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Comparative study on Efficacy of Toning and Fractional Picosecond Nd:YAG 1,064-nm Laser in post-acne erythema and Hyperpigmentation: A Prospective, randomized split-face study

Comparative study on Efficacy of Toning and Fractional Picosecond Nd:YAG 1,064-nm Laser in post-acne erythema and Hyperpigmentation: A Prospective, randomized split-face study

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
TCTR
Registry ID
TCTR20250519003
Enrollment
20
Registered
2025-05-19
Start date
2025-05-15
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

The post-acne erythema and hyperpigmentation who have even on both side of the face. Post-acne erythema, Post inflammatory hyperpigmentation, picosecond laser, lasers

Interventions

One side of the face will be treated with picosecond 1,064 nm laser in fractional mode utilized micro-lens array handpiece with low fluent for 3 times in every 2 weeks.,One side of the face will be tr
Active Comparator Procedure/Surgery,Experimental Procedure/Surgery
Fractional picosecond 1,064 nm laser,Toning picosecond 1,064 nm laser

Sponsors

Division of Dermatology, Department of medicine, Faculty of Medicine, Ramathibodi hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Participants must be older than 18 years old 2. Participants must have even post-acne erythema and hyperpigmentation even on both sides of the face 3. Participants may have active acne, but less than 10 lesions per sides and the size must less than 10 mm in diameter. And both side have the count acne lesions in the same amount within 3 lesions.

Exclusion criteria

Exclusion criteria: 1. Applying retinol within 7 days 2. Using isotretinoin within 30 days 3. Applying azelaic acid within 7 days 4. Using benzoyl peroxide within 7 days 5. Having severe acne, overall count more than 20 lesions or having more than 10 lesions on one side of the face or having one lesion in 10 or more mm size 6. having active skin diseases including skin infection, psoriasis, vitiligo on the face. 7. Having botulinum toxin treatment on the face within 6 past months 8. Having cosmetic treatments, lasers, peelings, microneedle radiofrequency, monopolar radiofrequency within 3 past months. 9. Pregnancy

Design outcomes

Primary

MeasureTime frame
Clinician erythema assessment scale 0, 2, 4, 8, 12, and 16 weeks One blinded dermatologist will receive the photographs of the patient and instruct to use the clinician erythema assessment scale.

Secondary

MeasureTime frame
General aesthetic improvement scale 0, 2, 4, 8, 12, and 16 One blinded dermatologist will receive the photographs of the patient and instruct to use the General aesthetic improvement scale .,mean redness score 8, 12, and 16 weeks The mean redness score was calculated from forehead, cheek, and lower cheek assessed by utilizing Antera3D imaging system.,Mean pigment score 8, 12, and 16 weeks The mean pigment score was calculated from forehead, cheek, and lower cheek assessed by utilizing Antera3D imaging system.,mean texture score 8, 12, and 16 weeks The mean texture score was calculated from forehead, cheek, and lower cheek assessed by utilizing Antera3D imaging system.,Pore 8, 12, and 16 weeks The pore will evaluated in average pore size, total pore counts by utilizing Antera3D imaging system,Pain score 0, 2, and 4 weeks The patient will receive the evaluation form in visual analog scale immediate after the laser treatment.,Patient satisfaction score at 8, 12, and 16 weeks The patient satisfaction score will be evaluated by using visual analog scale by comparing the before and after photographs.

Countries

Thailand

Contacts

Public ContactVasanop Vachiramon

Faculty of Medicine Ramathibodi hospital, Mahidol university

vasanop@gmail.com022011211

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026