A Study to Evaluate the Cutaneous Effects of Deep Ultraviolet A +/- High-Energy Visible Blue Light Exposure
A Controlled, Single Center Study to Evaluate the Cutaneous Effects of Deep Ultraviolet A (UVA) +/- High-Energy Visible (HEV) Blue Light Exposure
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 Contact
Study Contact
- Name: Kenvue Global Clinical Operations
- Phone Number: +1-877-929-5131
- Email: KenvueClinical_KV@kenvue.com
Study Locations
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New Jersey
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Union City, New Jersey, United States, 07083
- SGS Union Research Center, a Division of SGS North America, Inc.
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Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Uniform skin color over the whole test area (the lower back) with minimal variation between test sites.
- At least 3 subjects per skin type, as defined by self-reported reaction to sun exposure and Chromameter measurements.
- Generally in good health.
- Able to read, write, speak, and understand English.
- Intends to complete the study and is willing and able to follow the subject responsibilities.
Exclusion Criteria:
- In another study without approval by the study site.
- Has known allergies or negative reactions to common topical skincare products or UV light.
- Has a history of abnormal responses to sunlight or UV radiation.
- Has used a tanning bed/lamp, has had extended sun exposure of the test area, or has participated in a UV exposure study within the past 4 weeks.
- Has a current illness/condition/situation, a medical history of a disease/condition, or a skin condition (e.g., psoriasis, rashes, eczema, seborrheic, severe excoriations, etc.) that could confuse the study results, interfere with participation, or increase health risk to the subject, as determined by the study investigator.
- Has shaved/waxed the test area within 2 weeks before Visit 1.
- Has used any products in the test area within 24 hours before Visit 1.
- Has sunburn, suntan, scars, tattoos, active dermal lesions, nevi, or other conditions in the test area that could confuse the study results or increase health risk to the subject, as determined by the study investigator.
- Has self-reported Type 1 or Type 2 diabetes or is taking insulin or another anti-diabetic medication.
- Is immunosuppressed (such as HIV-positive, transplant patients, undergoing chemotherapy or radiotherapy, etc.).
- Has been using a product or medication that the study investigator determines will increase health risk to the subject or confuse the study results
- Has a personal or family history of skin cancer.
- Skeletal protrusions and/or extreme areas of curvature in the test area.
- Is pregnant, nursing, or planning to become pregnant.
- Is an employee/contractor or immediate family member of the PI, Study Site, or Sponsor.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
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Experimental: Regimen 1: Deep UVA
Deep UVA, 380-400nm, will be used for subsites 2 to 7 of Test Sites 1 and 2.
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A timed series of 6 UV doses will be administered to subsites 2 to 7 within Test Site 1 and 2 using an accurately calibrated solar simulator by varying the irradiation intensity for each subsite and keeping the duration of irradiation constant for all subsites.
The duration of irradiation for each test site will be 30 minutes.
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Experimental: Regimen 2: Deep UVA + HEV Blue Light
Deep UVA + HEV Blue Light, 380-420 nm, will be used for subsites 2 to 7 of Test Sites 3 and 4
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A timed series of 6 UV doses will be administered to subsites 2 to 7 within Test Site 3 and 4 using an accurately calibrated solar simulator by varying the irradiation intensity for each subsite and keeping the duration of irradiation constant for all subsites.
The duration of irradiation for each test site will be 30 minutes.
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No Intervention: Non-irradiated control
Subsite 1 in each test site (Test Sites 1-4) will be a non-irradiated control
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What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
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Pigmentation level as determined by clinical evaluation
Time Frame: 15 mins and 18-22 hours Post-Irradiation
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The subsites of each test site will be graded for immediate or persistent pigmentation darkening (IPD/PPD) by a trained evaluator using a 0-2 grading scale, where 0 = no pigmentation darkening and 2 = moderate to intense pigmentation darkening.The mean values will be compared between each irradiated subsite and the non-irradiated subsite within the same test site and between each subsite in Regimen 1 compared to its corresponding subsite in Regimen 2.
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15 mins and 18-22 hours Post-Irradiation
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Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
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Pigmentation response as quantified by imaging
Time Frame: Baseline, 15 mins and 18-22 hours Post-Irradiation
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Images of each test site will be analyzed to quantify the level of pigmentation using L* and b* color space values, where an increase in pigmentation corresponds to a decrease in L* values and a potential decrease in b* values or increase in a* values.
Change from baseline will be calculated.
The mean values will be compared between each irradiated subsite and the non-irradiated subsite within the same test site and between each subsite in Regimen 1 compared to its corresponding subsite in Regimen 2.
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Baseline, 15 mins and 18-22 hours Post-Irradiation
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Pigmentation response as quantified by Chromameter
Time Frame: Baseline, 15 mins and 18-22 hours Post-Irradiation
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A Chromameter will be used to quantify the level of pigmentation of subsites 1 and 7 using L* and b* color space values, where an increase in pigmentation corresponds to a decrease in L* values and a potential decrease in b* values or increase in a* values.
Change from baseline will be calculated.
The mean values will be compared between each irradiated subsite and the non-irradiated subsite within the same test site and between each subsite in Regimen 1 compared to its corresponding subsite in Regimen 2.
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Baseline, 15 mins and 18-22 hours Post-Irradiation
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Collaborators and Investigators
Sponsor
Sponsor
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 (Estimated)
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
- CS2024SK100175
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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