| Withdrawn | Cefepime-taniborbactam vs Meropenem in Adults With VABP or Ventilated HABP NCT06168734 | Venatorx Pharmaceuticals, Inc. | Phase 3 |
| Completed | Steriwave ICU Pilot Study NCT06867458 | Fraser Health | N/A |
| Enrolling By Invitation | Pneumonia Pathogens' Virulence Factors, Patient Inflammatory Markers, and Their Associations With Outcomes NCT07011433 | Ruta Nutautiene | — |
| Recruiting | Dexamethasone for Treating Severe Hospital-acquired Pneumonia in Critically Ill Patients With a Proinflammator NCT06269900 | Nantes University Hospital | Phase 3 |
| Recruiting | Acyclovir in Ventilated Patients With Pneumonia and HSV-1 in BAL NCT06134492 | Jena University Hospital | Phase 3 |
| Recruiting | A Study to Learn About the Study Medicine Zavicefta After it is Released Into the Markets in Korea NCT05733104 | Pfizer | — |
| Recruiting | EaRly impAct theraPy With Ceftazidime-avibactam Via rapID Diagnostics NCT05979545 | National University of Singapore | Phase 4 |
| Not Yet Recruiting | Chinese Hospital Acquired Pneumonia Collaboration Network: Epidemiology, Diagnosis and Treatment NCT06028217 | Ruijin Hospital | — |
| Unknown | "Baricitinib for Treating Hospital-acquired Pneumonia in Critically Ill Patients With a Proinflammatory Phenot NCT05914584 | Nantes University Hospital | Phase 2 / Phase 3 |
| Completed | Feasibility Study of Contemporary Diagnostics for Patients With Suspected Hospital-Acquired Pneumonia. NCT05483309 | University of Liverpool | N/A |
| Completed | Use of Presepsin as a Marker for Immunotherapy Administration in Pneumonia NCT05785442 | Hellenic Institute for the Study of Sepsis | Phase 2 |
| Completed | Diagnostic Performance and Impact of a Multiplex PCR Pneumonia Panel in ICU Patients With Severe Pneumonia. NCT05624684 | Avicenna Military Hospital | — |
| Completed | Efficacy of Intravenous Amboxol Hydrochloride as an Adjunct Therapy for Severe Pneumonia in Critically Ill Pat NCT05663905 | National University of Malaysia | Phase 4 |
| Terminated | Real-World Study of Ceftazidime Avibactam in China NCT05487586 | Pfizer | — |
| Unknown | Hospital Acquired Pneumonia in Temporary Tracheostomy NCT05418517 | Guy's and St Thomas' NHS Foundation Trust | — |
| Completed | Efficacy and Safety of CAZ-AVI in the Treatment of Infections Due to Carbapenem-resistant G- Pathogens in Chin NCT04882085 | Pfizer | Phase 4 |
| Unknown | Comprehensive Molecular Diagnosis and Management of Hospital- and Ventilator-associated Pneumonia in Norway NCT04381247 | Vestre Viken Hospital Trust | — |
| Completed | Efficacy and Safety of Ceftazidime-Avibactam (CAZ-AVI) in Chinese Participants With HAP (Including VAP) NCT04774094 | Pfizer | Phase 4 |
| Completed | Identifying Risk Factors for Gram-negative Resistance for HAP/VAP in the Intensive Care Unit NCT04700202 | Methodist Health System | — |
| Completed | 0.12% Chlorhexidine Oral Care for the Prevention of Non-ventilator Hospital-acquired Pneumonia NCT04403971 | National Cheng-Kung University Hospital | N/A |
| Completed | HOspital NEtwork STudy - Preparation for a Randomized Evaluation of Anti-Pneumonia Strategies NCT05060718 | UMC Utrecht | — |
| Completed | Trial on a Strategy Combining Rapid Diagnostic Testing and Antimicrobial Stewardship to Improve Antibiotic Use NCT04153682 | Assistance Publique - Hôpitaux de Paris | N/A |
| Completed | Impact of Antimicrobial Stewardship on Outcomes of Patients With Hospital-acquired Pneumonia Due to Gram-negat NCT04937075 | Nantes University Hospital | — |
| Withdrawn | A Study of Meropenem-Vaborbactam Versus Piperacillin/Tazobactam in Participants With Hospital-Acquired and Ven NCT03006679 | Melinta Therapeutics, Inc. | Phase 3 |
| Completed | Effect of Angulus on Patient-elevation Compliance NCT03496220 | Angulus, LLC | N/A |
| Unknown | Comparison of Solid Organ Transplant NCT04055922 | Methodist Health System | — |
| Terminated | Modular Prevention Bundle for Non-ventilator-associated Hospital-acquired Pneumonia (nvHAP) NCT03361085 | University of Zurich | N/A |
| Completed | Hospital-acquired Pneumonia in Intensive Care Unit NCT03348579 | Nantes University Hospital | — |
| Completed | Does Cricoid Pressure Reduce the Risk of Aspiration? NCT02058004 | Mayo Clinic | N/A |
| Unknown | The Impact of Simultaneous Presence of Viral and Bacterial Pathogens on Therapy and Course of Severe Pneumonia NCT02203110 | University Medical Centre Ljubljana | — |
| Unknown | Efficacy and Safety of Colistimethate Sodium Injection Vial to Treat Hospital-acquired Pneumonia in Adults NCT01940731 | Chia Tai Tianqing Pharmaceutical Group Co., Ltd. | Phase 2 |
| Completed | HOME FIRST Pilot: a Study of Early Supported Discharge in Patients With Lower Respiratory Tract Infections NCT02454114 | Liverpool University Hospitals NHS Foundation Trust | N/A |
| Completed | Targeting Platelet-Leukocyte Aggregates in Pneumonia With Ticagrelor NCT01883869 | University of Kentucky | Phase 1 |
| Completed | Validity of Biological Material Sampling in Patients With Hospital-acquired Pneumonia NCT03039998 | University Hospital Olomouc | — |
| Completed | Early Mobility Bundle to Prevent Hospital Acquired Pneumonia (HAP) in Medical Inpatients NCT01769742 | University of Birmingham | N/A |
| Completed | E Test Strips Applied to Bronchoalveolar Lavage for Suspicion of Hospital-acquired Pneumonia to Accelerate Ant NCT01266863 | Université Victor Segalen Bordeaux 2 | N/A |
| Completed | Colistin and Rifampicin for MDR-Acinetobacter NCT01577862 | University of Campania Luigi Vanvitelli | Phase 3 |
| Completed | Evaluation of Patients With Methicillin-Resistant Staphylococcus Aureus Hospital-Acquired Pneumonia Treated Wi NCT01561469 | Pfizer | — |
| Terminated | Clinical Efficacy of Intravenous Iclaprim Versus Vancomycin in the Treatment of Hospital-Acquired, Ventilator- NCT00543608 | Arpida AG | Phase 2 |