A Single-Center, Exploratory Study to Analyze the Dynamics of Skin Microflora Following Exposure to Surfactants
1 other identifier
interventional
24
1 country
1
Brief Summary
The purpose of this study is to understand the changes in skin microflora, skin barrier function, and skin biochemical constituents in response to direct contact with model surfactants used in personal care articles. The results from this study will provide insights into the complex interaction between the skin microbiome and the epidermis after exposure to surfactants.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started Nov 2015
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
October 30, 2015
CompletedStudy Start
First participant enrolled
November 1, 2015
CompletedFirst Posted
Study publicly available on registry
November 26, 2015
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2015
CompletedStudy Completion
Last participant's last visit for all outcomes
February 1, 2016
CompletedSeptember 28, 2016
September 1, 2016
1 month
October 30, 2015
September 26, 2016
Conditions
Outcome Measures
Primary Outcomes (2)
Type of microbes present on skin after exposure to various surfactants
Microbes will be identified by metagenomic sequencing
4 days
Amount of microbes present on skin after exposure to various surfactants
4 days
Study Arms (1)
Surfactant Exposure
OTHERPEG-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
Interventions
Eligibility Criteria
You may qualify if:
- Healthy Subjects with Fitzpatrick Skin Types I, II or III
You may not qualify if:
- Subjects with visible skin disease, tattoos, skin condition, or abnormal skin color
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Reliance Clinical Testing Service
Irving, Texas, 75062, United States
Related Publications (6)
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.
PMID: 11525947BACKGROUNDHoffman 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.
PMID: 24152302BACKGROUNDTorma 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.
PMID: 18007579BACKGROUNDWolcott 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.
PMID: 19860898BACKGROUNDDowd 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.
PMID: 18652685BACKGROUNDWolcott 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.
PMID: 19052515BACKGROUND
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Barry Reece, MBA
RCTS, Inc.
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- BASIC SCIENCE
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
October 30, 2015
First Posted
November 26, 2015
Study Start
November 1, 2015
Primary Completion
December 1, 2015
Study Completion
February 1, 2016
Last Updated
September 28, 2016
Record last verified: 2016-09