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The Effects of Fractional CO2 Laser on Poikiloderma of Civatte

The Effects of Fractional CO2 Laser on Poikiloderma of Civatte

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04581330
Enrollment
10
Registered
2020-10-09
Start date
2021-04-01
Completion date
2022-01-01
Last updated
2023-03-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Poikiloderma of Civatte

Brief summary

This study will assess the safety and efficacy of fractional CO2 laser treatment for Poikiloderma of Civatte (POC).POC is a chronic vascular and pigmentary disorder typically involving the lateral and inferior neck region, as well as the chest area. Clinically, poikiloderma appears as a combination of telangiectasia, irregular pigmentation, and atrophic changes.Little data exist regarding the use of fractional CO2 laser for management of POC. This study hopes to fulfill this purpose. The primary outcome will be a blinded assessment by dermatologists in the improvement in POC using the Physician's Global Aesthetic Improvement Scale following therapy. The secondary outcomes include subject satisfaction post-treatment and assessment of all procedure-related adverse events.

Interventions

DEVICEDEKA SmartXide C02 laser

One pass with a 1-mm spot density and a 60 micron depth will be performed followed by a 1-mm spot density and a 200 micron depth will be used

Sponsors

University of Texas Southwestern Medical Center
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
SINGLE (Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Male and female subjects, English and non-English speakers, and subjects more than 18 years old * Clinical diagnosis of poikiloderma of Civatte affecting the neck and chest * Agree to not undergo any other procedures on the neck and chest area during the study * Agree to refrain from tanning for 6 months post-procedure * Willing and able to read, understand, and sign the consent form * Willing and able to adhere to the treatment and follow-up schedule as well as post-treatment care

Exclusion criteria

* Patients under 18 years old * Active skin infection, dermatitis, or a rash on the treatment area * Pregnant or lactating patients * Patients on immunosuppressive medications * Any laser procedures or chemical peel procedures on the neck or chest area within the past 6 months * Patients with multiple comorbidities such as diabetes mellitus, cardiovascular diseases, neurologic disorders, internal malignancies * Personal history or family history of forming keloids or hypertrophic scars, or abnormal wound healing * Patients with known bleeding disorders or taking more than one anticoagulation medications * Undergoing any surgery in the treatment area within the past 12 months * History of radiation to the head, neck, and chest area * Systemic use of isotretinoin within 6 months * Any use of gold therapy * Current smoker or history of smoking within 12 months of study * Any physical or mental condition in which the investigators deem unsafe for the subject to participate in the study. * History of recurrent herpes simplex on the neck or chest.

Design outcomes

Primary

MeasureTime frameDescription
Change in Overall Improvement of Poikiloderma of Civatte (POC) From Baseline at 12 WeeksBaseline, 12 weeksImprovement of Poikiloderma of Civatte (POC) at 12 weeks post treatment is assessed by the Physician's Global Aesthetic Improvement Scale which is a 10-point scale. Each dermatologist from an independent panel (blinded to treatment parameters and the treatment laterality at each photograph time point) will be asked to identify the baseline and post-treatment images from randomized, paired images for all subjects. Reviewers will rate improvement of POC in 10% increments on a 10-point scale (0% no improvement to 100% or complete clearance).
Change in Overall Improvement of Poikiloderma of Civatte (POC) From Baseline at 24 WeeksBaseline, 24 weeks post-treatmentImprovement of Poikiloderma of Civatte (POC) at 24 weeks post treatment is assessed by the Physician's Global Aesthetic Improvement Scale which is a 10-point scale. Each dermatologist from an independent panel (blinded to treatment parameters and the treatment laterality at each photograph time point) will be asked to identify the baseline and post-treatment images from randomized, paired images for all subjects. Reviewers will rate improvement of POC in 10% increments on a 10-point scale (0% no improvement to 100% or complete clearance)

Secondary

MeasureTime frameDescription
Patient Satisfaction Assessment Scores at 12 Weeks Post Treatment12 weeks post-treatmentSubjects will assess satisfaction with change of POC using the Global Aesthetic Improvement Scale which is a 5-point satisfaction scale. Scale ranges from 1 to 5, lower score indicating lower satisfaction.
Patient Satisfaction Assessment Scores at 24 Weeks Post Treatment24 weeks post-treatmentSubjects will assess satisfaction with change of POC using the Global Aesthetic Improvement Scale which is a 5-point satisfaction scale. Scale ranges from 1 to 5, lower score indicating lower satisfaction.
Number of at Least One Procedure-related Adverse Events24 weeks post-laser treatmentNumber of at least one procedure-related adverse events \>=Grade 3, as defined by Common Terminology Criteria for Adverse Events by CTCAE v4.0

Countries

United States

Participant flow

Pre-assignment details

The Control Arm assignment consists of the same participants from the intervention arm, but the only difference is that the other half of the participant's neck was considered as the Control which was not treated with the ablative fractional CO2 laser.

