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Sponsor Discretion
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This is a two-armed randomized controlled trial (RCT) primarily aimed at determining if application of Cytal Wound Matrix 1-Layer intervention to diabetic foot ulcers shows improved wound closure rates when compared to standard care intervention.
This is a prospective, two-armed, multi-center randomized controlled trial (RCT) comparing Cytal Wound Matrix 1-Layer intervention to standard of care (SOC) intervention in patients presenting with diabetic foot ulcers (DFU). Up to one hundred and fifty patients recruited from US based medical centers and randomized (using a 2(active):1(control) randomization scheme) to receive either Cytal Wound Matrix 1-Layer intervention or standard of care intervention.Complete wound closure incidence, wound healing rates, wound recurrence, and various health related quality of life (HRQOL) outcomes will be compared between study arms. Additionally, a cost effective analysis (i.e. direct and indirect costs) and review of individual and group changes in narcotic prescription patterns will also be evaluated. While incidence of wound closure rates will be evaluated through 12 weeks, protocol defined patient follow-up is for two years.
Data will be captured for remaining study objectives during these two years. An independent biostatistician will review all participant data for power and futility analysis. In addition, a clinical events committee (CEC) will adjudicate all adverse events (AEs) and serious adverse events (SAEs).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Standard of Care (SOC) | Placebo Comparator | The usual care a licensed health care provider would give patients to treat diabetic foot ulcers or wounds. |
|
| Cytal Wound Matrix 1-Layer | Active Comparator | The application of the Cytal Wound Matrix 1-Layer device according to the Cytal Wound Matrix 1-Layer instructions for use (IFU). |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Cytal Wound Matrix 1-Layer | Device | Cytal® Wound Matrix 1-Layer is composed of a porcine (pig) derived extracellular matrix known as urinary bladder matrix. It is intended for the management of a variety of wounds.The individual device is intended for one time use. |
| Measure | Description | Time Frame |
|---|---|---|
| Number of Wounds With Wound Closure | The primary endpoint of the study is to measure the incidence of complete wound closure (defined as 100% epithelialization) between randomized groups. Number of wounds was calculated as the total across all participants. | up to 12 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Wound Size Change | Measure changes in wound size, measured in cm2/week between randomized groups. | up to 12 weeks |
| Complete Wound Closure Time | Measure time to complete wound closure between randomized groups. |
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Inclusion Criteria:
In order to be eligible to participate in this study, an individual must meet all of the following criteria:
Exclusion Criteria:
An individual who meets any of the following criteria will be excluded from participation in this study:
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| Name | Affiliation | Role |
|---|---|---|
| Allison Matthews | Integra LifeSciences | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Limb Preservation Platform, Inc. | Fresno | California | 93710 | United States | ||
| Louisiana State University Health Science Center (LSUHSC) |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 15057876 | Background | Chen YH, DeMets DL, Lan KK. Increasing the sample size when the unblinded interim result is promising. Stat Med. 2004 Apr 15;23(7):1023-38. doi: 10.1002/sim.1688. | |
| 23846869 | Background | Dumville JC, O'Meara S, Deshpande S, Speak K. Hydrogel dressings for healing diabetic foot ulcers. Cochrane Database Syst Rev. 2013 Jul 12;2013(7):CD009101. doi: 10.1002/14651858.CD009101.pub3. |
| Label | URL |
|---|---|
| Description of Cytal Wound Matrix Products (including Cytal Wound Matrix 1-Layer) | View source |
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| ID | Title | Description |
|---|---|---|
| FG000 | Standard of Care (SOC) | The usual care a licensed health care provider would give patients to treat diabetic foot ulcers or wounds. Standard of Care (SOC): Standard of care (SOC) is defined as the usual care a licensed health care provider would give patients to treat diabetic foot ulcers or wounds. SOC associated procedures and policies may vary across clinical settings. |
