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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03400553
Other study ID # Troponin-T POCT
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date January 1, 2018
Est. completion date January 15, 2020

Study information

Verified date April 2023
Source Ziekenhuis Oost-Limburg
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Thoracic pain can be caused by a life threatening disease as for instance a heart attack. Fast diagnosis and treatment is necessary for an advantageous clinical outcome. When a patient enters the emergency unit, an electrocardiogram (ECG) can diagnose a heart attack by recording the electrical activity of the patients' heart. However, an increasing number of patients with an acute myocardial infarction (AMI) are presenting without significant abnormalities on ECG In the latter group, diagnosis is dependent of elevated biochemical markers of myocardiocyte necrosis in the blood such as troponin. Generally, troponins are determined in blood and are analyzed by radiometry or at the hospital's laboratory. Time loss in the acquisition of troponin levels can occur during the workflow due to blood sampling difficulties, transport of the blood samples, processing in the laboratory, and processes inherent to the measuring assays. Roche developed a portable point-of-care (POC) device that determines troponin-T in a few minutes by using small volumes of the patient's blood with the added value that this device can be used in a pre-hospital setting which might save a significant amount of time in determining troponin levels.In this way, a faster diagnosis of AMI can be made improving patients' outcome.


Description:

In this prospective pilot study, 70 patients will be recruited over a time period of one year, with non-traumatic thoracic pain in a pre-hospital setting. While the ambulance or MUG is transporting such a patient, he/she is asked (informed consent) if an extra blood sample can be taken for measuring troponin levels by the portable device of Roche (cobas h232®). This can be done during the same venipuncture needed for standard-of-care analysis of the two other blood samples used for troponin-T by the radiometer and the laboratory. An ECG is performed in the ambulance and when it is positive, a patient is diagnosed immediately with acute myocardial infarction (AMI) and will be to transported as fast as possible to the coronary care unit. The blood samples retrieved in the ambulance are transported to the lab and to the table top radiometer in the emergency unit. As stated before, an increasing number of patients with AMI are presenting without significant abnormalities on ECG. Therefore, the troponin-T levels in the blood sample will provide extra information to make an appropriate diagnosis. It is our hypothesis, that the Cobas h232 device will provide faster results and thus a faster diagnosis of AMI which benefit patients' outcome.


Recruitment information / eligibility

Status Completed
Enrollment 71
Est. completion date January 15, 2020
Est. primary completion date December 13, 2019
Accepts healthy volunteers No
Gender All
Age group 18 Years to 100 Years
Eligibility Inclusion Criteria: - Non-traumatic thoracic pain - Transportation via ambulance or MUG - Written informed consent form (ICF) has to be obtained from the patient Exclusion Criteria: - Age <18 years

Study Design


Intervention

Diagnostic Test:
Blood analysis
The blood of the patients will be analyzed for troponin T measured with 3 different devices: 1) a point-of-care (POC) test performed in the ambulance or MUG, a handheld cobas h232 POC system® (Roche Diagnostics, Switzerland), 2) a POC test at the emergency room, a table top AQT90 FLEX® (Radiometer, The Netherlands) and 3) a central laboratory test performed on cobas® 8000 (Roche Diagnostics, Switzerland).

Locations

Country Name City State
Belgium Ziekenhuis Oost-Limburg Genk

Sponsors (1)

Lead Sponsor Collaborator
Ziekenhuis Oost-Limburg

Country where clinical trial is conducted

Belgium, 

Outcome

Type Measure Description Time frame Safety issue
Primary The time to diagnosis of acute myocardial infarction (AMI) The time between blood sample and the result of each device will be compared against the other devices. According to the troponin level, the diagnosis will be made. Troponin T< 5 ng/L: negative for AMI; Troponin-T>50 ng/L: positive for AMI; Troponin-T: 5-50 ng/L: observation and a second blood sample has to be taken for re-evaluation of troponin-T. one hour
Secondary Time since onset of chest pain to first blood sample The time since onset of chest pain will be asked to the patient. The faster a patient will call to the emergency unit, the better the outcome. one hour
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