Actively Recruiting

Phase 1
Phase 2
Age: 18Years - 45Years
All Genders
Healthy Volunteers
NCT03255408

Cerebral Blood Flow and Ventilatory Responses During Sleep in Normoxia and Intermittent Hypoxia

Led by University of Calgary · Updated on 2026-05-01

12

Participants Needed

1

Research Sites

260 weeks

Total Duration

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AI-Summary

What this Trial Is About

A prospective double blind, placebo-controlled, randomized cross-over trial to evaluate the effect of lowering cerebral blood flow on the ventilatory chemoreflexes (acute hypoxic and hypercapnic ventilatory responses).

CONDITIONS

Official Title

Cerebral Blood Flow and Ventilatory Responses During Sleep in Normoxia and Intermittent Hypoxia

Who Can Participate

Age: 18Years - 45Years
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Healthy adults
  • Aged 18 to 45 years
  • Living in Calgary for the past one year
  • No medical conditions and not taking blood pressure medications
  • Not lactose intolerant
Not Eligible

You will not qualify if you...

  • History of cerebrovascular, cardio-respiratory, kidney, or metabolic diseases
  • Bleeding disorders or upper gastrointestinal diseases such as peptic ulcer disease
  • Pregnancy, obesity, or sleep-disordered breathing
  • Allergies to non-steroidal anti-inflammatory drugs
  • Current smokers

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

University of Calgary

Calgary, Alberta, Canada, T2N 4N1

Actively Recruiting

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How is the study designed?

Study Type

INTERVENTIONAL

Masking

DOUBLE

Allocation

RANDOMIZED

Model

CROSSOVER

Primary Purpose

BASIC_SCIENCE

Number of Arms

4

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