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| Name | Class |
|---|---|
| Premier Research | OTHER |
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The purpose of this study is to determine whether the gentamicin-collagen sponge when combined with standard daily wound care and an oral antibiotic (levofloxacin) is safe and effective in treating moderately infected skin ulcers compared to treatment only with standard daily wound care and an oral antibiotic (levofloxacin).
Infected skin ulcers with diabetes can be very debilitating because they are difficult to heal. Diabetic ulcers are responsible for frequent health care visits, and are a major predictor of amputation. Diabetic ulcers can be caused by a patient's inability to sense pain or warmth as well as peripheral vascular disease, which causes diminished blood flow to the foot. Early aggressive treatment is necessary to treat infection and ultimately prevent the need for amputation.
Gentamicin is an antibiotic that is effective in treating certain kinds of infection. Collagen is a protein that is found in all mammals. The gentamicin-collagen sponge is a thin flat sponge made out of collagen that comes from cow tendons and containing gentamicin. When applied to an open ulcer, the collagen breaks down and the gentamicin is released into the ulcer, but very little is absorbed into the blood stream. The high levels of gentamicin in the open infected ulcer may help treat the infection.
In this study, all subjects will be given the necessary supplies and taught how to take care their foot ulcer. All subjects will also receive oral an antibiotic (levofloxacin). Additionally, subjects who are randomly assigned to receive the gentamicin-collagen sponge will place a gentamicin-collagen sponge on their ulcer during daily wound care.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| A | Experimental | Gentamicin sponge applied into wound plus levofloxacin, 750 mg by mouth (po) or intravenous (IV) every 24 hours or, if ulcer culture results show resistance to levofloxacin, alternative antimicrobial therapy as determined by susceptibility testing |
|
| B | Active Comparator | Levofloxacin, 750 mg po or IV every 24 hours or, if ulcer culture results show resistance to levofloxacin, alternative antimicrobial therapy as determined by susceptibility testing |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| gentamicin-collagen sponge and levofloxacin | Drug | Topical Gentamicin Collagen Sponge: 10 × 10 cm in size And 750 mg tablet po every 24 hours or 750 mg IV administered by slow infusion over 90 minutes every 24 hours. |
| Measure | Description | Time Frame |
|---|---|---|
| Number of Participants With a Clinical Cure at Visit 3 (Day 7) | Number of participants with a clinical cure in each treatment group at Visit 3 (Day 7). Clinical Cure is defined as positive clinical response and with pathogen eradication. | Day 7 of treatment |
| Measure | Description | Time Frame |
|---|---|---|
| Number of Participants With a Positive Clinical Response at Each Time Point | Number of patients with positive clinical response, defined as those with a clinical outcome of "clinical cure" or "clinical improvement" in each treatment group at/by each time point | Day 3, 7, 10,14, 21, 28 and 42 |
| Number of Participants With a Clinical Cure at Each Visit Except Visit 3 (Day 7) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| David Prior | Innocoll | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Karr Foot Kare PA | Lakeland | Florida | 33813 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 22659765 | Result | Lipsky BA, Kuss M, Edmonds M, Reyzelman A, Sigal F. Topical application of a gentamicin-collagen sponge combined with systemic antibiotic therapy for the treatment of diabetic foot infections of moderate severity: a randomized, controlled, multicenter clinical trial. J Am Podiatr Med Assoc. 2012 May-Jun;102(3):223-32. doi: 10.7547/1020223. |
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Investigative medical sites
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| ID | Title | Description |
|---|---|---|
| FG000 | Gentamicin-collagen Sponge and Levofloxacin | Gentamicin-collagen sponge and levofloxacin: Topical Gentamicin Collagen Sponge: 10 × 10 cm in size And 750 mg tablet po every 24 hours or 750 mg IV administered by slow infusion over 90 minutes every 24 hours. |
| FG001 | Levofloxacin | Levofloxacin only: levofloxacin, 750 mg tablet po every 24 hours or 750 mg IV administered by slow infusion over 90 minutes every 24 hours |
| Title | Milestones | Reasons Not Completed | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
|
|
modified intent-to-treat
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| ID | Title | Description |
|---|---|---|
| BG000 | Gentamicin Sponge | Gentamicin sponge applied into wound plus levofloxacin, 750 mg by mouth (po) or intravenous (IV) every 24 hours or, if ulcer culture results show resistance to levofloxacin, alternative antimicrobial therapy as determined by susceptibility testing gentamicin-collagen sponge and levofloxacin: Topical Gentamicin Collagen Sponge: 10 × 10 cm in size And 750 mg tablet po every 24 hours or 750 mg IV administered by slow infusion over 90 minutes every 24 hours. |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Continuous | Mean |
| 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 Participants With a Clinical Cure at Visit 3 (Day 7) | Number of participants with a clinical cure in each treatment group at Visit 3 (Day 7). Clinical Cure is defined as positive clinical response and with pathogen eradication. | modified intent-to-treat | Posted | Count of Participants | Participants | Day 7 of treatment |
