- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05303805
Topical Sevoflurane for Treatment of Chronic Leg Ulcers
Analgesic and Healing Effect of Topical Sevoflurane for Chronic Venous Ulcers
Patients with painful non-healing leg ulcer will be enrolled in the clinical single-blinded randomized study. The active treatment group will have sevoflurane applied at approximately 1 ml/cm2 at the start of wound treatment, the control group will only have a standard rinse solution with Cyteal TM (Pierre Fabre Medicament, France). Further treatment will then be carried out in the standard manner. The duration of the study will be 5 days; if the defect heals earlier, it will be terminated early.
Exclusion criteria: allergy to sevoflurane, inability to understand the questionnaire
Parameters to be monitored will be pain intensity, microbial colonization, appearance and size of the defect
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
A prospective single-blinded randomized study will be conducted in patients of the Dermatovenereology Clinic of the 3rd Medical Faculty of Charles University (3LF UK) and the University Hospital Kralovske Vinohrady (FNKV) with painful non-healing tibial ulcers. Pain intensity on a numerical rating scale (NRS 0-10) must be NRS>4. The envelope method will be used for randomization. To blind patients, therapy will be performed by separating patients with a drape from the treatment area of the body. As sevoflurane has a typical odor, it will only be used in the control group to soak up absorbent material held under the distal pole of the wound without skin contact. In the active treatment group, sevoflurane will be applied at the beginning of the wound treatment at approximately 1 ml/cm2 of the ulcer surface. The standard therapy used in the control group will use only Cyteal TM lavage solution, which contains hexamidine diisetione 100 mg in 100 ml, chlorhexidine digluconate 20% solution 100 mg and chlorocresol 300 mg.
The primary aim of the study will be pain relief after sevoflurane therapy. Pain intensity will be measured by NRS at 1-hour intervals (excluding sleep); decrease of 2 point for at least 4 hours will be considered significant. Secondary aim will be healing of ulcers. The effect will be controlled by elimination of pathologic microbial colonization, cleaning of the base of the wound and decreasing the size of the ulcer. Microbial colonization will be measured by microbial swab culture before application, after the 1st application before dressing and on the 5th day after application), the appearance of the defect base will be assessed by the appearance of the surface, the size of the defect will be measured in cm2.
Study Type
Enrollment (Estimated)
Phase
- Phase 4
Contacts and Locations
Study Contact
- Name: Jiri Malek, M.D.
- Phone Number: +4202671622461
- Email: malekj@fnkv.cz
Study Contact Backup
- Name: Jiri Malek, M.D.
- Phone Number: +4202671622272461
- Email: malekj@fnkv.cz
Study Locations
-
-
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Praha, Czechia, 100 00
- Recruiting
- Faculty Hospital Kralovske Vinohrady
-
Contact:
- Jiri Malek, M.D.
-
Sub-Investigator:
- Spyridon Gkalpakiotis, M.D.
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Sub-Investigator:
- Alice Kurzova, M.D.
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Patients with painful (pain intensity on the numerical scale NRS 0-10 is NRS>4) non- healing tibial venous ulcers
Exclusion Criteria:
- Allergy to sevoflurane
- Inability to understand the pain-intensity questionnaire
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Topical sevoflurane
The active treatment group will have sevoflurane applied at approximately 1 ml/cm2 at the start of wound treatment,
|
Topical application of 1 mL sevoflurane per 1 cm2 ulcer area once or two times daily.
Other Names:
|
Active Comparator: Cyteal
the control group will only have a standard rinse solution with Cyteal PIERRE FABRE MEDICAMENT, France (100 ml of skin fluid contains hexamidine diisetione 100 mg, chlorohexidine digluconate (solutio 20 %) 100 mg and chlorocresol 300 mg), with sevoflurane used to soak the absorbent material held under the distal pole of the wound.
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Rinsing and cleaning of ulcer.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Pain intensity
Time Frame: Continuously for 5 days
|
Pain intensity measured by numeric rating scale (NRS) from 0 - no pain (the best result) to 10 - the worst possible pain using a standard questionnaire
|
Continuously for 5 days
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Microbial colonization
Time Frame: Before application of treatment, after the 1st application before tibial coverage and on the 5th day after application
|
Microbial smear for culture
|
Before application of treatment, after the 1st application before tibial coverage and on the 5th day after application
|
Size of skin defect
Time Frame: 5 days
|
Measured in cm2
|
5 days
|
Appearance of the ulcer bed
Time Frame: 5 days
|
Epithelial tissue, granulation tissue, slough, necrotic tissue
|
5 days
|
Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Jiří Málek, M.D., 3rd Medical Faculty of Charles University
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- Sevoflurane in ulcers
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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