Acute Coronary SyndromeNCT01374607
Comparison Between High-sensitivity Cardiac Troponin T and Standard Tnl Assays in Early Cardiac Ischemia Detection
An observational study of Acute Coronary Syndrome, run by University of Lausanne Hospitals at 1 site in Switzerland.
Trial summary
It is crucial to rapidly identify cardiac ischemia in the care of patients with suspected acute coronary syndrome (ACS). Cardiac troponins are a major factor in the diagnostic of myocardial infarction. New methods have been developed to improve the accuracy of the assay and determine low troponin concentrations. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Acute Coronary Syndrome
- How many people
- 80 participants
- Where
- 1 siteSwitzerland
- Study dates
- Jul 2011to Dec 2013
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Study population: Patients presenting to the emergency with chest pain suspect of acute coronary syndrome
Who may be able to join
- chest pain of ≥ 5 minutes during the last 24 hours, or other symptoms suggestive of ACS (unstable angina or NSTEMI) with 2 negative standard troponin values(<0.09 µg/L)
- age ≥ 18
Who cannot join
- patients with ST- segment elevation myocardial infarction (STEMI)
- detection of TnI standard values > 0.09 (limit of positivity) in one of two blood samples (T0 and T6)
- detection of heart disease or extra-cardiac disease that could explain the elevated conventional troponin values
- presence of major organ dysfunction, infection or major underlying medical condition that could compromise the patient's ability to perform a stress test for myocardial ischemia
- cancer with prognosis < 6 months
Trial locations and contacts
1 site in 1 country.
Switzerland1 site
Centre Hospitalier Universitaire Vaudois
Lausanne, Canton of Vaud, 1011
About this study
Official title: Assessment of Highly Sensible T Troponin (Hs-TnT) Assay Compared to Standard Troponin Assay in the Early Detection of Cardiac Ischemia in Patients With Acute Coronary Syndrome
It is crucial to rapidly identify cardiac ischemia in the care of patients with suspected acute coronary syndrome (ACS). Cardiac troponins are a major factor in the diagnostic of myocardial infarction. New methods have been developed to improve the accuracy of the assay and determine low troponin concentrations. Elecsys® (highly sensible T troponin) TnT-HS assay is supposed to help early detection of myocardial infarction after onset of symptoms. It should therefore shorten the transit time to emergencies by a more rapid intervention or a faster return home. The aim of the study is to compare TnT-HS assay to the standard troponin assay in the detection of early cardiac ischemia in patients with ACS.
Read the detailed description
Patients with suspected ACS with 2/2 negative results of conventional troponin I assay and 1/3 positive result of highly sensitive troponin assay will have a non invasive cardiac Rb82 PET/CT performed within 24 hours of admission. This exam is recognized by Associations of cardiology for its high sensibility and specificity in coronary disease detection.
- Conditions
- Acute Coronary Syndrome
- Keywords
- acute coronary syndrome, myocardial ischemia, high-sensitivity cardiac troponin T
- Medical subject headings
- Acute Coronary Syndrome, Myocardial Ischemia
What is being measured
The primary outcome is the main question the study is designed to answer.
patients presenting to the emergency for chest pain suspect for ACS currently have 2 troponin assays (Tn I) performed at T0 and T6. The additional value of a high sensitivity cardiac troponin T (Hs-TnT) dosage performed at T0 will be analyzed.
Measured: T0 (admission)
patients presenting to the emergency for chest pain suspect for ACS currently have 2 troponin assays (Tn I) performed at T0 and T6. The additional value of a high sensitivity cardiac troponin T (Hs-TnT) dosage performed at T2 will be analyzed.
Measured: T2 (2 hours after admission)
patients presenting to the emergency for chest pain suspect for ACS currently have 2 troponin assays (Tn I) performed at T0 and T6. The additional value of a high sensitivity cardiac troponin T (Hs-TnT) dosage performed at T6 will be analyzed.
Measured: T6 (6 hours after admission)
Secondary outcomes (1)
major cardiovascular events
Measured: at 30 days of admission
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted16 Jun 2011 (estimated)
- Study startJul 2011
- Primary completionJun 2013
- Study completionDec 2013
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (2)Papers the sponsor has linked to this study.
- Other trials for Acute Coronary SyndromeStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Cohort
- Time perspective
- Prospective
- Enrolment
- 80 participants (actual)
Sponsor and investigators
- Lead sponsor
- University of Lausanne Hospitals
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, John O. Prior, University of Lausanne Hospitals
- Investigators
- Olivier Muller, MD, PhD, Principal investigator, Centre Hospitalier Universitaire Vaudois
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01374607
- Sponsor's protocol ID
- 18/11
- Status last verified
- Jan 2016
- First submitted
- 8 Jun 2011
- Last updated
- 26 Jan 2016
- Results posted
- No
- Data monitoring committee
- No
- Individual data sharing
- No
Publications
Reichlin T, Hochholzer W, Bassetti S, Steuer S, Stelzig C, Hartwiger S, Biedert S, Schaub N, Buerge C, Potocki M, Noveanu M, Breidthardt T, Twerenbold R, Winkler K, Bingisser R, Mueller C. Early diagnosis of myocardial infarction with sensitive cardiac troponin assays. N Engl J Med. 2009 Aug 27;361(9):858-67. doi: 10.1056/NEJMoa0900428.
