This is a Phase 1 study to assess the safety and efficacy of ELI-002 immunotherapy (a lipid-conjugated immune-stimulatory oligonucleotide \[Amph-CpG-7909\] plus a mixture of lipid-conjugated peptide-based antigens \[Amph-Peptides\]) as adjuvant treatment of minimal residual disease (MRD) in subjects with KRAS/neuroblastoma ras viral oncogene homolog (NRAS) mutated PDAC or other solid tumors.
This is a Phase 1 dose escalation study in which ELI-002 2P (Amph modified KRAS peptides, Amph-G12D and Amph-G12R admixed with admixed Amph-CpG-7909) will be evaluated, with plans to transition to the ELI-002 7P drug product containing all 7 Amph-Peptides (G12D, G12R, G12V, G12A, G12C, G12S, G13D) in future clinical trials. The study is an open-label, dose-escalation, 3+3 design in which approximately 18 subjects will be treated in 3 planned dose level cohorts. Increasing doses of Amph-CpG-7909 will be evaluated sequentially. Additional cohorts may be added to explore intermediate or higher dose levels based on cumulative safety review and preliminary review of pharmacodynamic responses. Safety and pharmacodynamic data will be evaluated and a recommended Phase 2 dose (RP2D) will be determined in consideration of a maximum tolerated dose (MTD) if observed.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
25
Amph-CpG-7909 admixed with Amph modified KRAS peptides (Amph-G12D and Amph-G12R) administered via SC injection weekly for 4 consecutive weeks, followed by bi-weekly injections over 4 weeks, during the Immunization Period; additional SC injections weekly for 4 consecutive weeks during the Booster Period (the two periods are separated by 3 months of no dosing)
City of Hope
Duarte, California, United States
University of California Los Angeles
Los Angeles, California, United States
University of Colorado
Aurora, Colorado, United States
University of Iowa
Iowa City, Iowa, United States
Massachusetts General Hospital
Boston, Massachusetts, United States
Washington University School of Medicine
St Louis, Missouri, United States
Northwell Health
Lake Success, New York, United States
Memorial Sloan Kettering Cancer Center
New York, New York, United States
Tennessee Oncology - Centennial Clinic
Nashville, Tennessee, United States
The University of Texas MD Anderson Cancer Center
Houston, Texas, United States
The Participant Incidence of Treatment-emergent Adverse Events Considered by the Investigator as Related to ELI-002
The safety of ELI-002 was monitored through adverse events, including those considered related to treatment by the investigator
Time frame: Adverse events were collected through 28 days after the last dose
The Proportion of Participants With Biomarker Reduction
A biomarker reduction was any decrease from baseline in circulating tumor DNA (ctDNA) and/or serum tumor antigen levels (carbohydrate antigen 19-9 \[CA19-9\] or carcinoembryonic antigen \[CEA\]).
Time frame: 6 months
The Proportion of Participants With Biomarker Clearance
Biomarker clearance was defined as no detectable ctDNA, CA19-9, or CEA at post-treatment time points.
Time frame: 6 months
The Proportion of Participants With Biomarker Reduction by Biomarker Type
A biomarker reduction was any decrease from baseline in ctDNA and/or serum tumor antigen levels (CA19-9 or CEA).
Time frame: 6 months
The Proportion of Participants With Biomarker Clearance by Biomarker Type
Biomarker clearance was defined as no detectable ctDNA, CA19-9, or CEA at post-treatment time points
Time frame: 6 months
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