- ICH GCP
- USA klinikai vizsgálatok nyilvántartása
- Klinikai vizsgálat NCT07576322
Short-Term Safety and Performance of Two Wound Dressings Evaluation (POLTX_Fiber)
A Post-Market Clinical Follow-Up Study to Evaluate Short-Term Safety and Performance of POLTX_Fiber Compared With Suprasorb Liquacel Pro in Chronic Wounds
Chronic wounds, including venous leg ulcers, diabetic foot ulcers, and pressure ulcers, are defined as wounds that fail to heal within 4-8 weeks despite appropriate care. They represent a significant health burden due to prolonged healing, risk of infection, recurrence, and impact on quality of life and healthcare costs. Their development is multifactorial and often linked to vascular impairments, which reduce oxygen and nutrient supply. This leads to impaired tissue repair, persistent inflammation, and increased susceptibility to infection.
Standard treatment includes wound debridement, infection control, maintaining a moist environment, and managing pain and exudate. POLTX_Fiber is an absorbent gelling fiber dressing designed to improve moisture balance, manage exudate, and reduce bacterial load, with established safety and CE marking.
A post-market clinical follow-up study will compare POLTX_Fiber with Suprasorb® Liquacel Pro over a 30-day period in an outpatient setting. The study evaluates wound healing, infection status, usability, pain, and patient satisfaction. It is conducted in accordance with EU and Swiss regulations, ensures qualified investigators, and considers sex and gender differences in the analysis.
A tanulmány áttekintése
Állapot
Körülmények
Beavatkozás / kezelés
Részletes leírás
Chronic wounds, including venous leg ulcers, diabetic foot ulcers, and pressure ulcers, represent a growing healthcare burden, associated with delayed healing, high recurrence rates, and reduced quality of life. Their pathophysiology is multifactorial, involving impaired perfusion, dysregulated inflammation, and bacterial colonization, all of which contribute to prolonged healing.
Effective wound management requires control of exudate, maintenance of a moist wound environment, and management of microbial burden. Absorbent gelling fiber dressings are commonly used for this purpose; however, comparative clinical evidence between available products remains limited.
POLTX_Fiber is a CE-marked absorbent gelling fiber dressing intended to support exudate management and wound healing. Additional clinical data are needed to further evaluate its performance under routine clinical conditions, in line with post-market clinical follow-up (PMCF) requirements under Regulation (EU) 2017/745.
This study aims to evaluate the clinical performance and safety of POLTX_Fiber in patients with chronic wounds in an outpatient setting, compared with a standard gelling fiber dressing. The primary objective is to assess changes in wound surface area over a 30-day treatment period. Secondary objectives include evaluation of wound condition, patient outcomes, and device usability.
This is a multicenter, non-randomized, controlled, open-label PMCF study conducted in outpatient care. Eligible patients will receive either POLTX_Fiber or a comparator dressing as part of routine clinical practice.
Tanulmány típusa
Beiratkozás (Becsült)
Fázis
- Nem alkalmazható
Kapcsolatok és helyek
Tanulmányi kapcsolat
- Név: Sebastian Probst, Prof. Dr.
