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- Klinische proef NCT01924806
A Pilot Study of the WoundWand™ Debridement Device on Infection Prevention (WoundWand)
Studie Overzicht
Toestand
Conditie
Interventie / Behandeling
Gedetailleerde beschrijving
Studietype
Inschrijving (Werkelijk)
Fase
- Niet toepasbaar
Contacten en locaties
Studie Locaties
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Montpellier, Frankrijk
- Hôpital Lapeyronie
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Manchester, Verenigd Koninkrijk, M13 0JE
- Manchester Diabetes Centre
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
Inclusion Criteria
Subjects who meet the following criteria may be included in the clinical investigation, if they present with ALL of the following:
- Subject is able to understand the evaluation and willing to consent and comply with all post-debridement visits and procedures
- Age 18 years and older. Subjects may be of either sex and of any race or skin type
Subjects fulfilling any one or all of the following criteria:
- chronic wound(s) below the level of the knee, defined by delayed healing or cellular senescence
- acute wound(s) as a result of a surgical procedure, laceration, abrasion or trauma
- diabetic foot ulcer(s)
- subjects with venous leg ulcers below the knee on the leg or foot with one or more documented failure of maximal medical therapy for their study wound >30 days such as compression bandages (low elasticity, elastic, multilayered, elastic and non elastic compression)
Subjects with the following lab results within 30 days of treatment:
- serum albumin level >20g/L
- clinically non significant results of liver function test (LFTs), serum glucose and complete blood count (CBC) with differential
- Subjects with a Braden Score ≥13-14 (Moderate Risk)
- Subjects with adequate arterial blood flow [Ankle-Brachial Index (ABI) >0.75]
Exclusion Criteria
Subjects will be excluded from the clinical investigation, if they present with ANY of the following:
- Subjects that have tunneling wounds
Subject presents with an active infection in the study wound, as defined by purulence and:
Fever and leukocytosis
OR any TWO of the following:
- Malodor, pain or tenderness, warmth, erythema, induration, swelling, lymphangitis
- Infected bone diagnosed by imaging modality (e.g., Magnetic Resonance Imaging (MRI) and/or radiographic images)
- Subjects whose study wound does not require debridement
- Cardiac pacemaker or other electronic implant(s)
- Subjects with irradiate, burn or ischaemic wounds or history of keloids
- Subjects with vasculitis, non-reconstructive peripheral vascular disease, pyoderma gangrenosum, renal failure or lymphoedema
- Subjects with uncontrolled bleeding disorder (PT/PTT) and coagulopathy (including those with hemophilia)
Subjects taking treatment with any of the following:
- Systemic corticosteroids
- Immunosuppressive agent(s)
- Chemotherapy or Radiation therapy
- Subjects deemed to require biologic dressing/ skin substitute
- Terminally ill subjects
- Subjects that have an immunodeficiency disorder that interferes with wound healing, including Acquired Immunodeficiency Syndrome (AIDS) or know to be infected with Human Immunodeficiency Virus (HIV)
- Subjects that have chronic skin conditions such as psoriasis, etc.
- Subjects that reside in a nursing home
- Subject is physically or mentally compromised (e.g., currently being treated for a psychiatric disorder, senile dementia, Alzheimer's disease, etc.) to the extent that the Investigator judges the subject to be unable or unlikely to remain compliant
- Subject is pregnant and/or intending to become pregnant during this clinical investigation period
- Subject has documented evidence of a history (e.g. liver testing) of drug/alcohol abuse within the 12 months prior to enrollment for clinical investigation entry
- Subject is excluded if they have received an investigational therapy or approved therapy for investigational use within 30 days of surgery
- Subject is excluded if planning to participate in another research study during the follow-up phase of this study or 84 days after study completion
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
- Toewijzing: Gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Enkel
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
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Actieve vergelijker: WoundWand™ Debridement Device
Group I - Coblator IQTM Controller plus WoundWandTM Debridement Device.
Electrical energy that removes necrotic, ischemic, and/or infected tissue within a wound.
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Group I - Electrical energy that removes necrotic, ischemic, and/or infected tissue within a wound
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Actieve vergelijker: Standard of Care sharp debridement
Group II - Standard of Care (SoC) surgical (sharp) debridement.
Sharp instruments that remove necrotic, ischemic, and/or infected tissue within a wound.
