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Study was terminated due to slow enrollment
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In participants with diabetic foot ulcers (DFUs), this study will assess complete wound closure by comparing synthetic hybrid-scale fiber matrix (Restrata®) with standard of care.
In participants with venous leg ulcers (VLUs), this study will assess complete wound closure by comparing synthetic hybrid-scale fiber matrix (Restrata®) with living cellular skin substitute (Apligraf®)
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Diabetic Foot Ulcer Participants Assigned to Synthetic Hybrid-Scale Fiber Matrix (Restrata®) | Experimental | Biweekly (every 2 weeks) application for either 12 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) |
|
| Diabetic Foot Ulcer Participants Assigned to Standard of Care | Active Comparator | Weekly application for either 12 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) |
|
| Venous Leg Ulcer Participants Assigned to Synthetic Hybrid-Scale Fiber Matrix (Restrata®) | Experimental | Biweekly (every 2 weeks) application for either 16 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) |
|
| Venous Leg Ulcer Participants Assigned to Living Cellular Skin Substitute (Apligraf®) | Active Comparator | Biweekly (every 2 weeks) application for either 16 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Synthetic Hybrid-Scale Fiber Matrix | Device | A synthetic absorbable skin substitute indicated for use in the local management of wounds. It is made of small synthetic fibers that are designed to be similar to the structure of human skin. |
| Measure | Description | Time Frame |
|---|---|---|
| For Diabetic Foot Ulcers, Number of Wounds With 100 Percent Epithelialization (Closure) of Wound | The number of wounds in each treatment arm that achieved 100 percent epithelialization of wound as assessed by a blinded evaluator via review of a three-dimensional high resolution photo of the wound plus confirmation of no drainage or need for additional dressing 2 weeks after 100 percent epithelialization | 12 weeks |
| For Venous Leg Ulcers, Number of Wounds With 100 Percent Epithelialization (Closure) of Wound | The number of wounds in each treatment arm with 100 percent epithelialization of wound as assessed by a blinded evaluator via review of a three-dimensional high resolution photo of the wound plus confirmation of no drainage or need for additional dressing 2 weeks after 100 percent epithelialization | 16 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Percentage Change in Wound Area | Wound area measurements will be made via a three-dimensional high resolution photo of the wound with automated measurements. Mean percent wound change will be calculated for each treatment arm/group with Week 1 as the baseline value. Change is calculated using the 2-week follow up visit after wound closure for wounds that achieved closure, or for wounds that did not achieve closure, the Week 12 wound area for DFUs and Week 16 wound area for VLUs. |
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Inclusion Criteria for Participants with Diabetic Foot Ulcers:
Participant is at least 18 years old
Participant is willing and capable of complying with all protocol requirements
Participant or legally authorized representative (LAR) is willing to provide written informed consent
Participant has Type 1 or Type 2 diabetes (criteria for the diagnosis of diabetes mellitus per American Diabetes Association)
Ulcer(s) must be located at least in part on the foot or ankle
Ulcer(s) must be present for more than 28 days prior to randomization and initial application of study product, and has not adequately responded to conventional ulcer therapy
Wound size must be >1.0 cm^2 and < 25 cm^2 on the day of randomization and initial application of the study product, after initial debridement
Participant has adequate circulation to the affected extremity(ies), as demonstrated by at least ONE of the following within 60 days prior to enrollment/randomization:
Exclusion Criteria for Participants with Diabetic Foot Ulcers:
Inclusion Criteria for Participants with Venous Leg Ulcers:
Participant is at least 18 years old
Participant is willing and capable of complying with all protocol requirements
Participant or legally authorized representative (LAR) is willing to provide written informed consent
Participant has peripheral venous disease per investigator judgment or diagnostic confirmation
Ulcer(s) must be venous in origin, located on a lower extremity
Ulcer(s) must be present for more than 28 days prior to randomization and initial application of study product, and has not adequately responded to conventional ulcer therapy
Wound(s) size must be >1.0 cm^2 and < 50 cm^2 on the day of randomization and initial application of the study product, after initial debridement
Participant has adequate circulation to the affected extremity(ies), as demonstrated by at least ONE of the following within 60 days prior to enrollment/randomization:
Exclusion Criteria for Participants with Venous Leg Ulcers:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| ILD Research Center | Vista | California | 92083 | United States | ||
| University of Florida - Jacksonville |
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| ID | Title | Description |
