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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05867056
Other study ID # IMC-I109V-101
Secondary ID 2019-004212-64
Status Recruiting
Phase Phase 1
First received
Last updated
Start date August 12, 2020
Est. completion date December 15, 2024

Study information

Verified date March 2024
Source Immunocore Ltd
Contact Immunocore Medical Information
Phone 844-466-8661
Email medical.information@immunocore.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

IMC-I109V is an immune-mobilizing monoclonal T cell receptor (TCR) against viruses (ImmTAV®), a new class of bispecific protein therapeutics designed for the treatment of chronic hepatitis B virus (HBV) infection (CHB). This is the first in-human study of IMC-I109V in persons with CHB.


Description:

IMC-I109V-101 is a first-in-human (FIH) study designed to assess the safety, tolerability, and pharmacokinetic (PK) profile of IMC-I109V in single and multiple dose regimens and to provide a preliminary assessment of antiviral activity, when administered to virally suppressed hepatitis B e-antigen (HBeAg)-negative participants receiving long-term NA therapy. The aim of this study is to identify safe, tolerable, and clinically active dose (CAD) regimens of IMC-I109V for further clinical development. The IMC-I109V study is divided into 3 main parts: Part 1 - Single Ascending Dose (SAD); Part 2 - Multiple Ascending Dose (MAD), in HBeAg-negative CHB; Part 3 will evaluate safety, tolerability, antiviral activity, PK and anti-tumor efficacy of Multiple Ascending Doses of IMC-I109V in participants with HBV-associated hepatocellular carcinoma (HBV HCC) who are virally suppressed on NA therapy.


