- ICH GCP
- Amerikanska kliniska prövningsregistret
- Klinisk prövning NCT00493844
N-terminal Pro B-type Natriuretic Peptide (Nt-proBNP) Versus Exercise Test for Evaluation of Acute Chest Pain
Clinical History and NT-proBNP Versus Exercise Testing for Evaluation of Patients With Acute Chest Pain Without Ischemic Changes in the Electrocardiogram or Troponin Elevation
Studieöversikt
Status
Betingelser
Intervention / Behandling
Detaljerad beskrivning
In patients presenting to the emergency department with acute chest pain, the observation of ischemic changes in the electrocardiogram or troponin elevation prompts hospitalisation and, generally, invasive management. However, decision on admission or discharge is uncertain in the remaining patients. The spectrum of these patients spans from individuals without coronary artery disease to some with high risk unstable angina. An early exercise test is usually performed with the aim of guiding the decision. However, the exercise test is not available 24 hours per day/ 7 days per week, around 40% of the patients show contraindication to exercise and there are inconclusive as well as false-positive results. The limitations of the exercise test can lead to unnecessary hospitalisations. Therefore, there is room for alternative tools. Our objective was to compare a new strategy combining clinical history and NT-proBNP levels versus the usual care, consisting of early exercise testing, for decision making in these patients.
We will randomly compare a new strategy combining a previously published and validated clinical risk score (number of points according to pain characteristics and risk factors) along with NT-proBNP levels, versus the usual strategy using exercise test, for the management of patients presenting to the emergency department with acute chest pain, without ischemia in the electrocardiogram and with normal troponin. In the new strategy, high risk patients (clinical risk score =>3 points) as well as low risk patients (clinical risk score <3 points) but with NT-proBNP >110 ng/L, will be hospitalised; on the other hand, low risk patients (clinical risk score <3 points) with NT-proBNP <110 ng/L will be discharged. In the usual strategy, all patients will be allocated to early exercise test; patients will be hospitalised in case of a positive result, inconclusive result <7 METS or contraindication to exercise, whereas they will be discharged in case of a negative result or inconclusive result with >7 METS without ischemia induction. The primary endpoint will be hospitalisation during the index episode and the secondary endpoints 6-12 months death or acute myocardial infarction, and 6-12month death, myocardial infarction, postdischarge revascularization or readmission by unstable angina.
Studietyp
Inskrivning (Faktisk)
Fas
- Inte tillämpbar
Kontakter och platser
Studieorter
-
-
-
Valencia, Spanien, 46010
- Hospital Clínico Universitario
-
-
Deltagandekriterier
Urvalskriterier
Åldrar som är berättigade till studier
- Barn
- Vuxen
- Äldre vuxen
Tar emot friska volontärer
Kön som är behöriga för studier
Beskrivning
Inclusion Criteria:
- Chest pain of possible coronary origin at criterion of cardiology on duty
Exclusion Criteria:
- Chest pain of obvious non-coronary origin.
- Electrocardiogram showing ST-segment deviation (=>1mm) or T-wave inversion (=>2mm) or atrial fibrillation.
- Troponin elevation at any determination.
- Heart failure at admission.
- Renal failure (creatinine > 1.3 mg/gl).
- Extracardiac disease with life expectancy less than 1 year.
- Structural heart disease different to ischemic heart disease.
Studieplan
Hur är studien utformad?
Designdetaljer
- Primärt syfte: Diagnostisk
- Tilldelning: Randomiserad
- Interventionsmodell: Parallellt uppdrag
- Maskning: Ingen (Open Label)
Vapen och interventioner
Deltagargrupp / Arm |
Intervention / Behandling |
---|---|
Experimentell: 1
Discharge if clinical risk score <3 points + Nt-proBNP <110 ng/L
|
Clinical evaluation + NTproBNP levels
|
Aktiv komparator: 2
Discharge if negative exercise testing
|
Exercise testing
|
Vad mäter studien?
Primära resultatmått
Resultatmått |
Tidsram |
---|---|
Hospitalization
Tidsram: At the index episode (1 day)
|
At the index episode (1 day)
|
Sekundära resultatmått
Resultatmått |
Tidsram |
---|---|
Death, myocardial infarction
Tidsram: 6-12 months
|
6-12 months
|
Death, myocardial infarction, postdischarge revascularization or readmission by unstable angina
Tidsram: 6-12 months
|
6-12 months
|
Samarbetspartners och utredare
Sponsor
Samarbetspartners
Utredare
- Huvudutredare: Juan Sanchis, MD, Hospital Clínico Universitario. Valencia. Spain
- Studiestol: Xavier Bosch, MD, Hospital Clínic i Provincial. Barcelona. Spain
- Studierektor: Angel Llácer, MD, Hospital Clínico Universitario. Valencia. Spain.
Publikationer och användbara länkar
Allmänna publikationer
- Sanchis J, Bodi V, Nunez J, Bertomeu-Gonzalez V, Gomez C, Bosch MJ, Consuegra L, Bosch X, Chorro FJ, Llacer A. New risk score for patients with acute chest pain, non-ST-segment deviation, and normal troponin concentrations: a comparison with the TIMI risk score. J Am Coll Cardiol. 2005 Aug 2;46(3):443-9. doi: 10.1016/j.jacc.2005.04.037.
- Sanchis J, Bodi V, Nunez J, Bertomeu-Gonzalez V, Gomez C, Consuegra L, Bosch MJ, Bosch X, Chorro FJ, Llacer A. Usefulness of early exercise testing and clinical risk score for prognostic evaluation in chest pain units without preexisting evidence of myocardial ischemia. Am J Cardiol. 2006 Mar 1;97(5):633-5. doi: 10.1016/j.amjcard.2005.09.107. Epub 2006 Jan 6.
- Sanchis J, Bodi V, Nunez J, Bosch MJ, Bertomeu-Gonzalez V, Consuegra L, Santas E, Gomez C, Bosch X, Chorro FJ, Llacer A. A practical approach with outcome for the prognostic assessment of non-ST-segment elevation chest pain and normal troponin. Am J Cardiol. 2007 Mar 15;99(6):797-801. doi: 10.1016/j.amjcard.2006.10.042. Epub 2007 Jan 30.
- Sanchis J, Bosch X, Bodi V, Bellera N, Nunez J, Benito B, Ordonez J, Consuegra L, Heras M, Llecer A. Combination of clinical risk profile, early exercise testing and circulating biomarkers for evaluation of patients with acute chest pain without ST-segment deviation or troponin elevation. Heart. 2008 Mar;94(3):311-5. doi: 10.1136/hrt.2007.115626. Epub 2007 Jul 16.
- Sanchis J, Bosch X, Bodi V, Nunez J, Doltra A, Heras M, Mainar L, Santas E, Bragulat E, Garcia-Alvarez A, Carratala A, Llacer A. Randomized comparison between clinical evaluation plus N-terminal pro-B-type natriuretic peptide versus exercise testing for decision making in acute chest pain of uncertain origin. Am Heart J. 2010 Feb;159(2):176-82. doi: 10.1016/j.ahj.2009.11.010.
Studieavstämningsdatum
Studera stora datum
Studiestart
Primärt slutförande (Faktisk)
Avslutad studie (Faktisk)
Studieregistreringsdatum
Först inskickad
Först inskickad som uppfyllde QC-kriterierna
Första postat (Uppskatta)
Uppdateringar av studier
Senaste uppdatering publicerad (Uppskatta)
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
Senast verifierad
Mer information
Termer relaterade till denna studie
Nyckelord
Ytterligare relevanta MeSH-villkor
Andra studie-ID-nummer
- 09-27-06
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