NCT00951080

Brief Summary

The purpose of this study is to evaluate a novel negative pressure wound therapy (NPWT) device called the SNaP device compared to a traditional NPWT device for the treatment of lower extremity diabetic and venous ulcer wounds.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
132

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Jul 2009

Geographic Reach
1 country

17 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

July 1, 2009

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

July 31, 2009

Completed
4 days until next milestone

First Posted

Study publicly available on registry

August 4, 2009

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2011

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2011

Completed
9.6 years until next milestone

Results Posted

Study results publicly available

October 19, 2020

Completed
Last Updated

August 1, 2022

Status Verified

July 1, 2022

Enrollment Period

1.7 years

First QC Date

July 31, 2009

Results QC Date

September 21, 2020

Last Update Submit

July 29, 2022

Conditions

Keywords

ulcervenousdiabeticwounds and injuries

Outcome Measures

Primary Outcomes (1)

  • Percent Change in Wound Area

    The percent change in wound area as measured from Visitrak tracings (Value at 16 weeks minus value at baseline / value at baseline)

    Baseline and 16 weeks

Study Arms (2)

SNaP Wound Care System

EXPERIMENTAL
Device: SNaP Wound Care System

Traditional NPWT System

ACTIVE COMPARATOR
Device: Traditional NPWT System

Interventions

Standard wound dressing applications followed by negative pressure system application per manufacturer recommendations.

Traditional NPWT System

Wound dressing applications using customized system. Dressing applications changes per manufacturer recommendation.

SNaP Wound Care System

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Subject has Venous Ulcer or Diabetic Ulcer with a surface area \< 100 sq. cm and \< 10 cm in widest diameter on lower extremity, but larger than 1 sq. cm
  • Subject has wound present for \>30 days despite appropriate wound care
  • Subject has adequate blood perfusion (Defined as either transcutaneous oxygen measurements of the dorsum of the foot \>30 mmHg or 0.7 \< ABI \<1.2)
  • Subject has wound in location amendable to creation of airtight seal around wound using NPWT dressings
  • Subject is able to understand and provide written consent
  • Subject able to understand and provide written consent
  • Male or non-pregnant female willing to have urine pregnancy test

You may not qualify if:

  • Subject has Active Infection (Redness, Swelling, Pain, Purulent Exudate)
  • Subject has Untreated Osteomyelitis
  • Subject has Allergy to Wound Care Products used in the study
  • Subject has Malignancy, Burn, Collagen Vascular Disease, Sickle Cell, Vasculopathy, or Pyoderma Gangrenosum Origin of Wound
  • Subject has Active Charcot Arthropathy of the Foot
  • Subject has study wound location on toes or plantar surface of foot
  • Subject has uncontrolled hyperglycemia (HbA1C \>12%)
  • Subject has end stage renal disease requiring dialysis
  • Subject is undergoing active chemotherapy treatment that inhibits wound healing
  • Subject has had previous treatment with NPWT device, growth factors, hyperbaric oxygen, or bioengineered tissue product within 30 days of enrollment
  • Subject has a \>30% wound surface area reduction in size at 1 week after screening visit
  • Subject has any other condition that, in the opinion of the investigator, makes the subject inappropriate to take part in this study
  • Subject is unwilling or unable to comply with protocol requirements
  • Subject is pregnant

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (17)

Hope Research Institute

Phoenix, Arizona, 85050, United States

Location

Southern Arizona Limb Salvage Alliance (SALSA)

Tucson, Arizona, 85724, United States

Location

Center for Clinical Research, Inc.

Castro Valley, California, 94546, United States

Location

Jay Mukker, DPM Inc.

Fresno, California, 93726, United States

Location

Palomar Pomerado Health Wound Care Center

Poway, California, 92078, United States

Location

O'Connor Wound Care Clinic

San Jose, California, 95128, United States

Location

John Muir Wound Care Center

Walnut Creek, California, 94598, United States

Location

Georgetown University Hospital

Washington D.C., District of Columbia, 20007, United States

Location

Bethesda Health City Wound Care Center

Boynton Beach, Florida, 33437, United States

Location

Wound Care on Wheels, LLC

Jacksonville, Florida, 32216, United States

Location

Osceola Regional Medical Center

Kissimmee, Florida, 34741, United States

Location

Weil Foot & Ankle Institute

Des Plaines, Illinois, 60016, United States

Location

LA Cardiovascular & Limb Salvage Center

Lafayette, Louisiana, 70506, United States

Location

University of North Carolina

Chapel Hill, North Carolina, 27599, United States

Location

The Christ Hospital, Wound Healing Center

Cincinnati, Ohio, 45219, United States

Location

New Bridge Medical Research Corporation

Warren, Pennsylvania, 16365, United States

Location

Southwest Washington Medical Center Wound Healing Center

Vancouver, Washington, 98664, United States

Location

Related Publications (1)

  • Armstrong DG, Marston WA, Reyzelman AM, Kirsner RS. Comparison of negative pressure wound therapy with an ultraportable mechanically powered device vs. traditional electrically powered device for the treatment of chronic lower extremity ulcers: a multicenter randomized-controlled trial. Wound Repair Regen. 2011 Mar-Apr;19(2):173-80. doi: 10.1111/j.1524-475X.2010.00658.x.

MeSH Terms

Conditions

UlcerWounds and Injuries

Condition Hierarchy (Ancestors)

Pathologic ProcessesPathological Conditions, Signs and Symptoms

Results Point of Contact

Title
VP, Global Clinical Development
Organization
KCI

Study Officials

  • David G Armstrong, DPM, Ph.D.

    Southern Arizona Limb Salvage Alliance (SALSA)

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 31, 2009

First Posted

August 4, 2009

Study Start

July 1, 2009

Primary Completion

March 1, 2011

Study Completion

March 1, 2011

Last Updated

August 1, 2022

Results First Posted

October 19, 2020

Record last verified: 2022-07

Locations