๐๏ธ Verified NIH Record โข Updated 2026-04-27
Cerebral Blood Flow and Ventilatory Responses During Sleep in Normoxia and Intermittent Hypoxia (NCT03255408)
Role of Cerebral Blood Flow on Ventilatory Stability During Sleep in Normoxia and Intermittent Hypoxia
๐ข Recruiting Phase1 / Phase2 ๐ Investigational Drug / Biologic Sponsor: University of Calgary
๐ฉบ Plain-English Summary (8th-Grade Level)
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).
Who can join: Review the eligibility criteria below.
Location: University of Calgary โ Calgary, Alberta
Age range: 18 Years to 45 Years
๐งช Interventions in This Study
๐ "Do I Qualify?" โ 1-Minute Self Screener
Instant ChecklistFull eligibility criteria are available on the official NIH protocol. View the criteria โ
๐ All Participating Trial Locations (1 Sites)
- University of Calgary โ Calgary, Alberta
๐ฐ Cost, Insurance & Patient Rights
- 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
- Routine Patient Care: Under federal law (ACA ยง 2709) and many state statutes, routine care costs are covered during participation.
- Voluntary Participation: You may withdraw at any time without affecting your standard medical care.
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๐ก How to Participate
- Check the checklist above to see if you may qualify.
- Review the official NIH record below to find the coordinating site.
- Ask about the visit schedule, what is covered at no cost, and any travel support.
- Confirm with your own doctor before making a decision.