A Single-Center, Exploratory Study to Analyze the Dynamics of Skin Microflora Following Exposure to Surfactants
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Texas
-
Irving, Texas, United States, 75062
- Reliance Clinical Testing Service
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Healthy Subjects with Fitzpatrick Skin Types I, II or III
Exclusion Criteria:
- Subjects with visible skin disease, tattoos, skin condition, or abnormal skin color
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Other: Surfactant Exposure
PEG-40 Hydrogenated Castor Oil (Tagat CH40, Evonik) 1.5% Lauryl glucoside (Plantacare® 1200UP, BASF) 1.5% Sorbitan palmitate (SPANTM 40 (powder), Croda) 1.5% Silwet* DA-63 (Momentive) 1.5% Sodium lauryl sulfate (Sigma Aldrich) 1.0% Water
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Type of microbes present on skin after exposure to various surfactants
Time Frame: 4 days
|
Microbes will be identified by metagenomic sequencing
|
4 days
|
|
Amount of microbes present on skin after exposure to various surfactants
Time Frame: 4 days
|
4 days
|
Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Principal Investigator: Barry Reece, MBA, RCTS, Inc.
Publications and helpful links
General Publications
- Loffler H, Pirker C, Aramaki J, Frosch PJ, Happle R, Effendy I. Evaluation of skin susceptibility to irritancy by routine patch testing with sodium lauryl sulfate. Eur J Dermatol. 2001 Sep-Oct;11(5):416-9.
- Hoffman DR, Kroll LM, Basehoar A, Reece B, Cunningham CT, Koenig DW. Immediate and extended effects of sodium lauryl sulphate exposure on stratum corneum natural moisturizing factor. Int J Cosmet Sci. 2014 Feb;36(1):93-101. doi: 10.1111/ics.12101. Epub 2013 Nov 20.
- Torma H, Lindberg M, Berne B. Skin barrier disruption by sodium lauryl sulfate-exposure alters the expressions of involucrin, transglutaminase 1, profilaggrin, and kallikreins during the repair phase in human skin in vivo. J Invest Dermatol. 2008 May;128(5):1212-9. doi: 10.1038/sj.jid.5701170. Epub 2007 Nov 15.
- Wolcott RD, Gontcharova V, Sun Y, Dowd SE. Evaluation of the bacterial diversity among and within individual venous leg ulcers using bacterial tag-encoded FLX and titanium amplicon pyrosequencing and metagenomic approaches. BMC Microbiol. 2009 Oct 27;9:226. doi: 10.1186/1471-2180-9-226.
- Dowd SE, Callaway TR, Wolcott RD, Sun Y, McKeehan T, Hagevoort RG, Edrington TS. Evaluation of the bacterial diversity in the feces of cattle using 16S rDNA bacterial tag-encoded FLX amplicon pyrosequencing (bTEFAP). BMC Microbiol. 2008 Jul 24;8:125. doi: 10.1186/1471-2180-8-125.
- Wolcott RD, Dowd SE. A rapid molecular method for characterising bacterial bioburden in chronic wounds. J Wound Care. 2008 Dec;17(12):513-6. doi: 10.12968/jowc.2008.17.12.31769.
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Estimate)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- 500-15-0004
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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