- Telefonszám: 41 22-558-6563
- E-mail: sebastian.probst@hesge.ch
Tanulmányozza a kapcsolattartók biztonsági mentését
- Név: André Frei, MSc
- Telefonszám: 41 22-558-6050
- E-mail: andre.frei@hesge.ch
Tanulmányi helyek
-
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Canton of Geneva
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Geneva, Canton of Geneva, Svájc, 1205
- Geneva University Hospitals
-
Kapcsolatba lépni:
- Damien Pastor, MD
- Telefonszám: 41223723311
- E-mail: damien.pastor@hug.ch
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Canton of Vaud
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Lausanne, Canton of Vaud, Svájc, 1002
- Lausanne University Hospital
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Kapcsolatba lépni:
- Lucie charbonneau, MSc, RN
- Telefonszám: 41213141111
- E-mail: lucie.charbonneau@chuv.ch
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Yverdon-les-Bains, Canton of Vaud, Svájc, 1400
- Instituions Hospital Du Nord Vaudois
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Kapcsolatba lépni:
- Carole Guex, RN, DAS in Wound Care
- Telefonszám: 412442424444
- E-mail: carole.guex@hesge.ch
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Részvételi kritériumok
Jogosultsági kritériumok
Tanulmányozható életkorok
- Felnőtt
- Idősebb felnőtt
Egészséges önkénteseket fogad
Leírás
Inclusion Criteria:
Age ≥ 18 years Chronic wound of 4 weeks to 2 years in duration Moderate to highly exuding wound (clinician-assessed) Wound area 2-50 cm² after debridement Able and willing to provide informed consent and comply with study procedures
Exclusion Criteria:
Known hypersensitivity to study or comparator dressing components Clinically infected wound requiring systemic antibiotics at baseline Necrotic wound (>25% necrotic tissue) or malignant wound Severe arterial insufficiency (ABI < 0.5) Pregnant or breastfeeding Severe comorbid condition likely to interfere with wound healing or safety evaluation (e.g., end-stage renal disease, active cancer on chemotherapy, immunosuppression) Participation in another interventional study within 30 days Use of investigational wound products within 30 days Cognitive or psychiatric condition limiting consent or compliance Unable to attend follow-up visits or likely to relocate during the study period Any condition that, in the investigator's judgment, may compromise safety or study integrity
Tanulási terv
Hogyan készül a tanulmány?
Tervezési részletek
- Elsődleges cél: Kezelés
- Kiosztás: Nem véletlenszerű
- Beavatkozó modell: Párhuzamos hozzárendelés
- Maszkolás: Nincs (Open Label)
Fegyverek és beavatkozások
Résztvevő csoport / kar |
Beavatkozás / kezelés |
|---|---|
|
Kísérleti: POLTX_Fiber arm
POLTX_Fiber, an absorbent gelling fiber dressing for moderate-high exudate chronic wounds
|
POLTX_Fiber, an absorbent gelling fiber dressing for moderate-high exudate chronic wounds, applied strictly per IFU and local protocol. Application workflow (per visit). It will proceed as follows:
|
|
Nincs beavatkozás: Suprasorb® Liquacel Pro, CE-marked gelling fiber dressing
Suprasorb® Liquacel Pro arm
|
Mit mér a tanulmány?
Elsődleges eredményintézkedések
Eredménymérő |
Intézkedés leírása |
Időkeret |
|---|---|---|
|
Photographic evaluation
Időkeret: 12 Weeks
|
Standardized photographs will be obtained using ImitoWound® after dressing removal, wound debridement (if applicable) and wound cleansing at a frequency of no more than once per week, even if multiple dressing changes take place during the same week. ImitoWound® will be used in an iPad as instructed in supplier's wound imaging and measurement guidelines. The camera of the iPad will be maintained 20 to 30 cm away from and parallel to the wound. A calibration marker (quick response [QR] code) will be positioned next to and in the same plane of the wound, and a photograph will be taken after recognition of the QR code by ImitoWound®, providing automatic wound measurements. This marker will allow standardised image captures maintaining fixed distance, lighting, and calibration. Study nurses will receive concise training and a working instruction with step-by-step procedure on how to use ImitoWound®. Images will be anonymized and centrally reviewed by two blinded assessors; discrepancies > |
12 Weeks
|
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Change in wound area
Időkeret: 12 weeks
|
Wound area (length, width, depth, area) will be recorded using ImitoWound®. Percent wound area reduction (PWAR) from baseline to EoT (Day 30) or follow-up (Week 8 and Week 12) will be computed automatically using the following formula: PWAR = [(Wound area at baseline - Wound area at follow-up) / Wound area at baseline] × 100. Higher percentages indicate faster healing. Where digital imaging is unavailable, manual planimetry measurements may be used and documented. |
12 weeks
|
Másodlagos eredményintézkedések
Eredménymérő |
Intézkedés leírása |
Időkeret |
|---|---|---|
|
Wound healing progression
Időkeret: 12 weeks
|
Wound healing progression over 12 weeks will be measured from pictures of the wound taken with ImitoWound
|
12 weeks
|
|
Change in wound tissue composition
Időkeret: 12 weeks
|
Change from baseline in wound tissue composition, as assessed using digital wound assessment technology.
