Study to demonstrate that administration of Venticute increases survival of patients with pneumonia or aspiration of gastric contents leading to intubation, mechanical ventilation, and severe oxygenation impairment.

Main inclusion criteria:

• Patient has been intubated due to one of the following primary pulmonary insults: aspiration of gastric contents or pneumonia

Main exclusion criteria:

• Principal source of infection or sepsis is outside the lung
• Severe pre-existing lung disease
• Cancer metastatic to the lung or any end stage malignancy
• History of lung, liver, pancreas, small bowel, or bone marrow/stem cell transplantation
• Patient is morbidly obese
• Patient has a diagnosis of acute necrotizing pancreatitis

Additional criteria may apply and examination by an investigator is required to determine eligibility.