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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05360251
Other study ID # 2022-0177
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date March 27, 2022
Est. completion date July 2022

Study information

Verified date March 2022
Source Second Affiliated Hospital, School of Medicine, Zhejiang University
Contact jiali J Ruan, postgraduate
Phone 19883117589
Email 22018542@zju.edu.cn
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Pulsed dye laser(PDL) and intense pulsed light(IPL) has been widely used in improving rosacea. To compare the efficacy and safety of PDL and IPL configured with different wavelength bands(Delicate Pulsed Light, M22 590, M22 vascular filter) in the treatment of rosacea, we designed a prospective, randomized controlled trial. We hope to make a comparison between PDL and IPL,between broad-spectrum IPL and narrow-spectrum IPL, between single-band IPL and dual-band IPL, and also provide clinical basis for clinicians and patients to develop individualized treatment plans.


Description:

Rosacea is a chronic skin condition characterized by erythema, inflammatory papules, pustules and telangiectasias, which typically occur on the face of middle-aged adults, especially fair skinned. The disease can lead to social stigmatization and may significantly reduce the quality of life of patients. For erythematous lesions and telangiectasia, intense pulsed light (IPL) therapy and lasers are popular treatmen option. Lasers and non-coherent intense pulse light sources (IPL) are based on the principle of selective photothermolysis. The target chromophore in vascular lesions is the oxyhemoglobin present in the red blood corpuscles (RBCs) which circulates in the blood vessels. Pulsed dye lasers (PDL) use a wavelength of 595 nm and is the gold standard of vascular lesion treatment. A common complication is post treatment purpura which appears immediately and can last for 7-14 days, which may be cosmetically unacceptable. The intense pulsed light (IPL) produces a non-coherent light beam with a spectrum of wavelengths from 500 to 1200 nm. Cut-off filters at 515, 550, 570, 590 nm are used for vascular lesions. To compare the efficacy and safety of PDL and IPL configured with different wavelength bands(Delicate Pulsed Light, M22 590, M22 vascular filter) in the treatment of rosacea, we designed a prospective, randomized controlled trial. We hope to make a comparison between PDL and IPL,between broad-spectrum IPL and narrow-spectrum IPL, between single-band IPL and dual-band IPL, and also provide clinical basis for clinicians and patients to develop individualized treatment plans.


Recruitment information / eligibility

Status Recruiting
Enrollment 60
Est. completion date July 2022
Est. primary completion date June 30, 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years to 60 Years
Eligibility Inclusion Criteria: age of at least 18 years; according to the rosacea diagnostic criteria established by the NRSEC in 2002, be diagnosed as erythematotelangiectatic rosacea; Rosacea clinical score is between 9 and 12; Fitzpatrick skin type III and IV; Exclusion Criteria: there was infection in the treatment site sunburn history within 1 month; received oral isotretinoin or laser treatment in the past 3 months received chemical peeling 1 month before the study pregnancy or breast-feeding. those who are receiving other treatment for rosacea, such as topical and oral drugs;

Study Design


Related Conditions & MeSH terms


Intervention

Device:
PDL(595nm)
One subject was treated with pulsed dye laser (Vbeam platinum, 595 nm, Candela Corporation): energy dosages of 9-11 J/cm2, pulse durations of 10/20 ms, and spot size of 7 mm.
IPL(DPL)
One subject was treated with IPL(delicate Pulsed Light, Dye-VL, Alma Lasers Corporation): energy dosages of 8.4-10.6 J/cm2, pulse durations of 10/12 ms, and spot size of 10×30 mm.
IPL(M22 590)
One subject was treated with IPL(M22 590, 590-1200nm, Lumenis Limited): energy dosages of 15-18 J/cm2, pulse durations of 3-4 ms, pulse delay of 30-40 ms, and spot size of 15×35 mm.
IPL(M22 vascular)
One subject was treated with IPL(M22 vascular, 530-650nm and 900-1200nm, Lumenis Limited): energy dosages of 9-17 J/cm2, pulse durations of 4-6 ms, pulse delay of 20-40 ms, and spot size of 15×35 mm.

Locations

Country Name City State
China The Second Affiliated Hospital of Zhejiang University of Medicine Hanzhou Zhejiang

Sponsors (1)

Lead Sponsor Collaborator
Second Affiliated Hospital, School of Medicine, Zhejiang University

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Other adverse effects Adverse reactions such as pain, erythema and edema, hyperpigmentation and hypopigmentation were recorded. through study completion, an average of 0.5 year
Primary Rosacea clinical score It includes objective symptom score(Flushing, Nontransient erythema, Telangiectasia) and subjective symptom score(Burning or stinging, Itching, Dry), with a 4-level score according to the standard grading system by NRS. Objective symptom is assessed by a dermatologist, and subjective symptom score is assessed by subjects themselves. from baseline(T0) to 4weeks after the final treatment(T3)
Primary VISIA Red Area score using VISIA image system to record red area absolute score from baseline(T0) to 4weeks after the final treatment(T3)
Secondary Pain score It is evaluated by subjects themselves with Visual analogue scale(VAS) , on a scale hypopigmentation were recorded. immediately after each laser treatment
See also
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