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Response of Continuous Recombinant Antithrombin Infusion in Postcardiotomy ECMO Patients

Primary Purpose

Antithrombin Deficiency Type 2

Status
Withdrawn
Phase
Early Phase 1
Locations
Study Type
Interventional
Intervention
ATryn continuous infusion
Sponsored by
Mayo Clinic
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional supportive care trial for Antithrombin Deficiency Type 2

Eligibility Criteria

18 Years - 90 Years (Adult, Older Adult)All SexesAccepts Healthy Volunteers

Inclusion Criteria:

  • Completed cardiac surgery with Cardiopulmonary Bypass and subsequently placed on venoarterial (VA) Extracorporeal Membrane Oxygenation (ECMO) support at any point during the ongoing hospitalization
  • Serum Antithrombin < 60%.

Exclusion Criteria:

  • Heart transplantation during ongoing hospitalization
  • Excessive bleeding (300 ml/hr of chest tube drainage for 2 consecutive hours)
  • Weight < 40 kg
  • Allergy to goat products
  • Anticoagulation with a direct thrombin inhibitor
  • Religious exception to blood products
  • Hypothermia (< 34°C)

Sites / Locations

    Arms of the Study

    Arm 1

    Arm Type

    Experimental

    Arm Label

    Infusion group

    Arm Description

    Subjects will receive ATryn continuous infusion for maintaining serum antithrombin III levels between 80 - 100

    Outcomes

    Primary Outcome Measures

    Percentage of time within the serum AT level target range of 80-100%
    Target value of Antithrombin is recorded as %

    Secondary Outcome Measures

    Full Information

    First Posted
    March 21, 2017
    Last Updated
    September 6, 2018
    Sponsor
    Mayo Clinic
    Collaborators
    rEVO Biologics
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    1. Study Identification

    Unique Protocol Identification Number
    NCT03090893
    Brief Title
    Response of Continuous Recombinant Antithrombin Infusion in Postcardiotomy ECMO Patients
    Official Title
    A Pilot Study, Prospective, Non-Randomized, Non-Blinded, Single-Center Study Evaluating the Response of Continuous Recombinant Antithrombin (ATryn) Infusion in Postcardiotomy ECMO Patients
    Study Type
    Interventional

    2. Study Status

    Record Verification Date
    September 2018
    Overall Recruitment Status
    Withdrawn
    Why Stopped
    PI passed away
    Study Start Date
    June 1, 2018 (Anticipated)
    Primary Completion Date
    June 2019 (Anticipated)
    Study Completion Date
    June 2019 (Anticipated)

    3. Sponsor/Collaborators

    Responsible Party, by Official Title
    Principal Investigator
    Name of the Sponsor
    Mayo Clinic
    Collaborators
    rEVO Biologics

    4. Oversight

    Studies a U.S. FDA-regulated Drug Product
    Yes
    Studies a U.S. FDA-regulated Device Product
    No
    Product Manufactured in and Exported from the U.S.
    Yes
    Data Monitoring Committee
    No

    5. Study Description

    Brief Summary
    The objective of this study will be to prospectively evaluate the response of a continuous infusion of recombinant human antithrombin concentrate (rhAT) (ATRYN®) to achieve and maintain the AT activity within a specified range in adult patients that require extracorporeal membrane oxygenation (ECMO) following cardiopulmonary bypass (CPB) and cardiac surgery.

    6. Conditions and Keywords

    Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
    Antithrombin Deficiency Type 2

    7. Study Design

    Primary Purpose
    Supportive Care
    Study Phase
    Early Phase 1
    Interventional Study Model
    Single Group Assignment
    Masking
    None (Open Label)
    Allocation
    N/A
    Enrollment
    0 (Actual)

    8. Arms, Groups, and Interventions

    Arm Title
    Infusion group
    Arm Type
    Experimental
    Arm Description
    Subjects will receive ATryn continuous infusion for maintaining serum antithrombin III levels between 80 - 100
    Intervention Type
    Drug
    Intervention Name(s)
    ATryn continuous infusion
    Intervention Description
    replenish serum thrombin levels
    Primary Outcome Measure Information:
    Title
    Percentage of time within the serum AT level target range of 80-100%
    Description
    Target value of Antithrombin is recorded as %
    Time Frame
    72 hour infusion period

    10. Eligibility

    Sex
    All
    Minimum Age & Unit of Time
    18 Years
    Maximum Age & Unit of Time
    90 Years
    Accepts Healthy Volunteers
    Accepts Healthy Volunteers
    Eligibility Criteria
    Inclusion Criteria: Completed cardiac surgery with Cardiopulmonary Bypass and subsequently placed on venoarterial (VA) Extracorporeal Membrane Oxygenation (ECMO) support at any point during the ongoing hospitalization Serum Antithrombin < 60%. Exclusion Criteria: Heart transplantation during ongoing hospitalization Excessive bleeding (300 ml/hr of chest tube drainage for 2 consecutive hours) Weight < 40 kg Allergy to goat products Anticoagulation with a direct thrombin inhibitor Religious exception to blood products Hypothermia (< 34°C)
    Overall Study Officials:
    First Name & Middle Initial & Last Name & Degree
    William C. Oliver, Jr., MD
    Organizational Affiliation
    Mayo Clinic
    Official's Role
    Principal Investigator

    12. IPD Sharing Statement

    Plan to Share IPD
    No
    IPD Sharing Plan Description
    will not share individual patient data

    Learn more about this trial

    Response of Continuous Recombinant Antithrombin Infusion in Postcardiotomy ECMO Patients

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