|
Day 42
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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 | Gentamicin Sponge | Gentamicin sponge applied into wound plus levofloxacin, 750 mg by mouth (po) or intravenous (IV) every 24 hours or, if ulcer culture results show resistance to levofloxacin, alternative antimicrobial therapy as determined by susceptibility testing gentamicin-collagen sponge and levofloxacin: Topical Gentamicin Collagen Sponge: 10 × 10 cm in size And 750 mg tablet po every 24 hours or 750 mg IV administered by slow infusion over 90 minutes every 24 hours. |
| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| Cellulitis | Infections and infestations | MedDRA (Unspecified) | Systematic Assessment |
| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| Tinea pedis | Infections and infestations | MedDRA (Unspecified) | Systematic Assessment |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Charlene A. Tucker, MS Executive Director, Medical Writing and Document Management | Innocoll | 484-406-5211 | ctucker@innocoll.com |
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| ID | Term |
|---|---|
| D017719 | Diabetic Foot |
| D003920 | Diabetes Mellitus |
| D014456 | Ulcer |
| D007239 | Infections |
| ID | Term |
|---|---|
| D003925 | Diabetic Angiopathies |
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |
| D016523 | Foot Ulcer |
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| ID | Term |
|---|---|
| D064704 | Levofloxacin |
| D015242 | Ofloxacin |
| ID | Term |
|---|---|
| D024841 | Fluoroquinolones |
| D042462 | 4-Quinolones |
| D015363 | Quinolones |
| D011804 | Quinolines |
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|
| Levofloxacin only | Drug | levofloxacin, 750 mg tablet po every 24 hours or 750 mg IV administered by slow infusion over 90 minutes every 24 hours |
|
|
clinical cure is defined as having a positive clinical response and with pathogen eradication |
| Day 3, 10, 14, 21, 28 & 42 |
| Number of Participants With Pathogen Eradication by Visit | Day 3, 7, 10, 14, 21 & 28 |
| Change From Baseline in Total Wound Surface Area Measured in cm^2 | Wound Surface Area was measured in cm² Actual Values Total wound surface area was compared across treatments using 2-sample t-tests. Wound tracings were obtained at study visits by trained study personnel who were blinded to the patient data and regimen. A centralized imaging facility provided both wound perimeter and area measurements. | Day 3, 7, 10, 14, 21, 28 & 42 |
| Time to Clinical Cure | clinical cure is defined as having a positive clinical response and with pathogen eradication | Days 1 through 49 |
| Visual Analog Scale (VAS) for Pain Assessment | Measured on a Visual Analog Pain Scale (VAS) with the lowest possible value of 0 and highest 100 (0 - 100) at each time point. A lower score is better which means the patient experience lower pain. The score is calculated using the number of hours * the VAS score. This represents the AUC (Area Under the Curve) of the pain intensities when calculated with the trapezoidal rule. For each measure outcome - the minimum score is "0" and the maximum score is 100* the number of hours in that period. | Day 3, 7, 10, 14, 21, 28 & 42 |
| Lipsky Wound Score | The Lipsky wound scoring scale consists of scoring categories for purulent drainage, non-purulent drainage, erythema, induration, tenderness, pain, local warmth and wound measurements. This wound scoring system allows us to take the size and depth of the wound into consideration as well as all signs and symptoms of inflammation and infection. A quantitative score that assess wounds both at baseline and during therapy to compare wound scores over time. The higher the score the worse the inflammation and/or infection is. The Lowest score possible is "3" and the highest score possible is "64". | Days 3, 7, 10, 14, 21, 28, 42 |
| Lost to Follow-up |
|
| protocol noncompliance after randomized |
|
| BG001 | Levofloxacin | Levofloxacin, 750 mg po or IV every 24 hours or, if ulcer culture results show resistance to levofloxacin, alternative antimicrobial therapy as determined by susceptibility testing Levofloxacin only: levofloxacin, 750 mg tablet po every 24 hours or 750 mg IV administered by slow infusion over 90 minutes every 24 hours |
| BG002 | Total | Total of all reporting groups |
| years |
|
| Sex: Female, Male | Count of Participants | Participants |
|
| Region of Enrollment | Count of Participants | Participants |
|
| OG001 |
| Levofloxacin |
Levofloxacin, 750 mg po or IV every 24 hours or, if ulcer culture results show resistance to levofloxacin, alternative antimicrobial therapy as determined by susceptibility testing Levofloxacin only: levofloxacin, 750 mg tablet po every 24 hours or 750 mg IV administered by slow infusion over 90 minutes every 24 hours |
|
|
| Secondary | Number of Participants With a Positive Clinical Response at Each Time Point | Number of patients with positive clinical response, defined as those with a clinical outcome of "clinical cure" or "clinical improvement" in each treatment group at/by each time point | Posted | Count of Participants | Participants | Day 3, 7, 10,14, 21, 28 and 42 |
|
|
|
| Secondary | Number of Participants With a Clinical Cure at Each Visit Except Visit 3 (Day 7) | clinical cure is defined as having a positive clinical response and with pathogen eradication | mITT | Posted | Count of Participants | Participants | Day 3, 10, 14, 21, 28 & 42 |
|
|
|
| Secondary | Number of Participants With Pathogen Eradication by Visit | mITT | Posted | Count of Participants | Participants | Day 3, 7, 10, 14, 21 & 28 |
|
|
|