|---|---|---|
| FG000 | Diabetic Foot Ulcer Participants Assigned to Synthetic Hybrid-Scale Fiber Matrix (Restrata®) | Biweekly (every 2 weeks) application for either 12 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) Synthetic Hybrid-Scale Fiber Matrix: A synthetic absorbable skin substitute indicated for use in the local management of wounds. It is made of small synthetic fibers that are designed to be similar to the structure of human skin. |
| Title | Milestones | Reasons Not Completed | |||||
|---|---|---|---|---|---|---|---|
| Overall Study |
|
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot_SAP | Yes | Yes | No | Study Protocol and Statistical Analysis Plan | Sep 30, 2022 |
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|
| Standard of Care | Device | To ensure off-loading, each patient will be fitted with an off-loading device based on the investigator's decision, e.g. a boot for forefoot and a heel protector for hindfoot. Patients is instructed on how to care for the surgical site, utilize an off-loading device, and keep the surgical site moist and clean. If the wound is dry, a hydrogel category dressing type should be used. If the wound has exudate, an alginate or foam dressing is recommended. |
|
| Living Cellular Skin Substitute | Device | An absorbable skin substitute comprised of human and bovine (cow) tissues indicated for use in the local management of wounds. |
|
|
| Weekly assessments for 12 weeks for DFU participants (16 weeks for VLU participants), or until 100 percent epithelialization, whichever occurs first. |
| Time to 100 Percent Epithelialization | The number of weeks from initial application of study product until 100 percent epithelialization is first identified. | 12 weeks for DFU wounds (16 weeks for VLU wounds), or until 100 percent epithelialization, whichever occurs first. |
| Total Number of Product Applications | The number of study applications including the initial application until 12 weeks for DFU patients and 16 weeks for VLU patients, or until 100% re-epithelialization, whichever occurs first | Initial application until 12 weeks for DFU patients and 16 weeks for VLU patients, or until 100% re-epithelialization, whichever occurs first |
| Jacksonville |
| Florida |
| 32209 |
| United States |
| Barry University | Miami Beach | Florida | 33169 | United States |
| Rush University Medical Center | Chicago | Illinois | 60612 | United States |
| Boston Medical Center | Boston | Massachusetts | 02118 | United States |
| Gundersen Health System | La Crosse | Wisconsin | 54601 | United States |
| FG001 | Diabetic Foot Ulcer Participants Assigned to Standard of Care | Weekly application for either 12 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) Standard of Care: To ensure off-loading, each patient will be fitted with an off-loading device based on the investigator's decision, e.g. a boot for forefoot and a heel protector for hindfoot. Patients is instructed on how to care for the surgical site, utilize an off-loading device, and keep the surgical site moist and clean. If the wound is dry, a hydrogel category dressing type should be used. If the wound has exudate, an alginate or foam dressing is recommended. |
| FG002 | Venous Leg Ulcer Participants Assigned to Synthetic Hybrid-Scale Fiber Matrix (Restrata®) | Biweekly (every 2 weeks) application for either 16 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) Synthetic Hybrid-Scale Fiber Matrix: A synthetic absorbable skin substitute indicated for use in the local management of wounds. It is made of small synthetic fibers that are designed to be similar to the structure of human skin. |
| FG003 | Venous Leg Ulcer Participants Assigned to Living Cellular Skin Substitute (Apligraf®) | Biweekly (every 2 weeks) application for either 16 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) Living Cellular Skin Substitute: An absorbable skin substitute comprised of human and bovine (cow) tissues indicated for use in the local management of wounds. |
| COMPLETED |
|
| NOT COMPLETED |
|
|
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| ID | Title | Description |
|---|---|---|
| BG000 | Diabetic Foot Ulcer Participants Assigned to Synthetic Hybrid-Scale Fiber Matrix (Restrata®) | Biweekly (every 2 weeks) application for either 12 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) Synthetic Hybrid-Scale Fiber Matrix: A synthetic absorbable skin substitute indicated for use in the local management of wounds. It is made of small synthetic fibers that are designed to be similar to the structure of human skin. |
| BG001 | Diabetic Foot Ulcer Participants Assigned to Standard of Care | Weekly application for either 12 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) Standard of Care: To ensure off-loading, each patient will be fitted with an off-loading device based on the investigator's decision, e.g. a boot for forefoot and a heel protector for hindfoot. Patients is instructed on how to care for the surgical site, utilize an off-loading device, and keep the surgical site moist and clean. If the wound is dry, a hydrogel category dressing type should be used. If the wound has exudate, an alginate or foam dressing is recommended. |
