Related Experiment Videos
Topical colchicine therapy for actinic keratoses
M Grimaître1, A Etienne, M Fathi
1Department of Dermatology, DHURDV, Geneva, Switzerland.
Dermatology (Basel, Switzerland)
|July 15, 2000
Summary
Topical 1% colchicine gel effectively treats actinic keratoses, with 70% of patients showing complete healing. This study confirms colchicine's efficacy for solar keratosis, noting localized side effects but no systemic absorption.
Area of Science:
- Dermatology
- Oncology
- Pharmacology
Background:
- Topical colchicine therapy for actinic keratoses was first documented in 1968.
- Actinic keratoses (AKs) are common pre-malignant skin lesions.
- Previous treatments like 5-fluorouracil and cryotherapy were often used for AKs.
Purpose of the Study:
- To evaluate the safety and efficacy of a 1% colchicine gel for treating actinic keratoses.
- To confirm the therapeutic potential of topical colchicine in dermatology.
- To assess systemic absorption of colchicine during topical application.
Main Methods:
- A double-blind, placebo-controlled study involving 20 patients with scalp actinic keratoses.
- Patients received either a 1% colchicine gel or a placebo gel twice daily.
- Efficacy, erythema, and systemic absorption were monitored over 60 days.
Main Results:
- Complete healing of actinic keratoses was observed in 70% of patients treated with colchicine gel.
- Localized side effects like burning and itching occurred in the colchicine group.
- No evidence of systemic absorption of colchicine was detected through blood tests.
Conclusions:
- The study confirms the efficacy of 1% colchicine gel for treating actinic keratosis.
- Topical colchicine demonstrates significant therapeutic activity for solar keratoses.
- Further research comparing colchicine with other topical treatments is warranted.