NCT04287543

Brief Summary

Parkinson's disease (PD) is the second most important neurodegenerative disease that affects about 2% of the population over 60 years of age. About 40% of the Mexican population with PD suffer from sleep disorders, which has been linked to a deregulation of the circadian cycle and therefore of the clock genes. Melatonin is a hormone produced by the pineal gland that regulates the sleep-wake cycle, at pharmacological doses, it is used to decrease sleep disorders; it is suggested that is used could also normalize the levels of the clock genes expression. In rats with PD, a decrease in clock genes levels has been observed, which are restored by administering melatonin. The aim of the study is to evaluate the effect of melatonin on the expression of the PER1 and BMAL1 clock genes in patients with PD during 12 months. A controlled, double-blind, randomized clinical trial will be carried out in patients with a diagnosis of PD. A survey will be applied in order to know the course of the disease and two more tests to rule out some sleep disorder, at the beginning of the study, at the 6th month and at the 12th month. A blood sample (approximately 15 ml) will be taken every 3 months for a year. By random assignment, the participant will be given Melatonin or placebo, which should be taken every day in the morning and evening after meals for one year.

Trial Health

30
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Timeline
Completed

Started May 2021

Shorter than P25 for phase_2 parkinson-disease

Geographic Reach
1 country

1 active site

Status
withdrawn

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

February 21, 2020

Completed
6 days until next milestone

First Posted

Study publicly available on registry

February 27, 2020

Completed
1.2 years until next milestone

Study Start

First participant enrolled

May 1, 2021

Completed
1.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2022

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2022

Completed
Last Updated

August 4, 2020

Status Verified

July 1, 2020

Enrollment Period

1.2 years

First QC Date

February 21, 2020

Last Update Submit

July 31, 2020

Conditions

Keywords

melatoninclock genesBMAL1 genePER1 gene

Outcome Measures

Primary Outcomes (1)

  • Expression levels of clock genes

    Relative ratio of messenger ribonucleic acid (mRNA) expression of PER1 and BMAL1 genes corresponding to a control (GAPDH) for each sample, measured by an RT-qPCR.

    Change from baseline at third, sixth, ninth and twelfth month

Secondary Outcomes (7)

  • SCOPA-Sleep scale

    Change from baseline at third, sixth, ninth and twelfth month

  • Epworth scale

    Change from baseline at third, sixth, ninth and twelfth month

  • Progression of PD

    Change from baseline at third, sixth, ninth and twelfth month

  • Anxiety

    Change from baseline at third, sixth, ninth and twelfth month

  • Depression

    Change from baseline at third, sixth, ninth and twelfth month

  • +2 more secondary outcomes

Study Arms (2)

Melatonin group

EXPERIMENTAL

Patients with PD who will receive 25 mg of melatonin gel at 12 hours a day and half an hour before sleeping for 12 months

Drug: Melatonin

Placebo group

PLACEBO COMPARATOR

Patients with PD who will receive 25 mg of placebo gel at 12 hours a day and half an hour before sleeping for 12 months

Drug: Placebos

Interventions

25 mg of melatonin gel at noon and 25 mg of melatonin gel 30 minutes before sleeping for 12 months

Melatonin group

25 mg of placebo gel at noon and 25 mg of placebo gel 30 minutes before sleeping for 12 months

Placebo group

Eligibility Criteria

Age20 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patients with diagnosis of PD in stages 1-3 of the classification by stages of Hoehn \& Yahr
  • Go with a companion to the appointments
  • Patients who agree to participate in the study and sign the Informed Consent letter

You may not qualify if:

  • Patients with movement disorder other than PD
  • Prior pallidotomy, thalamotomy or deep brain stimulation
  • Pregnant
  • Patients who consume alcohol or coffee
  • Patients who consume an antioxidant supplement

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Instituto Mexicano del Seguro Social

Guadalajara, Jalisco, 44340, Mexico

Location

Related Publications (40)

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Related Links

MeSH Terms

Conditions

Parkinson Disease

Interventions

Melatonin

Condition Hierarchy (Ancestors)

Parkinsonian DisordersBasal Ganglia DiseasesBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesMovement DisordersSynucleinopathiesNeurodegenerative Diseases

Intervention Hierarchy (Ancestors)

TryptaminesIndolesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic CompoundsHormonesHormones, Hormone Substitutes, and Hormone Antagonists

Study Officials

  • Blanca M. Torres, PhD

    Instituto Mexicano del Seguro Social

    PRINCIPAL INVESTIGATOR
0

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER GOV
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Head of aging laboratory

Study Record Dates

First Submitted

February 21, 2020

First Posted

February 27, 2020

Study Start

May 1, 2021

Primary Completion

July 1, 2022

Study Completion

August 1, 2022

Last Updated

August 4, 2020

Record last verified: 2020-07

Data Sharing

IPD Sharing
Will share

It is planned to inform the patient individually about their results; if the results are favorable it will be considered to apply them to the Clinical of Movement Disorders patients. All data will be published in an article.

Shared Documents
STUDY PROTOCOL, SAP, ICF

Locations