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Investigation of Memantine in the Treatment of Memory, Concentration or Attention Problems

Phase 2
Completed
Conditions
Subjective Cognitive Impairment
Memory, Concentration or Attention Problems
Retention Disorder, Cognitive
Memory Disorder
Interventions
Drug: Placebo
Registration Number
NCT01261741
Lead Sponsor
Merz Pharmaceuticals GmbH
Brief Summary

In this study, memantine will be tested in a new indication: in the treatment of subjective memory, concentration, or attention problems (subjective cognitive impairment) in the absence of dementia.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
299
Inclusion Criteria
  • Subjective worsening of memory, concentration or attention problems for longer than 6 months
  • Subject can confirm that a relative or friend has noticed the memory, concentration or attention problems of the subject
  • Experience of the memory, concentration or attention problems at least four times per week
Exclusion Criteria
  • Significant neurological disease or major psychiatric disorder (e.g. diagnosis of psychosis or dementia)
  • Significant systemic illness, such as cancer, heart or kidney failure, uncontrolled diabetes
  • History of stroke or seizure, or myocardial infarction within the last year (e.g. by inclusion questionnaire, physician interview)

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
PlaceboPlacebo-
MemantineMemantine-
Primary Outcome Measures
NameTimeMethod
"Patient Global Impression of Change" (PGI-C) at visit 412 weeks

It is the statistical comparison between the placebo group and the memantine group.The group comparison will be performed by the use of an analysis of covariance (ANCOVA) model.

Secondary Outcome Measures
NameTimeMethod
Change from baseline to visit 3 and 5 of Patient Global Impression of Change (PGI-C)16 weeks
Change from baseline to visit 4 in "Everyday Cognition 39" (ECog 39) total score12 weeks
Change from baseline to visit 4 in "Hospital Anxiety and Depression Scale" (HADS) Score12 weeks
Change from baseline to visit 3, 4, 5 of "Computer-based Neuropsychological Test Battery (C-NTB) by CogState Ltd.16 weeks

Trial Locations

Locations (14)

Praxis Dr. Heidenreich

🇩🇪

Böblingen, Germany

Praxis Dr. Krause

🇩🇪

Wolfratshausen, Germany

Klinische Forschung Berlin-Mitte

🇩🇪

Berlin-Mitte, Germany

Universitätsklinikum Carl Gustav Carus

🇩🇪

Dresden, Germany

Praxis Dr. Albrecht

🇩🇪

Ellwangen, Germany

Praxis Dr. Reifschneider

🇩🇪

Erbach, Germany

Klinische Forschung Hannover-Mitte

🇩🇪

Hannover, Germany

Universitätsklinikum der RWTH Aachen

🇩🇪

Aachen, Germany

ZSL Zentrum für medizinische Studien in Leipzig

🇩🇪

Leipzig, Germany

Praxis Dr. Pauls

🇩🇪

München, Germany

Praxis Dr. Kühn

🇩🇪

Oranienburg, Germany

Community Pharmacology Services (CPS)

🇬🇧

Glasgow, United Kingdom

Royal United Hospital

🇬🇧

Bath, United Kingdom

Moorgreen Hospital

🇬🇧

West End, Southampton, United Kingdom

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