A Phase II Study of Subcutaneously Injected PD-L1 Antibody ASC22 in Chronic Hepatitis B Patients
NCT ID: NCT04465890
Last Updated: 2024-12-02
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
PHASE2
207 participants
INTERVENTIONAL
2020-07-17
2024-08-09
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
SINGLE
Study Groups
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cohort1: Single dose ASC22 injection 0.3mg/kg
Single dose ASC22 Injection; Specification: 200mg/1ml/1bottle; Subcutaneous injection; once administration,0.3mg/kg dose of the drug once.
ASC22
200mg/1ml/1bottle
cohort2:Single dose ASC22 injection 1.0mg/kg
Single dose ASC22 Injection; Specification: 200mg/1ml/1bottle; Subcutaneous injection; once administration,1.0mg/kg dose of the drug once.
ASC22
200mg/1ml/1bottle
cohort3:Single dose ASC22 injection 2.5mg/kg
Single dose ASC22 Injection; Specification: 200mg/1ml/1bottle; Subcutaneous injection; once administration,2.5mg/kg dose of the drug once.
ASC22
200mg/1ml/1bottle
cohort4: Multiple dose ASC22 injection 1.0mg/kg
Multiple dose ASC22 injection; Specification: 200mg/1ml/1bottle; Subcutaneously administered once every 2 weeks , 4 received 1.0mg/kg, up to 24 weeks
ASC22
200mg/1ml/1bottle
cohort5: Multiple dose ASC22 injection 2.5mg/kg
Multiple dose ASC22 injection; Specification: 200mg/1ml/1bottle; Subcutaneously administered once every 2 weeks , 4 received 2.5mg/kg, up to 24 weeks
ASC22
200mg/1ml/1bottle
cohort4: Placebo sodium chloride injection A
Placebo saline injection; Specification: 90mg/10ml/1 bottle; Subcutaneously administered every 2 weeks (Q2W, known as one drug administration cycle), duration: once every 2 weeks (Q2W), up to 12 weeks. Based on the weight of the patients, an equal dose of placebo was administered according to the incoming dose group (1.0mg/kg).
sodium chloride
90mg/10ml/1 bottle
cohort5: Placebo sodium chloride injection B
Placebo saline injection; Specification: 90mg/10ml/1 bottle; Subcutaneously administered every 2 weeks (Q2W, known as one drug administration cycle), duration: once every 2 weeks (Q2W), up to 12 weeks. Based on the weight of the patients, an equal dose of placebo was administered according to the incoming dose group (2.5mg/kg).
sodium chloride
90mg/10ml/1 bottle
cohort6: Multiple dose ASC22 injection 1.0mg/kg
Multiple dose ASC22 injection; Specification: 200mg/1ml/1bottle; Subcutaneously administered once every 2 weeks , 4 received 1.0mg/kg, up to 24 weeks
ASC22
200mg/1ml/1bottle
cohort6: Placebo sodium chloride injection A
Placebo saline injection; Specification: 90mg/10ml/1 bottle; Subcutaneously administered every 2 weeks (Q2W, known as one drug administration cycle), duration: once every 2 weeks (Q2W), up to 12 weeks. Based on the weight of the patients, an equal dose of placebo was administered according to the incoming dose group (1.0mg/kg).
sodium chloride
90mg/10ml/1 bottle
Interventions
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ASC22
200mg/1ml/1bottle
sodium chloride
90mg/10ml/1 bottle
Eligibility Criteria
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Inclusion Criteria
2. Chronic hepatitis B patients with clear diagnosis of Hematology, etiology and clinical (for example: HBsAg positive for more than 6 months);
3. HBV-DNA turns negative after treatment with nucleoside (acid) drugs;
4. cohort1-5:HBsAg≤ 10000 IU/mL; cohort6: HBsAg≤ 100 IU/mL;
5. HBeAg negative;
6. The fertile female subjects or the fertile male subjects agreed to take contraceptive measures from 7 days before the first administration until 24 weeks after the end of the administration cycle of ASC22. The serum pregnancy test of fertile female subjects must be negative within 7 days before the first administration.
Exclusion Criteria
2. Fibrosis stage: Cirrhosis, portal hypertension, or advanced fibrosis (defined as Fibroscan≥9.5kPa or ARFI≥1.81m/sec or Fibrosis-4 (FIB-4)≥3.25 or METAVIR F≥3);
3. Liver cancer patients or blood AFP\>1×ULN;
4. cohort1-5：Patients who received interferon therapy within 6 months before the first administration; cohort6: Patients who received interferon therapy before the first administration;
5. Patients receiving immunosuppressive therapy within 3 months before the first administration (except interferon);
6. The investigator judges that the participants are not suitable for this study.
18 Years
65 Years
ALL
No
Sponsors
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Peking University First Hospital
OTHER
Beijing Clinical Service Center
OTHER
Ascletis Pharmaceuticals Co., Ltd.
INDUSTRY
Responsible Party
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Locations
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Peking University First Hospital
Beijing, , China
Countries
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Other Identifiers
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ASC-ASC22-II-CTP-01
Identifier Type: -
Identifier Source: org_study_id