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Solar Lentigines Treatment With the Triple Combination Cream

2014-08-27 03:19:24 | BioPortfolio

Summary

Background

- Lentigines are usually the first sign of photoaging and may produce a significant impact on patients' quality of life.

- There is no a treatment of choice for this condition.

- Solar lentigines and melasma share similar physiopathologic characteristics.

- The triple combination (TC) cream (hydroquinone 4%, tretinoin 0.05%, and fluocinolone acetonide 0.01%) has been effective and safe for the treatment of melasma and other hyperpigmented lesions.

Hypothesis

* The TC cream will be effective and safe for the treatment of solar lentigines on the back of the hands.

Patients and methods

- 22 patients with solar lentigines were selected and their right hand or left hand were selected at random to be treated with either TC cream or tretinoin 0.05% cream once daily for up 12 weeks.

- Patients were instructed to apply both creams on the whole back of the hand and not only in the lentigines, and to use a broad-spectrum sunscreen (SPF 50+, UVA-PF 28) daily in both hands.

- Clinical assessments of Target Lesion Pigmentation, Physician's Global Assessment of Improvement and a Subject's Self-Assessment questionnaire were collected for data analysis at weeks 4, 8, and 12 after starting the treatment and 3 month post-treatment.

- Statistical methods: The ordinally scaled efficacy measures underwent rank transformation and were analyzed by analysis of variance to test the null hypothesis of no differences among treatments. We performed Mann-Whitney and Wilcoxon tests and the XLSTAT 2009 software was used.

Study Design

Allocation: Randomized, Control: Active Control, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Treatment

Conditions

Lentigo

Intervention

Triple combination cream, Tretinoin 0.05%

Location

Pontificia Universidad Católica de Chile
Santiago
Chile
6904413

Status

Completed

Source

Pontificia Universidad Catolica de Chile

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:19:24-0400

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Medical and Biotech [MESH] Definitions

Small circumscribed melanoses resembling, but differing histologically from, freckles. The concept includes senile lentigo ('liver spots') and nevoid lentigo (nevus spilus, lentigo simplex) and may also occur in association with multiple congenital defects or congenital syndromes (e.g., Peutz-Jeghers syndrome).

An important regulator of GENE EXPRESSION during growth and development, and in NEOPLASMS. Tretinoin, also known as retinoic acid and derived from maternal VITAMIN A, is essential for normal GROWTH; and EMBRYONIC DEVELOPMENT. An excess of tretinoin can be teratogenic. It is used in the treatment of PSORIASIS; ACNE VULGARIS; and several other SKIN DISEASES. It has also been approved for use in promyelocytic leukemia (LEUKEMIA, PROMYELOCYTIC, ACUTE).

A frozen dairy food made from cream or butterfat, milk, sugar, and flavorings. Frozen custard and French-type ice creams also contain eggs.

Compounds with two triple bonds. Some of them are CYTOTOXINS.

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