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| Name | Class |
|---|---|
| General Hospital of Novo mesto | OTHER |
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Burns are among the most common types of trauma worldwide, ranking fourth after traffic accidents, falls, and violence, and account for an estimated 265,000 deaths annually (WHO). Most burn injuries result from heat exposure, though other causes include friction, chemicals, and electricity. Effective burn treatment aims to promote wound healing by supporting tissue regeneration and maintaining optimal conditions such as moisture, oxygenation, and low bacterial load.
In Slovenia and across Europe, silver-based dressings are commonly used for burn care. While they are known to support wound healing, their effectiveness in reducing scar formation remains unclear. Chitosan-based hydrogels, by contrast, offer promising benefits due to their natural biocompatibility, antibacterial action, and support for tissue repair, though clinical data are still limited.
This study aims to compare the effectiveness of chitosan-based and silver-based dressings in burn wound healing, focusing on healing time, scar formation, cost-efficiency, and patient experience. Scar outcomes will be assessed using the validated POSAS (Patient and Observer Scar Assessment Scale).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Chitosan group | Active Comparator | Chitosan group - using chitosan-based dressing for wound and scar treatment |
|
| Ag group | Active Comparator | Ag group - using silver-based dressing, followed by a cosmetic lotion |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Chitosan-based dressing | Device | Chitosan-based dressing for wound and scar treatment will be used (e.g. ChitoCare® medical Wound Healing Gel) |
|
| Measure | Description | Time Frame |
|---|---|---|
| Wound Healing Time | To evaluate and compare the wound healing time, measured as the number of days required for complete healing of the study wound, between the treatment groups. | Up to 21 days |
| Measure | Description | Time Frame |
|---|---|---|
| Wound Healing Rate | To evaluate and compare the wound healing rate, calculated as the ratio of the healed wound area to the initial wound area, at 7, 14, and 21 days of treatment | 7, 14, and 21 days |
| Complete Wound Healing Rate |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Miloš Potkonjak, MD, surgeon | Contact | +386 7 391 61 00 | milos.potkonjak@sb-nm.si |
| Name | Affiliation | Role |
|---|---|---|
| Miloš Potkonjak, MD, surgeon | General Hospital of Novo mesto | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| General Hospital Novo mesto | Recruiting | Novo Mesto | 8000 | Slovenia |
As an Institution operating under the jurisdiction of the European Union, we are subject to the General Data Protection Regulation (GDPR), which imposes strict requirements on the processing and sharing of personal data, including health-related information. IPD from clinical trials is considered sensitive personal data under GDPR.
Even when data is anonymized or pseudonymized, sharing IPD with third parties-especially outside the EU-requires careful assessment of data protection safeguards, appropriate legal basis, and in some cases, additional participant consent. Unless all conditions for lawful data transfer and processing are met, including compliance with GDPR Articles 44-50 concerning international data transfers, we are not permitted to share IPD.
For this reason, and in order to ensure full compliance with EU data protection regulations and to protect the privacy and rights of our study participants, we are currently unable to share individual-level clinical trial data.
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| Silver-based dressing | Device | Silver-based dressing (e.g. AQUACEL® Ag), followed by a cosmetic lotion (e.g.: Bepanthol® DERMA) will be used |
|
To assess and compare the percentage of patients achieving complete wound healing within 21 days of treatment
| 21 days |
| Scar Outcomes | To evaluate and compare scar outcomes of treated burn wounds using a validated scar assessment tool Patient and Observer Scar Assessment Scale (POSAS) at 1 month, 3 months, and 6 months after injury. POSAS measures subjective assessment on a 1-10 scale from normal skin to worst scar imaginable across 6 metrics (surface area, vascularity, pigmentation, thickness, pliability and relief). The lowest sum score, reflecting normal skin, is 6 and the highest score, reflecting the worst imaginable scar, is 60. | 1, 3, and 6 months |
| Cost-effectiveness | To assess the cost-effectiveness of the treatment (e.g.: number of dressing changes required, number of hospital visits, costs of additional therapies related to wound healing (e.g., pain relievers)), at 21 days of treatment. | 21 days |
| Professional Experience | Medical staff will complete a survey consisting of 4 items evaluating their experience with the selected therapy. The survey includes questions addressing the complexity of the wound care therapy-such as its application, removal, and time requirements-as well as overall satisfaction. Responses will be collected using a combination of Yes/No/Not sure options and a Visual Analogue Scale (VAS), where 0 indicates "Not at all" and 5 indicates "Very much." | 0, 7, 14, and 21 days |
| Patient Experience | Patients will complete a survey consisting of 4 to 7 items evaluating their experience with the burn wound or scar treatment procedure. The survey includes questions related to patient satisfaction, which are a combination of Yes/No/Not sure responses and a visual analogue scale (VAS), where 0 represents "Not at all" and 5 represents "Very much." Additionally, questions addressing the patient's response to treatment use face scale items scored from 0 to 10, assessing symptoms such as pain, heat, itching, and irritation. A score of 0 corresponds to "Not at all," while a score of 10 indicates "Very much," with higher scores reflecting greater intensity of the respective symptom. | 0, 7, 14 and 21 days, and 1, 3, and 6 months |
| Adverse Events | To assess the proportion of patients who experience adverse events associated with the dressing, from the time of admission up to 21 days of treatment. | up to 21 days |
| Rate of Infection | To evaluate the rate of infection in burn wounds, defined as the number of infected wounds divided by the total number of burn wounds, assessed at each study visit up to 1 month of treatment. | up to 1 month |