Skip to content

Technical Feasibility Study of a Novel Wearable Capnograph (MARIE) in an Emergency Care Environment, Part 1

Technical Feasibility Study of a Novel Wearable Capnograph (MARIE) in an Emergency Care Environment, Part 1

Status
Completed
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06905613
Acronym
MARIE
Enrollment
49
Registered
2025-04-01
Start date
2024-12-19
Completion date
2025-03-28
Last updated
2026-05-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Ambulances, Technical Feasibility

Keywords

MARIE Capnograph, MARIE Nasal Adapter Set O2 - Adult, Mainstream Respiratory Infrared Equipment, capnograph

Brief summary

You have been assessed by paramedics as needing to go to the emergency department. During transport, the paramedics will monitor you by, for example, measuring your blood pressure and checking your pulse. In healthcare, we are constantly working to improve and optimize the degree of monitoring during ambulance transports and through this also be able to start adequate treatment earlier. In this case, we are working to understand whether exhaled carbon dioxide levels can be used to monitor important processes in the body during ambulance transport. Therefore, we offer you to participate in a project that deals with whether we can use a new equipment to measure and monitor exhaled carbon dioxide during the journey to hospital. This clinical trial is being conducted in Region Uppsala in collaboration with Oxlantic Medical AB. The main responsible and Sponsor for the trial is Oxlantic Medical AB. The research lead for the trial is Region Uppsala and Uppsala University. This clinical trial has been subject to ethical review and approved by the Ethics Review Authority.

Interventions

DEVICETechnical feasibility study of a novel wearable capnograph (MARIE) in an emergency care environment

MARIE will be connected to the patient by attaching the nasal adapter set and connecting the CO2 sensor. ETCO2 and RR values will be logged before and during the transport by writing down the values in the Case Report Form (CRF). On arrival at the hospital ETCO2 and RR will be measured by a reference instrument and logged in to the CRF. There will be trained study personnel responsible for operating the investigational device and populating the CRF, capturing all information which is required according to the study protocol.

Sponsors

Uppsala University
Lead SponsorOTHER
Uppsala University Hospital
CollaboratorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
DEVICE_FEASIBILITY
Masking
NONE

Intervention model description

In the first step we will include 20 Healthy volunters and if no AE we plan to include 30 patients

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* 20 healthy volunteers 18-84 years * 30 patients between 18-84 years being transported by ambulance

Exclusion criteria

* Priority 1 ambulance transports * Patients needing oxygen supply * Known pregnancy * Patients unable to provide informed consent

Design outcomes

Primary

MeasureTime frameDescription
Adequate values of ETCO2 and respiratory rateDuring ambulance transport from the start of the transport to the arrival at the emergency departmentVerifying that credible measurements of EtCO2 and Respiratory Rate are reported during the transport.

Countries

Sweden

Contacts

PRINCIPAL_INVESTIGATORDavid Smekal, MD, PhD, docent

Department of Surgical Sciences

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jul 23, 2026