Chronic Hepatitis b
Conditions
Brief summary
A Study to Investigate the Safety, Tolerability, Pharmacokinetics of Single and Multiple Doses of Hepenofovir Fumarate Tablets in Healthy Volunteers
Detailed description
It's a single-center,randomized, double-blind, placebo-controlled study. It will assess the safety, tolerability, and pharmacokinetics of single and multiple orally administered doses of Hepenofovir Fumarate Tablets in healthy adult subjects.
Interventions
Oral Tablet; Subjects will receive either a single dose of Hepenofovir Fumarate Tablets on Day 1 only (SAD), once daily dosing of HTS starting on Day 1 through Day 7 (MAD).
Placebo to match Hepenofovir Fumarate Tablets
Oral Tabet; Subjects will receive Hepenofovir Fumarate Tablets Dose4 on Day 1 in fast condition, then receive Hepenofovir Fumarate Tablets Dose4 on Day 8 in fed condition.
Sponsors
Study design
Eligibility
Inclusion criteria
* Able to understand the nature of the study, comply with the protocol, and provide informed consent. * Subjects willing to adhere to protocol requirements and to finish the study. * Subjects were willing to use methods of contraception from the time of screen to 6 months post the last dose administration. * Subjects aged between 18 and 55 years (both inclusive). * Subject's weight within normal range according to normal values for Body Mass Index (19.00 to 26.00 kg/m2 (both inclusive)) ,with minimum of 50 kg weight for male, 45 kg weight for famale. * Subjects with normal health as determined by personal medical history, clinical examination and laboratory examinations within clinically acceptable normal range.
Exclusion criteria
* History or presence of significant smoking (more than 5 cigarettes/day prior to 3 months the first dose of the study drug). * Hypersensitivity to different kinds of drugs and food. * Presence of significant alcoholism or drug abuse. * Volunteer who have donated blood or lose blood(\>450mL)within past 90 days prior to the first dose of the study drug. * Any treatment which could bring about induction or inhibition of hepatic microsomal enzyme system within 28 days prior to dosing of the study. * Use of any prescribed medication or OTC medicinal products during the last 14 days prior to dosing of the study. * Consumption of spcial food(including gragon fruit, mango, grapefruits) or strenuous excercise,or other factors which may effect the absorption,distribution,metabolism,excretion of drugs for within 2 weeks prior to dosing of the study. * Any treatment which could bring about induction or inhibition of CYP3A4. * Volunteer who have participation in a drug research study within past 90 days prior to the first dose of the study drug. * Difficulty in swallowing or other gastrointestinal disease or disorder. * Presence of an abnormal electrocardiogram (ECG), which was clinically significant. * Female subjects who were breast-feeding or had a positive pregnancy test at screening or at any time during the study. * Subjects with abnormal health as determined by personal medical history, clinical examination and laboratory examinations,which was clinically significant. * Subjects who, in the opinion of the Investigator, should not participate in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Safety measured by adverse events | Up to 6 Days in SAD Cohorts |