Status:
RECRUITING
HighCycle Study: Effect of High Altitude on Sleep Disordered Breathing in Women Related to Their Menstrual Cycle Phase
Lead Sponsor:
University of Zurich
Collaborating Sponsors:
National Center of Cardiology and Internal Medicine named after academician M.Mirrakhimov
University Hospital Heidelberg
Conditions:
Sleep-Disordered Breathing
Eligibility:
FEMALE
18-44 years
Brief Summary
Prospective cohort study investigating the menstrual cycle phase (MCP) dependent sleep disordered breathing (SDB) in women travelling to 3600 m.
Eligibility Criteria
Inclusion
- Criteria:
- Healthy, non-smoking women, age 18-44 years, without any diseases and need of regular medication (including oral contraceptives).
- BMI \>18 kg/m2 and \<30 kg/m2
- Born, raised and currently living at altitudes \<1000 m
- Written informed consent
- Premenopausal, eumenorrheic cycle
Exclusion
- Other types of contraceptives (hormonal intrauterine device, vaginal ring, subcutaneous injections or implants, among others)
- Pregnancy or nursing
- Anaemic (haemoglobin concentration \<10g/dl)
- Any altitude trip \<4 weks before the study
- Allergy to acetazolamide and other sulfonamides
Key Trial Info
Start Date :
July 15 2024
Trial Type :
OBSERVATIONAL
Allocation :
ESTIMATED
End Date :
December 31 2025
Estimated Enrollment :
90 Patients enrolled
Trial Details
Trial ID
NCT06498544
Start Date
July 15 2024
End Date
December 31 2025
Last Update
June 13 2025
Active Locations (1)
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1
National Center for Cardiology and Internal Medicine
Bishkek, Gorod Bishkek, Kyrgyzstan, 720040