Cited by 69Cancer Immunotherapy and BiomarkersImmunotherapy and Immune ResponsesRNA Interference and Gene Delivery

A phase I study of mRNA-2752, a lipid nanoparticle encapsulating mRNAs encoding human OX40L, IL-23, and IL-36γ, for intratumoral (iTu) injection alone and in combination with durvalumab.

Patel, Manish R., Bauer, Todd Michael, Jimeno, Antonio, Wang, Ding, LoRusso, Patricia, Do, Khanh Tu, Stemmer, Salomon M., Maurice-Dror, Corinne +10 more·2020·Journal of Clinical Oncology

Abstract

3092 Background: mRNA-2752 is a novel mRNA-based therapeutic agent encoding OX40L T cell co-stimulator, IL-23 and IL-36γ pro-inflammatory cytokines. Here we present findings from a first-in-human study of iTu mRNA-2752 in solid tumor patients as monotherapy or in combination with durvalumab (durva). At the time of presentation, data will encompass the monotherapy escalation MTD/RDE along with the supporting translational work, and the available data in combination. Methods: iTu mRNA-2752 was administered every 2 weeks for up to 7 doses as monotherapy or in combination with durva in patients with advanced solid malignancy or lymphoma. Biomarker analyses include measurement of IL-23, IL-36γ and pro-inflammatory cytokine proteins in pre- and post-treatment tumor biopsies and plasma. PD-L1 immunohistochemistry was used to further characterize baseline status and changes to the TME with treatment. Results: As of 20 December 2019, 23 solid tumor patients have been treated either with mRNA-2752 alone (n = 14) or in combination (n = 9) and has been well tolerated with no dose limiting toxicities or related grade 3/4 toxicities. Of the 17 patients evaluated per RECIST and iRECIST, 1 had a PR (iRECIST), 6 had SD, and 10 had PD. The patient with a PR (52% tumor reduction) received 0.5 mg mRNA-2752 with durva, and had aPD-1/L1 naïve squamous-cell bladder carcinoma. Tumor shrinkage was observed in an additional 5 patients in injected and/or uninjected lesions in both monotherapy and combination. Preliminary biomarker data showed increased IL-23 and IL-36γ protein expression after 6-24 hours, and increased levels of downstream cytokines IL-22 and IL-6, respectively. Pro-inflammatory cytokines (e.g. IFN-γ, TNF-α) were also significantly increased at 1 day and 1-week post-treatment. Significant increases in PD-L1 expression predominantly in tumor-associated immune cells were observed after first dose and persisted up to 29 days after treatment. Conclusions: iTu mRNA-2752 given as monotherapy and in combination with durva is tolerable at all dose levels studied, and administration can be associated with tumor shrinkage. Analyses of tumor and plasma biomarkers suggest a sustained immunomodulatory effect of treatment that includes elevated IFN-γ, TNF-α, and PD-L1 levels. These data support the ongoing testing of the mRNA-2752/durva combination in the dose escalation part of the study. Clinical trial information: NCT03739931 .

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Crossref · 10.1200/jco.2020.38.15_suppl.3092

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  • mRNA-2752 was designed to induce a pro-inflammatory tumour microenvironment and to simultaneously strengthen T cell expansion, as well as memory responses.

    “mRNA-2752 was designed to induce a pro-inflammatory tumour microenvironment and to simultaneously strengthen T cell expansion, as well as memory responses215,216.”

    From Lipid nanoparticles for mRNA delivery (2021) · cites this paper as [216]

  • In 22 patients treated with mRNA-2752 (monotherapy: n = 15; combination: n = 7), six had stable disease, one had partial responses with 52% tumour reduction and five showed tumour shrinkage in treated and/or untreated sites.

    “In the 22 patients (monotherapy: n = 15; combination: n = 7), six had stable disease, one had partial responses with 52% tumour reduction and five showed tumour shrinkage in treated and/or untreated sites215,216.”

    From Lipid nanoparticles for mRNA delivery (2021) · cites this paper as [216]

  • mRNA-2752, a lipid nanoparticle formulated with mRNA encoding human OX40L, IL-23 and IL-36γ, entered clinical evaluation.

    “Encouraged by these results, mRNA-2752, a lipid nanoparticle formulated with mRNA encoding human OX40L, IL-23 and IL-36γ, entered clinical evaluation (NCT03739931)163,215,216.”

    From Lipid nanoparticles for mRNA delivery (2021) · cites this paper as [216]

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Authors
Patel, M. R., Bauer, T. M., Jimeno, A., Wang, D., LoRusso, P., Do, K. T., Stemmer, S. M., Maurice-Dror, C., Geva, R., Zacharek, S., Laino, A. S., Sun, J., Frederick, J., Zhou, H., Randolph, W., Cohen, P. S., Meehan, R. S., & Sullivan, R. J.
Affiliations
  • Florida Cancer Specialists/Sarah Cannon Research Institute, Sarasota, FL;
  • Sarah Cannon (US)
  • University of Colorado, Aurora, CO;
  • Henry Ford Hospital (US)
  • Yale University (US)
  • Brigham and Women's Hospital (US)
  • Rabin Medical Center (IL)
  • Medson Pharma, Petach Tikva, Israel;
  • Tel Aviv Sourasky Medical Center (IL)
  • Moderna Tx. Inc, Cambridge, MA;
  • Moderna Therapeutics (United States) (US)
  • Merck & Co., Inc., Rahway, NJ, USA (United States) (US)
  • Blueprint Medicines (United States) (US)
  • National Institutes of Health (US)
  • Massachusetts General Hospital (US)
Venue
Journal of Clinical Oncology
Published
2020-05-20
Volume
38
Issue
15_suppl
Pages
3092-3092
ISSN
  • 0732-183X (ISSN-L)
  • 1527-7755
OpenAlex
W3029730991
Cited by
69
References
0
Citations by year
2026: 3 · 2025: 15 · 2024: 11 · 2023: 14 · 2022: 15 · 2021: 11
Type
conference abstract
Language
en
Open access
closed
Locations
Journal of Clinical Oncology (publishedVersion)
Funders
Moderna Tx. Inc.
Topics
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
Keywords
lipid nanoparticle mRNA vaccine, OX40L, IL-23, IL-36γ, durvalumab, intratumoral injection, solid tumors, lymphoma, PD-L1 expression, tumor microenvironment, inflammatory cytokines, IL-22, interleukin-6, interferon-gamma, TNF-α

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