| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated  | 
| Prevention of nosocomial pneumonia caused by Pseudomonas aeruginosa | 
 
 
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| E.1.1.1 | Medical condition in easily understood language  | 
| Prevention of Pseudomonas aeruginosa pneumonia occurring in the hospital | 
 
 
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| E.1.1.2 | Therapeutic area  | Diseases [C] - Bacterial Infections and Mycoses [C01] | 
| MedDRA Classification | 
| E.1.2 Medical condition or disease under investigation | 
| E.1.2 | Version  | 18.1 | 
 
| E.1.2 | Level  | LLT | 
 
| E.1.2 | Classification code  | 10051190 | 
 
| E.1.2 | Term  | Pneumonia Pseudomonas aeruginosa | 
 
| E.1.2 | System Organ Class  | 100000004862 | 
 
 
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| E.1.3 | Condition being studied is a rare disease  |  No  | 
| E.2 Objective of the trial | 
| E.2.1 | Main objective of the trial  | 
1. To evaluate the effect of MEDI3902 in reducing the incidence of nosocomial pneumonia caused by P aeruginosa
 2. To evaluate the safety of a single IV dose of MEDI3902 in mechanically ventilated patients | 
 
 
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| E.2.2 | Secondary objectives of the trial  | 
1. To evaluate the serum pharmacokinetics (PK) of MEDI3902
 2. To evaluate the serum anti-drug antibody (ADA) responses to MEDI3902
 3. To evaluate the effect of MEDI3902 in reducing the incidence of nosocomial pneumonia caused by P aeruginosa by mechanical ventilation status | 
 
 
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| E.2.3 | Trial contains a sub-study  |  No  | 
| E.3 | Principal inclusion criteria  | 
| Colonized with Pseudomonas aeruginosa in respiratory tract, expected to require prolonged intubation and mechanical ventilation, without any evidence of active pneumonia. | 
 
 
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| E.4 | Principal exclusion criteria | 
| Pseudomonas disease at randomisation; lung injury score consistent with pneumonia; current lung disease; currently receiving anti-pseudomonas antibiotics; moribund patients. | 
 
 
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| E.5 End points | 
| E.5.1 | Primary end point(s) | 
- Incidence of nosocomial pneumonia caused by P aeruginosa 
 
 - Treatment emergent adverse events (TEAEs) treatment emergent serious adverse events (TESAEs), adverse events of special interest (AESIs), and new onset chronic diseases (NOCDs) through 49 days postdose | 
 
 
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| E.5.1.1 | Timepoint(s) of evaluation of this end point | 
 | 
| E.5.2 | Secondary end point(s) | 
1. MEDI3902 serum concentration and PK parameters 
 2. MEDI3902 ADA response in serum 
 3. Incidence of nosocomial pneumonia caused by P aeruginosa while on mechanical ventilation
 4. Incidence of nosocomial pneumonia caused by P aeruginosa after mechanical ventilation is no longer required | 
 
 
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| E.5.2.1 | Timepoint(s) of evaluation of this end point | 
 | 
| E.6 and E.7 Scope of the trial | 
| E.6 | Scope of the trial | 
| E.6.1 | Diagnosis |  No  | 
| E.6.2 | Prophylaxis |  Yes  | 
| E.6.3 | Therapy |  No  | 
| E.6.4 | Safety |  Yes  | 
| E.6.5 | Efficacy |  Yes  | 
| E.6.6 | Pharmacokinetic |  Yes  | 
| E.6.7 | Pharmacodynamic |  Yes  | 
| E.6.8 | Bioequivalence |  No  | 
| E.6.9 | Dose response |  Yes  | 
| E.6.10 | Pharmacogenetic |  No  | 
| E.6.11 | Pharmacogenomic |  No  | 
| E.6.12 | Pharmacoeconomic |  Yes  | 
| E.6.13 | Others |  No  | 
| E.7 | Trial type and phase | 
| E.7.1 | Human pharmacology (Phase I) |  No  | 
| E.7.1.1 | First administration to humans |  No  | 
| E.7.1.2 | Bioequivalence study |  No  | 
| E.7.1.3 | Other |  No  | 
| E.7.1.3.1 | Other trial type description |  | 
| E.7.2 | Therapeutic exploratory (Phase II) |  Yes  | 
| E.7.3 | Therapeutic confirmatory (Phase III) |  No  | 
| E.7.4 | Therapeutic use (Phase IV) |  No  | 
| E.8 Design of the trial | 
| E.8.1 | Controlled |  Yes  | 
| E.8.1.1 | Randomised |  Yes  | 
| E.8.1.2 | Open |  No  | 
| E.8.1.3 | Single blind |  No  | 
| E.8.1.4 | Double blind  |  Yes  | 
| E.8.1.5 | Parallel group |  Yes  | 
| E.8.1.6 | Cross over  |  No  | 
| E.8.1.7 | Other |  No  | 
| E.8.2 |  Comparator of controlled trial | 
| E.8.2.1 | Other medicinal product(s) |  No  | 
| E.8.2.2 | Placebo  |  Yes  | 
| E.8.2.3 | Other |  No  | 
| E.8.2.4 | Number of treatment arms in the trial | 3 | 
| E.8.3 | 
                                The trial involves single site in the Member State concerned
                             |  No  | 
| E.8.4 |  The trial involves multiple sites in the Member State concerned  |  Yes  | 
| E.8.4.1 | Number of sites anticipated in Member State concerned | 3 | 
| E.8.5 | The trial involves multiple Member States |  Yes  | 
| E.8.5.1 | Number of sites anticipated in the EEA | 120 | 
| E.8.6 Trial involving sites outside the EEA | 
| E.8.6.1 | Trial being conducted both within and outside the EEA |  Yes  | 
| E.8.6.2 | Trial being conducted completely outside of the EEA |  No  | 
| E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned | 
| Austria | 
 
| Belgium | 
 
| Bulgaria | 
 
| Croatia | 
 
| Czech Republic | 
 
| France | 
 
| Germany | 
 
| Greece | 
 
| Hungary | 
 
| Israel | 
 
| Portugal | 
 
| Romania | 
 
| Spain | 
 
| Switzerland | 
 
| Turkey | 
 
| United Kingdom | 
 
 
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| E.8.7 | Trial has a data monitoring committee |  Yes  | 
| E.8.8 | 
                        Definition of the end of the trial and justification where it is not the last
                        visit of the last subject undergoing the trial
                     | 
| End of trial is last subject last visit | 
 
 
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| E.8.9 Initial estimate of the duration of the trial | 
| E.8.9.1 | In the Member State concerned years | 2 | 
| E.8.9.1 | In the Member State concerned months | 1 | 
| E.8.9.1 | In the Member State concerned days | 12 | 
| E.8.9.2 | In all countries concerned by the trial years | 2 | 
| E.8.9.2 | In all countries concerned by the trial months | 6 | 
| E.8.9.2 | In all countries concerned by the trial days | 0 |