Effect of Melatonin on Sleep Quality in Patients Dementia

NCT ID: NCT03066518

Last Updated: 2017-02-28

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

40 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-01-15

Study Completion Date

2017-01-25

Brief Summary

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Introduction: Patients with dementia may suffer from poor sleep quality. Disturbance in the metabolism melatonin may have a role in the pathogenesis of sleep-wake cycle alterations in dementia.

Objective: To evaluate the efficacy of low dose exogenous melatonin in improving sleep quality.

Design: A single-center randomized, double-blinded, placebo-controlled study carried out on outpatients with dementia and sleep alterations.

Participants: The investigators calculated a 40 individuals aged 65 years or over with a diagnosis of mild-moderate dementia (Clinical Dementia Rating 1-2).

Intervention: Patients were randomized to receive either 5 mg of melatonin or placebo every night for 8 weeks.

Measurements: The primary outcome was sleep quality according to the Pittsburgh Sleep Quality Index (PSQI).

Detailed Description

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This is a single-center study. The study protocol, informed consents, and amendments were approved in writing by the appropriate local site Independent Ethics Committee (IEC)/Institutional Review Boards (IRB) (Ethics Committee of the Universidad Autónoma de Nuevo León, School of Medicine).

The patients were recruited as outpatients from the Geriatrics Clinic. A total of 67 patients were screened out of which 40 male and female patients diagnosed with mild to moderate dementia were recruited to the study. Following inclusion, all patients underwent randomization to treatment with melatonin (5 mg orally) or placebo for 8 weeks. To prevent bias, matching placebo tablets, which were identical in appearance, taste, and odor, were used. The treatment was double-blinded, with two parallel treatment groups. Selection for a treatment group was determined by a computer-generated randomization list, in a 1:1 ratio using the randomized permuted blocks method.

Conditions

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Sleep Disorders Dementia

Keywords

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melatonin sleep dementia cognition

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

A randomized, double-blinded, placebo-controlled study
Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors
Selection for a treatment group was determined by a computer-generated randomization list, in a 1:1 ratio using the randomized permuted blocks method.

Study Groups

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Melatonin

Melatonin 5 mg, daily, eight weeks

Group Type PLACEBO_COMPARATOR

Melatonin 5 mg

Intervention Type DRUG

placebo

Placebo, daily, eight weeks

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type OTHER

Interventions

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Melatonin 5 mg

Intervention Type DRUG

Placebo

Intervention Type OTHER

Other Intervention Names

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Benedorm

Eligibility Criteria

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Inclusion Criteria

* Older than 60 years;
* Circadian cycle sleep disorder with insomnia (according to Diagnostic and Statistical Manual of Mental Disorders- V criteria);
* Mild or moderate dementia (clinical dementia rating 1 and 2);
* Medications such as anti-depressants, acetylcholinesterase inhibitors, antipsychotics or memantine were allowed as long as they were initiated for over 8 weeks.

Exclusion Criteria

* They had other diagnoses of sleep disorders, known hypersensitivity to melatonin, use of stimulants or hypnotics, recent diagnosis (within 8 weeks) of mood disorders or neuropsychiatric symptoms.
Minimum Eligible Age

60 Years

Maximum Eligible Age

95 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Hospital Universitario Dr. Jose E. Gonzalez

OTHER

Sponsor Role lead

Responsible Party

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Rocio Morales Delgado

MD

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Guillermo Guajardo, MD

Role: STUDY_DIRECTOR

HUGonzález

References

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Crowley K. Sleep and sleep disorders in older adults. Neuropsychol Rev. 2011 Mar;21(1):41-53. doi: 10.1007/s11065-010-9154-6. Epub 2011 Jan 12.

Reference Type BACKGROUND
PMID: 21225347 (View on PubMed)

Neikrug AB, Ancoli-Israel S. Sleep disorders in the older adult - a mini-review. Gerontology. 2010;56(2):181-9. doi: 10.1159/000236900. Epub 2009 Sep 9.

Reference Type BACKGROUND
PMID: 19738366 (View on PubMed)

Beaulieu-Bonneau S, Hudon C. Sleep disturbances in older adults with mild cognitive impairment. Int Psychogeriatr. 2009 Aug;21(4):654-66. doi: 10.1017/S1041610209009120. Epub 2009 May 11.

Reference Type BACKGROUND
PMID: 19426575 (View on PubMed)

Woods DL, Phillips LR, Martin JL. Biological basis for sleep disturbance and behavioral symptoms in dementia: a biobehavioral model. Res Gerontol Nurs. 2011 Oct;4(4):281-93. doi: 10.3928/19404921-20110302-01. Epub 2011 Mar 16.

Reference Type BACKGROUND
PMID: 21417189 (View on PubMed)

Guarnieri B, Cerroni G, Sorbi S. Sleep disturbances and cognitive decline: recommendations on clinical assessment and the management. Arch Ital Biol. 2015 Jun-Sep;153(2-3):225-30. doi: 10.12871/0003982920152347.

Reference Type BACKGROUND
PMID: 26742676 (View on PubMed)

Ooms S, Ju YE. Treatment of Sleep Disorders in Dementia. Curr Treat Options Neurol. 2016 Sep;18(9):40. doi: 10.1007/s11940-016-0424-3.

Reference Type BACKGROUND
PMID: 27476067 (View on PubMed)

Xu J, Wang LL, Dammer EB, Li CB, Xu G, Chen SD, Wang G. Melatonin for sleep disorders and cognition in dementia: a meta-analysis of randomized controlled trials. Am J Alzheimers Dis Other Demen. 2015 Aug;30(5):439-47. doi: 10.1177/1533317514568005.

Reference Type BACKGROUND
PMID: 25614508 (View on PubMed)

McCleery J, Cohen DA, Sharpley AL. Pharmacotherapies for sleep disturbances in dementia. Cochrane Database Syst Rev. 2016 Nov 16;11(11):CD009178. doi: 10.1002/14651858.CD009178.pub3.

Reference Type BACKGROUND
PMID: 27851868 (View on PubMed)

Chien MY, Chen HC. Poor sleep quality is independently associated with physical disability in older adults. J Clin Sleep Med. 2015 Mar 15;11(3):225-32. doi: 10.5664/jcsm.4532.

Reference Type BACKGROUND
PMID: 25515275 (View on PubMed)

Morales-Delgado R, Camara-Lemarroy CR, Salinas-Martinez R, Gamez-Trevino D, Arredondo-Jaime A, Hernandez-Maldonado E, Guajardo-Alvarez G. A randomized placebo-controlled trial evaluating the effect of melatonin on sleep quality in patients with mild-moderate dementia. Eur Geriatr Med. 2018 Aug;9(4):449-454. doi: 10.1007/s41999-018-0068-9. Epub 2018 May 24.

Reference Type DERIVED
PMID: 34674490 (View on PubMed)

McCleery J, Sharpley AL. Pharmacotherapies for sleep disturbances in dementia. Cochrane Database Syst Rev. 2020 Nov 15;11(11):CD009178. doi: 10.1002/14651858.CD009178.pub4.

Reference Type DERIVED
PMID: 33189083 (View on PubMed)

Other Identifiers

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GE15-002

Identifier Type: -

Identifier Source: org_study_id