Rosacea Clinical Trial
Official title:
A Split-face Study Assessing the Clinical Benefit, Tolerability and Subject Satisfaction of M89PB in Subjects With Rosacea Associated With Erythema and Sensitive Skin
Verified date | May 2021 |
Source | Institute of Skin and Product Evaluation, Italy |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The aim of the study is to assess the efficacy of the product M89 probiotic fractions in improving the symptoms of rosacea patients with sensitive skin after 30 days of treatment, in comparison with an area treated with the habitual skin care product. 20 women with sensitive skin (positive reaction to stinging test), suffering from persistent centrofacial erythema of rosacea with no more than 3 papules and pustules apply the product on half a face, twice a day, for 30 days. The subjects use their habitual skin care product on the other side of the face. The product efficacy is supported by significant improvements in the mean basal values of the following instrumental parameters: skin hydration (increase), trans-epidermal water loss (decrease), skin erythema (a* parameter decrease). The efficacy and the tolerability of the product is also showed by a visual clinical assessment of the face skin conditions and by stinging test. Digital images of the face of the subjects were also taken at each control time. Furthermore, the volunteers express their judgement on the efficacy and the pleasantness of the product by means of a self-assessment questionnaire.
Status | Active, not recruiting |
Enrollment | 20 |
Est. completion date | May 18, 2021 |
Est. primary completion date | May 18, 2021 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Female |
Age group | 20 Years to 60 Years |
Eligibility | Inclusion Criteria: - Caucasian subjects of female sex, 20-60 years old, phototype I-IV according to Fitzpatrick skin type classification and in good general health. - Subjects with sensitive skin (positive reaction to stinging test, score = 3). - Subjects suffering from persistent centrofacial erythema of rosacea with no more than 3 papules and pustules. - Subjects able to follow all study directions and willing to commit to all follow-up visits for the duration of the study. - Subjects who have completed the written informed consent process. - Subjects who avoid the exposure to UV radiation and the use of tanning beds for the duration of the study. Exclusion Criteria: - Pregnant or nursing females. - Subjects with Rosacea and more than 3 papules or pustules. - Subjects who are taking topical or systemic drugs that could affect the results of the test (immunosuppressants, anti-inflammatory agents, corticosteroids, etc.). - Subjects with a change in contraception. - Subjects showing systemic diseases or skin disorders (such as eczema, psoriasis, severe acne, etc.) that may affect the evaluation of the test articles or increase risk to the subject. - Subjects who have used treatments for rosacea (either topical and/or systemic) within a period of 30 days prior to admission in this study. - Subjects who have been involved in another clinical investigation with comparable purposes within a period of 30 days prior to admission in this study. |
Country | Name | City | State |
---|---|---|---|
Italy | ISPE srl | Milano | MI |
Lead Sponsor | Collaborator |
---|---|
Institute of Skin and Product Evaluation, Italy |
Italy,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | skin hydration (change of skin hydration from baseline is being assessed at 15 and 30 days) | Corneometer CM825
Corneometer CM 825 measures the skin hydration. The instrument is based on the physical principle of capacitance. The corneometric values increase with increasing hydration of the stratum corneum. The efficacy of the product in improving skin hydration is evidenced by an increase of the average corneometric values. |
baseline, 15 days and 30 days of treatment | |
Primary | Trans-epidermal water loss - TEWL (change of TEWL from baseline is being assessed at 15 and 30 days) | Tewameter TM 300 MDD 4
Tewameter TM 300 measures the trans-epidermal water loss (TEWL) on the base of Fick's diffusion formula. TEWL values reflects the skin barrier function. TEWL (Trans-epidermal Water Loss) expressed in g/h m2 increases with increasing impairment of skin barrier function. |
baseline, 15 days and 30 days of treatment | |
Primary | skin erythema - a* parameter (change of skin erythema from baseline is being assessed at 15 and 30 days) | Chromameter CR400
Chromameter is a portable dual channel, reflecting colorimeter with incorporated microcomputer, liquid crystals display and Xenon light source in the measuring head. The measuring head surface is 8 mm in diameter. The colour rating system is CIE system L*a*b*: In the present study only the values related to the a* parameter were taken into consideration as index of skin redness/erythema. a* value linearly increases with increasing of the intensity of the erythema. |
baseline, 15 days and 30 days of treatment | |
Primary | Stinging test (change of stinging test clinical scores from baseline is being assessed at 15 and 30 days) | A solution at 15% lactic acid was applied on the nasolabial folds of each subject. The volunteers rated the burning/stinging/itching/pain sensations perceived on each nasolabial fold after 2.5 and 5 minutes from the application, on the basis of the following scale:
0=no burning/stinging/itching/painful sensation; mild burning/stinging/itching/painful sensation; moderate burning/stinging/itching/painful sensation; severe burning/stinging/itching/painful sensation. |
baseline, 15 days and 30 days of treatment | |
Primary | Clinical evaluation (change of clinical scores from baseline is being assessed at 15 and 30 days) | A visual clinical evaluation of each side of the face was performed by the technician related to:
erythema desquamation number of papules and pustules (visual count) The subjects were asked to refer about skin tightness, skin dryness, burning, itching, stinging sensations perceived on each side of the face answering to the following questions: Skin tightness: Do you feel skin tightness? Skin dryness: Does your skin feel dry? Burning sensation: Do you suffer from burning sensation of your skin? Itching sensation: Do you suffer from itching sensation of your skin? Stinging sensation: Do you suffer from stinging/tingling sensation of your skin? The parameters erythema, desquamation, skin tightness, skin dryness, burning, itching and stinging were scored according to the following 0-10 scale: 0 1 2 3 4 5 6 7 8 9 10 Not at all Extremely |
baseline, 15 days and 30 days of treatment | |
Primary | Standardized Skin Surface Biopsy (SSSB) | The face of the volunteers was cleaned with ether to remove traces of sebum. Then a drop (about 0.05 ml) of cyanoacrylate glue was homogeneously applied to an area of 1 cm 2 at one end of a microscope slide. Then the slide (SSSB 1) was put against one cheek. The slide was left in place until the cyanoacrylate changed in consistency and then gently removed. A second SSSB (SSSB 2) was performed at the same site immediately after the first. The procedure was repeated on the other cheek in order to collect slides related to both the areas (treated with M89 and with the habitual skin care product). The SSSB 2 were analyzed with a microscope (x40) and the Demodex density (number of Demodex in 1 cm2) was determined for each slide. | 30 days of treatment | |
Primary | Digital Images (change is being assessed) | Digital images of the face of the subjects were also taken by means of Fotofinder Dermoscope Ver. 2.0. | baseline, 15 days and 30 days of treatment | |
Secondary | Satisfaction Questionnaire | The subjects expressed their opinion on the efficacy and the pleasantness of the product by filling in a questionnaire referred to the side of the face treated with M89 Probiotic Fractions. | 15 days and 30 days of treatment |
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