Tissue composition (e.g.
granulation, slough, necrosis) will be determined automatically through ImitoWound® image analysis at baseline and when wound images are captured during wound care.
Results will be expressed as a percentage of total wound area (sum = 100%), enabling consistent quantification of healing dynamics over time.
|
12 weeks
|
|
Local Infection Assessment
Időkeret: 12 weeks
|
Local infection will be evaluated at each visit using the Therapeutic Index for Local Infection (TILI), a validated clinical tool for early infection detection (erythema, peri-wound oedema, malodour, exudate change, pain). A TILI score ≥ 5 indicates clinically relevant infection requiring medical evaluation or treatment adjustment. |
12 weeks
|
|
Global Tolerability Assessment
Időkeret: 12 weeks
|
Usability of POLTX_Fiber will be assessed using a short Investigator Usability and Handling Questionnaire based on ISO 14155:2020 and FDA Human Factors guidance (2016).
Parameters include ease of application/removal, dressing integrity, handling characteristics, and overall satisfaction.
Rated on a 5-point Likert scale (Total score ranges from 5 to 22).
|
12 weeks
|
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Pain (Visual Analogue Scale (VAS)
Időkeret: 12 weeks
|
Pain will be recorded at each dressing change using a 10-cm VAS (0 = no pain, 10 = worst pain imaginable).
Pain on application, during wear, and on removal will be documented.
|
12 weeks
|
|
Exudate management
Időkeret: 12 weeks
|
Assessment of characteristics of wound exudate In addition to color and odor of wound exudate will be recorded using simplified Keast (2022) descriptors:
|
12 weeks
|
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Frequency of dressing changes
Időkeret: 12 weeks
|
The total number of dressing changes (scheduled and unscheduled) during the thirty-day treatment will be recorded in the eCRF. Each entry will include:
|
12 weeks
|
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Global Tolerability Assessment by participants
Időkeret: 12 weeks
|
Patients will independently assess tolerability on a 3-point scale (Chandanwale 2014): 0 = No issues, 1 = Moderate, 2 = Poor.
|
12 weeks
|
Egyéb eredményintézkedések
Eredménymérő |
Intézkedés leírása |
Időkeret |
|---|---|---|
|
Sociodemographic and diagnostic data
Időkeret: Baseline
|
At Screening, investigators will collect the following information and record it in the electronic Case Report Form (eCRF):
|
Baseline
|
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Wound etiology
Időkeret: Baseline
|
At Baseline, wound etiology (e.g., venous leg ulcer, diabetic foot ulcer, pressure ulcer) will be documented
|
Baseline
|
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Wound anatonical location
Időkeret: Baseline
|
Wound anatomical location will be documented at baseline
|
Baseline
|
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Wound diagnostic classification
Időkeret: Baseline
|
Wound diagnostic classification (if applicable, e.g., Wagner grade for diabetic ulcers or EPUAP stage for pressure ulcers).
|
Baseline
|
Együttműködők és nyomozók
Szponzor
Tanulmányi rekorddátumok
Tanulmány főbb dátumok
Tanulmány kezdete (Becsült)
Elsődleges befejezés (Becsült)
A tanulmány befejezése (Becsült)
Tanulmányi regisztráció dátumai
Először benyújtva
Először nyújtották be, amely megfelel a minőségbiztosítási kritériumoknak
Első közzététel (Tényleges)
Tanulmányi rekordok frissítései
Utolsó frissítés közzétéve (Tényleges)
Az utolsó frissítés elküldve, amely megfelel a minőségbiztosítási kritériumoknak
Utolsó ellenőrzés
Több információ
A tanulmányhoz kapcsolódó kifejezések
Kulcsszavak
Egyéb vizsgálati azonosító számok
- POLTX_Fiber
- Polaroid Therapeutics (Egyéb azonosító: Polaroid Therapeutics)
Terv az egyéni résztvevői adatokhoz (IPD)
Tervezi megosztani az egyéni résztvevői adatokat (IPD)?
IPD terv leírása
IPD megosztási időkeret
IPD-megosztási hozzáférési feltételek
Az IPD megosztását támogató információ típusa
- ANALYTIC_CODE
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