Incontinence-associated Dermatitis Clinical Trial
Official title:
Mitigating the Impact of Absorbent Products on Skin Occlusion: Changes to Skin Microbiome and Skin Parameters Due to Reduction of Skin Surface pH in Healthy Participants
The main aim of this exploratory research study is to investigate how exposure to a material with low pH affects the skin microbiome and skin parameters. This investigation involves an experimental setup in which application of test patches with lowered pH levels or control patches without lowered pH are used. The test patches are applied on healthy adult volunteers. About 20 subjects are planned for the study. The skin microbiome preservation and diversity will be addressed employing Molecular Sequencing and qPCR. In addition, skin pH, composition and hydration will be measured with various methods, e.g., AquaFlux, Moisture Meter, TEWL and Confocal Raman spectroscopy. The study will span three consecutive days in total. Each participant will be provided with four patches on each forearm: two patches will be applied to each dorsal forearm and two on each volar forearm. The first day will be for study inclusion and application of pathces. In day two the patches will be changed and on day three measurements for pH, TEWL, skin hydration, Raman and tape stripping will be conducted and sampling for Molecular Sequencing and qPCR measurements will be done. There is no formal hypothesis in the study but our idea is that utilizing patches with a lower pH could maintain the diversity and richness of the natural skin microbiome while retaining and even enhancing key skin barrier parameters. A descriptive analysis will be conducted for all measurements with approproate statistical tests on 5% level for varaibles. In addition to descriptive data analysis statistics, Clinical Microbiomics and Bio-Me Microbiome Profiling will employ various statistical methods, such as paired Mann-Whitney U tests. The Benjamini-Hochberg (BH) method to control the false discovery rate (FDR) will be employed.
Status | Not yet recruiting |
Enrollment | 20 |
Est. completion date | September 30, 2024 |
Est. primary completion date | May 30, 2024 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years to 80 Years |
Eligibility | Inclusion Criteria: 1. Signed Informed Consent Form 2. Male and female =18 and =80 years. 3. Willingness and ability to comply with study procedures, visit schedules, and requirements. 4. Intact skin on the forearms without any signs of irritation. 5. Agree not to shower or use cosmetic products on the arms the day before visit 1 and during the study period. 6. Agree not to engage in intense physical activity throughout the study period. Exclusion Criteria: 1. Have any known allergies or intolerances to one or several components of the absorbing incontinence/menstrual products. 2. Have any known allergies or intolerances to one or several ingredients in cosmetic products. 3. Have an ongoing skin irritation/infection on the forearms. 4. Have any skin conditions such as psoriasis and eczema. 5. Have any tattoos on the forearms. 6. Suffer from excessive sweating, hyperhidrosis. 7. Have immunodeficiency or any other condition that makes participation in the clinical investigation inappropriate, as judged by investigator. 8. Have an alcohol and/or drug dependency. 9. Have had active sunbathing on arms latest 2 weeks prior to study. 10. Have used tanning or bleaching products on arms at least 1 month before the study starts. 11. Have performed hair removal on the arms 1 month prior to the study. 12. Are pregnant or nursing. |
Country | Name | City | State |
---|---|---|---|
Sweden | Essity Study Site | Gothenburg |
Lead Sponsor | Collaborator |
---|---|
Essity Hygiene and Health AB |
Sweden,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Changes in skin microbiome as measured by molecular sequencing | Molecular sequencing is used to provide taxonomic insight and overview of microbial diversity on the skin. Skin under the test and control patches are compared. | 2 days | |
Primary | Changes in skin microbiome diversity as measured by qPCR | qPCR is employed to analyse and quantify specific microbial species or groups. Skin under the test and control patches are compared. | 2 days | |
Primary | Skin surface pH | The change in skin surface pH under the test and control patches are compared. | 2 days | |
Secondary | Change in Trans Epidermal Water loss | As measured by Dermalab instrument. Transepidermal water loss (TEWL) as measured under the test and control patches. | 2 days | |
Secondary | Change in skin hydration | Skin hydration (SH) as measured with moisturemeter instrument under the test and control patches. | 2 days | |
Secondary | Change in Skin water profile | As measured Confocal raman microspectometry. The water content of skin at different depths is measured and compared for the skin under test and control patches. | 2 days | |
Secondary | Presence of low pH formula on the skin | The extent on formula transfer to the skin as measured with tape stripping. | 2 days |
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