Assessment of the Efficacy and Barrier Protection of Two Cosmetic Products
Assessment of the Long-Term Efficacy and Barrier Protection of Two Skin Care Products
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
-
-
-
Schenefeld, Germany
- proDERM Institute for Applied Dermatological Research
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Written Informed Consent to participate in the study
- Willingness to actively participate in the study and to come to the scheduled visits
- Female and male (at least 30% male subjects)
- From 50 to 75 years of age, equally distributed
Exclusion Criteria:
- Female subjects: Pregnancy or lactation
- Drug addicts, alcoholics
- AIDS or infectious hepatitis if known to the subjects
- Conditions which exclude a participation or might influence the test reaction/ evaluation
- Participation or being in the waiting period after participation in similar cosmetic and/or pharmaceutical studies
- Active skin disease at the test area
- One of the following serious illnesses that might require regular systemic medication: insulin-dependent diabetes
- Moles, tattoos, scars, irritated skin, hairs, etc. at the test area that could influence the Investigation
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Single Group Assignment
- Masking: Triple
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
No Intervention: A - Negative control (untreated) for product C
On the forearms four test areas were located, which were labeled from A-D. Test area A contralateral to product C
|
|
|
No Intervention: B - Negative control (untreated) for product D
On the forearms four test areas were located, which were labeled from A-D. Test area B contralateral to product D
|
|
|
Experimental: C - Cosmetic Product WO 3741 with pH 4
On the forearms four test areas were located, which were labeled from A-D. Test area C on the same arm like product D.
|
Application of the product on the pre-defined skin area on the forearms twice daily for four weeks
|
|
Experimental: D - Cosmetic Product WO 4081-1 with pH 5.8
On the forearms four test areas were located, which were labeled from A-D.
|
Application of the product on the pre-defined skin area on the forearms twice daily for four weeks
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Skin pH
Time Frame: baseline, Day 29, Day 30
|
Change from baseline at Day 29 and Day 30 of Skin pH Units assessed by pH-meter
|
baseline, Day 29, Day 30
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Transepidermal Water Loss
Time Frame: baseline, Day 29, Day 30
|
Change from baseline at Day 29 and Day 30 of Transepidermal Water Loss (g/m2/h) assessed by Tewameter
|
baseline, Day 29, Day 30
|
|
Skin Hydration
Time Frame: baseline, Day 29, Day 30
|
Change from baseline at Day 29 and Day 30 of Skin Hydration Arbitrary Units assessed by Corneometer
|
baseline, Day 29, Day 30
|
|
Intercellular lipid lamellae lenght (nm ICLL/1000 nm2 ICS)
Time Frame: baseline, Day 29, Day 30
|
Change from baseline at Day 29 and Day 30 of stratum corneum assessed by transmission electron microscopy
|
baseline, Day 29, Day 30
|
|
Lipid Analysis ((concentration of : Cholesterol (µg/slide), FFA (µg/slide), Ceramide EOS (µg/slide), Ceramide NP (µg/slide), Ceramide NH (µg/slide))
Time Frame: baseline, Day 29, Day 30
|
Change from baseline at Day 29 and Day 30 of corneocyte layer area assessed from the TEM data
|
baseline, Day 29, Day 30
|
Collaborators and Investigators
Sponsor
Sponsor
Collaborators
Collaborators
Investigators
Investigators
- Study Director: Prof. Klaus-Peter Wilhelm, MD, proDERM Institute for Applied Dermatological Research, Germany
Study record dates
Study Major Dates
Study Start (Actual)
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 (Actual)
First Posted
Study Record Updates
Last Update Posted (Actual)
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
Keywords
Other Study ID Numbers
Other Study ID Numbers
- PH4G-04/2016
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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