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Efficacy and Safety of Propranolol Gel for Infantile Hemangioma: A Randomized, Double-Blind Study

We aimed to evaluate the efficacy and safety of propranolol gel at various concentrations with infantile hemangiomas after proliferative phases. We designed a single-center, randomized, double-blind, dose-dependent trial with placebo control and randomized patients to receive propranolol gel at 0, 1...

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Bibliographic Details
Published in:Biological & pharmaceutical bulletin 2022/01/01, Vol.45(1), pp.42-50
Main Authors: Rikihisa, Naoaki, Takatsuka, Hirokazu, Suzuki, Takaaki, Shiko, Yuki, Kawasaki, Yohei, Hanawa, Michiko, Ishii, Itsuko, Mitsukawa, Nobuyuki
Format: Article
Language:English
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Summary:We aimed to evaluate the efficacy and safety of propranolol gel at various concentrations with infantile hemangiomas after proliferative phases. We designed a single-center, randomized, double-blind, dose-dependent trial with placebo control and randomized patients to receive propranolol gel at 0, 1, or 5%, twice daily for 24 weeks. The primary efficacy endpoint was the percentage change in redness of the tumors. Safety endpoints were skin characteristics changes and systemic symptoms. We made two comparisons to evaluate the superiority of 1 and 5% propranolol gels against placebo for primary endpoint analysis and used the t-test to compare parents’ satisfaction with these treatments. Initially, 19 patients were enrolled, but 8 were excluded from the analysis. We were underpowered to answer the question of efficacy. In the per-protocol set, we found similar results for the redness percentage change among the patients on placebo, 1 and 5% gel. However, the difference in redness before and after treatment suggested a slight decreasing trend of lesion’s redness as the propranolol concentration increased. The difference in parents’ satisfaction between the placebo and 5% propranolol gel groups was significant (p = 0.08). We observed no serious adverse events. We did not find an obvious dose-dependent effect for the propranolol gel treatment against infantile hemangiomas after the proliferative phase. However, external applications twice daily were less burdensome for parents and led to good compliances. It had a favorable safety profile in Japanese pediatric patients with infantile hemangiomas.
ISSN:0918-6158
1347-5215
DOI:10.1248/bpb.b21-00500