Effect of the Biomarker Copeptin in Managing Patients With Suspected Acute Coronary Syndrome (ACS)
NCT ID: NCT01498731
Last Updated: 2013-06-05
Study Results
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Basic Information
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COMPLETED
NA
902 participants
INTERVENTIONAL
2011-04-30
2013-06-30
Brief Summary
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In this study, we investigate the biomarker Copeptin. Copeptin has shown excellent results in diagnostic clinical trials assessing its use in various acute diseases. There are three important trials showing an excellent negative predictive value of Copeptin in combination with Troponin in patients with suspected acute coronary syndrome (Reichlin et al., JACC, 2009; Keller et al. JACC, 2010, Giannitsis et al. Clin Chem 2011).
This trial compares two processes of managing patients with suspected acute coronary syndrome (ACS), the standard process according to current guidelines and the experimental process integrating copeptin as a rule-out marker for acute myocardial infarction into management decisions. Main Hypothesis: Patients with suspected ACS who test negative for Troponin and negative for Copeptin at their initial presentation to the ED can safely be discharged (interventional process). They will not experience more major cardiac adverse events than patients who were managed by standard practise (control process)within 30 days after admission.
The Investigators want to test Copeptin in patients with suspected acute coronary syndrome in whom the ECG is unspecific and the initial Troponin test is negative. Further patient care will be based on the Copeptin result. Patients with a negative Copeptin will be discharged into the ambulant care of resident cardiologists.Copeptin positive patients will be managed according to standard guidelines for the management of patients with ACS.
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Detailed Description
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Copeptin, a 39 amino acid glycopeptide, is the C-terminal portion of Pro-Vasopressin. It is co-secreted from the posterior pituitary gland together with Vasopressin and mirrors the amount of Vasopressin in the circulation. Vasopressin is primarily known as Anti-Diuretic Hormone (ADH), which acts in the kidney to regulate the body's retention of water and in high concentration causes arterial vasoconstriction.
Vasopressin is, as a central hormone, also a crucial part of the hypothalamo-pituitary-adrenal axis, which responds to severe, life-threatening "stress inputs"; its levels reflect the body's individual stress level.Vasopressin itself has a half-life of 5-10 minutes and is therefore difficult to measure in-vivo. Copeptin is secreted stoichiometrically with Vasopressin, it remains stable for days after blood withdrawal and can therefore easily be measured. Copeptin has been studied as a diagnostic and prognostic marker since 2006. In acute myocardial infarction Copeptin levels have been shown to increase early after the onset of symptoms (0-4 hours) and start decreasing after 4-5 hours.
In acute myocardial infarction (AMI) Copeptin levels increase early after the onset of symptoms. In patients with suspected ACS Copeptin levels were significantly higher in patients with AMI than in patients with other diagnoses. Copeptin in conjunction with Troponin T was particularly useful as a rule-out marker of AMI.
This is a randomized controlled diagnostic trial to quantify the benefit of integrating Copeptin into the management process of patients with NSTEACS and a negative baseline Troponin I test result in the Chest Pain Unit (CPU). Patient management will depend on Copeptin rather than serial Troponin results. Patients will be randomized in either a standard group (management according to current guidelines on managing patients with ACS, Copeptin will be tested, but result will not be revealed to treating personnel) or an interventional group (Copeptin testing, further management dependent on Copeptin result).
In this interventional group, patients with a negative baseline Copeptin will be discharged into the ambulant care of co-operating resident cardiologists. Patients with a positive Copeptin result will be treated as by standard care (like patients in the control group).
The investigators will assess the efficacy and safety of the new process as compared to the standard process. Secondary endpoints will assess patient satisfaction and length of hospital stay. This study design will not only assess the diagnostic use but also the clinical relevance of Copeptin testing in the ED/CPU.
Consecutive N-STEACS patients of the Chest Pain Unit with a negative Troponin I at admission will be invited to participate. Troponin I is tested as part of the standard management of patients with suspected acute coronary syndrome on a point of care test device (POCT).
Patients who give their written informed consent will then be randomized into one of two study arms (experimental and standard management) where further management depends on their Copeptin result at admission.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
DIAGNOSTIC
NONE
Study Groups
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Copeptin
Patients who test negative for Copeptin at admission will be considered low-risk and will be discharged home without further interventions.
To secure the patients safety they will be transferred into our co-operating network of resident cardiologists using the software "Praxis-connect" i.e. these patients will be discharged with an electronically booked appointment to see a cardiologist preferably the next day (but latest within the next three days). In case of any findings suggestive of acute coronary syndrome or worsening of the patient's condition, the patient will immediately be re-admitted to our Emergency Room.