| BG002 | Venous Leg Ulcer Participants Assigned to Synthetic Hybrid-Scale Fiber Matrix (Restrata®) | Biweekly (every 2 weeks) application for either 16 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) Synthetic Hybrid-Scale Fiber Matrix: A synthetic absorbable skin substitute indicated for use in the local management of wounds. It is made of small synthetic fibers that are designed to be similar to the structure of human skin. |
| BG003 | Venous Leg Ulcer Participants Assigned to Living Cellular Skin Substitute (Apligraf®) | Biweekly (every 2 weeks) application for either 16 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) Living Cellular Skin Substitute: An absorbable skin substitute comprised of human and bovine (cow) tissues indicated for use in the local management of wounds. |
| BG004 | Total | Total of all reporting groups |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Age, Continuous | Mean | Standard Deviation | years |
| |||||||||||||||
| Sex: Female, Male | Count of Participants | Participants |
| ||||||||||||||||
| Ethnicity (NIH/OMB) | Count of Participants | Participants |
| ||||||||||||||||
| Race (NIH/OMB) | Count of Participants | Participants |
| ||||||||||||||||
| Wound area at baseline in cm^2 | Mean | Standard Deviation | cm^2 |
|
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | For Diabetic Foot Ulcers, Number of Wounds With 100 Percent Epithelialization (Closure) of Wound | The number of wounds in each treatment arm that achieved 100 percent epithelialization of wound as assessed by a blinded evaluator via review of a three-dimensional high resolution photo of the wound plus confirmation of no drainage or need for additional dressing 2 weeks after 100 percent epithelialization | Posted | Count of Units | wounds | 12 weeks | wounds | wounds |
|
|
| ||||||||||||||||||||||||||||||
| Primary | For Venous Leg Ulcers, Number of Wounds With 100 Percent Epithelialization (Closure) of Wound | The number of wounds in each treatment arm with 100 percent epithelialization of wound as assessed by a blinded evaluator via review of a three-dimensional high resolution photo of the wound plus confirmation of no drainage or need for additional dressing 2 weeks after 100 percent epithelialization | Posted | Count of Units | wounds | 16 weeks | wounds | wounds |
| ||||||||||||||||||||||||||||||||
| Secondary | Percentage Change in Wound Area | Wound area measurements will be made via a three-dimensional high resolution photo of the wound with automated measurements. Mean percent wound change will be calculated for each treatment arm/group with Week 1 as the baseline value. Change is calculated using the 2-week follow up visit after wound closure for wounds that achieved closure, or for wounds that did not achieve closure, the Week 12 wound area for DFUs and Week 16 wound area for VLUs. | Positive numbers represent increases and negative numbers to represent decreases | Posted | Mean | Standard Deviation | Percentage change | Weekly assessments for 12 weeks for DFU participants (16 weeks for VLU participants), or until 100 percent epithelialization, whichever occurs first. | wounds | wounds |
| ||||||||||||||||||||||||||||||
| Secondary | Time to 100 Percent Epithelialization | The number of weeks from initial application of study product until 100 percent epithelialization is first identified. | Posted | Mean | Standard Deviation | Weeks | 12 weeks for DFU wounds (16 weeks for VLU wounds), or until 100 percent epithelialization, whichever occurs first. | Wounds | Wounds |
| |||||||||||||||||||||||||||||||
| Secondary | Total Number of Product Applications | The number of study applications including the initial application until 12 weeks for DFU patients and 16 weeks for VLU patients, or until 100% re-epithelialization, whichever occurs first | ITT population | Posted | Mean | Standard Deviation | Number of applications | Initial application until 12 weeks for DFU patients and 16 weeks for VLU patients, or until 100% re-epithelialization, whichever occurs first | Wounds | Wounds |
|
2 weeks after healing OR 2 weeks after 12-14 weeks of treatment
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | Diabetic Foot Ulcer Participants Assigned to Synthetic Hybrid-Scale Fiber Matrix (Restrata®) | Biweekly (every 2 weeks) application for either 12 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) Synthetic Hybrid-Scale Fiber Matrix: A synthetic absorbable skin substitute indicated for use in the local management of wounds. It is made of small synthetic fibers that are designed to be similar to the structure of human skin. | 0 | 8 | 0 | 8 | 3 | 8 |
| EG001 | Diabetic Foot Ulcer Participants Assigned to Standard of Care | Weekly application for either 12 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) Standard of Care: To ensure off-loading, each patient will be fitted with an off-loading device based on the investigator's decision, e.g. a boot for forefoot and a heel protector for hindfoot. Patients is instructed on how to care for the surgical site, utilize an off-loading device, and keep the surgical site moist and clean. If the wound is dry, a hydrogel category dressing type should be used. If the wound has exudate, an alginate or foam dressing is recommended. | 0 | 10 | 3 | 10 | 4 | 10 |
