Influenza Antiviral DAS-181-F04 in Healthy Adults

Inclusion Criteria

• •Male and female subjects in good health in the opinion of the site Principal Investigator (PI) or sub-investigator as determined by vital signs, medical history, and a physical exam. -Subjects must be able to verbalize understanding of the consent form, provide written informed consent and verbalize willingness to complete study procedures. -Be 18 to 45 years of age (inclusive), at the time of screening. -Subjects must have a Body Mass Index (BMI) of 17.5-35. Actual lower weight limit may be 50 kg, if BMI is in the range indicated. -No history of smoking in the past six months, regardless of clinical relevance. -Electrocardiogram (ECG) with no clinically significant abnormalities recorded at screening visit: PR interval within 120 and 200ms, QRS interval \< 120ms, and confirmed QTc interval \</= 440ms. -Blood pressure within normal limits (systolic 86 - 140mmHg; diastolic 50 - 90 mmHg) and heart rate between 45 and 100 beats per minute. -Chest X-ray shows no clinically significant abnormalities. -Forced expiratory volume in 1 second (FEV1) will be greater than 80% predicted; note: only one baseline value for FEV1 can be used to support inclusion criterion. -Negative Human Immunodeficiency Virus (HIV), HBSAg, and Hepatitis C Virus (HCV) antibody screening tests. -Negative screening tests for: marijuana, cocaine metabolite, amphetamines, opiates, PCP, barbiturates, benzodiazepines, and ethanol. -Subjects with the following laboratory criteria within provided range (see Appendix B): --Hemoglobin --White blood cell (WBC) and platelet count --Alkaline phosphatase (ALKP), total bilirubin, alanine aminotransferase (ALT), --Serum glucose; note: if a non-fasting glucose is performed and is abnormal, a fasting glucose measurement may be obtained in its place; if this is within the provided range, then subject may be enrolled. --Serum creatinine --Activated partial thromboplastin time (APTT) and fibrinogen -Urine glucose and blood tested by dipstick urinalysis are negative. Urine protein tested by dipstick is negative or trace. Menstruating females failing inclusion due to positive urine dipstick blood may be retested following cessation of menses. -Female subjects must be post-menopausal (one year or greater without menses), surgically incapable of childbearing, or agreeable to practicing abstinence or utilizing two effective methods of birth control during the study period and for 12 weeks after study product administration. Acceptable methods may include: --Intrauterine device --Spermicide --Barrier contraception --Hormonal contraception -A female subject must have had a negative serum pregnancy test during the screening visit and a negative urine pregnancy test within 24 hours of drug dosing. -If male, agrees to use medically accepted form of contraception from time of enrollment to 12 weeks after study product administration. -Agrees not to drink alcohol or participate in strenuous physical activity or exercise from 24 hours prior to Day -1 through the Day 6 follow-up visit.