Phase Ia Clinical Trial of Protein Based Pneumococcal Vaccine

Conditions:   Pneumonia;   Respiratory Tract Diseases;   Respiratory Tract Infections Interventions:   Biological: Protein based pneumococcal vaccine(Low dose);   Biological: Protein based pneumococcal vaccine placebo(Low dose);   Biological: Protein based pneumococcal vaccine(Middle dose);   Biological: Protein based pneumococcal vaccine placebo(Middle dose);   Biological: Protein based pneu mococcal vaccine(High dose);   Biological: Protein based pneumococcal vaccine placebo(High dose) Sponsors:   CanSino Biologics Inc.;   Henan Center for Disease Control and Prevention Not yet recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials