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Alzheimer's Disease | Mirtazapine for Sleep Disorders in Alzheimer's Disease

Alzheimer's Disease research study

What is the primary objective of this study?

The purpose of this study is to determine whether mirtazapine is effective in the treatment of sleep disorders in Alzheimers disease.

Who is eligible to participate?

Inclusion Criteria: Fifty-five years of age or older; Diagnosis of probable Alzheimer's disease by National Institute of Neurological and Communicative Disorders and Stroke/the Alzheimer's Disease and Related Disorders Association criteria; Hachinski Ischemia Scale score less than 5 Mini-Mental State Examination score of O to 26 Actigraph evidence of a mean time immobile of less than 7 hours per night based on at least 7 nights of complete actigraph data collected over a single week; For-week history of sleep disorder behaviors, occurring at least once weekly, as reported by the caregiver using the Neuropsychiatric Inventory (NPI) Nighttime Behavior scale; Sleep disturbance observed was not present before the diagnosis of AD; Other co-morbidities, especially delirium, depression, chronic pain and medication use may be present, but do not cooperate in the primary symptoms; Computed tomography or magnetic resonance imaging since the onset of memory problems showing no more than 1 lacunar infarct in a nonstrategic area and no clinical events suggestive of stroke or other intracranial disease or normal; Stable medications for 4 weeks prior to the screening visit; Having a mobile upper extremity to which to attach an actigraph; Residing with a responsible spouse, family member, or professional caregiver who is present during the night and would agree to assume the role of the principal caregiver for the 3-week protocol; Ability to ingest oral medication and participate in all scheduled evaluations Exclusion Criteria: Sleep disturbance associated with an acute illness, delirium or psychiatric disease; Clinically significant movement disorder, such as akinesia, that would affect actigraphic differentiation of sleep and wakefulness Severe agitation; Unstable medical condition; Discontinuation of psychotropic or sleep medications within 2 weeks of the screening visit; Patient unwilling to maintain caffeine abstinence after 2:00 PM for the duration of the protocol; Patient unwilling to comply with the maximum limit of 2 alcoholic drinks per day, and only 1 alcoholic drink after 6:00 PM for the duration of the protocol; Prior use of mirtazapine for the treatment of sleep disturbances; Caregiver deemed too unreliable to supervise the wearing of the actigraph, to administer trazodone the proper time, to maintain tbe sleep diary, or to bring the patient to the scheduled visits;

Which medical condition, disease, disorder, syndrome, illness, or injury is researched?

Alzheimer's Disease

Sleep Disorders

Study Interventions

Interventions can include giving participants drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available or noninvasive approaches such as surveys, education, and interviews.

Drug:MirtazapineMirtazapine 15 mg, at night, once a day for 14 days

Study Arms

Research studies and clinical trials typically have two or more research arms. An arm is a group of people who receive the same treatment in the study.

MirtazapineMirtazapine, 15 mg once a day, at night for 14 days

PlaceboPlacebo 15 mg, once a day at night for 14 days

Study Status

Unknown status

Start Date: May 2012

Completed Date: May 2014

Phase: Phase 3

Type: Interventional

Design:

Primary Outcome: Change From Baseline in Nighttime Total Sleep Time

Secondary Outcome: Change From Baseline in Nighttime Number Of Awakenings

Study sponsors, principal investigator, and references

Principal Investigator: Francisca M Scoralick, MD

Lead Sponsor: Brasilia University Hospital

Collaborator:

More information:https://clinicaltrials.gov/show/NCT01867775

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