Recruitment information / eligibility

Status Recruiting
Enrollment 180
Est. completion date December 15, 2024
Est. primary completion date September 10, 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years to 65 Years
Eligibility Inclusion Criteria Parts 1 and 2: - =18 to 65 years old at time of informed consent - HLA-A*02:01 positive - Documented evidence of CHB based on one of the following: a. Positive HBsAg and HBV DNA at least 6 months prior to the Screening visit; OR b. Historical liver biopsy consistent with CHB infection. - Have been receiving entecavir and/or tenofovir (including tenofovir alafenamide) for =12months prior to screening and are willing to continue. - HBV DNA negative at screening - No history of liver cirrhosis AND prior assessment of fibrosis demonstrating non-cirrhotic status at screening - Participants of childbearing potential who are sexually active with a non-sterilized partner must agree to use highly effective methods of birth control from the trial screening date until 3 months after the final dose of the study intervention or longer if required by local regulations Part 3: - =18 years old at time of informed consent - HLA-A*02:01 positive - ECOG =1 - Locally advanced or metastatic and/or unresectable HCC with diagnosis confirmed by histology / cytology, or clinically by American Association for the Study of Liver Diseases criteria - Failed or intolerant of =1 systemic therapy - At least one measurable lesion (per RECIST 1.1) which is either not previously treated or, if treated, has clearly progressed prior to enrollment - Documented evidence of CHB based on one of the following: a. Positive HBsAg and HBV DNA at least 6 months prior to the Screening visit; OR b. Historical liver biopsy consistent with CHB infection - Life expectancy >3 months from time of enrolment - Have compensated cirrhosis with a Child-Pugh score = 7 (A or B7) - On entecavir and/or tenofovir (disoproxil fumarate or alafenamide) with HBV DNA <100IU/ml at screening; willingness to continue for at least 6 months after the last dose of study drug - Quantitative HBV surface antigen = 5,000 IU/mL at screening - Participants of childbearing potential who are sexually active with a non-sterilized partner must agree to use highly effective methods of birth control from the trial screening date until 3 months after the final dose of the study intervention or longer if required by local regulations Exclusion Criteria: Parts 1 and 2: - Pregnant or lactating persons - Known co-infection with any of the following: HIV, Hepatitis C virus, OR Hepatitis D virus - Changes in HBeAg status within 3 months prior to the screening visit - Known HBV genotype A - Gilbert's syndrome - Any known pre-existing medical or psychiatric condition that could interfere with the participant's ability to provide informed consent or participate in study conduct, or that may confound study findings including, but not limited to: Immunologically-mediated disease, e.g. inflammatory bowel disease (Crohn's disease, ulcerative colitis), rheumatoid arthritis, idiopathic thrombocytopenic purpura, systemic lupus erythematosus, scleroderma, or sarcoidosis within 5 years of the screening visit. - Current or history of any clinically significant cardiac abnormalities/dysfunction, e.g. congestive heart failure, myocardial infarction =6 months prior to the screening visit, pulmonary hypertension, complex congenital heart disease, significant arrhythmia, or active cardiac ischemia. - Evidence of decompensated liver disease including, but not limited to, a history or presence of clinical ascites, bleeding esophageal varices, hepatorenal syndrome, or hepatic encephalopathy. - Significant immunosuppression from, but not limited to immunodeficiency conditions such as common variable hypogammaglobulinemia - Evidence of active or suspected malignancy, or a history of malignancy =3 years prior to the screening visit (except adequately treated carcinoma in situ, basal cell carcinoma of the skin, or stage 0 HCC that has been treated). NOTE: Participants under evaluation for malignancy are not eligible - Receiving or planning to receive systemic immunosuppressive medications during the study or = 2 months prior to Day1, including but not limited to prednisone >10 mg/day (or equivalent), methotrexate, cyclosporine, or interferon. NOTE: Local steroid therapy is allowed (eg, inhaled, otic, ophthalmic, or intra-articular medications) - Use of any live vaccines against infectious diseases within 4 weeks of the first planned administration of study intervention or use of any non-live vaccines against infectious diseases within 2 weeks of the first planned administration of study intervention. - Treatment with any investigational drug or enrollment in any other clinical study = 3 months prior to Day1, or at any time during participation in the study. - Clinical diagnosis of substance abuse with alcohol, narcotics, or cocaine =12 months prior to the screening visit, except for those participants monitored in an opioid substitution maintenance program. Part 3: - Pregnant or lactating persons - Untreated or symptomatic CNS metastases - Significant ongoing toxicity from prior anticancer treatment - - Ascites requiring recurrent paracentesis - Inadequate washout from prior anticancer therapy - Prior cellular therapy for HBV-associated HCC - Known HBV genotype A - Decompensated liver disease - Surgical intervention or local / loco-regional therapy for HBV HCC within 28 days of planned first dose of study treatment - Active hepatitis C virus (HCV) infection - Untreated HIV infection - Significant secondary malignancy - Clinically significant lung, heart, or autoimmune disease - Ongoing requirement for immunosuppressive treatment - Prior solid organ or bone marrow transplant - Hypersensitivity to study drug or excipients, or pre-medications - Systemic antibiotics, vaccines or major surgery within 2-4 weeks prior to the first dose of study intervention - Out-of-range laboratory values, including ALT or AST > 3x upper limit of normal (ULN), total bilirubin and direct bilirubin > 1.5x ULN, Albumin = 28 g/L, International normalized ratio (INR) > 1.3

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
IMC-I109V Single Ascending Dose
Single dose administration of IMC-I109V
IMC-I109V Multiple Ascending Doses
Multidose administration of IMC-I109V
HBV HCC Module MAD
Multidose administration of IMC-I109V

