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Keep this study
Lead
Transgene
Age
18–65
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
18 through 65 years of age, inclusive
Patients must be undetectable for neutralizing antibodies to Adenovirus serotype 5 (Ad5) (PART A ONLY)
Negative serum β-HCG (for women of childbearing potential only; women of non-childbearing potential are defined as a woman who has been postmenopausal for ≥ 2 years or who had had a hysterectomy, bilateral oophorectomy, or medically documented ovarian failure)
Female patients of childbearing potential must be willing to use double effective methods of contraception (e.g. two of the following: hormonal contraception, condom or occlusive cap, intrauterine device (IUD) or intrauterine system (IUS), male sterilisation, or true abstinence) through 3 months after the last IMP administration; male patients must agree to use a double effective method of contraception (e.g. two of the following: hormonal contraception, condom or occlusive cap, IUD or IUS, male sterilisation, or true abstinence) during heterosexual intercourse with a partner capable of becoming pregnant throughout 3 months after the last IMP administration
Currently on treatment for HBV monoinfection (any HBV genotypes) for at least 2 years with either the nucleos(t)ide analogue TDF or ENT
A history of HBV DNA \< 20 IU/mL for at least 6 months before entry and HBV DNA \< 20 IU/mL at screening.
HBsAg positive
HBeAg positive or HBeAg negative patients with HBV infection
Compensated liver disease; defined as direct or conjugated bilirubin ≤ 1.2 × ULN, PT/INR ≤ 1.2 × ULN, platelets ≥ 150,000/mm3, serum albumin ≥ 3.5 g/L, and no prior history of clinical hepatic decompensation (eg, ascites, jaundice, encephalopathy, variceal hemorrhage)
ALT ≤ 1.5 x ULN. Due to its biological variability, a re-test of the ALT parameter is allowed if the ALT value at screening does not exceed 10% of the 1.5 x ULN value and all other eligibility criteria are met. In this case, the ALT re-test can be performed no more than one month after the initial ALT screening assay and has to be confirmed within 2 weeks. Values of the two ALT assays re-tests have to be below 1.5 x ULN to include the patient. In case of re-test of the ALT parameter, all hematology and biochemistry parameters will be reassessed in parallel of the second ALT re-test to ensure that they are still matching TG1050.02 eligibility criteria.• Hemoglobin ≥ 10 g/L
Creatinine clearance \> 50mL/min
Neutrophils ≥ 1,500/mm3
Signed, written Independent Ethics Committee (IEC)-approved informed consent
You may not be if
Patients with any evidence of hepatocellular carcinoma or any other liver cancer
Patients with α-fetoprotein \> 50 ng/mL
Patients co-infected with human immunodeficiency virus (HIV), hepatitis C virus (HCV) or hepatitis Delta virus (HDV)
Patients with either a) medical history or evidence of cirrhosis who had any biopsy showing cirrhosis or any approved non-invasive test indicative of cirrhosis as documented in the medical source documents; OR b) either of the following at screening: transient elastography score ≥ 10.5 kPa OR a Fibrotest® Fibrosure® score of ≥ 0.48 and an aspartate aminotransferase platelet ratio Index (APRI) of ≥1. Note: If a biopsy or non-invasive test has never been performed or if a biopsy or non-invasive test has been performed but showed no cirrhosis, then b) must be followed at screening
Patients with a history of uncontrolled thyroid disease or abnormal thyroid stimulating hormone (TSH) levels at screening (defined as \< 0.8 × lower limit of normal \[LLN\] or \> 1.2 × ULN; patients are eligible with abnormal TSH levels if the free triiodothyronine (FT3) and free thyroxine (FT4) are within normal limits)
Significant concomitant medical disorder including active systemic infection or proven or suspected immunosuppressive disorder
History of immunodeficiency or autoimmune disease (including autoimmune hepatitis, or preexisting autoimmune or antibody-mediated disease)
Current or history of clinically significant oncologic, pulmonary, hepatic, gastrointestinal, renal, cardiovascular, metabolic, endocrine, neurologic, hematologic illness, major organ transplantation, or any other major medical disorder that, in the judgment of the investigator, would interfere with patient treatment, or preclude patient participation in this study; should be discussed case by case with the Sponsor
Pregnant or breast-feeding women
Prior treatment with an experimental gene therapy product or a gene therapy product
Prior participation in another research protocol involving an investigation medicinal product (IMP) within 4 months prior to TG1050/placebo injection
History of substance abuse, including alcohol abuse that in the judgment of the investigator would deem the patient as not be suitable for participation in the study
Patients unable or unwilling to comply with the protocol requirements
Patients with detectable or undetectable anti-Ad5 neutralizing antibodies are eligible (i.e. regardless of their pre-immunity to Ad5 nAb).
Clareo Health | Safety and Tolerability of TG1050: A Dose-finding Study
