Combined Intense Pulsed Light (IPL) With Fractional Erbium:YAG Laser Ablation in Scar Prevention

January 22, 2021 updated by: Bo Young Chung, Hallym University Kangnam Sacred Heart Hospital

Efficacy of Combined Intense Pulsed Light (IPL) With Fractional Erbium:YAG Laser Ablation in Scar Prevention

The scar site was divided into 3 sites; combined IPL/fractional Er:YAG laser treatment site, fractional Er:YAG laser treatment site and untreated control site. At baseline, three lesions were randomized to IPL / fractional Er:YAG laser combination therapy site, fractional Er:YAG laser treatment alone site, and untreated control site. The laser treatment was conducted total three sessions, immediately at suture removal (baseline), 4 weeks after suture removal and 8 weeks after suture removal. The evaluation of scar site was conducted 3 months later after last treatment (20 weeks after suture removal).

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Recruiting

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Anticipated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
30

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

Study Locations

  • Korea, Republic of
      • Seoul, Korea, Republic of, 07441
        • Recruiting
        • KangNam Sacred Heart Hospital
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

20 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Clinical diagnosis of postoperative scars on the abdomen
  • scars were symmetrical shaped in a line of 3cm or more

Exclusion Criteria:

  • uncontrolled systemic or chronic disease
  • hypersensitive to the ingredients
  • a history of other laser treatments within the past 6 months
  • pregnancy
  • lactation
  • Recent sun exposure

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: combined IPL/fractional Er:YAG laser treatment site

At baseline, three lesions were randomized to IPL / fractional Er:YAG laser combination therapy site.

Topical anesthetic cream was applied to the scar 30 minutes before laser treatment. The same dermatologist performed all laser treatments including IPL and 2,940 nm Er:YAG fractional laser. The face was cooled after treatment with gauze soaked in ice water.

The laser treatment was conducted total three sessions, immediately at suture removal, 4 weeks after suture removal and 8 weeks after suture removal. The evaluation of scar site was conducted 3 months later after last treatment.
Device: fractional Er:YAG laser

At baseline, three lesions were randomized. Topical anesthetic cream was applied to the scar 30 minutes before laser treatment.

The same dermatologist performed 2,940 nm Er:YAG fractional laser. (long pulse mode, 1500mJ, 2Hz, 2 pass) The face was cooled after treatment with gauze soaked in ice water. The laser treatment was conducted total three sessions, immediately at suture removal, 4 weeks after suture removal and 8 weeks after suture removal. The evaluation of scar site was conducted 3 months later after last treatment.

Other Names:
  • Matrixell, Medro corp., Seoul, Korea
Device: Intense pulse light

At baseline, three lesions were randomized. Topical anesthetic cream was applied to the scar 30 minutes before laser treatment.

The same dermatologist performed IPL. (irridation energy: 12.5J/cm2, pulse duration: 10ms, 1pass) The face was cooled after treatment with gauze soaked in ice water. The laser treatment was conducted total three sessions, immediately at suture removal, 4 weeks after suture removal and 8 weeks after suture removal. The evaluation of scar site was conducted 3 months later after last treatment.

Other Names:
  • IPL (Ellipse Flex, DDD, Hoersholm, Denmark)
Active Comparator: fractional Er:YAG laser treatment alone site

At baseline, three lesions were randomized to fractional Er:YAG laser combination therapy site.

Topical anesthetic cream was applied to the scar 30 minutes before laser treatment. The same dermatologist performed 2,940 nm Er:YAG fractional laser. The face was cooled after treatment with gauze soaked in ice water.

The laser treatment was conducted total three sessions, immediately at suture removal, 4 weeks after suture removal and 8 weeks after suture removal. The evaluation of scar site was conducted 3 months later after last treatment.
Device: fractional Er:YAG laser

At baseline, three lesions were randomized. Topical anesthetic cream was applied to the scar 30 minutes before laser treatment.

The same dermatologist performed 2,940 nm Er:YAG fractional laser. (long pulse mode, 1500mJ, 2Hz, 2 pass) The face was cooled after treatment with gauze soaked in ice water. The laser treatment was conducted total three sessions, immediately at suture removal, 4 weeks after suture removal and 8 weeks after suture removal. The evaluation of scar site was conducted 3 months later after last treatment.