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Group II - Sharp instruments that remove necrotic, ischemic, and/or infected tissue within a wound
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
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Bacterial Diversity and Number of Bacteria Present in the Wound
Tijdsspanne: Day 1 (immediately pre- and post-debridement) and 4 weeks post-debridement
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Primary endpoint was to determine bacterial diversity and number of bacteria present in the study wound at 4 weeks post- debridement using either WoundWand Debridement Device or Standard of Care. Punch biopsies were performed per standard practice to quantify the type and amount of bacteria present in wounds debrided with either Standard of Care Sharp Debridement or WoundWand Debridement Device. Debridement of contaminated tissue is essential to prevent wound infection, promote healing, and provide a neat wound edge for the prevention of scaring. A 3-4 mm punch biopsy for quantitative tissue culture (i.e. bacterial content) will be collected from the study wound site immediately pre- and post-debridement and at Week 4. The punch biopsy will be performed per standard practice and if required, utilizing the appropriate analgesia [e.g. general, local (e.g. 1% lidocaine with epinephrine)]. Quantitative tissue culture will be completed according to the laboratory's standard procedures |
Day 1 (immediately pre- and post-debridement) and 4 weeks post-debridement
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Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
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Photograph Area Measurements to Determine Reduction in Wound Size
Tijdsspanne: Visit 2 through Visit 8 (12 weeks)
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a) Reduction in wound size for up to 12 weeks post-debridement Photographs of the wound site were taken to determine the reduction in wound size and to assess healing progression of the study wound.
Standardization of images was ensured by the Eykona® Wound Measurement System that uses small sterile 'targets' placed on the study wound to set the focus and position of the camera thus eliminating inconsistency between images acquisition time points.
The photographs are stored on a USB (Universal Serial Bus) flash drive which will be archived with the study files.
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Visit 2 through Visit 8 (12 weeks)
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Wound Status Using Bates-Jensen Wound Assessment - Total Score
Tijdsspanne: Screening through Visit 8 (12 weeks)
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The Bates-Jensen Wound Assessment Tool is a 13-item questionnaire (size, depth, edges, undermining, necrotic tissue type, exudate type, exudate amount, skin color surrounding wound, peripheral tissue edema, peripheral tissue induration, granulation tissue, epithelialization) used to assess wound status. Total score is determined by adding together the sub-scores from each of the 13 items, with a higher score indicating a more severe wound status. Each of the 13 item scores ranged from 1 to 5 possible points. Minimum score of 13 indicated the best outcome, maximum score of 65 indicated the worst outcome. |
Screening through Visit 8 (12 weeks)
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Braden Scale for Predicting Pressure Sore Risk - Total Score
Tijdsspanne: Screening through Visit 8 (12 weeks)
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The Braden Scale, performed by the Investigator (or designee), is a 6-item questionnaire (sensory perception, moisture, activity, mobility, nutrition, and friction &shear) used to assess the subject's level of risk for development of pressure ulcers. Total score is determined by adding together the sub-scores from each of the 6 items, with a lower score indicating a higher risk for developing pressure ulcers. Braden Scale thresholds: 19-23 = not at risk 15-18 = preventative interventions 13-14 = moderate risk 10-12 = high risk 6-9 = very high risk Sub-score ranges: Sensory perception: 1 - 4 Moisture: 1 - 4 Activity: 1 - 4 Mobility: 1 - 4 Nutrition: 1 - 4 Friction & Shear: 1 - 3 Total score minimum of 6 indicated a very high risk outcome, maximum score of 23 indicated the subject not at risk. |
Screening through Visit 8 (12 weeks)
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Medewerkers en onderzoekers
Sponsor
Onderzoekers
- Hoofdonderzoeker: Luc Teot, M.D. Phd., Hôpital Lapeyronie
Studie record data
Bestudeer belangrijke data
Studie start (Werkelijk)
Primaire voltooiing (Werkelijk)
Studie voltooiing (Werkelijk)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Schatting)
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
- huid
- preventie
- infectie
- wond genezen
- chronische wond
- diabetische voetzweer
- wond
- debridement
- cellulaire veroudering
- post-debridement
- wound tissue
- wond beheer
- WoundWand
- wound size reduction
- wound bed debridement
- WoundWand Debridement Device
- delayed healing
- acute wound
- veneuze beenulcera
- radiofrequency debridement
- necrotisch weefsel
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- WW-2013-02
Deze informatie is zonder wijzigingen rechtstreeks van de website clinicaltrials.gov gehaald. Als u verzoeken heeft om uw onderzoeksgegevens te wijzigen, te verwijderen of bij te werken, neem dan contact op met register@clinicaltrials.gov. Zodra er een wijziging wordt doorgevoerd op clinicaltrials.gov, wordt deze ook automatisch bijgewerkt op onze website .
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