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Home > "I" Clinical Trials Conditions > Investigation of Subatmospheric Pressure Dressing on Pressure Ulcer Healing  Investigation of Subatmospheric Pressure Dressing on Pressure Ulcer Healing
Investigation of Subatmospheric Pressure Dressing on Pressure Ulcer Healing
For Condition: Diabetic Foot Ulcers
Status: No longer recruiting
Sponsor(s): Department of Veterans Affairs ,
Synopsis: Many spinal cord injury (SCI) and otherwise debilitated patients develop pressure ulcers over the course of their injury or disease. Despite enhanced wound care management, many pressure ulcers do not heal completely and require surgical myocutaneous rotational flap coverage. Even then they often recur. The objectives of this study are: (1) to conduct a controlled comparative study of the effectiveness of subatmospheric pressure dressing (SPD) in healing pressure ulcers versus conventional saline wet-to-moist dressing techniques; (2) to establish indications and contra-indications for use of SPD In treating pressure ulcers; and (3) to develop a noninvasive, clinically usable optical digitizer and associated software for measurement of wound geometry for standardized quantitative assessment and longitudinal monitoring of wound healing.
Details: Many spinal cord injury (SCI) and otherwise debilitated patients develop pressure ulcers over the course of their injury or disease. Despite enhanced wound care management, many pressure ulcers do not heal completely and require surgical myocutaneous rotational flap coverage. Even then they often recur. HYPOTHESIS: Subatmospheric pressure dressing (SPD) treatment applied to pressure ulcers will either completely close them, or heal to a point allowing for skin graft coverage, more often than 0.9% normal saline wet-to-moist dressing (WTMD) treatment. OBJECTIVES: The objectives of this study are: (1) to conduct a controlled comparative study of the effectiveness of subatmospheric pressure dressing (SPD) in healing pressure ulcers versus conventional saline wet-to-moist dressing techniques; (2) to establish indications and contra-indications for use of SPD In treating pressure ulcers; and (3) to develop a noninvasive, clinically usable optical digitizer and associated software for measurement of wound geometry for standardized quantitative assessment and longitudinal monitoring of wound healing. RESEARCH METHODS: 120 patients with stage III or IV pressure ulcers meeting the project selection criteria will be recruited for the project. Patients will be randomly assigned in a 3:1 (SPD to WTMD) ratio to either the control group receiving 0.9% normal saline wet-to-moist wound dressing and treatment, or to the subatmospheric pressure dressing group. All subjects selected will be further stratified according to degree of wound severity, nutritional status, and evidence of wound infection. The WTMD group will receive 0.9% NS moistened gauze applied to the wound, which will be changed every 8 hours. The SPD group will receive SPD dressing with the VACTM system set at a constant subatmospheric pressure of negative 125 mmHg. The SPD device and dressing will be left in place and changed every Monday, Wednesday, and Friday. The subjects' pressure ulcers will be measured on day 0 and then on a weekly basis. Ulcer surface shape, area, and coloration will be recorded with a digital camera and also by tracing the ulcer perimeter on a flexible translucent plastic film with grid overlaid on the wound. In addition, an optical laser scanner will used to record ulcer shape, area, and coloration, and body/limb segmental volume in the region of the wound. Volume will also be measured using alginate wound impressions to form RTV silicone molds for fluid displacement measurement. The molds of the wounds will also be optically digitized and wound perimeter, topical surface area, total 3-D surface area, and volume calculated using computer image processing, planimetry, and volumetry software developed in the project. Local body/limb segment volume will also be calculated to monitor edematous fluctuations. Based on these measurements, the wound responses will be scored as described in Table 2 after one month or at the time of the patient's withdrawal from the study. The association between response level and treatment type will be analyzed using Chi-square test of association. Mantel-Haenszel Chi-square and logistic regression will be used to control for prognostic variables.
Eligibility:
Study Type: Interventional, Treatment, Randomized, Open Label, Active Control, Single Group Assignment, Efficacy Study
Minimum Age/Maximum Age: 18 Years/
Genders: Both
Protocol Entry Criteria: wounds and ulcers
Total Enrollment: 120
Location and Contact Information:
Overall Study Official:
WijeguptaEllepola, , Program Analysis and Review Section (PARS), Department of Veterans Affairs, Rehabilitation Research & Development Service
VAMC, New York
New York City, New York,
United States
Additional Information:
Study ID Numbers: A2108;
Study Start Date: January 2000
Record last reviewed: January 2001
Additional information available at: clinicaltrials.gov
Clinicaltrials.gov Reference link: NCT00011531
Other Diabetic Foot Ulcers Studies:
1. Gene Therapy to Improve Wound Healing in Patients With Diabetes
2. Clinical Trials of Footwear in Patients with Diabetes-Study Arm 2,3
3. A Prospective Study of Endothelial Dysfunction and Diabetic Foot Ulcer Risk
4. Investigation of Subatmospheric Pressure Dressing on Pressure Ulcer Healing
5. Long-Term Treatment and Re-Treatment of Lower Extremity Diabetic Ulcers with Regranex or Placebo
Related Studies:
Other Diabetic Foot Ulcers Clinical Trials
Other New York Clinical Trials
Other New York City Clinical Trials
Investigation of Subatmospheric Pressure Dressing on Pressure Ulcer Healing
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