Comparison Study of Picosecond and Nanosecond Pulse Durations Using a Q-switched Nd:YAG Laser for Tattoo Removal
Prospective, Open-Label Comparison Study of Picosecond and Nanosecond Pulse Durations Using a Q-switched Nd:YAG Laser for Tattoo Removal
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Detailed Description
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
California
-
San Diego, California, United States, 92130
- Scripps Clinic Carmel Valley
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Females or Males, 18 to 55 years of age (inclusive).
- Fitzpatrick Skin Type I - VI.
- Tattoos containing black/blue ink alone or in combination with other colors. No tribal, scarred, high-ink density, or highly colorful tattoos.
- Target tattoos older than 1 year.
- Must be able to read, understand and sign the Informed Consent Form.
- Must be willing and able to adhere to the treatment and follow-up schedule and post-treatment care instructions.
- Wiling to cover tattoos with a bandage or clothing; and/or have very limited sun exposure and use an approved sunscreen of SPF 50 or higher on the treated area starting 2 to 4 weeks before the treatment and/or every day for the duration of the study, including the follow-up period.
- Willing to use hydroquinone approximately 4 weeks pre-treatment and post-treatment if required by Investigator.
- Willingness to have digital photographs taken of the treated area.
- Agree not to undergo any other procedure(s) for the tattoo removal during the study.
- Post-menopausal or surgically sterilized, or using a medically acceptable form of birth control at least 3 months prior to enrollment and during the entire course of the study.
Exclusion Criteria:
- Participation in a study of another device or drug within 6 months prior to enrollment or during the study.
- History of allergic reaction to pigments following tattooing.
- Presence of double tattoo in the treatment area or presence of tribal, scarred, high-ink density, or highly colorful single tattoos.
- History of allergy to local anesthetics.
- History of allergy to topical antibiotics.
- History of malignant tumors in the target area.
- Skin abnormalities in the target area, e.g., cuts, scrapes, wounds, scars, large moles.
- Pregnant and/or breastfeeding.
- Having an infection, dermatitis or a rash in the treatment area.
- Significant concurrent illness, such as diabetes mellitus or cardiovascular disease, e.g., uncontrolled hypertension.
- Suffering from coagulation disorders or taking prescription anticoagulation medications.
- History of keloid scarring, hypertrophic scarring or of abnormal wound healing.
- History of immunosuppression/immune deficiency disorders or currently using immunosuppressive medications.
- History of vitiligo, eczema, or psoriasis.
- History of connective tissue disease, such as systemic lupus erythematosus or scleroderma.
- History of seizure disorders due to light.
- Any use of medication that is known to increase sensitivity to light according to the Investigator's discretion.
- History of herpes simplex and/or herpes zoster (shingles).
- History of radiation to the treatment area or undergoing systemic chemotherapy for the treatment of cancer.
- History of pigmentary disorders, particularly tendency for hyper- or hypo-pigmentation.
- Systemic use of corticosteroid within 12 months of study participation.
- Use of oral isotretinoin within 12 months of study participation and topical use of isotretinoin within 6 months on the treated area.
- Anytime in life, having have used gold therapy (gold salts) for disorders such as rheumatologic disease or lupus.
- Excessively tanned in areas to be treated or unable/unlikely to refrain from tanning during the study.
- Current smoker or history of smoking within 6 months of study participation.
- As per the Investigator's discretion, any physical or mental condition which might make it unsafe for the subject to participate in this study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: enLighten Laser Picosecond Pulse
Picosecond Pulse-duration with enLighten Q-switched Nd:YAG (1064 nm and 532 nm) laser treatment
|
Picosecond pulse-duration or Nanosecond pulse-duration tattoo treatment with enLighten Q-switched Laser Treatment
|
|
Experimental: enLighten Laser Nanosecond Pulse
Nanosecond Pulse-duration with enLighten Q-switched Nd:YAG (1064 nm and 532 nm) laser treatment
|
Picosecond pulse-duration or Nanosecond pulse-duration tattoo treatment with enLighten Q-switched Laser Treatment
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Level of Tattoo Clearing at 12 Weeks for Each Treatment Arm as Assessed by the Blinded Reviewers.
Time Frame: 12 weeks
|
Physician's Global Assessment (min=0; Max=4) Higher scores indicate better outcomes
|
12 weeks
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Mean tattoo clearing score for treatment arm and active control arm as assessed by treated investigator, as measured by 5-point improvement scale.
Time Frame: Day 0, 4 weeks and 8 weeks
|
Day 0, 4 weeks and 8 weeks
|
|
Mean tattoo clearing score for treatment arm and active control arm as assessed by subject, as measured by 5-point improvement scale.
Time Frame: Day 0, 4 weeks and 8 weeks
|
Day 0, 4 weeks and 8 weeks
|
|
Mean pain score for treatment arm and active control arm as assessed by subject, as measured by 0 to 10 Numeric Pain Rating Scale.
Time Frame: at time of Laser treatment
|
at time of Laser treatment
|
|
Subject satisfaction for treatment arm and active control arm, as determined by subject questionnaire.
Time Frame: Day 0, 4 weeks and 8 weeks
|
Day 0, 4 weeks and 8 weeks
|
|
Number of Participants with Adverse Effects for treatment arm and active control arm.
Time Frame: Day 0, 4 weeks and 8 weeks
|
Day 0, 4 weeks and 8 weeks
|
Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Principal Investigator: E. Victor Ross, MD, Scripps Clinic Carmel Valley
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
Keywords
Other Study ID Numbers
Other Study ID Numbers
- C-14-TPS05
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