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The goal of this clinical trial is to learn if use of Orionâ„¢, a dual-layer amniotic membrane allograft, in addition to standard wound care treatment can improve patient outcomes for people over the age of 50 with diabetic foot ulcers. The study aims to determine the incidence of complete wound closure at the end of 12 weeks of treatment. Researchers will compare the outcomes between a group of people treated with standard wound care and another group treated with standard wound care in addition to the amniotic membrane allograft to see if the amniotic membrane allograft improves wound healing.
During the study, participants will visit their doctor weekly over a 12 week period, which is standard for diabetic foot ulcer treatment procedures, and fill out a questionnaire measuring quality of life.
Lower extremity diabetic ulcers are a common complication affecting millions of people in the United States. The purpose of this study is to evaluate the clinical utility of Orionâ„¢, a dual-layer amniotic membrane allograft, versus standard wound care in the management of diabetic foot ulcers. Amniotic membrane allografts are confirmed by the FDA Tissue Reference Group to meet the criteria for regulation solely under Section 361 of the PHS Act as defined in 21 CFR Part 1271 for the management of diabetic foot ulcers. Investigators hypothesize that the group of participants who receive amniotic membrane allografts in addition to standard wound care will experience a faster rate and higher incidence of complete wound closure compared to standard wound care alone. For only partially healed wounds, investigators anticipate a statistically significant reduction in the size of the ulcer and improved quality of life for participants in the experimental arm compared to standard wound care alone.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Standard of Care (SOC) | Active Comparator | Standard of care DFU wound management |
|
| Amniotic Membrane plus Standard of Care | Experimental | Weekly application of Orionâ„¢ amniotic membrane allograft in addition to standard of care DFU wound management |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Orion TM Amniotic Membrane Allograft | Device | The intervention is a sterile allograft made from dehydrated extracellular matrix, designed to promote wound healing by providing a reliable and protective wound covering. Amniotic membranes are hypothesized to promote healing in open wounds by serving as a scaffold to support native tissue ingrowth, encouraging angiogenesis, and limiting microbial spread. |
| Measure | Description | Time Frame |
|---|---|---|
| Incidence of Complete Wound Closure | Percentage of enrolled study participants demonstrating 100% re-epithelialization of the index wound without leaking exudate at 12 weeks post-randomization. | starting from randomization until last visit of the 12-week wound management period |
| Measure | Description | Time Frame |
|---|---|---|
| Time to complete wound closure | time to 100% re-epithelialization of the index ulcer without leaking exudate as assessed by Kare inSight®, starting at randomization through identification of complete wound closure. | From time of randomization until the end of the twelve (12) week Wound Management Period. |
| Measure | Description | Time Frame |
|---|---|---|
| Per-Patient Product Cost | Per-patient product cost for Orionâ„¢ Allografts during the course of wound management. | starting from randomization until last visit of the 12-week wound management period. |
| Number of wound management products used. |
Inclusion Criteria
A. ABI ≥ 0.7 and ≤ 1.3 AND TBI > 0.7; B. Dorsum transcutaneous oxygen tension measurement (TcPO2) ≥ 40 mmHg; C. Arterial duplex with biphasic flow in BOTH the DP and PT arteries verified by PI and documented.
Exclusion Criteria
Index foot ulcer documented to be caused by a medical condition other than diabetes;
Potential subject has five (5) or more DFUs and/or VLUs in the target limb;
DFU is secondary to Charcot neuroarthropathy;
Treatment with an antibiotic impregnated primary dressing ≤ 4 weeks prior to study screening;
Index ulcer is potentially or confirmed by biopsy to be cancerous;
Index ulcer site has undergone radiation therapy;
Venous leg ulcers in diabetic patients;
Active infection proximal to or at site of index ulcer;
Index foot ulcer reduced in area by ≥ 20% at the end of the 4-week run-in period;
Presence of active osteomyelitis or bone infection as verified by x-ray /MRI within 30 days of visit #1 of the run-in period;
Raynaud's disease;
Unreconstructible arterial ischemia which may lead to nonhealing;
Treatment with immunosuppressants, including systemic corticosteroids for ≥ 2 weeks within 30 days prior to study screening, or are anticipated during study participation;
Any active cancer undergoing treatment ≤ 30 days prior to wound management visit #1 of the run-in period, or is anticipated during study participation;
Treatment with chemotherapy within 30 days of the first study wound management visit of the run-in period, or is anticipated during study participation;
Diabetics with poor metabolic control, defined as HbA1c ≥ 12.0%, within 30 days of visit #1 of the run-in period;
Participation in an investigational device, biologic, or drug study currently or within 30 days of study wound management visit #1 of the run-in period;
Prior use of any advanced skin substitute product on the index ulcer within 60 days of visit #1 of the run-in period;
Index ulcer was continued to be treated after visit #1 of the run-in period and/or anticipate treatment during study participation with any of the following prohibited therapies:
Patient is taking a cyclooxygenase-2 inhibitor (COX-2 inhibitor); such as, celecoxib (Celebrex, Consensi, Elyxyb), valdecoxib (Bextra), amlodipine (Consensi);
Patient has serum creatinine > 2.5 mg/dL within 30 days of study wound management visit #1 of the run-in period;
Autoimmune connective tissue disease;
End stage renal disease (ESRD);
Presence of any condition which would seriously compromise the subject's ability to complete this study;
Known history of poor adherence to medical therapy and/or clinic appointments;
Pregnant, or planning to become pregnant during the study;
Life expectancy < 1 year.
