Drug-drug Interaction Study to Evaluate the Effect of ISIS 681257 on Warfarin

Phase 1, Drug-Drug Interaction Study To Evaluate The Effect Of Multiple Doses Of ISIS 681257 40 mg Subcutaneous Injections On The Pharmacokinetics And Pharmacodynamics Of Warfarin In Healthy Subjects

This is a single center, open label, single sequence, two-treatment, two-period drug-drug interaction study to evaluate the effect of multiple doses of ISIS 681257 on the pharmacokinetics of a single dose of warfarin.

Inclusion Criteria:

• Motivated and available for duration of study and willing to adhere to protocol
• Males who are unable to procreate or agree to contraception throughout study
• Females who are postmenopausal or surgically sterile
• BMI between 18.5 and 30 kg/m2
• Weighing greater than or equal to 50kg
• Normal lab results
• No known diseases or significant findings on physical exam

Exclusion Criteria:

• Females of childbearing potential
• Reactions/infection at injection site
• Hypersensitivity to any drugs or similar drugs to those used in the study
• Conditions or disease that may interfere with study drug
• Any significant diseases
• Known history or familial history of bleeding disorders
• Drug dependency or abuse
• Illness within 28 days
• Previous exposure to other investigational drug within 28 days
• Blood donations within 28 days