 was one of the pharmacokinetic endpoints to confirm pharmacokinetic similarity between Melphalan HCl for Injection (Propylene Glycol-Free) and Alkeran for Injection in patients with multiple myeloma. Pharmacokinetic similarity was defined as a difference of 00% or less in the 00% confidence intervals (CIs) for the ratios of the pharmacokinetic parameters (calculated using log-transformed data) for the two formulations.  The 