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Cyaandi Dove, DPM | Contact | 210-567-5135 | dovec@ohsu.edu | |
| Christopher Schultz, BS, CCRA, ACRP-PM | Contact | 719-400-7463 | cschultz@ecr-inc.com |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| DPMG | Recruiting | Palm Springs | California | 92262 | United States |
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| Standard of Care (SOC) | Procedure | Standard wound care entails surgical debridement as needed to remove all non-viable tissue, screening for infection and probing of the wound for bone, weekly application of a collagen alginate primary dressing, and off-loading using a removable diabetic offloading cam-walker or total contact cast. |
|
| Incidence of complete wound closure |
Incidence of complete wound closure, defined as 100% re-epithelialization of the index ulcer without leaking exudate as assessed by eKare inSight® at eight (8) weeks post-randomization. |
| From time of randomization to eight (8) weeks post-randomization. |
| Number of Orionâ„¢ Allografts or collagen alginate (SOC) dressings required for complete wound closure. | The number of Number of Orionâ„¢ Allografts or collagen alginate (SOC) dressings required for complete wound closure during twelve (12) week Wound Management Period. | From the time of randomization through the twelve (12) week Wound Management Period. |
| Change in Quality of Life metrics | Change in QoL metrics at twelve (12) weeks post-randomization compared to baseline as reported by the subject in the WOUND-Q QoL questionnaires: Life Impact (8-32; higher is better); Lower Limb Symptoms (10-40; higher is better) | starting from randomization to last visit of the 12-week wound management period |
| Recurrence Within Six Months | Recurrence within six (6) months post wound managment period completion, defined as meeting the primary endpoint and reopening of index ulcer at the same site within six (6) months. | starting from last visit of the 12-week wound management period until 6-month follow-up visit |
| Change in wound size | Percent area change of index ulcer at completion of twelve (12) weeks post-randomization. | from the time of randomization through twelve (12) weeks post-randomization. |
| Change in QoL metrics in follow-up. | Change in QoL metrics to six (6) months after completion of the Wound Management Period as reported by the patient in the WOUND-Q QoL questionnaire. | From time of completion of the Wound Management Period through six (6) months. |
| Adverse events | Adverse events from randomization through six (6) month follow-up. | From the time of randomization through six (6) month follow-up. |
| Serious adverse events | Occurrence of serious adverse events (SAEs) from randomization through six (6) month follow-up. | From the time of randomization through six (6) month follow-up. |
| Major amputations | Major amputations defined as amputation above the metatarsals. | From the time of randomization through six (6) month follow-up. |
| Minor amputations | Minor amputations defined as amputation involving toe or metatarsal only. | From the time of randomization through six (6) month follow-up. |
| Hospital admission(s) | Hospital admission(s) and diagnosis from randomization through six (6) month follow-up. | From the time of randomization through six (6) month follow-up. |
| Emergency Department (ED) visit(s) | ED visit(s) without admission through six (6) month follow-up. | From the time of randomization through six (6) month follow-up. |
Number of wound management products used in each group.
| Following completion of the 12-week Wound Management Period (WMP Visit #13) through the six (6) month follow-up. |
| Center for Clinical Research Inc. | Recruiting | San Francisco | California | 94115 | United States |
|
| ILD Research Center | Recruiting | Vista | California | 92081 | United States |
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| Stamford Health Medical Group | Recruiting | Darien | Connecticut | 06820 | United States |
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| Optimum Care Research Center | Recruiting | Pembroke Pines | Florida | 33025 | United States |
|
| Rosalind Franklin University of Medicine and Science | Recruiting | Chicago | Illinois | 60064 | United States |
|
| Chesapeake Research Group | Recruiting | Pasadena | Maryland | 21122 | United States |
|
| Oregon Health & Science University | Recruiting | Portland | Oregon | 97239 | United States |
|
| ID | Term |
|---|---|
| D017719 | Diabetic Foot |
| ID | Term |
|---|---|
| D003925 | Diabetic Angiopathies |
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |
| D016523 | Foot Ulcer |
| D007871 | Leg Ulcer |
| D012883 | Skin Ulcer |
| D012871 | Skin Diseases |
| D017437 | Skin and Connective Tissue Diseases |
| D048909 | Diabetes Complications |
| D003920 | Diabetes Mellitus |
| D004700 | Endocrine System Diseases |
| D003929 | Diabetic Neuropathies |
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| ID | Term |
|---|---|
| D059039 | Standard of Care |
| ID | Term |
|---|---|
| D019984 | Quality Indicators, Health Care |
| D011787 | Quality of Health Care |
| D006298 | Health Services Administration |
| D017530 | Health Care Quality, Access, and Evaluation |
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