PALO ALTO, Calif.--(BUSINESS WIRE)--KaloBios Pharmaceuticals, Inc., a privately held biopharmaceutical company, today announced that the company has completed dosing subjects in a U.S. Phase 1 clinical trial of its third drug candidate, KB003. The study is a placebo-controlled, single-dose, dose-escalation Phase 1 trial in healthy volunteers, with safety and immunogenicity as primary endpoints.