Participants by arm

ArmCount
All Participants
One half of the subject's neck will be treated with ablative fractional CO2 laser (DEKA SmartXide ). One pass with a 1-mm spot density and a 60 micron depth will be performed followed by a 1-mm spot density and a 200 micron depth will be used. The other half of the subject's neck will not be treated with the ablative fractional CO2 laser.
10
Total10

Baseline characteristics

CharacteristicAll Participants
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
3 Participants
Age, Categorical
Between 18 and 65 years
7 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
0 Participants
Race (NIH/OMB)
Black or African American
0 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
White
10 Participants
Region of Enrollment
United States
10 participants
Sex: Female, Male
Female
10 Participants
Sex: Female, Male
Male
0 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 100 / 10
other
Total, other adverse events
0 / 100 / 10
serious
Total, serious adverse events
0 / 100 / 10

Outcome results

Primary

Change in Overall Improvement of Poikiloderma of Civatte (POC) From Baseline at 12 Weeks

Improvement of Poikiloderma of Civatte (POC) at 12 weeks post treatment is assessed by the Physician's Global Aesthetic Improvement Scale which is a 10-point scale. Each dermatologist from an independent panel (blinded to treatment parameters and the treatment laterality at each photograph time point) will be asked to identify the baseline and post-treatment images from randomized, paired images for all subjects. Reviewers will rate improvement of POC in 10% increments on a 10-point scale (0% no improvement to 100% or complete clearance).

Time frame: Baseline, 12 weeks

ArmMeasureGroupValue (MEAN)Dispersion
DEKA SmartXide C02 LaserChange in Overall Improvement of Poikiloderma of Civatte (POC) From Baseline at 12 WeeksImprovement in Dyschromia11.01 percentageStandard Deviation 14.91
DEKA SmartXide C02 LaserChange in Overall Improvement of Poikiloderma of Civatte (POC) From Baseline at 12 WeeksImprovement in Texture8.51 percentageStandard Deviation 12.69
DEKA SmartXide C02 LaserChange in Overall Improvement of Poikiloderma of Civatte (POC) From Baseline at 12 WeeksLack of Erythema4.33 percentageStandard Deviation 13.68
ControlChange in Overall Improvement of Poikiloderma of Civatte (POC) From Baseline at 12 WeeksImprovement in Dyschromia6.03 percentageStandard Deviation 11.94
ControlChange in Overall Improvement of Poikiloderma of Civatte (POC) From Baseline at 12 WeeksImprovement in Texture5.89 percentageStandard Deviation 10.5
ControlChange in Overall Improvement of Poikiloderma of Civatte (POC) From Baseline at 12 WeeksLack of Erythema2.49 percentageStandard Deviation 11.99
Primary

Change in Overall Improvement of Poikiloderma of Civatte (POC) From Baseline at 24 Weeks

Improvement of Poikiloderma of Civatte (POC) at 24 weeks post treatment is assessed by the Physician's Global Aesthetic Improvement Scale which is a 10-point scale. Each dermatologist from an independent panel (blinded to treatment parameters and the treatment laterality at each photograph time point) will be asked to identify the baseline and post-treatment images from randomized, paired images for all subjects. Reviewers will rate improvement of POC in 10% increments on a 10-point scale (0% no improvement to 100% or complete clearance)

Time frame: Baseline, 24 weeks post-treatment

Population: Data were not collected because the plan of doing this assessment was dropped due to the COVID-19 pandemic.

Secondary

Number of at Least One Procedure-related Adverse Events

Number of at least one procedure-related adverse events \>=Grade 3, as defined by Common Terminology Criteria for Adverse Events by CTCAE v4.0

Time frame: 24 weeks post-laser treatment

Population: The Control Arm consists of the same participants from the intervention arm, but the only difference is that the other half of the participant's neck was considered as the Control which was not treated with the ablative fractional CO2 laser.

ArmMeasureValue (NUMBER)
DEKA SmartXide C02 LaserNumber of at Least One Procedure-related Adverse Events0 events
ControlNumber of at Least One Procedure-related Adverse Events0 events
Secondary

Patient Satisfaction Assessment Scores at 12 Weeks Post Treatment

Subjects will assess satisfaction with change of POC using the Global Aesthetic Improvement Scale which is a 5-point satisfaction scale. Scale ranges from 1 to 5, lower score indicating lower satisfaction.

Time frame: 12 weeks post-treatment

Population: The Control Arm assignment consists of the same participants from the intervention arm, but the only difference is that the other half of the participant's neck was considered as the Control which was not treated with the ablative fractional CO2 laser. Hence satisfaction assessment was done only once with this set of participants and no data available to report in the Control arm.

ArmMeasureValue (MEAN)Dispersion
DEKA SmartXide C02 LaserPatient Satisfaction Assessment Scores at 12 Weeks Post Treatment4.5 score on a scaleStandard Deviation 0.53
Secondary

Patient Satisfaction Assessment Scores at 24 Weeks Post Treatment

Subjects will assess satisfaction with change of POC using the Global Aesthetic Improvement Scale which is a 5-point satisfaction scale. Scale ranges from 1 to 5, lower score indicating lower satisfaction.

Time frame: 24 weeks post-treatment

Population: Data were not collected because the plan of doing this assessment was dropped due to the COVID-19 pandemic.

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026