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A Study of ELI-002 7P in Subjects With KRAS/NRAS Mutated Solid Tumors (AMPLIFY-7P)

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Elicio Therapeutics

Status and phase

Enrolling
Phase 2
Phase 1

Conditions

KRAS G12V
NRAS G12D
NRAS G12C
Pancreatic Ductal Adenocarcinoma
NRAS G12R
NRAS G12S
KRAS G12A
KRAS G12C
NRAS G12V
KRAS G13D
KRAS G12R
KRAS G12S
KRAS G12D
Colorectal Cancer

Treatments

Drug: ELI-002 7P

Study type

Interventional

Funder types

Industry

Identifiers

NCT05726864
ELI-002-201

Details and patient eligibility

About

This is a Phase 1/2 study to assess the safety and efficacy of ELI-002 7P immunotherapy (a lipid-conjugated immune-stimulatory oligonucleotide [Amph-CpG-7909] plus a mixture of lipid-conjugated peptide-based antigens [Amph-Peptides 7P]) as adjuvant treatment in subjects with solid tumors with mutated KRAS/NRAS. This study builds on the experience obtained with related product ELI-002 2P, which was studied in protocol ELI-002-001 under IND 26909.

Full description

The study consists of 3 phases: Phase 1A, Phase 1B, and Phase 2. In Phase 1A, seven Amph modified KRAS and NRAS peptides, G12D, G12R, G12V, G12A, G12C, G12S, G13D (Amph-Peptides 7P) will be evaluated in combination with recommended Phase 2 dose of Amph-CpG-7909 (10.0mg). This Amph-CpG-7909 dose will be evaluated with two Amph-Peptides 7P dose levels (1.4mg and 4.9mg) in 6 subjects per dose level. Following enrollment of these 12 subjects, the independent data monitoring committee (IDMC) will decide if another 6 subjects should be enrolled or if the dose can be determined for Phase 1B and Phase 2 portions of the study to be opened. If another 6 subjects are enrolled to Phase 1A, the IDMC will meet again to decide upon the dose for Phase 1B and Phase 2 prior to opening these portions of the study.

In Phase 1B, one dose expansion cohort of up to 17 colorectal cancer [CRC] subjects may be added to evaluate for preliminary evidence of biomarker response, including circulating tumor deoxyribonucleic acid (ctDNA) and/or serum tumor biomarker (such as CA19-9 and CEA) reduction and clearance in KRAS and NRAS.

In Phase 2, an additional 135 PDAC subjects will be randomized 2:1 (ELI-002 7P versus observation) to further evaluate antitumor activity. Subjects randomized to ELI-002 7P will receive subcutaneous (SC) injections of ELI-002 7P during Immunization and Booster Periods. Subjects randomized to observation will have the same safety and efficacy evaluations and will follow the same assessment schedule as subjects randomized to ELI-002 7P but will not receive study treatment. Subjects randomized to observation will be able to elect to cross-over to ELI-002 7P treatment in the event of confirmed disease progression.

Enrollment

156 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • KRAS/NRAS mutated (G12D, G12R, G12V, G12A, G12C, G12S, G13D) solid tumor
  • Phase 1 only: positive for circulating tumor DNA and/or elevated serum tumor biomarkers (such as CA19-9 and CEA) despite prior standard therapy including surgery and chemotherapy/radiation therapy where applicable
  • Screening CT is negative for recurrent disease
  • Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1

Exclusion criteria

  • Presence of tumor mutations where specific therapy is approved
  • Known brain metastases
  • Use of immunosuppressive drugs

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Sequential Assignment

Masking

None (Open label)

156 participants in 4 patient groups

Phase 1A: ELI-002 7P (Low Peptide dose)
Experimental group
Description:
ELI-002 Amph-CpG-7909 (10.0mg) admixed with ELI-002 Amph-Peptides 7P (1.4mg) administered via SC injection weekly for 4 consecutive weeks, followed by bi-weekly injections over 4 weeks, during the Immunization Period; additional SC injections for 4 consecutive weeks during the Booster Period (the two periods are separated by 2 months of no dosing)
Treatment:
Drug: ELI-002 7P
Phase 1A: ELI-002 7P (High Peptide dose)
Experimental group
Description:
ELI-002 Amph-CpG-7909 (10.0mg) admixed with ELI-002 Amph-Peptides 7P (4.9mg) administered via SC injection weekly for 4 consecutive weeks, followed by bi-weekly injections over 4 weeks, during the Immunization Period; additional SC injections for 4 consecutive weeks during the Booster Period (the two periods are separated by 2 months of no dosing)
Treatment:
Drug: ELI-002 7P
Phase 1B: ELI-002 7P
Experimental group
Description:
The ELI-002 7P dose selected during the Phase 1A portion of the study will be administered via SC injection weekly for 4 consecutive weeks, followed by bi-weekly injections over 4 weeks, during the Immunization Period; additional SC injections for 4 consecutive weeks during the Booster Period (the two periods are separated by 2 months of no dosing)
Treatment:
Drug: ELI-002 7P
Phase 2 randomized: ELI-002 7P
Experimental group
Description:
The ELI-002 7P dose selected during the Phase 1A portion of the study will be administered via SC injection weekly for 4 consecutive weeks, followed by bi-weekly injections over 4 weeks, during the Immunization Period; additional SC injections for 4 consecutive weeks during the Booster Period (the two periods are separated by 2 months of no dosing)
Treatment:
Drug: ELI-002 7P

Trial contacts and locations

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Data sourced from clinicaltrials.gov

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