| EG002 | Venous Leg Ulcer Participants Assigned to Synthetic Hybrid-Scale Fiber Matrix (Restrata®) | Biweekly (every 2 weeks) application for either 16 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) Synthetic Hybrid-Scale Fiber Matrix: A synthetic absorbable skin substitute indicated for use in the local management of wounds. It is made of small synthetic fibers that are designed to be similar to the structure of human skin. | 0 | 14 | 1 | 14 | 8 | 14 |
| EG003 | Venous Leg Ulcer Participants Assigned to Living Cellular Skin Substitute (Apligraf®) | Biweekly (every 2 weeks) application for either 16 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) Living Cellular Skin Substitute: An absorbable skin substitute comprised of human and bovine (cow) tissues indicated for use in the local management of wounds. | 0 | 16 | 0 | 16 | 3 | 16 |
| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| Fall | Injury, poisoning and procedural complications | Non-systematic Assessment |
| ||
| Amputation | Infections and infestations | Non-systematic Assessment |
| ||
| Atherectomy | Investigations | Non-systematic Assessment |
| ||
| Pain near wound | Skin and subcutaneous tissue disorders | Non-systematic Assessment |
|
| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| Wound NOS | Injury, poisoning and procedural complications | Non-systematic Assessment | non-site specific injury |
| |
| Wound infection staphylococcal | Infections and infestations | Non-systematic Assessment |
| ||
| Infestation | Infections and infestations | Non-systematic Assessment | maggots in wound |
| |
| skin ulcer | Skin and subcutaneous tissue disorders | Non-systematic Assessment | new ulceration |
| |
| influenza like illness | General disorders | Non-systematic Assessment |
| ||
| Lower respiratory tract signs and symptoms | Respiratory, thoracic and mediastinal disorders | Non-systematic Assessment |
| ||
| Pseudomonal infections | Infections and infestations | Non-systematic Assessment |
| ||
| Osteomyelitis | Infections and infestations | Non-systematic Assessment |
| ||
| Radiofrequency ablation | Surgical and medical procedures | Non-systematic Assessment |
| ||
| Cardiac Murmur | Cardiac disorders | Non-systematic Assessment |
| ||
| Covid-19 | Infections and infestations | Non-systematic Assessment |
| ||
| Wound erythema | Injury, poisoning and procedural complications | Non-systematic Assessment |
| ||
| Wound Infection | Infections and infestations | Non-systematic Assessment |
| ||
| Arthralgia | Musculoskeletal and connective tissue disorders | Non-systematic Assessment |
| ||
| Blister | Skin and subcutaneous tissue disorders | Non-systematic Assessment |
| ||
| Arteriovenous fistula | Vascular disorders | Non-systematic Assessment |
| ||
| Facial skin infection | Skin and subcutaneous tissue disorders | Non-systematic Assessment |
| ||
| Skin lesion excision | Skin and subcutaneous tissue disorders | Non-systematic Assessment |
| ||
| Headache | General disorders | Non-systematic Assessment |
| ||
| Joint injury | Injury, poisoning and procedural complications | Non-systematic Assessment |
| ||
| limb injury | Injury, poisoning and procedural complications | Non-systematic Assessment |
|
Early termination leading to small numbers of subjects analyzed
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Matthew MacEwan | Acera Surgical INC | 440-477-1890 | macewan@acera-surgical.com |
| Aug 29, 2025 |
| Prot_SAP_000.pdf |
Not provided
| ID | Term |
|---|---|
| D017719 | Diabetic Foot |
| D014647 | Varicose Ulcer |
| 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 |
| D014648 | Varicose Veins |
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| Male |
|
| Not Hispanic or Latino |
|
| Unknown or Not Reported |
|
| Asian |
|
| Native Hawaiian or Other Pacific Islander |
|
| Black or African American |
|
| White |
|
| More than one race |
|
| Unknown or Not Reported |
|
| Units | Counts |
|---|
| Participants |
|
| wounds |
|
|
| OG002 | Venous Leg Ulcer Participants Assigned to Synthetic Hybrid-Scale Fiber Matrix (Restrata®) | Biweekly (every 2 weeks) application for either 16 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) Synthetic Hybrid-Scale Fiber Matrix: A synthetic absorbable skin substitute indicated for use in the local management of wounds. It is made of small synthetic fibers that are designed to be similar to the structure of human skin. |
| OG003 | Venous Leg Ulcer Participants Assigned to Living Cellular Skin Substitute (Apligraf®) | Biweekly (every 2 weeks) application for either 16 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) Living Cellular Skin Substitute: An absorbable skin substitute comprised of human and bovine (cow) tissues indicated for use in the local management of wounds. |
|
|
Weekly application for either 12 weeks or until 100 percent epithelialization / wound closure (whichever occurs first)
| OG003 | Diabetic Foot Ulcer Participants Assigned to Synthetic Hybrid-Scale Fiber Matrix (Restrata) | Biweekly (every 2 weeks) application for either 12 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) |
|
|
| Diabetic Foot Ulcer Participants Assigned to Standard of Care (SOC) |
Weekly application for either 12 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) |
| OG003 | Diabetic Foot Ulcer Participants Assigned to Synthetic Hybrid-Scale Fiber Matrix (Restrata) | Biweekly (every 2 weeks) application for either 12 weeks or until 100 percent epithelialization / wound closure (whichever occurs first) |
|
|