Evaluation Freethiadine Tolerance in Healthy Subjects and Patients With Chronic Hepatitis B, Pharmacokinetics Characteristics and Antiviral Activity of Ⅰ Phase of Study
Hepatitis B, Chronic
About this trial
This is an interventional other trial for Hepatitis B, Chronic
Eligibility Criteria
Inclusion Criteria:
Health volunteer:
- Sign the informed consent form before the trial and fully understand the contents of the trial, the process and possible adverse reactions.
- subjects and must be 18 to 45 years of age inclusive.
- Body weight ≥ 45 kg and body mass index(BMI)between 18 and 28 kg / m^2, inclusive.
- Physical examination and vital signs without clinically significant abnormalities.
Patients with chronic hepatitis B:
- Sign the informed consent form before the trial and fully understand the contents of the trial, the process and possible adverse reactions.
- subjects and must be 18 to 65 years of age inclusive.
- Body mass index(BMI)between 18 and 32 kg / m^2, inclusive.
- No cirrhosis.
Exclusion Criteria:
Health volunteer:
- Use of >5 cigarettes per day during the past 3 months.
- History of alcohol abuse (14 units of alcohol per week: 1 unit = 285 mL of beer, or 25 mL of spirits or 100 mL of wine).
- Donation or loss of blood over 450 mL within 3 months prior to screening.
Patients with chronic hepatitis B:
- AFP>50 ng/mL.
- INR>1.5.
- Positive for Viral hepatitis C, HIV and syphilis.
Sites / Locations
- Southern Hospital of Southern Medical University
- The First Hospital of Jilin University
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Experimental
Placebo Comparator
Experimental
Active Comparator
Freethiadine tablets
Freethiadine placebo tablets
Freethiadine tablet
entecavir tablets
part 1(Health volunteer): single-Dose Study: There will be a total of 5 dose cohorts: 5 mg、10 mg、200 mg(food effect)、400 mg、600 mg; multiple-dose study: 100 mg、200 mg、300 mg、150 mg
part 1(Health volunteer): single-Dose Study: There will be a total of 5 dose cohorts: 5 mg、10 mg、200 mg(food effect)、400 mg、600 mg; multiple-dose study: 100 mg、200 mg、300 mg、150 mg
part 2(Patients with chronic hepatitis B): There will be a total of 4 dose cohorts:100 mg、200 mg(BID or QD)、300 mg
part 2(Patients with chronic hepatitis B): 0.5 mg