The purpose of this study is to evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of PF-04427429 administered intravenously to healthy adult volunteers.

Phase 1 clinical trial

Inclusion Criteria:

• Healthy male subjects between the ages of 18 and 50 years, inclusive (Healthy is defined as no clinically relevant abnormalities identified by a detailed medical history, full physical examination, including blood pressure and pulse rate measurement, 12-lead ECG and clinical laboratory tests).
• Body Mass Index (BMI) of 17.5 to 30.5 kg/m2; and a total body weight of between 50 kg and 100 kg inclusive.
• Evidence of a personally signed and dated informed consent document indicating that the subject (or a legally acceptable representative) has been informed of all pertinent aspects of the trial.
• Subjects who are willing and able to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures.
• Willing and able to comply with the requirement for using the recommended highly effective contraceptive methods throughout the study.

Exclusion Criteria:

• Evidence or history of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, genitourinary, psychiatric, neurologic, or allergic disease (including drug allergies, but excluding untreated, symptomatic, seasonal allergies at time of dosing).
• Any condition possibly affecting drug absorption (eg, gastrectomy).
• History of febrile illness within 5 days prior to the first dose.
• A positive urine drug screen