| 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 | Aug 27, 2019 |
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| Standard of Care (SOC) | Other | Standard of care (SOC) is defined as the usual care a licensed health care provider would give patients to treat diabetic foot ulcers or wounds. SOC associated procedures and policies may vary across clinical settings. |
|
| up to 12 weeks |
| Wound Recurrence | Measure wound recurrence after healing is complete between randomized groups. | at 26 week visit and 52 week visit |
| Short Form-20 (SF-20) | The Short Form-20 is a 20-item questionnaire used to assess generic health outcomes from the participant's perspective. Scores are linearly measured from 0 (worst) to 100 (best) health functioning scores, respectively. | Baseline visit, visit #7, visit #13, 26 wk. visit, and 52 wk.visit |
| Diabetic Foot Ulcer Scale- Short Form (DFS-SF) | The diabetic foot ulcer scale- short form (DFS-SF) is a 29-item questionnaire designed to assess the impact of diabetic foot ulcers (DFUs) and their intervention on quality of life of participants diagnosed with diabetes. Scores measured from 0 (lower) to 100 (higher) quality of life, respectively. | Baseline visit, 26 week visit, and 52 week visit |
| Visual Analogue Scale (VAS) for Pain | The visual analogue scale (VAS) is a psychometric response scale for pain. It measures subjective characteristics or attitudes regarding perceived pain levels from participants. Participants are asked to draw a vertical line on a 10 cm horizontal line indicating what their current pain level would be. The distance between the start of the horizontal line to the vertical line is calculated in cm with a higher score (100) indicating greater pain intensity. | Up to 52 week visit (until study completion) |
| Katz Index of Independence in Activities of Daily Living (KATZ ADL) | The Katz ADL is a 6-item questionnaire measuring independence in activities of daily living such as bathing, dressing, toileting, transfers, feeding, and continence. Each item is dichotomized as either having a score of zero (i.e. dependence) or one (i.e. independence). This will be completed with the aid of a trained study staff member. | Baseline visit, visit 7, visit 13, 26 wk visit, and 52 wk visit |
| Adverse Events Frequency | This outcome measures diabetic foot ulcer (DFU) related adverse event frequency including unexpected adverse device events (UADEs) or serious adverse experiences (SAEs) throughout the duration of the study as well as evaluate such adverse event frequencies between randomized groups. | up to 52 week visit (until study completion) |
| Narcotic Prescription Changes Between Trial Arms | This outcome measures changes in number of diabetic foot ulcer (DFU) related narcotic prescriptions by study participant and between randomized groups. | up to 52 week visit (until study completion) |
| Participant Ambulatory Status | This outcome measures any changes in ambulatory status (i.e. bed, wheel chair, walk w/ assistance, or walk independent) by study participant and between randomized groups. | up to 52 week visit (until study completion) |
| Return to Work Status | This outcome measures differences in "return to work status" and/or "reported work status", activities of daily living, or disability status by study participant and between randomized groups. | up to 52 week visit (until study completion) |
| Diabetic Foot Ulcer (DFU) Specific Ancillary Medical Care | This outcome measures the incidence of diabetic foot ulcer (DFU) specific related medical care a study participant receives outside of the medical care provided by the investigator. Examples of ancillary care include, but are not limited to, emergency room (ER) visits, urgent care visits, outside medical procedures such as surgery, etc. The incidence of subjects requiring ancillary medical care will be tabulated and compared between randomized groups. This data will be collected via two questions (i.e. "Did participant receive any ancillary medical care?" and "If "yes", then specify where"). Responses are verified using source documentation. | up to 52 week visit (until study completion) |
| Diabetic Foot Ulcer (DFU) Related Direct Product(s) Costs | This outcome measures direct costs of the products by total cost per subject stratified by healed vs. non healed DFU. | up to 52 week visit (until study completion) |
| Indirect Diabetic Foot Ulcer (DFU) Product(s) Costs | This outcome measures total indirect and incidental costs of diabetic foot ulcer products used per study participant by each visit. | up to 52 week visit (until study completion) |
| New Orleans |