Patients who test positive for Copeptin will be treated as by standard practise.
Discharge home
Patients who test negative for Copeptin at admission will be considered low-risk and will be discharged home. To secure the patients safety they will be transferred into our co-operating network of resident cardiologists preferably the next day (but latest within the next three days). In case of any findings suggestive of acute coronary syndrome or worsening of the patient's condition, the patient will immediately be re-admitted to our Emergency Room.
Standard
Patients will be managed as by standard practice abiding current guidelines for the management of patients with suspected ACS.The copeptin result will not be available for the treating physician.
No interventions assigned to this group
Interventions
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Discharge home
Patients who test negative for Copeptin at admission will be considered low-risk and will be discharged home. To secure the patients safety they will be transferred into our co-operating network of resident cardiologists preferably the next day (but latest within the next three days). In case of any findings suggestive of acute coronary syndrome or worsening of the patient's condition, the patient will immediately be re-admitted to our Emergency Room.
Eligibility Criteria
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Inclusion Criteria
* Troponin negative at admission according to the current clinical practice Patient willing and able to give written informed consent
Exclusion Criteria
* Continuing chest pain or recurrent episodes of chest pain under therapy
* High-risk patients with suspected ACS who need to be hospitalized for reasons independent of their initial troponin result
* Patients who need to be hospitalized for other medical reasons
* Patients in need of urgent life-saving interventions
* Patients under 18 years of age
* Patients with a life expectancy \< 6 months
* Patients with any condition that leads the treating physician to not consider the patient eligible for the trial
18 Years
ALL
No
Sponsors
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Kerckhoff Klinik
OTHER
Heidelberg University
OTHER
Universitätsklinikum Hamburg-Eppendorf
OTHER
Wilhelminenspital Vienna
OTHER
University Hospital, Basel, Switzerland
OTHER
Charite University, Berlin, Germany
OTHER
Responsible Party
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Martin Moeckel
Head Emergency Medicine
Principal Investigators
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Martin Möckel, MD, PhD
Role: PRINCIPAL_INVESTIGATOR
Charité - Universitätsmedizin Berlin, Berlin, Germany
Locations
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Wilhelminenspital Vienna
Vienna, , Austria
Kerckhoff-Klinik GmbH
Bad Nauheim, , Germany
Charité - Universitätsmedizin Berlin
Berlin, , Germany
Universitätsklinikum Hamburg-Eppendorf
Hamburg, , Germany
Universitätsklinikum Heidelberg
Heidelberg, , Germany
University Hospital Basel
Basel, , Switzerland
Countries
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References
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Mockel M, Muller R, Vollert J, Muller C, Danne O, Gareis R, Stork T, Dietz R, Koenig W. Lipoprotein-associated phospholipase A2 for early risk stratification in patients with suspected acute coronary syndrome: a multi-marker approach: the North Wuerttemberg and Berlin Infarction Study-II (NOBIS-II). Clin Res Cardiol. 2007 Sep;96(9):604-12. doi: 10.1007/s00392-007-0540-x. Epub 2007 Jun 27.
Thygesen K, Alpert JS, White HD; Joint ESC/ACCF/AHA/WHF Task Force for the Redefinition of Myocardial Infarction. Universal definition of myocardial infarction. Eur Heart J. 2007 Oct;28(20):2525-38. doi: 10.1093/eurheartj/ehm355. No abstract available.
Newby LK, Storrow AB, Gibler WB, Garvey JL, Tucker JF, Kaplan AL, Schreiber DH, Tuttle RH, McNulty SE, Ohman EM. Bedside multimarker testing for risk stratification in chest pain units: The chest pain evaluation by creatine kinase-MB, myoglobin, and troponin I (CHECKMATE) study. Circulation. 2001 Apr 10;103(14):1832-7. doi: 10.1161/01.cir.103.14.1832.
Pope JH, Aufderheide TP, Ruthazer R, Woolard RH, Feldman JA, Beshansky JR, Griffith JL, Selker HP. Missed diagnoses of acute cardiac ischemia in the emergency department. N Engl J Med. 2000 Apr 20;342(16):1163-70. doi: 10.1056/NEJM200004203421603.
Itoi K, Jiang YQ, Iwasaki Y, Watson SJ. Regulatory mechanisms of corticotropin-releasing hormone and vasopressin gene expression in the hypothalamus. J Neuroendocrinol. 2004 Apr;16(4):348-55. doi: 10.1111/j.0953-8194.2004.01172.x.
