Overview SK-1401 (rhGM-CSF Agent for Inhalation) GM-CSF Inhalation Pharmacokinetic Study Status: Completed Trial end date: 2017-09-01 Target enrollment: Participant gender: Summary Objective: Evaluate Pharmacokinetics and determine the safety of GM-CSF single dose inhalation. Study Design: Pharmacokinetic open study Phase: Phase 1 Details Lead Sponsor: Niigata University Medical & Dental HospitalTreatments: Sargramostim