Locations

Country Name City State
Australia St. Vincent's Hospital Fitzroy
Australia The Alfred Centre Melbourne
Denmark Aarhus University Aarhus
Hong Kong Queen Mary Hospital Hong Kong
Korea, Republic of Pusan National University Hospital Busan
Romania ARENSIA Exploratory Medicine Research Clinic Bucharest
Spain Hospital Universitari Vall d'Hebron de Barcelona Barcelona
Spain Hospital Ramón and Cajal Madrid
Taiwan Kaohsiung Medical University Chung-Ho Kaohsiung City
Taiwan Taipei Veterans General Hospital Taipei city
United Kingdom Chelsea and Westminster Hospital, Research and Development, Clinical Trials Facility London
United Kingdom Guy's Hospital, Dept. of Infectious Disease London
United Kingdom Nottingham University Hospitals NHS Trust Biomedical Research Centre Nottingham
United States University Hospitals Cleveland Medical Center Case Western Reserve Cleveland Ohio
United States University of Southern California Keck School of Medicine Los Angeles California

Sponsors (1)

Lead Sponsor Collaborator
Immunocore Ltd

Countries where clinical trial is conducted

United States,  Australia,  Denmark,  Hong Kong,  Korea, Republic of,  Romania,  Spain,  Taiwan,  United Kingdom, 

Outcome

Type Measure Description Time frame Safety issue
Primary Parts 1, 2, and 3: Incidence and treatment-emergent adverse events (TEAEs) Up to 30 days after the last infusion of study treatment
Primary Parts 1, 2, and 3: Incidence of serious adverse events (SAEs) Up to 30 days after the last infusion of study treatment
Primary Parts 1, 2, and 3: Incidence of adverse events (AEs) leading to treatment discontinuation Up to 30 days after the last infusion of study treatment
Primary Parts 1, 2, and 3: Incidence of dose-limiting toxicities (DLTs) Up to 30 days after the last infusion of study treatment
Primary Parts 1, 2, and 3: Changes in Vital Signs Number of participants with, and rate of, Grade 1, Grade 2, Grade 3, and Grade 4 (as applicable per NCI CTCAE v5.0) vital sign abnormalities. Up to 30 days after the last infusion of study treatment
Primary Parts 1, 2, and 3: Changes in electrocardiogram QTcF interval absolute values and changes from baseline. Up to 30 days after the last infusion of study treatment
Primary Parts 1, 2, and 3: Change in safety laboratory parameters Number of participants with, and rate of, Grade 1, Grade 2, Grade 3, and Grade 4 (as applicable per NCI CTCAE v5.0) laboratory abnormalities. Up to 30 days after the last infusion of study treatment
Secondary Parts 1, 2, and 3: Maximum drug concentration (Cmax) At designated timepoints up to 162 days post-dose
Secondary Parts 1, 2, and 3: Area under the plasma concentration versus time curve (AUC) At designated timepoints up to 162 days post-dose
Secondary Parts 1, 2, and 3: The time to reach maximum drug concentration (Tmax) At designated timepoints up to 162 days post-dose
Secondary Parts 1, 2, and 3: The elimination half-life (t1/2) At designated timepoints up to 162 days post-dose
Secondary Parts 1, 2, and 3: Incidence of anti-IMC-109V antibody formations At designated timepoints up to 162 days post-dose
Secondary Parts 1, 2, and 3: Antiviral Effects: HBsAg change from baseline Up to 280 days post-dose
Secondary Parts 1, 2, and 3: Antiviral Effects: HBcrAg change from baseline Up to 280 days post-dose
Secondary Parts 1, 2, and 3: Antiviral Effects: HBV RNA change from baseline Up to 280 days post-dose
Secondary Parts 1, 2, and 3: Antiviral Effects: HBsAb change from baseline Up to 280 days post-dose
Secondary Part 3 only: Objective response rate (ORR) as determined by RECIST v1.1 as assessed by the Investigator Up to ~52 months
Secondary Part 3 only: Overall survival (OS) as determined by RECIST v1.1 as assessed by the Investigator Up to ~52 months
Secondary Part 3 only: Progression-free survival (PFS) as determined by RECIST v1.1 as assessed by the Investigator Up to ~52 months
Secondary Part 3 only: Duration of response (DOR) as determined by RECIST v1.1 as assessed by the Investigator Up to ~52 months
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