| Louisiana |
| 70112 |
| United States |
| MedStar Health Research Institute | Hyattsville | Maryland | 20782 | United States |
| 26171906 | Background | Wu L, Norman G, Dumville JC, O'Meara S, Bell-Syer SE. Dressings for treating foot ulcers in people with diabetes: an overview of systematic reviews. Cochrane Database Syst Rev. 2015 Jul 14;2015(7):CD010471. doi: 10.1002/14651858.CD010471.pub2. |
| 14986739 | Background | Bann CM, Fehnel SE, Gagnon DD. Development and validation of the Diabetic Foot Ulcer Scale-short form (DFS-SF). Pharmacoeconomics. 2003;21(17):1277-90. doi: 10.2165/00019053-200321170-00004. |
| 25685277 | Background | Yazdanpanah L, Nasiri M, Adarvishi S. Literature review on the management of diabetic foot ulcer. World J Diabetes. 2015 Feb 15;6(1):37-53. doi: 10.4239/wjd.v6.i1.37. |
| 24186882 | Background | Rice JB, Desai U, Cummings AK, Birnbaum HG, Skornicki M, Parsons NB. Burden of diabetic foot ulcers for medicare and private insurers. Diabetes Care. 2014;37(3):651-8. doi: 10.2337/dc13-2176. Epub 2013 Nov 1. |
| 10332667 | Background | Margolis DJ, Kantor J, Berlin JA. Healing of diabetic neuropathic foot ulcers receiving standard treatment. A meta-analysis. Diabetes Care. 1999 May;22(5):692-5. doi: 10.2337/diacare.22.5.692. |
| FG001 | Cytal Wound Matrix 1-Layer | The application of the Cytal Wound Matrix 1-Layer device according to the Cytal Wound Matrix 1-Layer instructions for use (IFU). Cytal Wound Matrix 1-Layer: Cytal® Wound Matrix 1-Layer is composed of a porcine (pig) derived extracellular matrix known as urinary bladder matrix. It is intended for the management of a variety of wounds.The individual device is intended for one time use. |
| COMPLETED |
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| NOT COMPLETED |
|
Not provided
| ID | Title | Description |
|---|---|---|
| BG000 | Standard of Care (SOC) | The usual care a licensed health care provider would give patients to treat diabetic foot ulcers or wounds. Standard of Care (SOC): Standard of care (SOC) is defined as the usual care a licensed health care provider would give patients to treat diabetic foot ulcers or wounds. SOC associated procedures and policies may vary across clinical settings. |
| BG001 | Cytal Wound Matrix 1-Layer | The application of the Cytal Wound Matrix 1-Layer device according to the Cytal Wound Matrix 1-Layer instructions for use (IFU). Cytal Wound Matrix 1-Layer: Cytal® Wound Matrix 1-Layer is composed of a porcine (pig) derived extracellular matrix known as urinary bladder matrix. It is intended for the management of a variety of wounds.The individual device is intended for one time use. |
| BG002 | 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, Categorical | Count of Participants | Participants |
| ||||||||||||||||||
| Sex: Female, Male | Count of Participants | Participants |
| ||||||||||||||||||
| Race (NIH/OMB) | Count of Participants | Participants |
| ||||||||||||||||||
| Number of Wounds | Number | Wounds |
|
| 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 | Number of Wounds With Wound Closure | The primary endpoint of the study is to measure the incidence of complete wound closure (defined as 100% epithelialization) between randomized groups. Number of wounds was calculated as the total across all participants. | The study was terminated by sponsor prior to completion, all enrolled subjects did not complete 12 weeks follow-up prior to termination. | Posted | Number | wounds | up to 12 weeks |
|
|
| |||||||||||||||||||||||||||||
| Secondary | Wound Size Change | Measure changes in wound size, measured in cm2/week between randomized groups. | The study was terminated by sponsor due to low enrollment and data were not collected. | Posted | up to 12 weeks |
|
| ||||||||||||||||||||||||||||||||
| Secondary | Complete Wound Closure Time | Measure time to complete wound closure between randomized groups. | The study was terminated by sponsor due to low enrollment and data were not collected. | Posted | up to 12 weeks |
|
| ||||||||||||||||||||||||||||||||
| Secondary | Wound Recurrence | Measure wound recurrence after healing is complete between randomized groups. | The study was terminated by sponsor due to low enrollment and data were not collected. | Posted | at 26 week visit and 52 week visit |
|
| ||||||||||||||||||||||||||||||||
| Secondary | Short Form-20 (SF-20) | The Short Form-20 is a 20-item questionnaire used to assess generic health outcomes from the participant's perspective. Scores are linearly measured from 0 (worst) to 100 (best) health functioning scores, respectively. | The study was terminated by sponsor due to low enrollment and data were not collected. | Posted | Baseline visit, visit #7, visit #13, 26 wk. visit, and 52 wk.visit |
