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Taking peoplePhase 4

Melatonin's Effect on Nighttime Blood Pressure and Sleep in OSA Patients (MEBP-OSA)

Key facts

Who runs it
Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran
Where
Mexico1 site in 1 countryChoose a country to see its sites
Trial code
Status
Recruiting
Phase
Phase 4
People taking part
50 people, planned
Started
22 Jun 2023
Expected to end
22 Jan 2028
Type of study
Interventional, 2 groups
Treatments tested
  • Melatonin 3 MG Oral Tablet
Record updated
1 April 2026

Who can take part

Age
18 years to 60 years
Sex
Women and men
Healthy volunteers
Cannot take part

The registry criteria, word for word

Show all 5 criteriaShow less

Who can take part

  • Polisomnographic diagnosis of Obstructive Sleep Apnea
  • Non-dipping blood pressure on Ambulatory blood pressure monitoring (ABPM):

Who cannot take part

  • Use of sleep or psychiatric medication
  • Neurologic or psychiatric disorder
  • Use of Positive Airway Pressure (CPAP or Bipap)

Check if you might fit

Answer for yourself. This is not a decision: only the study team can say whether you can take part.

  • Are you between 18 and 60 years old?

This trial has no sites in United States.

It has sites in one country. Choose a country to see its sites.

About the trial

What the trial wants to find out

The goal of this clinical trial is to learn if melatonin works to treat comorbid insomnia in adults with OSA and nocturnal non-dipping blood pressure pattern.

Read full original descriptionShow less

The main question it aims to answer is:

Does melatonin maintain sleep during night and recover the dipping blood pressure pattern?

The 2 groups in the trial

  • Usual care for nocturnal non-dipping Blood Pressurem in OSATreatment being tested

    1\. Group of participants receives an intervention/treatment considered to be usual care

    Treatment: Melatonin 3 MG Oral Tablet

  • Oral administration of 3 mg/day of melatonin for 30 days in non-dipping Blood Pressure in OSATreatment being tested

    2\. Group of participants receives oral Melatonin 3 mg/day during 30 days plus usual care

    Treatment: Melatonin 3 MG Oral Tablet

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?

Contact the study team: see the registry record → Contacts and Locations

Print a page for my doctor

Data and sources

Registry record
Listed on ClinicalTrials.gov.
Official title
Impact of Melatonin Treatment on Blood Pressure Circadian Rhythm, Sleep and Metabolic Variables.
Fit questions
Built from NCT06380491, who can take part
Record updated
1 April 2026