- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00814502
Zolpidem CR and Hospitalized Patients With Dementia
Does Zolpidem CR Treatment Change Clinical Outcomes in Elderly Hospitalized Patients With Dementia- A Pilot Study
Study Overview
Status
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Massachusetts
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Boston, Massachusetts, United States, 02144
- Massachusetts General Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age between 60-99 years
- Clinical diagnosis of Dementia of the Alzheimer's type or Vascular Dementia
- Only subjects with Mini Mental Status Examination scores of greater or equal to 10 will be enrolled.
Exclusion Criteria:
- Subjects who are too agitated to be able to wear the activity monitors;
- Subjects who are actively suicidal or homicidal or for whom the clinical treatment team considers participation in the study to be unsuitable;
- Subjects with untreated primary sleep disorders;
- Subjects who receive hypnotic medications during their participation in the study; Subjects who received hypnotic medications prior to enrollment may participate in the study if they agree to stop receiving hypnotic medications (with their attending physician's approval);
- Subjects who are receiving over the counter sleep aids;
- Subjects who can not commit to abstaining from alcohol use while in the study;
- Subjects with known anaphylactic reaction or angioedema with Zolpidem CR.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Zolpidem CR
Subjects randomized to Zolpidem CR
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After a 48-hour period of baseline actigraphy and clinical measurements, study subjects were randomized to take either Zolpidem CR 6.25mg by mouth (1 pink tablet) or Placebo by mouth (also 1 pink tablet) for up to 3 weeks or the end of the subjects' hospital stay.
Other Names:
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Placebo Comparator: Placebo
Subjects randomized to Placebo
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After a 48-hour period of baseline actigraphy and clinical measurements, study subjects were randomized to take either Zolpidem CR 6.25mg by mouth (1 pink tablet) or Placebo by mouth (also 1 pink tablet) for up to 3 weeks or the end of the subjects' hospital stay.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Sleep Efficiency
Time Frame: Post-intervention, up to 3 weeks
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Sleep efficiency during the down interval. The down interval signifies the period of time (in minutes) at night when subjects are in bed and trying to sleep. Sleep efficiency is calculated as (100*sleep minutes)/[time interval from sleep onset (as defined by the sleep latency) to sleep offset (the end of the last sleep episode in the Down interval)]. The time period was different for each patient, it was their duration of hospitalization. The first 48 hours patients were not on the study drug, so the reported least squares mean is an estimate of the mean for the subsequent time period where the patients received different therapies. These means are corrected for differences that might have existed during the first 48 hours. The results would be similar to the results attained from considering the mean during the first 48 hours as a baseline covariate in an Analysis of Covariance, but would be more robust to missing data. |
Post-intervention, up to 3 weeks
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Sleep Minutes
Time Frame: post-intervention, up to 3 weeks
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Total sleep minutes during the down period. The down interval signifies the period of time (in minutes) at night when subjects are in bed and trying to sleep. The time period was different for each patient, it was their duration of hospitalization. The first 48 hours patients were not on the study drug, so the reported least squares mean is an estimate of the mean for the subsequent time period where the patients received different therapies. These means are corrected for differences that might have existed during the first 48 hours. The results would be similar to the results attained from considering the mean during the first 48 hours as a baseline covariate in an Analysis of Covariance, but would be more robust to missing data. |
post-intervention, up to 3 weeks
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Measures of Aggression, Psychosis, General Clinical Status, Cognitive Measures, Mood Symptoms
Time Frame: post-intervention, up to 3 weeks
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Rating Scale for Aggressive Behavior in the Elderly (RAGE, 0-61); higher is worse. Disruptive Behavior Rating Scales (DBRS, 0-105); higher is worse. Neuropsychiatric Inventory (NPI, 0-144) - measures 12 different domains of neuropsychiatric symptoms such as delusions, hallucinations, anxiety, depression, apathy, etc.; higher is worse. Montgomery-Asberg Depression Rating Scale (MADRS, 0-90); higher is worse. Mini-mental state examination (MMSE, 0-30); higher is better. The time period was different for each patient, it was their duration of hospitalization. The first 48 hours patients were not on the study drug, so the reported least squares mean is an estimate of the mean for the subsequent time period where the patients received different therapies. These means are corrected for differences that might have existed during the first 48 hours. The results would be similar to the results attained from considering the mean during the firs |
post-intervention, up to 3 weeks
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Kaloyan S Tanev, MD, Massachusetts General Hospital
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Mental Disorders
- Cardiovascular Diseases
- Vascular Diseases
- Cerebrovascular Disorders
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Arteriosclerosis
- Arterial Occlusive Diseases
- Neurologic Manifestations
- Neurocognitive Disorders
- Neurodegenerative Diseases
- Tauopathies
- Intracranial Arterial Diseases
- Intracranial Arteriosclerosis
- Leukoencephalopathies
- Sleep Wake Disorders
- Parasomnias
- Dementia
- Alzheimer Disease
- Dementia, Vascular
- Chronobiology Disorders
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Central Nervous System Depressants
- Hypnotics and Sedatives
- GABA Agents
- Sleep Aids, Pharmaceutical
- GABA-A Receptor Agonists
- GABA Agonists
- Zolpidem
Other Study ID Numbers
- 2008-P-001434/1
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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