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Taking people in ChinaPhase 1

AHB-171 injection in healthy adults and people with chronic hepatitis B

Tests AHB-171 injection for safety in healthy adults and adults with chronic hepatitis B.

Plain-language title generated from the registry record
Registry title: A Phase I Clinical Study of AHB - 171 in Healthy Participants(HP) and Chronic Hepatitis B (CHB) Participants

Key facts

Where
Ch’ang-ch’un and Hangzhou, ChinaSee the 2 sites
Phase
Phase 1

Could this be for you?

Answer for yourself. This is not a decision: only the study team can say whether you can take part.

  • Are you between 18 and 65 years old?

Source: NCT07511218, who can take part

Where in China

  • Ch’ang-ch’unCh’ang-ch’un, ChinaTaking people
  • HangzhouHangzhou, ChinaTaking people

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?
Print a page for my doctor

Trial details

Who runs it
Ausper Biopharma Co., Ltd.
Trial code
NCT07511218
Record updated
21 July 2026
Original description
The goal of this clinical trial is to evaluate the safety, tolerability, immunogenicity and Pharmacokinetics (PK) characteristics of AHB-171 Injection in healthy participants (Part A) and participants with chronic hepatitis B (CHB, Part B), and assess its preliminary efficacy in CHB participants.Read full original descriptionShow less

A Phase I Clinical Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Preliminary Efficacy of AHB - 171 Injection in Healthy Participants (HP) and Chronic Hepatitis B(CHB) Participants

The goal of this clinical trial is to evaluate the safety, tolerability, immunogenicity and Pharmacokinetics (PK) characteristics of AHB-171 Injection in healthy participants (Part A) and participants with chronic hepatitis B (CHB, Part B), and assess its preliminary efficacy in CHB participants.

Inclusion: Healthy Participants:; Male or female participants, aged 18-55 years old (inclusive); Body mass index between 18.0 and 28.0 kg/m\^2 (inclusive); Laboratory safety tests during the screening period, 12-lead electrocardiogram (ECG), abdominal ultrasound, thyroid ultrasound, chest anteroposterior position, etc., are assessed by the investigatoras normal or abnormal without clinical significance; Female participants of childbearing potential must not be pregnant or lactating, must have a negative pregnancy test at screening, and must agree to use effective contraceptive methods and refrain from donating eggs from screening until 6 months after the last dose of the study drug; Male participants must agree to use highly effective contraceptive methods (to ensure effective contraception for their female partners of childbearing potential) and refrain from donating sperm from screening until 6 months after the last dose of the study drug. Liver and kidney function tests meet the requirements at the time of screening; CHB Participants:; Male or female participants, aged 18-65 years old (inclusive); Body mass index between 18.0 and 32.0 kg/m\^2 (inclusive); Participants who take effective contraceptive measures as required; HBsAg > 100 IU/mL and ≤ 3000 IU/mL, and HBV DNA < 100 IU/mL at screening; Have received stable treatment with NA for at least 6 months and stable on the same NA for at least 3 months before screening.

Exclusion: Currently participating in another study, or within 5 half-lives/3 months of the last dose of a previous investigational product; Acute infection (e.g., influenza, gastroenteritis) within 14 days; vaccination within 28 days prior to screening; Allergy to any investigational drug component; Abdominal skin issues that may affect drug injection/observation; Currently participating in another study, or within 5 half-lives/3 months of the last dose of a previous investigational product; Use of ASO, siRNA (oligonucleotide therapies), or interferon within 12 months; Allergy to any investigational drug component; Abdominal skin issues that may affect drug injection/observation; Presence diseases (cardiovascular, neurological, renal, immunological, metabolic, etc.) or malignant tumors.- Major surgery or severe trauma within the past 6 months; Heavy Smoking (> 5 cigarettes/day); history of drug/alcohol abuse; consumption of caffeine or alcohol within 48 hours before dosing; Positive for HBV, HCV, HIV, or syphilis; Any condition judged unsuitable by investigator; Presence of ascites, gastrointestinal bleeding, hepatic encephalopathy, or varices; History of transplantation, autoimmune diseases, or severe systemic diseases (besides chronic HBV); Major injury/surgery within 6 months, planned surgery during study, or acute infection within 14 days; HIV, HCV, or active syphilis infection; uncured hepatitis A, D, or E; Any condition judged unsuitable by investigator; Key laboratory result not suitable for clinical trial; Healthy Participants:; Blood donation/loss ≥400 mL or transfusion within 12 weeks, or plan to donate during study; Clinically significant ECG abnormality or TdP risk factors; CHB Participants:; History or suspicion of hepatocellular carcinoma (HCC); AFP > 50 ng/mL; Diagnosed or Suspected cirrhosis within 12 months; Blood donation/loss ≥400 mL or transfusion within 12 weeks, or plan to donate during study; Clinically significant ECG abnormality or TdP risk factors.

ClinicalTrials.gov NCT07511218