A Drug-Drug Interaction study to assess the effects of EDP-235 on the Pharmacokinetics and Safety of midazolam, caffeine and rosuvastatin.

Inclusion Criteria:

• An informed consent document signed and dated by the subject
• Healthy male and female subjects of any ethnic origin between the ages of 18 and 55 years, inclusive
• Screening body mass index (BMI) of 18 to 30 kg/m2 with a minimum body weight of 50 kg
• Female subjects of childbearing potential must agree to use two effective methods of contraception from the date of Screening until 90 days after the last dose of EDP-235. A male participant who has not had a vasectomy and is sexually active with a woman of childbearing potential must agree to use effective contraception from the date of Screening to 90 days after his last dose of study drug.

Exclusion Criteria:

• Clinically relevant evidence or history of illness or disease
• Pregnant or nursing females
• History of febrile illness within 7 days prior to the first dose of study drug or subjects with evidence of active infection
• A positive urine drug screen at Screening or Day -1
• Current tobacco smokers or use of tobacco within 3 months prior to Screening.
• Any condition possibly affecting drug absorption (e.g., gastrectomy, cholecystectomy)
• History of regular alcohol consumption
• Participation in a clinical trial within 30 days prior to the first dose of study drug
• History of drug allergy to midazolam, caffeine, or rosuvastatin