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Multicenter, Randomized Placebo-controlled Clinical Trial to Evaluate the Effect of Perioperative Use of Tranexamic Acid on Transfusion Requirements and Surgical Bleeding in Major Spine Surgery

23. februar 2015 opdateret af: Hospital Universitari Vall d'Hebron Research Institute

Current evidence regarding the efficacy and safety of perioperative administration of tranexamic acid for antifibrinolysis does not suffice to support its use in major spinal surgery.

OBJECTIVES: To evaluate the effectiveness of tranexamic acid for decreasing transfusion requirements and bleeding in this patient population. To evaluate the safety of this antifibrinolytic agent in the intraoperative and mid-term postoperative period.

METHODS: Multicenter, randomized, double-blind, placebo-controlled clinical trial with parallel groups. The main outcome measure is intraoperative and postoperative transfusion requirements; blood loss and safety will also be evaluated. Previous results in other types of surgery suggest that tranexamic acid reduces transfusion requirements and blood loss. Hence, the hypothesis of this study is that tranexamic acid will significantly reduce blood loss in comparison to a placebo in major spine surgery.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

96

Fase

  • Fase 4

Kontakter og lokationer

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

Studiesteder

  • Spanien
      • Barcelona, Spanien, 08035
        • Hospital Vall d'Hebron de Barcelona
      • Barcelona, Spanien, 08029
        • Hospital Clinic de Barcelona
    • Barcelona
      • Hospitalet de Llobregat, Barcelona, Spanien
        • Hospital De Bellvitge
    • Madrid
      • Getafe, Madrid, Spanien
        • Hospital de Getafe

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 til 70 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Patients ≥18 years old of both sexes
  • scheduled for complex spine surgery
  • ASA I-III
  • weighing more than 30 kg
  • body mass index <30 kg/m2
  • operated on in the participating hospitals
  • major spinal surgery
  • signed an informed consent form to be included in the study

Exclusion Criteria:

  • a history of allergy or hypersensitivity to the agent used
  • receiving medication that can interfere with coagulation (acetylsalicylic acid, oral anticoagulants, or antiplatelet agents)
  • a history of frequent bleeding
  • plasma creatinine values >1.5 mg/dL in the baseline analysis
  • platelet count less than 150,000/mm3 in the follow-up analysis
  • abnormal prothrombin time (INR >1.5) or partial thromboplastin time (INR >1.5)
  • a history of a thromboembolic episode before surgery
  • family history of thromboembolism
  • lack of consent to participate in the study
  • infectious disease, tumor or trauma of the spine as the reason for surgery
  • scheduled for surgery with an anterior and posterior surgical approach, whether sequential or on the same day

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: Firedobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: tranexamic acid
tranexamic acid will be administered as a bolus (10-mg/kg dose ) or as a fast, 20-minute intravenous infusion before performing the incision at the start of surgery, followed by perfusion of 2 mg/kg/hour up to the time the surgical wound is closed at completion of surgery
Medicin: Tranexamic Acid
A 10-mg/kg dose of tranexamic acid will be administered as a bolus or as a fast, 20-minute intravenous infusion before performing the incision at the start of surgery, followed by perfusion of 2 mg/kg/hour up to the time the surgical wound is closed at completion of surgery.
Placebo komparator: placebo
The placebo will be administered according to the same regimen and infusion time as the medication in the study arm (bolus or 20-minute fast infusion before the incision at the beginning of surgery followed by perfusion of 2 mg/kg/hour until closure of the surgical wound at completion of surgery)
Medicin: fisiologic serum
The placebo will be administered according to the same regimen and infusion time as the medication in the study arm (bolus or 20-minute fast infusion before the incision at the beginning of surgery followed by perfusion of 2 mg/kg/hour until closure of the surgical wound at completion of surgery)

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Tidsramme
The primary outcome measure is the number of transfused units required during the intraoperative and postoperative period
Tidsramme: 7 days postoperative period
7 days postoperative period

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Total blood loss: intraoperative and postoperative values
Tidsramme: 48 hours postoperative
Intraoperative blood loss is evaluated by measuring the volume of suction aspirate and weighing the swabs with a precision digital scale. Postoperative blood loss is determined by recording the volume of blood collected through the suction drains at 24 and 48 hours.
48 hours postoperative
Adverse events in the perioperative period, immediate postoperative period, and at mid-term
Tidsramme: up to 6 weeks after the procedure
Adverse events in the perioperative period, immediate postoperative period, and at mid-term (up to 6 weeks after the procedure) will be recorded, with special emphasis on follow-up of thrombotic events and clinically suspected deep venous thrombosis, renal function, and visual abnormalities reported by the patient
up to 6 weeks after the procedure

Samarbejdspartnere og efterforskere

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

Sponsor

Hospital Universitari Vall d'Hebron Research Institute

Samarbejdspartnere

Hospital Clinic of Barcelona
Hospital Universitari de Bellvitge
Hospital Vall d'Hebron
Hospital Universitario Getafe

Efterforskere

  • Studiestol: Maria J Colomina, MD Ph, Hospital Vall d'Hebron
  • Ledende efterforsker: Misericordia Basora, MD Ph, Hospital Clinic of Barcelona
  • Ledende efterforsker: Maylin Koo, MD Ph, Hospital Universitari de Bellvitge
  • Ledende efterforsker: Javier Pizones, MD, Hospital de Getafe.

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Generelle publikationer

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. september 2010

Primær færdiggørelse (Faktiske)

1. maj 2014

Studieafslutning (Faktiske)

1. maj 2014

Datoer for studieregistrering

Først indsendt

2. juni 2010

Først indsendt, der opfyldte QC-kriterier

2. juni 2010

Først opslået (Skøn)

3. juni 2010

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

24. februar 2015

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

23. februar 2015

Sidst verificeret

1. februar 2015

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • TRANEX2009
  • 2008-006938-94 (EudraCT nummer)

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 .

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