PubMed 19710484Morawiec B, Fournier S, Tapponnier M, Prior JO, Monney P, Dunet V, Lauriers N, Recordon F, Trana C, Iglesias JF, Kawecki D, Boulat O, Bardy D, Lamsidri S, Eeckhout E, Hugli O, Muller O. Performance of highly sensitive cardiac troponin T assay to detect ischaemia at PET-CT in low-risk patients with acute coronary syndrome: a prospective observational study. BMJ Open. 2017 Jul 10;7(7):e014655. doi: 10.1136/bmjopen-2016-014655.
PubMed 28698323
Study at a glance
From the registry record, last updated by the sponsor on 26 Jan 2016. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Assessment of Highly Sensible T Troponin (Hs-TnT) Assay Compared to Standard Troponin Assay in the Early Detection of Cardiac Ischemia in Patients With Acute Coronary Syndrome
- ClinicalTrials.gov ID
- NCT01374607
- Acronym / sponsor ID
- 18/11
- Conditions
- Acute Coronary Syndrome
- Keywords
- acute coronary syndrome, myocardial ischemia, high-sensitivity cardiac troponin T
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 80 participants (actual)
- Lead sponsor
- University of Lausanne HospitalsUniversity, hospital or other
- Study start
- Jul 2011
- Primary completion
- Jun 2013 (actual)
- Study completion
- Dec 2013 (actual)
- First posted
- 16 Jun 2011 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
It is crucial to rapidly identify cardiac ischemia in the care of patients with suspected acute coronary syndrome (ACS). Cardiac troponins are a major factor in the diagnostic of myocardial infarction. New methods have been developed to improve the accuracy of the assay and determine low troponin concentrations. Elecsys® (highly sensible T troponin) TnT-HS assay is supposed to help early detection of myocardial infarction after onset of symptoms. It should therefore shorten the transit time to emergencies by a more rapid intervention or a faster return home. The aim of the study is to compare TnT-HS assay to the standard troponin assay in the detection of early cardiac ischemia in patients with ACS.
Detailed description
Patients with suspected ACS with 2/2 negative results of conventional troponin I assay and 1/3 positive result of highly sensitive troponin assay will have a non invasive cardiac Rb82 PET/CT performed within 24 hours of admission. This exam is recognized by Associations of cardiology for its high sensibility and specificity in coronary disease detection.
Study design
- Observational model
- Cohort
- Time perspective
- Prospective
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
- Study population
- Patients presenting to the emergency with chest pain suspect of acute coronary syndrome
Key inclusion criteria (2 listed)
- chest pain of ≥ 5 minutes during the last 24 hours, or other symptoms suggestive of ACS (unstable angina or NSTEMI) with 2 negative standard troponin values(<0.09 µg/L)
- age ≥ 18
Key exclusion criteria (5 listed)
- patients with ST- segment elevation myocardial infarction (STEMI)
- detection of TnI standard values > 0.09 (limit of positivity) in one of two blood samples (T0 and T6)
- detection of heart disease or extra-cardiac disease that could explain the elevated conventional troponin values
- presence of major organ dysfunction, infection or major underlying medical condition that could compromise the patient's ability to perform a stress test for myocardial ischemia
- cancer with prognosis < 6 months
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
patients presenting to the emergency for chest pain suspect for ACS currently have 2 troponin assays (Tn I) performed at T0 and T6. The additional value of a high sensitivity cardiac troponin T (Hs-TnT) dosage performed at T0 will be analyzed.
Time frame: T0 (admission)
patients presenting to the emergency for chest pain suspect for ACS currently have 2 troponin assays (Tn I) performed at T0 and T6. The additional value of a high sensitivity cardiac troponin T (Hs-TnT) dosage performed at T2 will be analyzed.
Time frame: T2 (2 hours after admission)
patients presenting to the emergency for chest pain suspect for ACS currently have 2 troponin assays (Tn I) performed at T0 and T6. The additional value of a high sensitivity cardiac troponin T (Hs-TnT) dosage performed at T6 will be analyzed.
Time frame: T6 (6 hours after admission)
1 secondary outcome
major cardiovascular events
Time frame: at 30 days of admission
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 26 Jan 2016.
- Background: PubMed 19710484Reichlin T, Hochholzer W, Bassetti S, Steuer S, Stelzig C, Hartwiger S, Biedert S, Schaub N, Buerge C, Potocki M, Noveanu M, Breidthardt T, Twerenbold R, Winkler K, Bingisser R, Mueller C. Early diagnosis of myocardial infarction with sensitive cardiac troponin assays. N Engl J Med. 2009 Aug 27;361(9):858-67. doi: 10.1056/NEJMoa0900428.
- Derived from this study: PubMed 28698323Morawiec B, Fournier S, Tapponnier M, Prior JO, Monney P, Dunet V, Lauriers N, Recordon F, Trana C, Iglesias JF, Kawecki D, Boulat O, Bardy D, Lamsidri S, Eeckhout E, Hugli O, Muller O. Performance of highly sensitive cardiac troponin T assay to detect ischaemia at PET-CT in low-risk patients with acute coronary syndrome: a prospective observational study. BMJ Open. 2017 Jul 10;7(7):e014655. doi: 10.1136/bmjopen-2016-014655.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Olivier Muller, MD, PhD principal investigator
Centre Hospitalier Universitaire Vaudois
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Acute Coronary Syndrome, run by University of Lausanne Hospitals at 1 site in Switzerland.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 2 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 26 Jan 2016. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Switzerland. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
patients presenting to the emergency for chest pain suspect for ACS currently have 2 troponin assays (Tn I) performed at T0 and T6. The additional value of a high sensitivity cardiac troponin T (Hs-TnT) dosage performed at T0 will be analyzed. (time frame: T0 (admission)). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT01374607, which also lists 2 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 26 Jan 2016.