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- US-Register für klinische Studien
- Klinische Studie NCT01471795
The Epidemiology of Ventricular Assist Device-Related Infections
Studienübersicht
Status
Bedingungen
Detaillierte Beschreibung
Infections are one of the most serious of ventricular assist device (VAD) related complications. Many of these infections are associated with significant patient morbidity and mortality. Diagnosis of these infections is often difficult due to the complicated nature of the patient's medical problems, the need for rapid institution of empiric antibiotic therapy and the lack of established criteria that define infection. Staphylococci are among the most common causes of VAD infections. The basis for this high incidence is not well understood but is believed to be in part due to inoculation of staphylococcal commensal flora into wound sites at the time of surgery or thereafter. The goals of this observational study are to develop a better understanding of the pathogenesis and epidemiology of Staphylococcus aureus and epidermidis-VAD infections as well as to develop a set of criteria that can be used to help diagnose the presence or absence of a VAD related infection.
This is a prospective, multi-center, observational study to identify risk factors associated with the development of VAD-related infections. Patients will be followed for up to one year following VAD implantation, time of death or transplantation, whichever comes first. There will be no randomization for this observational study.
Studientyp
Einschreibung (Tatsächlich)
Kontakte und Standorte
Studienorte
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Alabama
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Birmingham, Alabama, Vereinigte Staaten, 35294
- University of Alabama at Birmingham
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California
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San Diego, California, Vereinigte Staaten, 92123
- Sharp Memorial Hospital
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Illinois
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Oak Lawn, Illinois, Vereinigte Staaten, 60453
- Advocate Christ Medical Center
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Kentucky
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Louisville, Kentucky, Vereinigte Staaten, 40202
- Jewish Hospital
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Michigan
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Ann Arbor, Michigan, Vereinigte Staaten, 48109
- University of Michigan
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Minnesota
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Minneapolis, Minnesota, Vereinigte Staaten, 55455
- University of Minnesota
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New York
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Bronx, New York, Vereinigte Staaten, 10467
- Montefiore Medical Center
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New York, New York, Vereinigte Staaten, 10032
- Columbia Presbyterian Medical Center
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Pennsylvania
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Philadelphia, Pennsylvania, Vereinigte Staaten, 19104
- Hospital of the University of Pennsylvania
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Utah
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Salt Lake City, Utah, Vereinigte Staaten, 84143
- LDS Hospital
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Washington
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Spokane, Washington, Vereinigte Staaten, 99204
- Sacred Heart Medical Center
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Wisconsin
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Madison, Wisconsin, Vereinigte Staaten, 53792
- University Of Wisconsin Hospital
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Milwaukee, Wisconsin, Vereinigte Staaten, 53215
- St. Luke's Medical Center
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Teilnahmekriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Probenahmeverfahren
Studienpopulation
Beschreibung
Inclusion Criteria:
- Age greater than or equal to 18 years.
- Approved by the institution's heart failure/transplant committee for VAD implantation, either as a bridge to cardiac transplantation or for destination therapy for end-stage heart failure.
- Signed informed consent, release of medical information, and HIPAA forms.
- Expectation of compliance with protocol procedures and study visit schedule.
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
Kohorten und Interventionen
Gruppe / Kohorte |
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Study Population
150 subjects with end-stage heart failure who have been scheduled to undergo device implantation with a VAD, either as a bridge to cardiac transplantation or for destination therapy.
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Was misst die Studie?
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
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The incidence of suspected infections, characterized by infecting organism and location.
Zeitfenster: Duration of the study, up to one year following VAD implantation, time of death or transplantation, whichever comes first.
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The primary goal is to collect information that describes infections in patients receiving LVADs.
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Duration of the study, up to one year following VAD implantation, time of death or transplantation, whichever comes first.
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Sekundäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
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Collect and quantify culture results for suspected infections and the secondary manifestations of infection
Zeitfenster: Duration of the study, up to one year following VAD implantation, time of death or transplantation, whichever comes first.
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Bacteria normally live on our skin and in our noses.After surgery, they can infect the VAD.
We will collect cultures before and after surgery and compare these bacteria to bacteria that cause infections.Their genes will be compared to see which ones help the bacteria cause infection.
We hope this will help develop new ways to help prevent VAD infections.
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Duration of the study, up to one year following VAD implantation, time of death or transplantation, whichever comes first.
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Develop Guidelines to properly diagnose VAD infections
Zeitfenster: Up to one year following VAD implantation, time of death or transplantation, whichever comes first.
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Information will be collected on patient's medical condition after surgery including blood tests to help determine if an infection is present.
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Up to one year following VAD implantation, time of death or transplantation, whichever comes first.
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Costs (direct)
Zeitfenster: Duration of the study, up to one year following VAD implantation, time of death or transplantation, whichever comes first.
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The value of all resources that are consumed in the provision of an intervention or dealing with the side-effects or other current and future consequences linked to it.
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Duration of the study, up to one year following VAD implantation, time of death or transplantation, whichever comes first.
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Adverse Events
Zeitfenster: Duration of the study, up to one year following VAD implantation, time of death or transplantation, whichever comes first.
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Since this is an observational study there will be no adverse events directly attributable to a study intervention.
However, adverse events that might potentially contribute to the risk or course of VAD-related infections will be monitored.
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Duration of the study, up to one year following VAD implantation, time of death or transplantation, whichever comes first.
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Mitarbeiter und Ermittler
Ermittler
- Hauptermittler: Michael Parides, PhD, Icahn School of Medicine at Mount Sinai
- Studienleiter: Patrice Desvigne-Nickens, National Heart, Lung, and Blood Institute (NHLBI)
- Studienstuhl: Yoshifumi Naka, MD, Columbia University
Publikationen und hilfreiche Links
Allgemeine Veröffentlichungen
- Gordon RJ, Weinberg AD, Pagani FD, Slaughter MS, Pappas PS, Naka Y, Goldstein DJ, Dembitsky WP, Giacalone JC, Ferrante J, Ascheim DD, Moskowitz AJ, Rose EA, Gelijns AC, Lowy FD; Ventricular Assist Device Infection Study Group. Prospective, multicenter study of ventricular assist device infections. Circulation. 2013 Feb 12;127(6):691-702. doi: 10.1161/CIRCULATIONAHA.112.128132. Epub 2013 Jan 11.
- Gordon RJ, Miragaia M, Weinberg AD, Lee CJ, Rolo J, Giacalone JC, Slaughter MS, Pappas P, Naka Y, Tector AJ, de Lencastre H, Lowy FD. Staphylococcus epidermidis colonization is highly clonal across US cardiac centers. J Infect Dis. 2012 May 1;205(9):1391-8. doi: 10.1093/infdis/jis218. Epub 2012 Mar 29.
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn
Primärer Abschluss (Tatsächlich)
Studienabschluss (Tatsächlich)
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Schätzen)
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Schätzen)
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Zusätzliche relevante MeSH-Bedingungen
Andere Studien-ID-Nummern
- 08-1093 HP
- 5P50HL077096 (US NIH Stipendium/Vertrag)
Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .
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