Efficacy of memantine hydrochloride once-daily in Alzheimer's disease

Alexander Kurz, Timo Grimmer

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

Introduction: In people with moderate-to-severe dementia in Alzheimer's disease (AD) memantine provides some clinical benefits. It is commonly administered twice daily at a maximum dose of 20 mg. To improve medication adherence, convenience of use and to enable a higher daily dose, a 28 mg, extended-release formulation of memantine has been developed.Areas covered: We review the results of a Phase III randomized and controlled trial of memantine extended release as an add-on treatment and compared the findings with a similarly designed previous trial evaluating the immediate release (IR) form.Expert opinion: Memantine extended release produced minor benefits on cognitive ability, including verbal fluency, behavioral problems and global clinical assessment. There was no difference between the treatment groups on activities of daily living. The observed effects were not larger than those of the IR formulation tested in a similar setting. The lack of impact on activities of daily living suggests that the small improvements in cognition and behavior did not translate into clinically important changes. In conclusion, there is no convincing evidence that the novel once-daily formulation of memantine represents a significant progress in the clinical management of AD that would justify additional treatment costs.

Original languageEnglish
Pages (from-to)1955-1960
Number of pages6
JournalExpert Opinion on Pharmacotherapy
Volume15
Issue number13
DOIs
StatePublished - Sep 2014

Keywords

  • Alzheimer's disease
  • Efficacy
  • Extended release
  • Memantine
  • Phase III
  • Randomized controlled trial

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