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Canceled by the investigator. Comparative observation of 1064 nm picosecond laser and 730 nm picosecond laser in the treatment of seborrheic keratosis

Comparative observation of 730 nm laser and 1064 nm laser in the treatment of seborrheic keratosis

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2300068064
Enrollment
Unknown
Registered
2023-02-06
Start date
2023-03-01
Completion date
Unknown
Last updated
2023-07-10

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

Conditions

Seborrheic keratosis

Interventions

730nm laser group:730nm, 3mm, 1.6-1.8j/cm^2,1-2passes
1064nm laser group:1064nm, 3mm, 1.6-2.4J/cm^2

Sponsors

Department of Dermatology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Participated in the test voluntarily and signed the informed consent form; 2. Follow-up can be carried out as planned; 3. Aged between 18 and 65; 4. The clinician diagnosed seborrheic keratosis.

Exclusion criteria

Exclusion criteria: 1. Local patients with Ota nevus, freckles, obvious post inflammatory pigmentation and other pigmentation diseases, as well as active diseases such as psoriasis and eczema may interfere with the clinical efficacy evaluator; 2. Current or previous skin cancer or precancerous lesions; 3. Pregnant women and those who are breastfeeding, and those who are preparing for pregnancy during the trial; 4. Patients with mental illness; 5. Those who have used retinoic acid preparations and whitening agents locally in the first three months; 6. Have received curettage or complete resection, freezing, electrolysis, chemical stripping or various laser devices within half a year; 7. People allergic to lidocaine; 8. Patients who cannot or refuse to follow up at the scheduled time.

Design outcomes

Primary

MeasureTime frame
Doctor's subjective score;

Secondary

MeasureTime frame
Self assessment of subjects;

Countries

China

Contacts

Public ContactMeng Wang

Department of Dermatology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College

wmm970301@163.com+86 19801160301

Outcome results

None listed

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