| |||||||||||||||||||||||||||||||||
| Secondary | Diabetic Foot Ulcer Scale- Short Form (DFS-SF) | The diabetic foot ulcer scale- short form (DFS-SF) is a 29-item questionnaire designed to assess the impact of diabetic foot ulcers (DFUs) and their intervention on quality of life of participants diagnosed with diabetes. Scores measured from 0 (lower) to 100 (higher) quality of life, respectively. | The study was terminated by sponsor due to low enrollment and data were not collected. | Posted | Baseline visit, 26 week visit, and 52 week visit |
| |||||||||||||||||||||||||||||||||
| Secondary | Visual Analogue Scale (VAS) for Pain | The visual analogue scale (VAS) is a psychometric response scale for pain. It measures subjective characteristics or attitudes regarding perceived pain levels from participants. Participants are asked to draw a vertical line on a 10 cm horizontal line indicating what their current pain level would be. The distance between the start of the horizontal line to the vertical line is calculated in cm with a higher score (100) indicating greater pain intensity. | The study was terminated by sponsor due to low enrollment and data were not collected. | Posted | Up to 52 week visit (until study completion) |
| |||||||||||||||||||||||||||||||||
| Secondary | Katz Index of Independence in Activities of Daily Living (KATZ ADL) | The Katz ADL is a 6-item questionnaire measuring independence in activities of daily living such as bathing, dressing, toileting, transfers, feeding, and continence. Each item is dichotomized as either having a score of zero (i.e. dependence) or one (i.e. independence). This will be completed with the aid of a trained study staff member. | The study was terminated by sponsor due to low enrollment and data were not collected. | Posted | Baseline visit, visit 7, visit 13, 26 wk visit, and 52 wk visit |
| |||||||||||||||||||||||||||||||||
| Secondary | Adverse Events Frequency | This outcome measures diabetic foot ulcer (DFU) related adverse event frequency including unexpected adverse device events (UADEs) or serious adverse experiences (SAEs) throughout the duration of the study as well as evaluate such adverse event frequencies between randomized groups. | The study was terminated by sponsor due to low enrollment and data were not collected. | Posted | up to 52 week visit (until study completion) |
| |||||||||||||||||||||||||||||||||
| Secondary | Narcotic Prescription Changes Between Trial Arms | This outcome measures changes in number of diabetic foot ulcer (DFU) related narcotic prescriptions by study participant and between randomized groups. | The study was terminated by sponsor due to low enrollment and data were not collected. | Posted | up to 52 week visit (until study completion) |
|
| ||||||||||||||||||||||||||||||||
| Secondary | Participant Ambulatory Status | This outcome measures any changes in ambulatory status (i.e. bed, wheel chair, walk w/ assistance, or walk independent) by study participant and between randomized groups. | The study was terminated by sponsor due to low enrollment and data were not collected. | Posted | up to 52 week visit (until study completion) |
|
| ||||||||||||||||||||||||||||||||
| Secondary | Return to Work Status | This outcome measures differences in "return to work status" and/or "reported work status", activities of daily living, or disability status by study participant and between randomized groups. | The study was terminated by sponsor due to low enrollment and data were not collected. | Posted | up to 52 week visit (until study completion) |
|
| ||||||||||||||||||||||||||||||||
| Secondary | Diabetic Foot Ulcer (DFU) Specific Ancillary Medical Care | This outcome measures the incidence of diabetic foot ulcer (DFU) specific related medical care a study participant receives outside of the medical care provided by the investigator. Examples of ancillary care include, but are not limited to, emergency room (ER) visits, urgent care visits, outside medical procedures such as surgery, etc. The incidence of subjects requiring ancillary medical care will be tabulated and compared between randomized groups. This data will be collected via two questions (i.e. "Did participant receive any ancillary medical care?" and "If "yes", then specify where"). Responses are verified using source documentation. | The study was terminated by sponsor due to low enrollment and data were not collected. | Posted | up to 52 week visit (until study completion) |
| |||||||||||||||||||||||||||||||||
