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Ventilator-associated pneumonia

Part of Pneumonia

7 published articles · Updated continuously

Clinical Trial Landscape

Clinical Trials for ventilator-associated pneumonia

20 trials tracked for ventilator-associated pneumonia: 5 in phase 3 or 4 and 2 with published results. The most-cited published study has 149 citations.

20Trials tracked
5Phase 3 & 4
0Recruiting
2With published results
Phase distribution
Phase 4 3 Phase 3 2 Phase 2 3 Phase 1 1 Other / NA 11
  1. Phase 3 Safety and Efficacy Study of Ceftolozane/Tazobactam to Treat Ventilated Nosocomial Pneumonia (MK-7625A-008) Completed · 149 cited
  2. Phase 3 A Study to Determine the Efficacy, Safety and Tolerability of Aztreonam-Avibactam (ATM-AVI) ± Metronidazole (MTZ) Versus Meropenem (MER) ± Colistin (COL) for the Treatment of Serious Infections Due to Gram Negative Bacteria. Completed · 129 cited
  3. Phase 4 Efficacy and Safety of CAZ-AVI in the Treatment of Infections Due to Carbapenem-resistant G- Pathogens in Chinese Adults Completed
  4. Phase 4 A Safety and Efficacy Study of Doripenem in Participants With Nosocomial Pneumonia, Complicated Intra-Abdominal Infections and Urinary Tract Infections Completed
  5. Phase 4 PROUD Study: A Prospective Study on the Usage Patterns of Doripenem in the Asia Pacific Region Completed
  6. Phase 2 An Effectiveness, Safety, and Microbiology Study of Doripenem in Patients With Nosocomial (Hospital-acquired) Pneumonia Completed
Show 14 more trials
  1. Phase 2 Strategies To Prevent Pneumonia 2 (SToPP2) Completed
  2. Phase 2 A Safety and Tolerability Study of Doripenem in Patients With Abdominal Infections or Pneumonia Completed
  3. Phase 1 Study of Biotene OralBalance Gel for Oral Care in Critically-Ill Mechanically Ventilated Neonates Completed
  4. N/A Pilot Study of Lateral Rotation Interventions for Efficacy and Safety in ICU Care Completed
  5. N/A Effect of Angulus on Patient-elevation Compliance Completed
  6. N/A Efficacy Study of a Novel Device to Clean the Endotracheal Tube Completed
  7. N/A Safe Critical Care: Testing Improvement Strategies Completed
  8. N/A Differences in Morbidity Between a Necessity Endotracheal Suctioning Protocol Versus a Routine Endotracheal Suctioning Completed
  9. N/A Impact of Using Mini-Bronchoalveolar Lavage as a Diagnostic Test for Ventilator-Associated Pneumonia Completed
  10. N/A Efficacy Study on Silver-coated ETT Cleaned With a Novel Device Completed
  11. N/A Trial of 2% Chlorhexidine Bathing on Nosocomial Infections in the Surgical Intensive Care Unit Completed
  12. N/A The Efficacy of Adjuvant Oral Care in Prevention of Ventilator Associated Pneumonia. Completed
  13. N/A A Efficacy and Safety Study of Nasal Prongs With Proprietary Surface Coating Aiming to Reduce Bacterial Colonization Completed
  14. N/A Chlorhexidine Gluconate Oral Care for Adults Experiencing Trauma Completed

Showing the 20 most-cited and recently-updated of 20 trials. Browse the full registry →

Trial data sourced from ClinicalTrials.gov. Counts describe the research landscape and are not a treatment recommendation. Informational only — not medical advice.

What the trials found Updated — new results For clinicians

Ventilator-associated pneumonia: what the trials found

Pharmacological management of ventilator-associated pneumonia includes several agents with documented clinical outcomes. Zavicefta (Ceftazidime-Avibactam) demonstrated a clinical cure rate of 59.3% in the mMITT population and 66.7% at end-of-treatment compared to 25.9% and 29.6%, respectively, in the comparator group 2. ATM-AVI showed clinical cure rates of 68.4% (ITT) and 72.9% (Micro-ITT) compared to 65.7% and 72.3% in its respective comparison groups 6.

Ceftolozane/tazobactam was evaluated for mortality, showing a 24.0% all-cause mortality rate at day 28 in the ITT population compared to 25.3% in the comparator group 5. Clinical response and cure rates for this intervention were approximately equal between groups (54.4% vs 53.3%) 5.

Doripenem was evaluated in multiple trials; clinical response at end-of-treatment varied across study arms, with results ranging from 20.8% to 71.2% 3. Clinical outcomes for doripenem also included data on APACHE II scores and rates of ICU or hospital readmission within 28 days post-treatment 4.

Infection control measures include the use of chlorhexidine gluconate, which was associated with a significantly lower incidence of nosocomial infections (15% vs 30%, p=0.049) and similar ICU lengths of stay [17, 18]. Additionally, ETT cleaning maneuvers were established as an intervention 13, and high-definition CT imaging was used to assess occlusion of extubated tubes 14.

Recent results — preliminary, needs further review

  • Comprehensive Oral Care is currently being evaluated in a new study 1.

For the clinician treating this condition

  • Zavicefta and ATM-AVI demonstrated higher clinical cure rates compared to their respective control groups in patients with ventilator-associated pneumonia.
  • Chlorhexidine gluconate significantly reduced the incidence of nosocomial infections compared to standard care.
  • Ceftolozane/tazobactam showed comparable mortality and clinical cure rates to its comparator group.

AI synthesis of 8 cited trials, updated Jun 29, 2026. Informational only — not medical advice; trial data sourced from ClinicalTrials.gov. How we use AI.

HCP Mode — summaries include clinical detail, trial data, and statistical outcomes.
Patient Mode — summaries use plain language, avoiding clinical jargon.

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Questions about ventilator-associated pneumonia

Do inhaled antibiotics improve clinical cure rates for ventilator-associated pneumonia?

The available sources do not directly test inhaled antibiotics for ventilator-associated pneumonia, so no firm conclusion can be drawn from them.

Full answer →
What is the new brain-lung-immune-microbiome model for understanding ventilator-associated pneumonia?

The Brain-Lung-Immune-Microbiome axis model explains ventilator-associated pneumonia (VAP) as a result of systemic immune failure and gut bacteria moving to the lungs, rather than just a mechanical issue with breathing tubes.

Full answer →