark, Odense, Denmark
  3. 3The Copenhagen Trial Unit (CTU), Centre for Clinical Intervention Research, Copenhagen, Denmark
  1. Correspondence to Dr Ole Jakob Storebø, Psychiatric Department, Center for Evidence Based Psychiatry, Psychiatric Research Unit, Slagelse 4000, Denmark; ojst{at}regionsjaelland.dk

Abstract

Attention deficit hyperactivity disorder (ADHD) is a common psychiatric disorder with estimated global prevalence rates between 3% and 5% in children and 2.5% in adults, depending on the classification system used. The psychostimulant methylphenidate is one of the most frequently used medications for ADHD. In this analysis article we describe shortly the evidence in the field, an application for inclusion of methylphenidate on the WHO Model List of Essential Medicines, the comments raised to the application and the WHO Expert Committee’s decision. The application of getting methylphenidate on the WHO list was overzealous in reporting potential benefits, without highlighting key uncertainties and harms. Decisions encompassing medicines candidate to the WHO Model List should not be based on speculation about potential benefits and should fully incorporate areas of uncertainties. Even though methylphenidate has been used for over 60 years, the evidence concerning the benefits of this medication in children, adolescents and adults with ADHD is uncertain. The decision of the committee was to not include methylphenidate in the WHO Model List of Essential Medicines ‘due to uncertainties in the estimates of benefit, and concerns regarding the quality and limitations of the available evidence for both benefit and harm’.

  • psychiatry
  • adult psychiatry
  • child & adolescent psychiatry
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Footnotes

  • Contributors OJS wrote the first draft. Both authors approved the final version. OJS is the guarantor. The contributors are scientists with a long-standing interest in the treatment of ADHD.

  • Funding The Psychiatric Research Unit in Region Zealand and the Copenhagen Trial Unit supported this project with part-time salary for OJS and CG during the writing of the manuscript.

  • Competing interests None declared.

  • Patient and public involvement statement No patients were involved.

  • Patient consent for publication Not required.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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