Diabetic Foot Clinical Trial
— DFUBiofilmOfficial title:
Diabetic Foot Ulcer (DFU) Biofilm Infection and Recurrence
Diabetic foot ulcers (DFU) are one of the most common reasons for hospitalization of diabetic patients and frequently results in amputation of lower limbs. Of the one million people who undergo non-traumatic leg amputations annually worldwide, 75% are performed on people who have type 2 diabetes (T2DM). The risk of death at 10 years for a diabetic with DFU is twice as high as the risk for a patient without a DFU. The rate of amputation in patients with DFU is 38.4%4. Infection is a common (>50%) complication of DFU. Emerging evidence underscores the significant risk that biofilm infection poses to the non-healing DFU. Biofilms are estimated to account for 60% of chronic wound infections. In the biofilm form, bacteria are in a dormant metabolic state. Thus, standard clinical techniques like the colony forming unit (CFU) assay to detect infection may not detect biofilm infection. Thus, biofilm infection may be viewed as a silent maleficent threat in wound care.
Status | Recruiting |
Enrollment | 405 |
Est. completion date | June 27, 2029 |
Est. primary completion date | June 27, 2027 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - Male or Female, Age = 18 - Willing to comply with protocol instructions, including all study visits and study activities. - Patient with an open Diabetic Foot Ulcer - Adequate arterial blood flow as evidenced by at least one of the following (for wounds below the knee): - TcOM >30 mmHg - Ankle-brachial index =0.7-1.20 - Toe pressure > 30 mmHg - TBI > 0.6 mmHg Exclusion Criteria: - Individuals who are deemed unable to understand the procedures, risks, and benefits of the study. - Wounds closed or to be surgically closed by flap or graft coverage - Subjects with marked immunodeficiency (HIV/AIDS, or on immunosuppressive medications. - TcOM < 30mmHg - Diabetics with a hemoglobin A1c > 12 within 3 months prior to enrollment - Subject with autoimmune connective tissue disease - Ulcer size and location that does not allow the TEWL measurement per SOP - Pregnant women - Prisoners - Unable to comply with study procedures and/or complete study visits |
Country | Name | City | State |
---|---|---|---|
United States | UPMC Wound Healing Services at UPMC Passavant | Cranberry Township | Pennsylvania |
United States | University of Arizona | Tucson | Arizona |
Lead Sponsor | Collaborator |
---|---|
University of Pittsburgh | National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), University of Arizona |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Aim 1 | Determine how biofilm-induced DFU tissue microRNA's disrupt barrier function of the repairing DFU | 16 weeks | |
Primary | Aim 2 | Test the incidence of wound biofilm infection at initial visit and test its association with deficient skin barrier function at the closed DFU-site | 16 weeks | |
Primary | Aim 3 | Test whether closed DFU with deficient barrier function is associated with higher rate of recidivism | 12 weeks |
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