Clinical and Histological Evaluation of the 755nm Alexandrite Laser With Handpiece for the Treatment of Scars

Not Applicable

Completed

• Conditions: Scars
• Interventions: Device: 755nm Alexandrite Laser with handpiece 2; Device: 755nm Alexandrite Laser with handpiece 1; Device: 755nm Alexandrite Laser with handpiece 3

• Registration Number: NCT01813786
• Lead Sponsor: Cynosure, Inc.

Brief Summary

Compare efficacy and safety of handpieces on the 755nm Alexandrite laser for the treatment of scars.

Detailed Description

Not available

Study Timeline

• Study Start: 2012-12
• Study First Submitted: 2013-03-12
• Study First Submitted QC: 2013-03-15
• Study First Posted: 2013-03-19
• Primary Completion: 2013-12
• Study Completion: 2013-12
• Status Verified: 2020-10
• Last Update Submitted: 2020-10-27
• Last Update Posted: 2020-10-28

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 9

Inclusion Criteria

1. Is a healthy male or female between 18 and 85 years old
2. Has unwanted scars not including atrophic scars and wishes to undergo laser treatments.
3. Is willing to consent to participate in the study.
4. Is willing to comply with all requirements of the study including biopsies, being photographed, following post treatment care and attending all treatment and follow up visits.
5. Has Fitzpatrick skin types I to IV.

Exclusion Criteria

1. The subject is female and pregnant, has been pregnant within the last 3 months, is currently breast feeding or planning a pregnancy during the study period.
2. The subject is hypersensitive to light exposure OR takes photo sensitized medication.
3. The subject has active or localized systemic infections.
4. The subject has a coagulation disorder or is currently using anti-coagulation medication (including but not limited to heavy aspirin therapy {greater than 81 mg per day}).
5. The subject has any condition which, in the investigator's opinion, would make it unsafe for the subject to participate in this research study.
6. The subject is currently enrolled in an investigational drug or device trial, or has received an investigational drug or been treated with an investigational device within 3 months prior to entering this study.
7. The subject has used Accutane within 6 months prior to enrollment.
8. The subject has the need to be exposed to artificial tanning devices or excessive sunlight during the trial.
9. The subject has had prior treatment with parenteral gold therapy (gold sodium thiomalate).
10. The subject has a history of keloids.
11. The subject has evidence of compromised wound healing.
12. The subject has a history of squamous cell carcinoma or melanoma.
13. The subject has a history of immunosuppression/immune deficiency disorders (including HIV infection or AIDS) or use of immunosuppressive medications.
14. The subjects has an allergy to lidocaine and epinephrine.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
755nm Alexandrite Laser with Handpiece 2	755nm Alexandrite Laser with handpiece 2	Focusing energy on skin
755nm Alexandrite laser with handpiece 1	755nm Alexandrite Laser with handpiece 1	Focusing energy on skin
755nm Alexandrite Laser with handpiece 3	755nm Alexandrite Laser with handpiece 3	Focusing energy on skin

Primary Outcome Measures

Name	Time	Method
Subject Biopsy Sampling	3 months post last treatment	Histological examination of tissue samples will be compared between baseline and 3 months post treatment.

Secondary Outcome Measures

Name	Time	Method
Subject Biopsy Sampling	1 month post treatment	Histological examination of tissue samples will be compared between baseline and 1 month post treatment.
Photographic evaluation as a measure of improvement.	up to 3 months post last treatment	2D photographs to be taken at each visit and assessed at the end of the study by 2-3 blinded assessors for improvement.

Trial Locations

Locations (1)

Laser & Skin Surgery Center of New York; 🇺🇸 New York, New York, United States