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A COMPARISON OF INTENSE PULSED LIGHT AND Q-SWITCHED ND: YAG LASER FOR TREATMENT OF AXILLARY HYPERPIGMENTATION

A COMPARISON OF INTENSE PULSED LIGHT AND Q-SWITCHED ND: YAG LASER FOR TREATMENT OF AXILLARY HYPERPIGMENTATION

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
TCTR
Registry ID
TCTR20200714003
Enrollment
Unknown
Registered
2020-07-14
Start date
2020-01-16
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

Axillary hyperpigmentation Axillary hyperpigmentation Post inflammatory hyperpigmentation Q&#45

Interventions

Intense pulsed light with cut&#45
off filter 550 nm treat in one side of axilla 5 sessions every 2 weeks,Q&#45
switched Nd: YAG laser 1064 nm treat in another side of axilla 5 sessions every 2 weeks
Experimental Device,Active Comparator Device
Intense pulsed light,Q&#45
switched Nd: YAG laser

Sponsors

Faculty of medicine, Srinakarinwirot University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
20 Years to 60 Years

Inclusion criteria

Inclusion criteria: Axillary hyperpigmentation both side Difference skin color level between axilla and periaxilla area more than 2 level Fitzpatrick’s skin color type III-IV Patients have received research’s information and voluntarily signed the informed consent.

Exclusion criteria

Exclusion criteria: Any patients with systemic disease of hyperpigmentation e.g. Diabetes, Addison’s disease, Lentiginonosis syndrome (Peutz-Jeghers syndrome, Bandler syndrome, LEOPARD syndrome, Carney complex, Centrofacial lentiginosis), Acanthosis nigricans or skin diseases that correlated with abnormal hyperpigmentation e.g. Riehl melanosis, Lichen planus pigmentosus. Patients who have received heavy metals (e.g. silver), chemotherapy or anti- retroviral drugs that can cause hyperpigmentation. Pregnant or breastfeeding patient. Patients ongoing treatment with topical lightening agents e.g. vitamin C, hydroquinones and retinoids in 2 weeks prior to study or received laser treatment on axillar area 8 weeks prior to study. Patients with frozen shoulder, dermatitis which cannot be received laser treatments.

Design outcomes

Primary

MeasureTime frame
Melanin index baseline, week 2, week 4, week 6, week 8 and week 10 Mexameter MX-16—

Secondary

MeasureTime frame
Skin color level baseline, week 2, week 4, week 6, week 8 and week 10 Pantone Skintone guide—

Countries

Thailand

Contacts

Public ContactSalinee Rojhirunsakool

Skin center, srinakarinwirot university

salinee.roj@gmail.com0867863464

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026