Calibre vs. COSMED

Starting soon · Not applicable

Conditions studied: Cardiorespiratory Fitness

In brief

This study evaluates agreement between the Calibre device and the COSMED Quark CPET system for measurement of cardiorespiratory fitness parameters during maximal exercise testing in adults aged 18-55 years.

Key facts

Study ID

NCT07596108

Run by

Duke University

People needed

40

Starts

2026-09-01

Expected to finish

2027-07-01

Last updated by the study team

2026-06-17

Who can join

Age: 18 and older, up to 55. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Age 18-55
• Able to speak English
• Able to provide informed consent

You may not qualify if…

• Acute myocardial infarction
• Unstable angina
• Syncope
• Uncontrolled asthma
• Arterial desaturation at rest on room air <85%
• Severe untreated arterial hypertension at rest (>200 mm Hg systolic, >120 mm Hg diastolic)
• Significant pulmonary hypertension
• Active thrombosis of the lower extremity, unless treated for at least 2 weeks prior to participation.
• Within 2 weeks of acute symptomatic pulmonary embolus
• Considered inappropriate to participate by Principal Investigator
• Previously experienced a heart attack
• Pregnancy

Full record on ClinicalTrials.gov

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