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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04591691
Other study ID # HUM00168547
Secondary ID 1U24DK122927-01
Status Recruiting
Phase
First received
Last updated
Start date October 14, 2020
Est. completion date December 31, 2023

Study information

Verified date March 2023
Source University of Michigan
Contact Katy Clark
Phone 734-615-6767
Email DFC-DCC-PM@umich.edu
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

This is a multi-center observational cohort study of patients with diabetic foot ulcers (DFU) to develop and validate potential tissue-based biomarkers that predict complete wound healing. Eligible and consented participants will begin standard of care treatment after collection of tissue specimens from the wound's edge. An additional tissue specimen is collected at 4 weeks if clinically indicated. Tissues will be tested for c-myc and phosphorylated glucocorticoid receptor (p-GR) levels using validated protocols at a central laboratory. Participants will be followed weekly for up to 12 weeks or until complete wound healing (whichever occurs first). One final assessment 2 weeks after complete wound healing will occur to confirm healing.


Recruitment information / eligibility

Status Recruiting
Enrollment 213
Est. completion date December 31, 2023
Est. primary completion date December 31, 2023
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: In order to be eligible to participate in this study, an individual must meet all of the following criteria: 1. Provision of signed and dated informed consent form 2. Stated willingness to comply with all study procedures and availability for the duration of the study 3. Male or female, aged 18 years or older. 4. Clinically diagnosed with diabetes or meeting the American Diabetes Association (ADA) criteria. 5. Foot ulcer of diabetic etiology, with all of the following characteristics: 1. Ulcer size > 0.5 cm2 and < 12 cm2 at least 2 cm from any other ulcer, and 2. Ulcer with Wagner grade 1 or 2 In case of multiple ulcers, select the largest ulcer that meets inclusion criteria. 6. Patients with neuropathic or neuro-ischemic ulcers with adequate circulation to allow healing to the affected extremity as demonstrated by at least 2 of the following within 6 months of Visit 1: 1. Ankle brachial index (ABI) = 0.6 with Doppler Waveforms, or 2. Absolute ankle pressure = 70 mm Hg, or 3. Toe pressure = 40 mmHg, or 4. TcPO2 = 40 mmHg 7. Willingness to comply with standard of care which includes an initial surgical debridement of the wound. Exclusion Criteria: An individual who meets any of the following criteria will be excluded from participation in this study: 1. Patient participating in an interventional clinical trial within 1 month of Visit 1 2. Currently receiving radiation to target area or chemotherapy 3. Participants with Charcot's foot or other foot deformities that prevents adequate targeted ulcer offloading 4. Participant with active severe infection or osteomyelitis at the time of screening 5. History of cancer within last 3 years, other than non-melanoma skin cancer 6. Known or suspected malignancy of current study ulcer 7. Use of adjunctive therapy within previous 30 days 8. Currently receiving medication considered to be systemic glucocorticoids 9. Plan to perform a vascular intervention, such as surgical bypass, angioplasty or stenting, or < 1 month from a prior ipsilateral vascular intervention 10. Any history of concomitant medical condition that, in the opinion of the investigator(s), would compromise the participant's ability to safely complete the study

Study Design


Locations

Country Name City State
United States University of Michigan Ann Arbor Michigan
United States Indiana University Health Indianapolis Indiana
United States University of Miami Miami Florida
United States University of Pittsburgh Pittsburgh Pennsylvania
United States University of California - San Francisco San Francisco California
United States Stanford University Stanford California

Sponsors (7)

Lead Sponsor Collaborator
University of Michigan Indiana University, National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), Stanford University, University of California, San Francisco, University of Miami, University of Pittsburgh

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Proportion of participants with complete wound healing by week 12, defined as complete wound closure where there is skin re-epithelialization without drainage or dressing requirements Up to 12 weeks
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