NCT07147010

Evaluation of Correlations Between Volatile Organic Compounds and Venous Blood Glucose in Subjects With Type 2 Diabetes

Evaluation of Correlations Between Volatile Organic Compounds (VOCs) Spectra Measured With GC-IMS and MOx-sensors and Venous Blood Glucose in Subjects With Type 2 Diabetes

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 20 (actual)
• Sponsor: DCB Research AG · Academic / Other
• Sex: All
• Age: 45 Years – 70 Years
• Healthy volunteers: Not accepted

Summary

The goal of this study is to evaluate correlations between VOCs in the breath and venous blood glucose values in various glycaemic states in people living with Type 2 Diabetes. VOCs are measured with a gold-standard GC-IMS device and a prototype of a novel breath analyzer. Participants will be exposed to different blood glucose levels at different rates of change by administering glucose solution and insulin and by a meal challenge.

Detailed description

The research project aims to expand the understanding of correlations between VOCs in the breath and venous blood glucose levels in non-insulin-dependent people with Type 2 Diabetes. To better understand correlations, the subjects are exposed to hyperglycaemic, euglycaemic and hyposglcycaemic states at different rates of change by applying a hand clamp procedure, and the VOCs are compared after a standardized meal and the same excursion by applying a hand clamp procedure. Inter- and intraparticipant variability as well as the timing of changes in the VOC spectra compared to changes in the glucose values are of interest. Secondarily, the feasibility of estimating glycaemic states with a prototype of a novel breath analyzer is being investigated.

Conditions

• Type 2 Diabetes

Interventions

Type	Name	Description
DEVICE	MIB Breath Analyzer	Going through visit-specific blood glucose excursions by the administration of glucose and insulin (clamp), monitoring physiological processes, and measuring reference blood glucose values and VOC measurements in the breath using a GC-IMS and the MIBs (investigational devices). Going through visit-specific blood glucose excursions by consuming a standardized meal, monitoring physiological processes, and measuring reference blood glucose values and VOC measurements in the breath using a GC-IMS and the MIBs (investigational devices) Imitating the glucose excursion from the meal excursion by infusing glucose and insulin (clamp), monitoring physiological processes, and measuring reference blood glucose values and VOC measurements in the breath using a GC-IMS and the MIBs (investigational devices).

Timeline

• Start date: 2024-10-01
• Primary completion: 2025-03-30
• Completion: 2025-11-27
• First posted: 2025-08-28
• Last updated: 2025-12-09

Locations

1 site across 1 country: Switzerland