Other Names:
  • Matrixell, Medro corp., Seoul, Korea
No Intervention: untreated control site
At baseline, three lesions were randomized to untreated control site. Topical anesthetic cream was applied to the scar 30 minutes before laser treatment. The evaluation of scar site was conducted 3 months later after last treatment.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Patient Observer Scar Assessment Scale
Time Frame: 4 weeks
The POSAS observer consists of following 6 items: vascularity, pigmentation, thickness, surface area, relief, pliability. Each item was evaluated on a scale from 1 (normal skin) to 10 (worst scar). Finally, the POSAS total score was calculated as the sum of six items, ranging from 6 to 60.
4 weeks
Patient Observer Scar Assessment Scale
Time Frame: 8 weeks
The POSAS observer consists of following 6 items: vascularity, pigmentation, thickness, surface area, relief, pliability. Each item was evaluated on a scale from 1 (normal skin) to 10 (worst scar). Finally, the POSAS total score was calculated as the sum of six items, ranging from 6 to 60.
8 weeks
Patient Observer Scar Assessment Scale
Time Frame: 20 weeks
The POSAS observer consists of following 6 items: vascularity, pigmentation, thickness, surface area, relief, pliability. Each item was evaluated on a scale from 1 (normal skin) to 10 (worst scar). Finally, the POSAS total score was calculated as the sum of six items, ranging from 6 to 60.
20 weeks

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Total Vancouver Scar scale
Time Frame: 4 weeks
The VSS consists of 4 following components: vascularity, pigmentation, height ranging from 0 to 3, and pliability from 0 to 5. Score zero means the normal skin, while maximum scores indicate the worst scar.
4 weeks
Total Vancouver Scar scale
Time Frame: 8 weeks
The VSS consists of 4 following components: vascularity, pigmentation, height ranging from 0 to 3, and pliability from 0 to 5. Score zero means the normal skin, while maximum scores indicate the worst scar.
8 weeks
Total Vancouver Scar scale
Time Frame: 20 weeks
The VSS consists of 4 following components: vascularity, pigmentation, height ranging from 0 to 3, and pliability from 0 to 5. Score zero means the normal skin, while maximum scores indicate the worst scar.
20 weeks
Erythema index
Time Frame: 4 weeks

The indexes were measured by placing Spectrophotometer (Cortex Technology, Had- sund, Denmark) directly on the skin lesions for two minutes in the room with constant temperature (20~24 degree Celsius) and humidity (28~38 percent).

This measurement was performed to determine erythema.
4 weeks
Erythema index
Time Frame: 8 weeks

The indexes were measured by placing Spectrophotometer (Cortex Technology, Had- sund, Denmark) directly on the skin lesions for two minutes in the room with constant temperature (20~24 degree Celsius) and humidity (28~38 percent).

This measurement was performed to determine erythema.
8 weeks
Erythema index
Time Frame: 20 weeks

The indexes were measured by placing Spectrophotometer (Cortex Technology, Had- sund, Denmark) directly on the skin lesions for two minutes in the room with constant temperature (20~24 degree Celsius) and humidity (28~38 percent).

This measurement was performed to determine erythema.
20 weeks
Melanin index
Time Frame: 4 weeks

The indexes were measured by placing Spectrophotometer (Cortex Technology, Had- sund, Denmark) directly on the skin lesions for two minutes in the room with constant temperature (20~24 degree Celsius) and humidity (28~38 percent).

This measurement was performed to determine pigmentation.
4 weeks
Melanin index
Time Frame: 8 weeks

The indexes were measured by placing Spectrophotometer (Cortex Technology, Had- sund, Denmark) directly on the skin lesions for two minutes in the room with constant temperature (20~24 degree Celsius) and humidity (28~38 percent).

This measurement was performed to determine pigmentation.
8 weeks
Melanin index
Time Frame: 20 weeks

The indexes were measured by placing Spectrophotometer (Cortex Technology, Had- sund, Denmark) directly on the skin lesions for two minutes in the room with constant temperature (20~24 degree Celsius) and humidity (28~38 percent).

This measurement was performed to determine pigmentation.
20 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Hallym University Kangnam Sacred Heart Hospital

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Study Chair: Bo Young Chung, M.D., PhD, Department of Dermatology, Kangnam Sacred Heart Hospital

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
January 6, 2020

Primary Completion (Anticipated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
November 14, 2021

Study Completion (Anticipated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
November 14, 2021

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
January 20, 2021

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
January 20, 2021

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
January 25, 2021

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
January 26, 2021

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
January 22, 2021

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
January 1, 2021

More Information

Terms related to this study

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 2019-11-007

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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