| Secondary | Diabetic Foot Ulcer (DFU) Related Direct Product(s) Costs | This outcome measures direct costs of the products by total cost per subject stratified by healed vs. non healed DFU. | The study was terminated by sponsor due to low enrollment and data were not collected. | Posted | up to 52 week visit (until study completion) |
|
| ||||||||||||||||||||||||||||||||
| Secondary | Indirect Diabetic Foot Ulcer (DFU) Product(s) Costs | This outcome measures total indirect and incidental costs of diabetic foot ulcer products used per study participant by each visit. | The study was terminated by sponsor due to low enrollment and data were not collected. | Posted | up to 52 week visit (until study completion) |
|
|
30 weeks
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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 | Standard of Care (SOC) | The usual care a licensed health care provider would give patients to treat diabetic foot ulcers or wounds. Standard of Care (SOC): Standard of care (SOC) is defined as the usual care a licensed health care provider would give patients to treat diabetic foot ulcers or wounds. SOC associated procedures and policies may vary across clinical settings. | 0 | 5 | 2 | 5 | 3 | 5 |
| EG001 | Cytal Wound Matrix 1-Layer | The application of the Cytal Wound Matrix 1-Layer device according to the Cytal Wound Matrix 1-Layer instructions for use (IFU). Cytal Wound Matrix 1-Layer: Cytal® Wound Matrix 1-Layer is composed of a porcine (pig) derived extracellular matrix known as urinary bladder matrix. It is intended for the management of a variety of wounds.The individual device is intended for one time use. | 0 | 10 | 3 | 10 | 5 | 10 |
| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| chest pain | Cardiac disorders | Non-systematic Assessment |
| ||
| infection of target wound/ulcer | Infections and infestations | Non-systematic Assessment |
| ||
| cellulitis of target wound/ulcer | Infections and infestations | Non-systematic Assessment |
| ||
| elbow infection | Infections and infestations | Non-systematic Assessment |
|
| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| flash burn, eye | Eye disorders | Non-systematic Assessment |
| ||
| pneumonia | Respiratory, thoracic and mediastinal disorders | Non-systematic Assessment |
| ||
| common cold | General disorders | Non-systematic Assessment |
| ||
| wound recurrence (after closure) | General disorders | Non-systematic Assessment |
| ||
| new toe wound on target foot | General disorders | Non-systematic Assessment |
| ||
| new wound on non-target limb | General disorders | Non-systematic Assessment |
| ||
| thumb infection | Infections and infestations | Non-systematic Assessment |
| ||
| cellulitis, leg | Infections and infestations | Non-systematic Assessment |
| ||
| infection of target wound | Infections and infestations | Non-systematic Assessment |
|
Due to early termination, additional primary and secondary endpoint analyses were not performed.
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Allison Matthews | Integra LifeSciences | (443) 766-3869 | allison.matthews@integralife.com |
| Jan 25, 2021 |
| Prot_SAP_000.pdf |
| ID | Term |
|---|---|
| D003920 | Diabetes Mellitus |
| D017719 | Diabetic Foot |
| D003924 | Diabetes Mellitus, Type 2 |
| D003922 | Diabetes Mellitus, Type 1 |
| D016523 | Foot Ulcer |
| ID | Term |
|---|---|
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
| D004700 | Endocrine System Diseases |
| D003925 | Diabetic Angiopathies |
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |
| D007871 | Leg Ulcer |
| D012883 | Skin Ulcer |
| D012871 | Skin Diseases |
| D017437 | Skin and Connective Tissue Diseases |
| D048909 | Diabetes Complications |
| D003929 | Diabetic Neuropathies |
| D001327 | Autoimmune Diseases |
| D007154 | Immune System Diseases |
| D005534 | Foot Diseases |
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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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| >=65 years |
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| Male |
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| Asian |
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| Native Hawaiian or Other Pacific Islander |
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| Black or African American |
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| White |
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| More than one race |
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| Unknown or Not Reported |
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