May 22, 2018. Everyone in this study will receive topical Pentamidine (TP) in a silicone based gel (PCCA Pracasil Plus). Topical treatment of Pentamidine is. THURSDAY, Aug. 3, 2017 (HealthDay News) — Scientists have created genetically altered skin cells that may control type 2 diabetes in lab mice. And they believe the general concept could someday be us. Learn more about Clinical Studies from Valley of the Sun Dermatology, a…