Evidence map›Paper›PMID 23290598›Full record

Trial reportThe Lancet. Neurology2013

Memantine in patients with frontotemporal lobar degeneration: a multicentre, randomised, double-blind, placebo-controlled trial.

Adam L Boxer, David S Knopman, Daniel I Kaufer, Murray Grossman, Chiadi Onyike, Neill Graf-Radford, Mario Mendez, Diana Kerwin, Alan Lerner, Chuang-Kuo Wu and 12 more

2 registry-linked trialsAbstract readMulticenter StudyRandomized Controlled Trial
In one paragraph

Trial report in The Lancet. Neurology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 2 registered trials, which are not on this map. Cited by 92 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
92citing papers in PubMed, 4 pooled it
16.3field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT00545974 phase4completednot on this map

A Prospective, Randomized, Multi-Center, Double-Blind, 26 Week, Placebo-Controlled Trial of Memantine (10mg BID) for the Frontal and Temporal Subtypes of Frontotemporal Dementia

TypeinterventionalSponsorUniversity of California, San FranciscoRan2007 to 2012Enrolled81ConditionsFrontal Lobe Dementia, Frontotemporal Lobe Dementia, Semantic DementiaArmsmemantine, Placebo pill
NCT02365922 completednot on this mapstarted 2014, after this paper: background citation

Rare Diseases Clinical Research Network Advancing Research and Treatment for Frontotemporal Lobar Degeneration [ARTFL]: Research Projects 1 & 2

TypeobservationalSponsorUniversity of California, San FranciscoRan2014 to 2020Enrolled1,489ConditionsFTLD, Progressive Supranuclear Palsy (PSP), Frontotemporal Dementia (FTD), Corticobasal Degeneration (CBD)
3 · Its place in the literature

Who cites it

92 citing papers in PubMed, 4 syntheses or guidelines pooled it, 217 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Memantine for dementia.The Cochrane database of systematic reviews · 2019
    Pooled it
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  9. Results from a pilot study on amiodarone administration in monogenic frontotemporal dementia with granulin mutation.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2014
    Trial
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  11. Article
  12. Review
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32 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

22 authors at 11 institutions in 1 country.

Adam L BoxerMemory and Aging Center, Department of Neurology, University of California, San Francisco, CA, USA. aboxer@memory.ucsf.edu
David S Knopman
Daniel I Kaufer
Murray Grossman
Chiadi Onyike
Neill Graf-Radford
Mario Mendez
Diana Kerwin
Alan Lerner
Chuang-Kuo Wu
Mary Koestler
Jill Shapira
Kathryn Sullivan
Kristen Klepac
Kristine Lipowski
Jerin Ullah
Scott Fields
Joel H Kramer
Jennifer Merrilees
John Neuhaus
M Marsel Mesulam
Bruce L Miller
University Memory and Aging Center · USUniversity of California, San Francisco · USNorthwestern University · USUniversity of California, Los Angeles · USJohns Hopkins University · USMayo Clinic in Arizona · USMayo Clinic in Florida · USTexas Tech University · USUniversity of North Carolina at Chapel Hill · USUniversity of Pennsylvania · USWestern University of Health Sciences · US

Funding

TDP-43 Loss-of-Function: Biology to BiomarkersP01AG019724 · NIA · UNIVERSITY OF PENNSYLVANIA · PI Jennifer Merrilees · 2002 to 2026
$67.2M
UC Irvine Alzheimer's Disease Research Center Induced Pluripotent Stem Cell CoreP50AG016573 · NIA · UNIVERSITY OF CALIFORNIA-IRVINE · PI LAFERLA, FRANK M · 2000 to 2019
$37.0M
Neuropathology CoreP30AG013854 · NIA · NORTHWESTERN UNIVERSITY AT CHICAGO · PI BIGIO, EILEEN H. · 1996 to 2020
$28.9M
PrPSc SPECIFIC INTERACTION WITH NOVEL PrP-Fc FUSION PROTEINSP50AG023501 · NIA · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI MILLER, BRUCE L · 2004 to 2018
$27.1M
The Four Repeat Tauopathy Neuroimaging InitiativeR01AG038791 · NIA · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI BOXER, ADAM L. · 2010 to 2020
$18.1M
Multidisciplinary Clinical and Translational Science (MCTS) Program (UL1)UL1TR000150 · NCATS · NORTHWESTERN UNIVERSITY AT CHICAGO · PI LLOYD-JONES, DONALD M · 2012 to 2013
$10.1M
Language in Primary Progressive AphasiaR01DC008552 · NIDCD · NORTHWESTERN UNIVERSITY AT CHICAGO · PI MESULAM, MAREK-MARSEL M · 2007 to 2021
$8.5M
Eye Movement Control in Normal Elderly and MCIR01AG031278 · NIA · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI BOXER, ADAM L. · 2009 to 2013
$1.2M
NCATS NIH HHS UL1 TR000150NIA NIH HHS P01 AG019724NIA NIH HHS P01AG019724NIA NIH HHS P30 AG013854NIA NIH HHS P50 AG023501NIA NIH HHS P50AG023501NIA NIH HHS P50 AG1657303NIA NIH HHS R01 AG031278NIA NIH HHS R01AG031278NIA NIH HHS R01 AG038791NIA NIH HHS R01AG038791NIDCD NIH HHS R01 DC008552
6 · The paper itself

Abstract

backgroundMemantine has been used off-label to treat frontotemporal lobar degeneration (FTD). A previous 26-week open-label study suggested a transient, modest benefit on neuropsychiatric symptoms as measured by the neuropsychiatric inventory (NPI). We aimed to determine whether memantine is an effective treatment for FTD.

methodsWe did a randomised, parallel group, double-blind, placebo-controlled trial of 20 mg memantine taken orally daily for 26 weeks in patients with FTD. Participants met Neary criteria for behavioural variant FTD (bvFTD) or semantic dementia and had characteristic brain atrophy. Use of acetylcholinesterase inhibitors was prohibited. Individuals were randomly assigned to receive either memantine or matched placebo tablets (1:1) in blocks of two and four patients. All patients and study personnel were masked to treatment assignment. Primary endpoints were the change in total NPI score and clinical global impression of change (CGIC) score after 26 weeks and were analysed by intention to treat. This study is registered with Clinicaltrials.gov, number NCT00545974.

findingsOf 100 patients screened, 81 were randomly assigned to receive memantine (39 patients) or placebo (42 patients). Five (6%) patients discontinued, and 76 completed the 26-week treatment. Enrolment numbers were lower than planned because of many patients' preference to take memantine or cholinesterase inhibitors off-label rather than participate in a clinical trial. Memantine treatment had no effect on either the NPI (mean difference 2·2, 95% CI -3·9 to 8·3, p=0·47) or CGIC (mean difference 0·0, -0·4 to 0·4, p=0·90) after 26 weeks of treatment. Memantine was generally well tolerated; however, patients in the memantine group had more frequent cognitive adverse events (six patients) than those in the placebo group (one).

interpretationMemantine treatment showed no benefit in patients with FTD. These data do not support memantine use in FTD.

fundingForest Research Institute.

Indexed as

AgedChi-Square DistributionDouble-Blind MethodExcitatory Amino Acid AntagonistsFemaleFollow-Up StudiesFrontotemporal Lobar DegenerationHumansMaleMemantineMiddle AgedNeuropsychological TestsPsychiatric Status Rating ScalesRetrospective StudiesTreatment OutcomeExcitatory Amino Acid AntagonistsMemantine

Identifiers

PMID23290598
PMCPMC3756890
OpenAlexW2106046611

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.