| Not Yet Recruiting | Ceftriaxone Dosage for Non-Critical Community-Acquired Pneumonia NCT07537413 | University of Maryland, Baltimore | Phase 4 |
| Not Yet Recruiting | Study of Nogapendekin Alfa Inbakicept and iNKT Cells in Critically Ill Adults With Severe Community-Acquired P NCT07492875 | ImmunityBio, Inc. | Phase 3 |
| Not Yet Recruiting | Effect of tNGS on CAP Patients With Initial Treatment Failure NCT07472114 | Capital Medical University | N/A |
| Not Yet Recruiting | PromotIng Optimal Treatment for Community-acquired PNeumonia in EmErgency Rooms NCT07099976 | Jeffrey Pernica | N/A |
| Recruiting | Comparing Hydrocortisone and Prednisolone for Community Acquired Pneumonia (CAP) NCT06892197 | Copenhagen Respiratory Research | Phase 4 |
| Recruiting | Impact of a Multimodal Intervention on Antibiotic Prescribing for Respiratory Infections in Primary Care NCT07359287 | University Hospital, Caen | N/A |
| Not Yet Recruiting | OPT101 in Patients With Community Acquired Pneumonia (CAP) With Sepsis NCT06669403 | Op-T LLC | Phase 1 |
| Recruiting | Comparing Antibiotic Treatment Strategies for Children With Pneumonia in Outpatient Settings: (STAMPP) NCT06986148 | Ann & Robert H Lurie Children's Hospital of Chicago | N/A |
| Recruiting | ItAlian ReGistry Of pNeumoniA in immUnocompromised paTients (ARGONAUT) NCT06755814 | Societa Italiana di Pneumologia | — |
| Not Yet Recruiting | Local Antibiotic Delivery for Community Acquired Pneumonia NCT06859450 | Copenhagen Respiratory Research | Phase 2 / Phase 3 |
| Active Not Recruiting | Evaluation of Physical Capacity and Energy Requirements in Patients With Hypoxemic Acute Respiratory Failure NCT07178483 | Hospital Universitari de Bellvitge | — |
| Active Not Recruiting | Reducing Antibiotic Use by Implementation of Stewardship in Primary and Urgent Care NCT07217002 | Children's Hospital of Philadelphia | — |
| Active Not Recruiting | A Study to Learn About How Well the Prevnar 20 Vaccine Works for Pneumonia in People Who Are 65 Years and Olde NCT06782282 | Pfizer | — |
| Not Yet Recruiting | Clinical Trial of Fei Re Qing Granules in the Treatment of Elderly Community-Acquired Pneumonia NCT06747325 | Henan University of Traditional Chinese Medicine | N/A |
| Not Yet Recruiting | Clinical Characteristics and Outcome of Patients With Community Acquired Pneumonia NCT06716099 | Sohag University | — |
| Not Yet Recruiting | Targeting Vascular INflammation in Patients with Community-Acquired Pneumonia NCT06710080 | Ottawa Heart Institute Research Corporation | Phase 3 |
| Not Yet Recruiting | Clinical Impact of Rapid Molecular Testing for Pathogens in Patients With Severe Acute Respiratory Illness : A NCT06605352 | National Taiwan University Clinical Trial Center | N/A |
| Completed | Kinetics and Metabolism of Nicotinamide Provided as a Dietary Supplementation NCT07156929 | University Hospital Schleswig-Holstein | N/A |
| Enrolling By Invitation | Pneumonia Pathogens' Virulence Factors, Patient Inflammatory Markers, and Their Associations With Outcomes NCT07011433 | Ruta Nutautiene | — |
| Completed | Pneumococcal Community-Acquired Pneumonia Requiring Hospitalization Among Colombian Adults NCT07354425 | Universidad de la Sabana | — |
| Completed | Derivation and Validation of the Risk Evaluation Score for Pneumonia Involving Resistant Entities (RESPIRE) NCT07425561 | Azienda Ospedaliero-Universitaria Careggi | — |
| Completed | PCV13 Effectiveness Study Against Hospitalised VT Pneumococcal CAP in Adults 60 Years and Older NCT04613375 | Pfizer | — |
| Completed | How Does Medical Clown Intervention Affect the Length of Hospitalization in Children With Pneumonia NCT06750029 | Carmel Medical Center | N/A |
| Completed | Ceftobiprole in the Treatment of Pediatric Patients With Pneumonia NCT03439124 | Basilea Pharmaceutica | Phase 3 |
| Completed | Lower Respiratory Tract Infections Managed in Primary Care in France NCT07416266 | Hôpital Raymond Poincaré | — |
| Terminated | Efficacy of High Doses Penicillin V Versus High Doses Amoxicillin in the Treatment of Non-severe Pneumonia. NCT03208361 | Fundacio d'Investigacio en Atencio Primaria Jordi Gol i Gurina | Phase 3 |
| Completed | Study Evaluating Management of Patients With Community-Acquired Pneumonia (CAP) or Complicated Skin Infections NCT01293435 | AstraZeneca | — |
| Completed | Evaluation of Effectiveness of the Treatment After Repeated Administration of Klacid®SR NCT01130883 | Abbott | — |
| Completed | The Study Of Azithromycin Switch Therapy For Treatment Of Community Acquired Pneumonia (CAP) NCT00809328 | Pfizer | Phase 3 |
| Completed | Safety and Efficacy Study of Oxazolidinone to Treat Pneumonia NCT00640926 | Melinta Therapeutics, Inc. | Phase 2 |
| Completed | Ketek in CAP / AECB in Ambulatory Adult Patients NCT00546676 | Sanofi | Phase 4 |
| Completed | Intravenous Azithromycin Plus Intravenous Ceftriaxone Followed by Oral Azithromycin With Intravenous Levofloxa NCT00035347 | Pfizer | Phase 4 |