A pilot study, The efficacy of topical 0.025% capsaicin gel in the treatment of lichen amyloidosis at Institute of dermatology, Thailand

Status

Recruiting

Phases

Phase 2

Study type

Interventional

Source

TCTR

Registry ID

TCTR20191213001

Enrollment

Unknown

Registered

2019-12-13

Start date

2019-12-02

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

1. The patient was diagnosed lichen amyloidosis on both lower legs 2. No Underlying disease more than Chronic kidney disease stage 4 lichen amyloidosis&#44

Interventions

The patient was splited leg to right and left side. Give the placebo for one side by randomized technique.,The patient was splited leg to right and left side. Give the treatment for one side by random

Placebo Comparator Drug,Active Comparator Drug

Placebo gel,Topical 0.025% capsaicin gel

Eligibility

Sex/Gender

All

Age

18 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1. The patient was diagnosed lichen amyloidosis with bilateral smymmetrical lesions on both lower legs 2. All sex groups, 18-75 years old 3. Off previous medication including NSAIDs, steroid and antihistamine at least 4 weeks

Exclusion criteria

Exclusion criteria: 1. History of anesthetic drugs allergy 2. Underlying disease; Asthma, Coronary artery disease, more than CKD stage 4 3. Chronic ulceration on lesion 4. Non-communication patient

Design outcomes

Primary

Measure	Time frame
The Efficacy (convex and thickness) of skin lesion after topical 0.025% capsaicin gel at 0,4,8,12 wks Assess from picture by 3 board certified dermatologist	—

Secondary

Measure	Time frame
The Efficacy (colors) of skin lesion after topical 0.025% capsaicin gel at 0,4,8,12 wks Assess from picture by 3 board certified dermatologist,The satisfy and pruritus symptoms after topical 0.025% capsaicin gel at 0,4,8,12 wks Self-assessment by the patient	—

Countries

Thailand

Contacts

Public ContactMonton Tanabodee

Institute of Dermatology, Bangkok, Thailand

monton_tana@hotmail.com0891041743

Outcome results

None listed

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

A pilot study&#44; The efficacy of topical 0.025% capsaicin gel in the treatment of lichen amyloidosis at Institute of dermatology&#44; Thailand