Elbimilast is a small molecule drug. The usage of the INN stem '-milast' in the name indicates that Elbimilast is a Phosphodiesterase-4 (PDE4) inhibitor. Elbimilast is under investigation in clinical trial NCT00977886 (Safety and Pharmacokinetics of ELB353 in Healthy Men). Elbimilast has a monoisotopic molecular weight of 442.04 Da.