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临床试验/EUCTR2016-004625-16-GB
EUCTR2016-004625-16-GB进行中(未招募)1 期

A Phase 2, Open-label Study to Evaluate the Safety and Efficacy of Switching to Tenofovir Alafenamide (TAF) from Tenofovir Disoproxil Fumarate (TDF) and/or Other Oral Antiviral Treatment (OAV) in Virologically Suppressed Chronic Hepatitis B Subjects with Renal and/or Hepatic Impairment

Gilead Sciences, Inc.0 个研究点目标入组 120 人开始时间: 2017年8月16日最近更新:
适应症
相关药物

试验速览

阶段
1 期
状态
进行中(未招募)
入组人数
120

研究概览

简要总结

暂无简介。

研究设计

研究类型
Interventional clinical trial of medicinal product

入排标准

性别
All

入选标准

  • Subjects must meet all of the following inclusion criteria to be eligible to participate in the study:
  • All Subjects (Parts A and B):
  • 1) Must have the ability to understand and sign a written informed consent form; consent must be obtained prior to initiation of study procedures
  • 2) Adult male or non-pregnant female subjects, = 18 years of age based on the date of the Screening visit. A negative serum pregnancy test at Screening is required for female subjects of childbearing potential
  • 3) Documented evidence of chronic HBV infection (e.g. HBsAg positive for = 6 months)
  • 4) Normal ECG (or if abnormal, determined by the Investigator not to be clinically significant)
  • 5) ALT = 10 × upper limit of normal (ULN) at Screening by central laboratory
  • 6) Must be willing and able to comply with all study requirements
  • Part A Only (renal impairment):
  • 1) Maintained on TDF and/or other OAV treatment(s) for CHB for at least 48 weeks and with viral suppression (HBV DNA < LLOQ) for = 6 months prior to Screening
  • 2) Moderate renal impairment (30 mL/min = eGFRCG = 59 mL/min), severe renal impairment (15 mL/min = eGFRCG < 30 mL/min) using the Cockcroft-Gault equation, or ESRD (eGFR < 15 mL/min) maintained on HD
  • Part B Only (hepatic impairment):
  • 1) Maintained on TDF and/or other OAV(s) for CHB for at least 48 weeks and with viral suppression (HBV DNA < LLOQ) for = 6 months prior to Screening
  • 2) CPT score (Appendix 7) of 7-12 (inclusive) OR a past history of CPT score = 7 and any CPT score = 12 at Screening
  • 3) eGFRCG = 30 mL/min using the Cockcroft-Gault equation
  • Are the trial subjects under 18? no
  • Number of subjects for this age range:
  • F.1.2 Adults (18-64 years) yes
  • F.1.2.1 Number of subjects for this age range 84
  • F.1.3 Elderly (>=65 years) yes
  • F.1.3.1 Number of subjects for this age range 36

排除标准

  • All Subjects (Parts A & B):
  • 1) Pregnant women, women who are breastfeeding or who believe they may wish to become pregnant during the course of the study
  • 2) Males and females of reproductive potential who are unwilling to use an effective”, protocol-specified method(s) of contraception during the study
  • 3) Co-infection with HCV, HIV, or HDV
  • -Subjects who are HCV positive, but have a documented negative HCV RNA, are eligible
  • 4) Prior Interferon (IFN) use within 6 months of Screening
  • 5) Evidence of hepatocellular carcinoma (i.e. evidenced by imaging within 6 months of Screening)
  • 6) Received solid organ or bone marrow transplant
  • 7) Significant cardiovascular, pulmonary, or neurological disease in the opinion of the investigator
  • 8) Malignancy within 5 years prior to screening, with the exception of specific cancers that are cured by surgical resection (basal cell skin cancer, etc.). Subjects under evaluation for possible malignancy are not eligible
  • 9) Currently receiving therapy with immunomodulators (e.g. corticosteroids), nephrotoxic agents, or agents capable of modifying renal excretion
  • 10) Known hypersensitivity to study drugs, metabolites, or formulation excipients
  • 11) Current alcohol or substance abuse judged by the investigator to potentially interfere with subject compliance
  • 12) Any other clinical condition or prior therapy that, in the opinion of the Investigator, would make the subject unsuitable for the study or unable to comply with dosing requirements.
  • 13) Use of investigational agents within 3 months of Screening, unless allowed by the Sponsor
  • 14) Use of any prohibited medication
  • Part A Only (renal impairment):
  • 1) Current or historical evidence of clinical hepatic decompensation (e.g., ascites, encephalopathy or variceal hemorrhage)
  • 2) Abnormal hematological and biochemical parameters
  • 3) Subjects with ESRD (i.e. eGFRCG < 15 mL/min) not on HD, or those on other forms of renal replacement therapy (i.e. peritoneal dialysis)
  • Part B Only (hepatic impairment):
  • 1) Active variceal bleeding within 6 months or prior placement of a portosystemic shunt (such as transjugular intrahepatic portosystemic shunt [TIPS])
  • 2) History of hepatorenal syndrome, hepatopulmonary syndrome, Grade 3 or Grade 4 hepatic encephalopathy, or spontaneous bacterial peritonitis within 6 months of Screening
  • 3) Grade 2 hepatic encephalopathy at Screening
  • 4) MELD score = 30
  • 5) Abnormal hematological and biochemical parameters

研究者

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