U.S., May 20 -- ClinicalTrials.gov registry received information related to the study (NCT07596108) titled 'Calibre vs. COSMED' on May 05.

Brief Summary: 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.

Study Start Date: May, 2026

Study Type: INTERVENTIONAL

Condition: Cardiorespiratory Fitness

Intervention: DEVICE: COSMED Quark CPET metabolic cart

FDA-cleared cardiopulmonary exercise testing (CPET) metabolic cart used as the reference comparator for measurement of respiratory gas exchange and ventilatory parameters during ramp cycle ergometry. Participants wear a facemask conne...