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A Clinical Trial Comparing the Efficacy and Safety of 532-nm KTP Laser and 595-nm Pulsed Dye Laser in the Treatment of Facial Telangiectasia

A Clinical Trial Comparing the Efficacy and Safety of 532-nm KTP Laser and 595-nm Pulsed Dye Laser in the Treatment of Facial Telangiectasia

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500101279
Enrollment
Unknown
Registered
2025-04-23
Start date
2025-04-25
Completion date
Unknown
Last updated
2025-04-28

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

Conditions

Facial telangiectasia

Interventions

Intervention group:Treating with 532nm KTP laser
Control group:Treating with 595nm Pulsed dye laser

Sponsors

Shanghai Skin Disease Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1) Fitzpatrick skin type III or IV bibuccal telangiectasia patients with vascular diameter within <2mm; 2) Healthy adults aged 18-65 years (inclusive) of any gender; 3) The patient voluntarily participated in the clinical observation, signed the informed consent form, and was willing to cooperate with the follow-up observation; 4) Have good communication skills and comprehension skills.

Exclusion criteria

Exclusion criteria: 1) Those with other facial symptoms who do not meet the inclusion criteria; 2) Patients with a history of skin cancer (melanoma), etc.; 3) pregnant or lactating women; 4) Patients with photosensitive diseases such as chronic actinic dermatitis, polymorphic light eruption, and photosensitive epilepsy; 5) Have received facial laser, intense pulsed light, radiofrequency, focused ultrasound and other photoelectric therapy or botulinum toxin droplet injection treatment within one month; 6) Those who have used tretinoin (in the past 6 months); 7) Patients with other serious organic lesions or systemic diseases; 8) Patients who are unwilling to sign the informed consent form, unwilling to cooperate; 9) Those with a history of psychological and psychiatric illness, recent history of alcoholism or drug abuse; 10) Other conditions that are judged by the investigator to be unsuitable for receiving 532nm KTP laser or 595nm pulsed dye laser.

Design outcomes

Primary

MeasureTime frame
Erythema index;

Secondary

MeasureTime frame
Standardized photographs;Average hemoglobin concentration;

Countries

China

Contacts

Public ContactWei Zhang

Shanghai Skin Disease Hospital

zw5259@163.com+86 189 3004 1608

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026