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RESPECT Trial - (Rapid Extravascular Sealing Via PercutanEous Collagen ImplanT)

C

Cardiva Medical

Status

Completed

Conditions

Surgical Wound

Treatments

Device: Cardiva VASCADE™ Vascular Closure System
Other: Manual compression

Study type

Interventional

Funder types

Industry

Identifiers

NCT01297322
PTL 0243

Details and patient eligibility

About

The objective of this trial is to demonstrate the safety and effectiveness of the Cardiva VASCADE™ Vascular Closure System (VCS) in sealing femoral arterial access sites. Hypothesis: The Cardiva VASCADE™ VCS provides times to hemostasis (TTH) and time to ambulation (TTA) results that are less than manual compression by a clinically meaningful and statistically significant margin. The rate of major access site-related complications with the Cardiva VASCADE™ VCS is non-inferior to the major complication rates of manual compression for sealing femoral arterial access sites.

Full description

A prospective, randomized, controlled multi-center clinical trial designed to evaluate the safety and effectiveness of the study device in sealing femoral arterial access sites and providing reduced times to hemostasis and ambulation compared with manual compression at the completion of diagnostic or interventional endovascular procedures performed through 6 Fr or 7 Fr introducer sheaths. Subjects will be randomized in a 2:1 treatment device to control ratio.

Enrollment

420 patients

Sex

All

Ages

18 to 80 years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Pre-Operative Inclusion Criteria:

  • Patients undergoing an elective, non-emergent diagnostic or interventional endovascular procedure via the common femoral artery using a 6 or 7 Fr introducer sheath

Pre-Operative Exclusion Criteria:

  1. Advanced refusal of blood transfusion, if necessary;
  2. Active systemic or a cutaneous infection or inflammation;
  3. Pre-existing immunodeficiency disorder and/or chronic use of systemic steroids;
  4. Known, significant history of bleeding diathesis, coagulopathy, von Willebrand's disease or current platelet count < 100,000 cells/mm3, baseline INR ≥1.8, or fibrinogen level less than 150 mg/dl (if received a fibrinolytic agent within prior 24 hours);
  5. Severe co-existing morbidities having a life expectancy of less than 30 days;
  6. Currently involved in any other investigational clinical trial;
  7. Ipsilateral femoral arteriotomy within the previous 30 days;
  8. Planned endovascular procedure within the next 30 days;
  9. Previous ipsilateral femoral artery closure using a permanent implant-based closure device;
  10. Previous vascular grafts or surgery at the target vessel access site;
  11. History of symptomatic peripheral arterial disease, revascularization or deep vein thrombosis in the ipsilateral limb;
  12. Unilateral or bilateral lower extremity amputation(s);
  13. Significant anemia with a hemoglobin level less than 10 g/dL or a hematocrit less than 30%;
  14. Renal insufficiency (serum creatinine of > 2.5 mg/dl);
  15. Females who are pregnant, planning to become pregnant within 3 months of the procedure, or lactating;
  16. Extreme morbid obesity (BMI greater than 45 kg/m2) or underweight (BMI less than 20 kg/m2);
  17. Unable to routinely walk at least 20 feet without assistance (see protocol);
  18. Known allergy/adverse reaction to bovine derivatives, sodium hyaluronate or hyaluronan preparations;
  19. Procedures that extend hospitalization (e.g., staged endovascular procedure, CABG);
  20. Administration of low molecular weight heparin (LMWH) within 8 hours of the procedure.

Intra-op Exclusion Criteria

  1. An introducer sheath with an overall length greater than 11 cm, or not 6 Fr or 7 Fr diameter;
  2. Femoral artery diameter less than 6 mm at access site;
  3. Difficult insertion of procedural sheath or needle stick problems at the onset of the procedure (e.g., multiple stick attempts, "back wall stick", etc.);
  4. Angiographic evidence of more than minimal calcium, atherosclerotic disease, or stent within 1 cm of the puncture site;
  5. Overlapping Common Femoral Vein and Femoral Artery at access site;
  6. Placement of ipsilateral venous sheath during procedure;
  7. Arterial access site located not at common femoral artery (e.g., on or below the bifurcation, above the lower border of the inferior epigastric artery, or above the pelvic brim);
  8. More than one access site required;
  9. Loss of distal pulses in the ipsilateral extremity during the procedure;
  10. Subjects receiving unfractionated heparin with an ACT greater than 300 seconds in the absence of a glycoprotein IIb/IIIa inhibitor or greater than 250 seconds in the presence of a glycoprotein IIb/IIIa inhibitor (may wait to remove introducer sheath until ACT level reaches the target value);
  11. Intra-procedural bleeding around sheath, or suspected intraluminal thrombus, hematoma, pseudoaneurysm, or AV fistula;
  12. Systemic hypertension (BP greater than 180/110 mmHg) or hypotension (BP less than 90/60 mmHg) prior to randomization;
  13. Length of the tissue tract, the distance between the anterior arterial wall and skin, is estimated to be less than 2.5 cm;
  14. If the physician deems that a different method should be used to achieve hemostasis of the arterial site or that the subject should not attempt ambulation according to the protocol requirements.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

420 participants in 2 patient groups

Manual compression
Active Comparator group
Description:
Using manual compression to reach hemostasis
Treatment:
Other: Manual compression
VASCADE™ Vascular Closure System
Experimental group
Description:
The Cardiva VASCADETM Vascular Closure System (VCS) is indicated for the percutaneous closure of common femoral artery access sites while reducing times to hemostasis and ambulation in patients who have undergone diagnostic or interventional endovascular catheterization procedures utilizing 6 Fr or 7 Fr procedural sheaths.
Treatment:
Device: Cardiva VASCADE™ Vascular Closure System

Trial documents
1

Trial contacts and locations

21

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Data sourced from clinicaltrials.gov

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