Kirsch, B.; Dubois, J.; Zaiac, M.; Ahuja, S.; Chadha, D. A Multi-Center, Open-Label Extension Study to Assess the Long-Term Safety, Tolerability and Pharmacokinetics, and Explore the Efficacy of Sofpironium Bromide Gel, 15% Applied Topically to Children/Adolescents, 9-16 Years, With Primary Axillary Hyperhidrosis. J of Skin 2020, 4, s116.