| Secondary | Change From Baseline in Total Wound Surface Area Measured in cm^2 | Wound Surface Area was measured in cm² Actual Values Total wound surface area was compared across treatments using 2-sample t-tests. Wound tracings were obtained at study visits by trained study personnel who were blinded to the patient data and regimen. A centralized imaging facility provided both wound perimeter and area measurements. | mITT | Posted | Mean | Standard Deviation | cm^2 | Day 3, 7, 10, 14, 21, 28 & 42 |
|
|
|
| Secondary | Time to Clinical Cure | clinical cure is defined as having a positive clinical response and with pathogen eradication | mITT | Posted | Mean | 95% Confidence Interval | Days | Days 1 through 49 |
|
|
|
| Secondary | Visual Analog Scale (VAS) for Pain Assessment | Measured on a Visual Analog Pain Scale (VAS) with the lowest possible value of 0 and highest 100 (0 - 100) at each time point. A lower score is better which means the patient experience lower pain. The score is calculated using the number of hours * the VAS score. This represents the AUC (Area Under the Curve) of the pain intensities when calculated with the trapezoidal rule. For each measure outcome - the minimum score is "0" and the maximum score is 100* the number of hours in that period. | Posted | Mean | Standard Deviation | score on a scale*days | Day 3, 7, 10, 14, 21, 28 & 42 |
|
|
|
| Secondary | Lipsky Wound Score | The Lipsky wound scoring scale consists of scoring categories for purulent drainage, non-purulent drainage, erythema, induration, tenderness, pain, local warmth and wound measurements. This wound scoring system allows us to take the size and depth of the wound into consideration as well as all signs and symptoms of inflammation and infection. A quantitative score that assess wounds both at baseline and during therapy to compare wound scores over time. The higher the score the worse the inflammation and/or infection is. The Lowest score possible is "3" and the highest score possible is "64". | Posted | Mean | Standard Deviation | score on a scale | Days 3, 7, 10, 14, 21, 28, 42 |
|
|
|
| 0 |
| 38 |
| 5 |
| 38 |
| 4 |
| 38 |
| EG001 | Levofloxacin | Levofloxacin, 750 mg po or IV every 24 hours or, if ulcer culture results show resistance to levofloxacin, alternative antimicrobial therapy as determined by susceptibility testing Levofloxacin only: levofloxacin, 750 mg tablet po every 24 hours or 750 mg IV administered by slow infusion over 90 minutes every 24 hours | 0 | 18 | 1 | 18 | 1 | 18 |
| Infected skin ulcer | Infections and infestations | MedDRA (Unspecified) | Systematic Assessment |
|
| Tendon rupture | Injury, poisoning and procedural complications | MedDRA (Unspecified) | Systematic Assessment |
|
| Hypoglycaemia | Metabolism and nutrition disorders | MedDRA (Unspecified) | Systematic Assessment |
|
| Renal failure | Renal and urinary disorders | MedDRA (Unspecified) | Systematic Assessment |
|
| Wound haemorrhage | Vascular disorders | MedDRA (Unspecified) | Systematic Assessment |
|
| Blood creatinine increased | Investigations | MedDRA (Unspecified) | Systematic Assessment |
|
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| D007871 |
| Leg Ulcer |
| D012883 | Skin Ulcer |
| D012871 | Skin Diseases |
| D017437 | Skin and Connective Tissue Diseases |
| D048909 | Diabetes Complications |
| D004700 | Endocrine System Diseases |
| D003929 | Diabetic Neuropathies |
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D006574 |
| Heterocyclic Compounds, 2-Ring |
| D000072471 | Heterocyclic Compounds, Fused-Ring |
| D006571 | Heterocyclic Compounds |
| Visit 4 Day 10 |
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| Visit 5 Day 14 |
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| Visit 6 Day 21 |
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| Visit 7 Day 28 |
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| Final Study Visit Day 42 |
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| Visit 5 Day 14 |
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| Visit 6 Day 21 |
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| Visit 7 Day 28 |
|
| Final Visit Day 42 |
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| Visit 4 Day 10 |
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| Visit 5 Day 14 |
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| Visit 6 Day 21 |
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| Visit 7 Day 28 |
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| Visit 3 Day 7 |
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| Visit 4 Day 10 |
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| Visit 5 Day 14 |
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| Visit 6 Day 21 |
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| Visit 7 Day 28 |
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| Final Study Visit Day 42 |
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| Visit 3 Day 7 |
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| Visit 4 Day 10 |
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| Visit 5 Day 14 |
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| Visit 6 Day 21 |
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| Visit 7 Day 28 |
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| Final Study Visit Day42 |
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| Visit 3 Day 7 |
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| Visit 4 Day 10 |
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| Visit 5 Day 14 |
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| Visit 6 Day 21 |
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| Visit 7 Day 28 |
|
| Final Study Visit Day 42 |
|