CTIS2023-509573-23-00进行中（未招募）1 期
A Phase 2a, Open-Label Multiple Dose Study Evaluating the Safety, Tolerability, and Pharmacodynamics of Imdusiran (AB-729) in Combination with Intermittent Dosing of Durvalumab, a PD-L1 Monoclonal Antibody, in Subjects with Chronic HBV Infection - AB-729-203
适应症
试验速览
- 阶段
- 1 期
- 状态
- 进行中（未招募）
- 入组人数
- 30
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Interventional
入排标准
- 年龄范围
- 18 至 64（—）
- 性别
- All
入选标准
- •Subject must be 18 (or other appropriate age of consent) to 65 years of age, inclusive, at the time of signing the informed consent., Capable of giving signed informed consent, able to understand and comply with protocol requirements, instructions, and protocol-related restrictions, and likely to complete the study as planned., BMI =18 kg/m2 and =38 kg/m2, Male or female a. Male subjects: A male subject is eligible to participate if he does not have a female partner who is pregnant or who intends to become pregnant during the study. A male subject must agree to use contraception as detailed in Appendix 3 starting 4 weeks prior to Day 1, during the Treatment Period, and throughout the Follow-Up Period. If a male subject discontinues the study early, they should continue to follow the contraceptive guidance for 3 months after the last dose of study treatment, and refrain from donating sperm during this period. Male subjects should also be advised of the benefit for their female partners (who are woman of childbearing potential [WOCBP]) to use a highly effective method of contraception as detailed in Appendix 3. b. Female subjects: A female subject is eligible to participate if she is not pregnant, not breastfeeding, and at least one of the following conditions applies: i. Not a WOCBP as defined in Appendix 3 OR ii. A WOCBP who agrees to follow the contraceptive guidance in Appendix 3 starting 4 weeks prior to Day 1, during the Treatment Period, and the Follow-Up Period. If a female subject discontinues the study early, they should continue to follow the contraceptive guidance for 3 months after the last dose of study treatment., Documented chronic HBV infection: a. Positive HBsAg, HBV DNA, or HBeAg at least 6 months prior to the Screening Visit (historical documentation must be provided) and negative serum IgM anti-hepatitis B core-related antibody (HBcAb) at the Screening Visit., Subjects may be HBeAg-positive or HBeAg negative., HBsAg =1,000 IU/mL at Screening., Subjects must have HBV DNA , Liver ultrasound with absence of clinically significant abnormalities is required within 6 months prior to Day 1, All subjects must have assessment of fibrosis demonstrating non-cirrhotic status available at Screening. Non-cirrhotic subjects are defined by: a. Liver biopsy demonstrating a Metavir Fibrosis Score of F0-2 (or equivalent) within 12 months prior to Day 1 (liver biopsy results supersede Fibroscan® results); OR b. Fibroscan® result of =8.5 kPa within 6 months prior to Day 1
排除标准
- •Known co-infection with any of the following: a. HIV, b. HCV, c. Hepatitis D virus (HDV), International normalized ratio (INR) >ULN of the laboratory reference range., Any of the following hematologic criteria (growth factors may not be used to achieve study entry requirements): a. Neutrophils <1500/mm3 (African descent: <1200/mm3); OR b. Platelets <110,000/mm3., Estimated creatinine clearance <60 mL/min, calculated using the CKD-EPI (2021) formula. The formula can be found at https://www.kidney.org/professionals/kdoqi/gfr_calculator/. Age, gender, and creatinine must be entered. Cystatin is to be left blank., Poorly controlled Type 2 diabetes mellitus with whole blood hemoglobin A1c (HbA1c) =8%., Abnormal thyroid stimulating hormone (TSH) or free thyroxine (T4) values out of the laboratory reference ranges., Abnormal adrenocorticotropic hormone (ACTH) and/or cortisol values out of the laboratory reference ranges., Alpha fetoprotein (AFP) >10 ng/mL., Positive or repeatedly indeterminate value for QuantiFERON test (indeterminate tests should be confirmed with a repeat QuantiFERON test) in subjects without a history of adequately treated active or latent tuberculosis., Clinical diagnosis of substance abuse with alcohol, narcotics, or cocaine =12 months prior to the Screening Visit, except for those subjects monitored in an opioid substitution maintenance program., Previous treatment with an experimental HBV-directed RNA-interference (including imdusiran) or antisense oligonucleotide product. History of any other prior experimental HBV treatment must be approved by the Sponsor Medical Monitor., Any known preexisting medical or psychiatric condition that could interfere with the subject’s ability to provide informed consent or participate in study conduct, or that may confound study findings including, but not limited to: a. History of any clinically significant medical condition associated with chronic liver disease that may affect the ability to respond to HBV therapy. b. Immunologically mediated disease. c. Significant immunosuppression from, but not limited to, organ transplantation, immunodeficiency conditions such as common variable hypogammaglobulinemia or receipt of systemic immunosuppressive medications during the study or =6 months prior to the first dose of study treatment, including but not limited to: azathioprine, methotrexate, cyclosporine, rituximab, other chemotherapy, biologics and/or prednisone or equivalent steroid (>10 mg/day for >2 weeks). d. History of thyroid disease (hyper- or hypothyroidism). e. f. Known chronic or severe infection or recent significant exposure to infections such as tuberculosis or endemic mycosis or untreated latent infections (i.e., latent tuberculosis). g. Current or history of interstitial lung disease or pneumonitis h. History of long-COVID or severe COVID-19 infection necessitating ICU admission and/or invasive ventilation. i. Current or history of any clinically significant cardiac abnormalities/dysfunction such as congestive heart failure, myocardial infarction =6 months prior to the Screening Visit, pulmonary hypertension, complex congenital heart disease, significant arrhythmia, and/or active cardiac ischemia. j. Current uncontrolled hypertension or past medical history of hypertensive crisis. k. History of cirrhosis at any time, or evidence of decompensated liver disease including, but not limited to, a history or presence of clinical ascites, bleeding esophageal varices, hepatorenal sy
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