Study to Evaluate the Safety and PK of Elpida® in Healthy Subjects and Patients With Hepatic Impairment and to Assess the Impact of Food Intake and Drug-Drug Interactions With Other Antiviral Drugs

This is open label, phase 1 clinical study to evaluate the safety, tolerability and pharmacokinetics of Elpida® in healthy subjects and patients with hepatic impairment (Child - Pugh Class А and B), as well as to assess the impact of food intake and drug-drug interactions in case of Co-administration with other antiviral drugs in healthy subjects.