Safety and Efficacy of a Triple Combination Cream as Adjuvant Treatment of Solar Lentigines With Cryotherapy.
To evaluate safety and efficacy of Tri-Luma® cream as an adjunctive treatment to cryotherapy when used in the pre- and post-procedure phases for the treatment of solar lentigines on the back of the hands and in the prevention of post-inflammatory hyperpigmentation after cryotherapy.
Solar Lentigines Treatment With the Triple Combination Cream (Hydroquinone 4%, Tretinoin 0.05%, and Fluocinolone Acetonide 0.01%). Randomized, Double Blind, Controlled Trial.
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.