Hypoxia and Hemodilution Testing in Healthy Adult Volunteers

Starting soon

Conditions studied: Hypoxia, Hemodilution

In brief

This study will collect physiological measurements in healthy adult volunteers under controlled hypoxia and hemodilution conditions.

Key facts

Study ID

NCT07503171

Run by

Nihon Kohden

People needed

7

Starts

2026-04-02

Expected to finish

2028-01-31

Last updated by the study team

2026-03-31

Who can join

Age: 18 and older, up to 35. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• In good general health with no evidence of significant medical problems.
• Fluent in both written and spoken English.
• Has provided written informed consent and is willing to comply with study procedures.

You may not qualify if…

• BMI above 30.
• History of heart, lung, kidney, or liver disease.
• Diagnosis of asthma, sleep apnea, or use of CPAP.
• Diabetes mellitus.
• Clotting disorders.
• Hemoglobinopathy or history of anemia (ctHb <12 g/dL for men, <11 g/dL for women, COHb >2%).
• Any serious systemic illness.
• Current smoker.
• Injury or abnormality at sensor sites interfering with measurements.
• History of fainting or vasovagal response.
• Sensitivity to local anesthesia.
• Diagnosis of Raynaud's disease.
• Unacceptable collateral circulation (Allen's test).
• Pregnant, lactating, or attempting to become pregnant.
• Unable or unwilling to provide informed consent or comply with study procedures.
• Any other condition deemed unsuitable by the investigator.

Where it is running

• Vital Sign Research Group — San Francisco, California, United States

Full record on ClinicalTrials.gov

Trial information comes from ClinicalTrials.gov and is refreshed daily. TrialsForMe does not provide medical care and does not run the studies it lists.