News/ R&D Sienna loses a quarter of its value over pivotal trial failure Piotr Wnuk Acne, dermatology, Sienna Biopharmaceuticals 0 Comment Sienna Biopharmaceuticals said on Monday (30th July) that two pivotal trials of its main experimental acne treatment did Share X Sienna loses a quarter of its value over pivotal trial failure https://pharmaphorum.com/news/sienna-loses-a-quarter-of-its-value-over-phase-3-trial-failure/