Katan M, Morgenthaler N, Widmer I, Puder JJ, Konig C, Muller B, Christ-Crain M. Copeptin, a stable peptide derived from the vasopressin precursor, correlates with the individual stress level. Neuro Endocrinol Lett. 2008 Jun;29(3):341-6.
Khan SQ, Dhillon OS, O'Brien RJ, Struck J, Quinn PA, Morgenthaler NG, Squire IB, Davies JE, Bergmann A, Ng LL. C-terminal provasopressin (copeptin) as a novel and prognostic marker in acute myocardial infarction: Leicester Acute Myocardial Infarction Peptide (LAMP) study. Circulation. 2007 Apr 24;115(16):2103-10. doi: 10.1161/CIRCULATIONAHA.106.685503. Epub 2007 Apr 9.
Reichlin T, Hochholzer W, Stelzig C, Laule K, Freidank H, Morgenthaler NG, Bergmann A, Potocki M, Noveanu M, Breidthardt T, Christ A, Boldanova T, Merki R, Schaub N, Bingisser R, Christ M, Mueller C. Incremental value of copeptin for rapid rule out of acute myocardial infarction. J Am Coll Cardiol. 2009 Jun 30;54(1):60-8. doi: 10.1016/j.jacc.2009.01.076.
Voors AA, von Haehling S, Anker SD, Hillege HL, Struck J, Hartmann O, Bergmann A, Squire I, van Veldhuisen DJ, Dickstein K; OPTIMAAL Investigators. C-terminal provasopressin (copeptin) is a strong prognostic marker in patients with heart failure after an acute myocardial infarction: results from the OPTIMAAL study. Eur Heart J. 2009 May;30(10):1187-94. doi: 10.1093/eurheartj/ehp098. Epub 2009 Apr 3.
Keller T, Tzikas S, Zeller T, Czyz E, Lillpopp L, Ojeda FM, Roth A, Bickel C, Baldus S, Sinning CR, Wild PS, Lubos E, Peetz D, Kunde J, Hartmann O, Bergmann A, Post F, Lackner KJ, Genth-Zotz S, Nicaud V, Tiret L, Munzel TF, Blankenberg S. Copeptin improves early diagnosis of acute myocardial infarction. J Am Coll Cardiol. 2010 May 11;55(19):2096-106. doi: 10.1016/j.jacc.2010.01.029.
Morgenthaler NG, Struck J, Alonso C, Bergmann A. Assay for the measurement of copeptin, a stable peptide derived from the precursor of vasopressin. Clin Chem. 2006 Jan;52(1):112-9. doi: 10.1373/clinchem.2005.060038. Epub 2005 Nov 3.
Giannitsis E, Kehayova T, Vafaie M, Katus HA. Combined testing of high-sensitivity troponin T and copeptin on presentation at prespecified cutoffs improves rapid rule-out of non-ST-segment elevation myocardial infarction. Clin Chem. 2011 Oct;57(10):1452-5. doi: 10.1373/clinchem.2010.161265. Epub 2011 Aug 1.
Giannitsis E, Garfias-Veitl T, Slagman A, Searle J, Muller C, Blankenberg S, von Haehling S, Katus HA, Hamm CW, Huber K, Vollert JO, Mockel M. Biomarkers-in-Cardiology 8 RE-VISITED-Consistent Safety of Early Discharge with a Dual Marker Strategy Combining a Normal hs-cTnT with a Normal Copeptin in Low-to-Intermediate Risk Patients with Suspected Acute Coronary Syndrome-A Secondary Analysis of the Randomized Biomarkers-in-Cardiology 8 Trial. Cells. 2022 Jan 8;11(2):211. doi: 10.3390/cells11020211.
Reinhold T, Giannitsis E, Mockel M, Frankenstein L, Vafaie M, Vollert JO, Slagman A. Cost analysis of early discharge using combined copeptin/cardiac troponin testing versus serial cardiac troponin testing in patients with suspected acute coronary syndrome. PLoS One. 2018 Aug 23;13(8):e0202133. doi: 10.1371/journal.pone.0202133. eCollection 2018.
Other Identifiers
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DRKS00000276
Identifier Type: OTHER
Identifier Source: secondary_id
U1111-1118-1665
Identifier Type: REGISTRY
Identifier Source: secondary_id
Charite-BiC-8
Identifier Type: -
Identifier Source: org_study_id
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