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Levetiracetam and Memory Function in Amnestic Mild Cognitive Impairment (MCI)

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Johns Hopkins University

Status and phase

Completed
Phase 2

Conditions

Mild Cognitive Impairment (MCI)

Treatments

Drug: Levetiracetam 62.5mg
Drug: Levetiracetam 125mg
Drug: Placebo
Drug: Levetiracetam 250mg

Study type

Interventional

Funder types

Other
NIH

Identifiers

NCT01044758
NA_00030573
RC2AG036419 (U.S. NIH Grant/Contract)

Details and patient eligibility

About

This research is being done to find out if daily use of the drug levetiracetam can improve memory function in individuals with memory problems like those associated with Mild Cognitive Impairment (MCI) and Alzheimer's disease (AD).

Full description

Increasing research is focused on conditions that precede the clinical diagnosis of Alzheimer's disease (AD) in order to detect patients at risk for early intervention. One such condition is mild cognitive impairment (MCI). Functional magnetic resonance imaging (fMRI) studies in this group of patients have reported increased activation in the Medial Temporal Lobe (MTL) during performance of memory tasks. The functional significance of increased activation is unclear. One possibility is that greater activity reflects the increased effort needed in order to maintain performance, and as such would be a compensatory response. An alternative possibility is that increased activation reflects aberrant physiology related to the disease process itself and as such would be a sign of greater underlying disease severity and would interfere with brain function.

Data in animal models suggest the possibility that low dose levetiracetam (well-tolerated anti-convulsant) treatment may reduce the observed hyperactivity and improve memory performance among individuals with MCI. The investigators are therefore conducting a within-subjects trial of 8 weeks duration, involving 144 subjects and low dose treatment with levetiracetam. During the course of the study, each subject may receive both drug and placebo for two weeks, with the order of administering those treatments counterbalanced. Cognitive testing and fMRI imaging will be obtained after 2-weeks on drug/placebo. The overall goal of the study is to determine if treatment of MCI subjects with low dose levetiracetam reduces hyperactivity within the MTL and improves memory performance.

Enrollment

96 patients

Sex

All

Ages

50 to 85 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • All: English as a first language; right handed; able to complete written informed consent.
  • MCI subjects: In addition to above, must meet criteria for amnestic Mild Cognitive Impairment (MCI). This includes a memory complaint corroborated by an informant; impaired memory function for age and educational level; preserved general cognitive function; intact abilities of daily living; no clinical dementia.
  • Age matched Controls: Must have memory and cognitive status that is normal for their age.

Exclusion criteria

  • Familial Alzheimer's Disease (AD) due to known genetic mutations
  • AD with Parkinsonian features; major psychiatric or behavioral disorders (e.g. depression, agitation, psychosis, manic-depressive disorder)
  • Primary or metastatic intracranial neoplasm
  • History of severe head trauma
  • Intra-cerebral hemorrhage
  • Seizure disorder
  • Hemispheric stroke
  • Presence of a progressive central nervous system disease
  • Presence of lacunar infarcts
  • Medical contraindications to MRI including cardiac pacemaker, presence of intraocular or intracranial metallic objects
  • Any known allergy to levetiracetam or behavioral problems that are a contraindication to taking Levetiracetam (e.g. agitation)
  • Prescribed use of anti-seizure medications.

Trial design

Primary purpose

Basic Science

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

Double Blind

96 participants in 7 patient groups, including a placebo group

aMCI_62.5mg drug first, then placebo
Experimental group
Description:
Amnestic MCI: 62.5mg levetiracetam twice daily (two weeks), washout (4 weeks), and placebo capsule twice daily (two weeks)
Treatment:
Drug: Levetiracetam 62.5mg
Drug: Placebo
aMCI_Placebo first, then 62.5mg drug
Experimental group
Description:
Amnestic MCI: Placebo capsule twice daily (two weeks), washout (4 weeks), and 62.5mg levetiracetam twice daily (two weeks)
Treatment:
Drug: Levetiracetam 62.5mg
Drug: Placebo
aMCI_125mg drug first, then placebo
Experimental group
Description:
Amnestic MCI: 125mg levetiracetam twice daily (two weeks), washout (4 weeks), and placebo capsule twice daily (two weeks)
Treatment:
Drug: Levetiracetam 125mg
Drug: Placebo
aMCI_Placebo first, then 125mg drug
Experimental group
Description:
Amnestic MCI: Placebo capsule twice daily (two weeks), washout (4 weeks), and 125mg levetiracetam twice daily (two weeks)
Treatment:
Drug: Levetiracetam 125mg
Drug: Placebo
aMCI_250mg drug first, then placebo
Experimental group
Description:
Amnestic MCI: 250mg levetiracetam twice daily (two weeks), washout (4 weeks), and placebo capsule twice daily (two weeks)
Treatment:
Drug: Levetiracetam 250mg
Drug: Placebo
aMCI_Placebo first, then 250mg drug
Experimental group
Description:
Amnestic MCI: Placebo capsule twice daily (two weeks), washout (4 weeks), and 250mg levetiracetam twice daily (two weeks)
Treatment:
Drug: Levetiracetam 250mg
Drug: Placebo
Control_Placebo first, then placebo
Placebo Comparator group
Description:
Healthy control: placebo capsule twice daily (two weeks), washout (4 weeks), and placebo capsule twice daily (two weeks)
Treatment:
Drug: Placebo

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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