This study is A multicenter, open-label, partial multiple-ascending doses phase1b/2 in which participants with chronic hepatitis B virus (HBV) infection will receive HT-101 and/or HT-102 and be assessed for safety, tolerability, Pharmacokinetics, and Pharmacodynamics. Approximately 86 patients with chronic hepatitis B infection were planned to be recruited. Among them, Group A and Group AA received HT-101 injection, administered once every 4 weeks (Q4W), at least for 24 weeks. Group B received HT-102 injection, administered Q4W for 24 weeks and sequential dosed with HT-101 for another 24 weeks. Groups C, D, and E received HT-101 injection combined with HT-102 injection, administered once every 4 weeks for 24weeks. During the study period, all subjects received nucleoside (acid) analogues (NAs) treatment.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
86
HT-101 given by subcutaneous injection.
HT-102 given by subcutaneous injection.
Beijing Ditan Hospital Capital Medical University
Beijing, Beijing Municipality, China
Xiamen Hospital of Traditional Chinese Medicine
Xiamen, Fujian, China
Guangzhou Eighth People's Hospital, Guangzhou Medical University
Guangzhou, Guangdong, China
Nanfang Hospital
Guangzhou, Guangdong, China
Qingyuan People's Hospital
Qingyuan, Guangdong, China
Shanghai Public Health Clinical Center
Shanghai, Shanghai Municipality, China
Sichuan Provincial People's Hospital
Chengdu, Sichuan, China
Clinically significant abnormalities
Number of subjects with clinically significant abnormalities in vital signs, electrocardiogram (ECG), and laboratory parameters graded by CTCAE v5.0.
Time frame: From enrollment to the end of treatment at up to 60 weeks
Incidence of adverse events (AEs) and serious adverse events (SAEs)
Number of subjects with adverse events (AEs) and serious adverse events (SAEs) assessed by the Common Terminology Criteria for Adverse Events (CTCAE) v5.0.
Time frame: From enrollment to the end of treatment at up to 60 weeks
Maximum Plasma Concentration (Cmax)
Cmax of HT-101 and its metabolite in plasma. First administration: Predose 1 hour; Postdose 0.5 hours, 2 hours, 4 hours, 6 hours, 8 hours, 12 hours, 24 hours. Changes in the concentration of and HT-102 in serum, From Day1 until 36 weeks
Time frame: HT-101: From predose 1 hour to postdose 24 hours HT-102:UP to 36 weeks
Time to Reach Maximum Plasma Concentration (Tmax)
Tmax of HT-101 and its metabolite in plasma. First administration: Predose 1 hour; Postdose 0.5 hours, 2 hours, 4 hours, 6 hours, 8 hours, 12 hours, 24 hours. Changes in the concentration of and HT-102 in serum, From Day1 until 36 weeks
Time frame: HT-101:From predose 1 hour to postdose 24 hours. HT-102:UP to 36 weeks
Area Under the Plasma Concentration Versus Time Curve (AUC)
AUC of HT-101 and its metabolite from time 0 to last measurable time. First administration: Predose 1 hour; Postdose 0.5 hours, 2 hours, 4 hours, 6 hours, 8 hours, 12 hours, 24 hours. Changes in the concentration of and HT-102 in serum, From Day1 until 36 weeks
Time frame: HT-101:From predose 1 hour to postdose 24 hours. HT-102:UP to 36 weeks
Apparent Terminal Elimination Half-life (T1/2)
T1/2 of HT-101 in plasma. First administration: Predose 1 hour; Postdose 0.5 hours, 2 hours, 4 hours, 6 hours, 8 hours, 12 hours, 24 hours. Changes in the concentration of and HT-102 in serum, From Day1 until 36 weeks
Time frame: HT-101:From predose 1 hour to postdose 24 hours. HT-102:UP to 36 weeks
Apparent Plasma Clearance (CL/F)
CL/F of HT-101 in plasma. First administration: Predose 1 hour; Postdose 0.5 hours, 2 hours, 4 hours, 6 hours, 8 hours, 12 hours, 24 hours. Changes in the concentration of and HT-102 in serum, From Day1 until 36 weeks
Time frame: HT-101:From predose 1 hour to postdose 24 hours. HT-102:UP to 36 weeks
Apparent volume of distribution(Vd/F)
Vd/F of HT-101. First administration: Predose 1 hour; Postdose 0.5 hours, 2 hours, 4 hours, 6 hours, 8 hours, 12 hours, 24 hours. Changes in the concentration of and HT-102 in serum, From Day1 until 36 weeks
Time frame: HT-101:From predose 1 hour to postdose 24 hours. HT-102:UP to 36 weeks
Maximum Change of Serum HBsAg From Baseline
Maximum change of serum HBsAg from Day 1 until 48 weeks post last dose (negative values mean reductions from baseline, positive values mean increased from baseline)
Time frame: Up to 48 weeks
Maximum Change of Serum HBV DNA From Baseline
Maximum change of serum HBV DNA from Day 1 until 48 weeks (negative values mean reductions from baseline, positive values mean increased from baseline).
Time frame: Up to 48 weeks
Titers of Anti-drug Antibody (ADA) to HT-102
ADA analysis for predose 36weeks
Time frame: UP to 36 weeks
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