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Vascular Sealant Study (VSS)

26. marts 2015 opdateret af: Georgetown University

A Prospective, Randomized, Multi-Center, Two Arm Study to Evaluate the Safety and Effectiveness of the Vascular Sealant System Compared With Gelfoam/Thrombin for Control of Anastomosis Suture Line Bleeding in Patients Undergoing Vascular Reconstructive Surgery With PTFE Grafts

Study Objective:To evaluate the safety and effectiveness of the Vascular Sealant compared with Gelfoam/Thrombin when used to seal bleeding anastomotic suture lines in patients undergoing vascular reconstructive surgery requiring placement of a PTFE graft (including extra-anatomic, infrainguinal bypass and arteriovenous (AV) access procedures).

Study Design: The study is a multi-center, prospective, randomized controlled clinical trial that will compare two methods for treating anastomotic leakage (bleeding). All subjects (n =151) will be randomized at a 3:1 ratio to receive either the investigational treatment (Vascular Sealant) or the control treatment (Gelfoam/Thrombin). Up to two (2) treatment sites may be evaluated for each subject. Subjects will be stratified by type of graft procedure: AV access graft or extra-anatomic and infra-inguinal graft. A minimum of 60 patients, and a maximum of 91 patients, will be enrolled in each stratum. Treatment randomization will be blocked by center and type of graft procedure (e.g., bypass or AV grafts). All subjects will undergo preoperative screening to determine eligibility and will be evaluated intraoperatively, at discharge or within 7 days of surgery, and 30 days post-procedure to monitor for hematologic disturbances, hemorrhagic events, wound complications and other potential acute post-operative adverse events.

Up to ten (10) investigational sites will participate in the study. Enrollment is expected to take approximately 8 months for an anticipated duration of the clinical investigation of approximately 9 to 10 months.

The primary objective of this trial is to demonstrate non-inferiority of the Vascular Sealant to Gelfoam/Thrombin when used to seal anastomotic suture lines in patients undergoing placement of PTFE vascular grafts (including extra-anatomic, infrainguinal bypass and arteriovenous access procedures).

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Fase

  • Fase 1

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Forenede Stater
    • District of Columbia
      • District of columbia, District of Columbia, Forenede Stater, 20007
        • Georgetown University

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

N/A

Køn, der er berettiget til at studere

Alle

Beskrivelse

Preoperative Inclusion Criteria:

Subjects must meet all of the following criteria to be eligible for participation in the study:

  • > 18 years of age
  • Scheduled for elective vascular surgery that entails placement of a PTFE vascular graft including extra-anatomic, infrainguinal bypass and primary and secondary arteriovenous access procedures
  • Subject is willing and able to comply with all aspects of the treatment and evaluation schedule
  • Informed of the nature of the study, and has provided written informed consent, approved by the appropriate Institutional Review Board (IRB) of the respective clinical site

Preoperative Exclusion Criteria: Subjects who meet any of the following criteria are not eligible for participation in the study:

  • Subject has a known local or systemic infection
  • Subjects with known coagulapathies including hemophilia, factor deficiencies, platelet count < 80,000 u/mL, heparin induced thrombocytopenia or uncorrected INR > 1.5
  • Subject is participating in a clinical trial that requires treatment with another investigational device or drug
  • Subject is lactating or pregnant, or does not agree to use contraception for the duration of the study
  • Subject has a known hypersensitivity to any components of bovine thrombin preparations and/or material of bovine origin
  • The investigator determines that the subject should not be included in the study for reason(s) not already specified

Intraoperative Inclusion Criteria: Subjects must meet the following intraoperative inclusion criteria to be eligible for randomization:

• Suture line leaks (bleeding) confirmed prior to randomization.

Intraoperative Exclusion Criteria: Subjects who meet any of the following intraoperative exclusion criteria are considered screening failures and are not eligible to be randomized:

  • Incidental finding of any of the preoperative exclusion criteria
  • Subject has obvious contamination or a concurrent systemic infection
  • Investigator determines that participation in the study may jeopardize the safety or welfare of the subject

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Vascular Sealant)
Enhed: Vascular Sealant System
The Vascular Sealant System is intended for use in vascular reconstructions to achieve adjunctive hemostasis by mechanically sealing areas of leakage.
Aktiv komparator: Gelfoam/Thrombin
Andet: Gelfoam/Thrombin

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Georgetown University

Samarbejdspartnere

Medtronic - MITG

Efterforskere

  • Ledende efterforsker: David Deaton, MD, Georgetown University

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart

1. marts 2007

Datoer for studieregistrering

Først indsendt

8. februar 2008

Først indsendt, der opfyldte QC-kriterier

19. februar 2008

Først opslået (Skøn)

20. februar 2008

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

27. marts 2015

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

26. marts 2015

Sidst verificeret

1. januar 2010

Mere information

Begreber relateret til denne undersøgelse

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • 2007-072

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

Kliniske forsøg med Vascular Sealant System

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Sponsorer og samarbejdspartnere

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Betingelser

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Kosttilskud

Sponsor / samarbejdspartnere

Placeringer

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