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A Clinical Study of mRNA Vaccine (ABOR2014/IPM511) in Patients With Advanced Hepatocellular Carcinoma

An Open, Single-center, Multiple-dose, Dose-increasing and Dose-expanding Clinical Study to Observe and Evaluate the Safety, Tolerance, Immunokinetics and Preliminary Effectiveness of ABOR2014 Injection (IPM511) in the Treatment of Advanced Hepatocellular Carcinoma

Status
UNKNOWN
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05981066
Enrollment
48
Registered
2023-08-08
Start date
2023-07-10
Completion date
2025-12-31
Last updated
2023-08-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Advanced Hepatocellular Carcinoma

Keywords

mRNA vaccine

Brief summary

This is an open label, single-site, investigator-initiated trial designed to evaluate the safety, tolerability and preliminary efficacy of ABOR2014(IPM511) injection in relapsed/ refactory HCC.

Interventions

DRUGNeoantigen vaccine, I.M injection

Patients will receive a fixed applicable dose of ABOR2014(IPM511) administered.

Sponsors

Peking Union Medical College Hospital
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

1. Subjects who understand and voluntarily sign the informed consent form; 2. Male or female subjects ≥ 18 years old; 3. Patients with pathological or cytological evidence of locally advanced or hepatocellular carcinoma, who have failed or are intolerant of previous standard treatments; 4. At least one measurable lesion judged according to the RECIST version 1.1 standard. 5. Eastern Cooperative Oncology Group (ECOG) performance status score of 0-1 (inclusive); 6. Life expectancy ≥ 12 weeks; 7. HLA typing: A-02; 8. Laboratory tests at screening shall meet the following requirements: * Absolute neutrophil count (ANC) ≥ 1.5 × 10\^9/L; * Platelet count (PLT) ≥ 90 × 10\^9/L; * Hemoglobin (Hb) ≥ 90 g/L; * Total bilirubin (TBIL) ≤ 3 × ULN; * Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤ 5 × ULN; * Blood creatinine (Cr) ≤ 1.5 × ULN or creatinine clearance (calculated based on Cockcroft-Gault formula) ≥ 45 mL/min; * International normalized ratio (INR), prothrombin time (PT), and activated partial thromboplastin time (aPTT) ≤ 1.5 × ULN; * QTc interval (calculated based on Fridericia's formula) ≤ 450 ms for males and ≤ 470 ms for females; 9. For subjects with hepatitis B-related primary hepatocellular carcinoma (HBV-HCC) or hepatitis C-related primary hepatocellular carcinoma (HCV-HCC), those who are with the following conditions are eligible to be enrolled: * HBV-HCC: resolved HBV infection with concomitant antiviral therapy; * HCV-HCC: resolved or active HCV infection , where concomitant antiviral therapy may be given for active HCV infection; 9\. For patients of childbearing potential (male or female), effective contraceptive measures shall be taken during the study treatment and within 3 months after the last dose. For women of childbearing potential, a negative serum/urine HCG test result within 7 days prior to study enrollment shall be provided.

Exclusion criteria

1. Known allergy to any of the components of the investigational product; 2. History of topical treatment with mRNA products or treatment with mRNA vaccines; 3. Patients with a history of major operations within 4 weeks before the first dose, have a plan of major operations during the study (at the investigator's discretion); 4. History of anti-tumor therapies within 4 weeks before the first dose; 5. History of receiving immunosuppressive drugs within 4 weeks before the first dose, except for corticosteroid nasal sprays, inhalants, and systemic prednisone at a dose of ≤ 10 mg/day or similar drugs at equivalent doses; 6. History of organ transplant, bone marrow transplant, or hematopoietic stem cell transplant; 7. History of hemorrhagic diseases such as anaphylactoid purpura, Haemophilia and aplastic anemia; 8. History of live attenuated vaccines within 30 days before the first dose; 9. Central nervous system (CNS) metastases that are symptomatic, untreated, or require continuous treatment; 10. Toxicological events (except alopecia and pigmentation) have not recovered to baseline or NCI-CTCAE v5.0 grade 0-1 after prior anti-tumor therapies; 11. History of autoimmune disorders; 12. History of immediate hypersensitivity, eczema that cannot be controlled by topical corticosteroids, or asthma; 13. Uncontrollable concomitant diseases; 14. Active infections currently requiring systemic anti-infective therapy; active pulmonary tuberculosis; 15. Known history of human immunodeficiency virus (HIV) positive or treponema pallidum positive; 16. Patients with other conditions that are not suitable for participation in the study at the discretion of the investigator.

Design outcomes

Primary

MeasureTime frameDescription
Incidence and severity of adverse events (AE)up to 12 monthsAE assessed according to Common Terminology Criteria for Adverse Events version 5.0 (CTCAE v5.0).
Clinically significant abnormal changes in vital signsup to 12 months
Clinically significant abnormal changes in laboratory testsup to 12 months

Secondary

MeasureTime frameDescription
Duration of Response, DoRup to 12 monthsDoR is defined as time from first tumor response(partial or complete) until either radiogical disease progress, clinical/ symptomatic disease progression or death (whichever is sooner).
Progress Free Survival, PFSup to 12 monthsPFS is defined as time between the date of first dose of IPM511 and the date either radiogical disease progress, clinical/ symptomatic disease progression or death (whichever is sooner).
Overall Survival, OSup to 12 monthsOS is defined as time between the date of first dose of IPM511 and the date of death due to any cause.
Antigen-specific T-cell responses in peripheral bloodup to 12 monthsDetected by Tetramer or TCRseq or Enzyme-linked Immunospot Assay(ELISPOT)
Time of Maximum Plasma Concentration [Tmax] of IPM511up to 12 months
Half-time of Plasma Concentration [T1/2] of IPM511up to 12 months
Maximum Plasma Concentration [Cmax] of IPM511up to 12 months
Change of Circulating tumor DNA (ctDNA) status (every 6 weeks)up to 12 months
Objective Response Rate, ORRup to 12 monthsORR is Defined as the number of patients with a complete response (CR) or partial response(PR) .

Countries

China

Contacts

Primary ContactZhao haitao, Dr
zhaoht@pumch.cn010-69156114

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026