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Poster Display session 3

3550 - ILLUMINATE 301: A randomized phase 3 study of tilsotolimod in combination with ipilimumab compared with ipilimumab alone in patients with advanced melanoma following progression on or after anti-PD-1 therapy

Date

30 Sep 2019

Session

Poster Display session 3

Presenters

Marcus Butler

Citation

Annals of Oncology (2019) 30 (suppl_5): v533-v563. 10.1093/annonc/mdz255

Authors

M.O. Butler1, C. Robert2, S. Negrier3, G.K. In4, J. Walker5, I. Krajsova6, V.G. Atkinson7, J. Hansson8, E. Kapiteijn9, C. Loquai10, H.M. Shaw11, T. Cheng12, S. Mansard13, J.J. Grob14, M. Guidoboni15, M. Mehta16, P.A. Ascierto17, A. Diab18

Author affiliations

  • 1 Division Of Medical Oncology And Hematology, Princess Margaret Hospital, M5G 2M9 - Toronto/CA
  • 2 Dermatology Department, Institut Gustave Roussy, 94805 - Villejuif/FR
  • 3 Department Of Medicine, Centre Léon Bérard, 69008 - Lyon/FR
  • 4 Skin Cancer Center, Norris Comprehensive Cancer Center, Los Angeles/US
  • 5 Oncology, University of Alberta Cross Cancer Institute, Edmonton/CA
  • 6 Dermatovenerologická Klinika, General Faculty Hospital, VFN Charles University, 128 08 - Prague/CZ
  • 7 Greenslopes Private Hospital, Gallipoli Medical Research Foundation, 4120 - Brisbane/AU
  • 8 Department Of Medical Oncology, Karolinska Institutet, 17177 - Stockholm/SE
  • 9 Endocrinology, Leids Universitair Medisch Centrum (LUMC), 2333 ZA - Leiden/NL
  • 10 Dermatology, Universitätsmedizin Mainz, 55131 - Mainz/DE
  • 11 Medical Oncology, University College London Hospital UCLH NHS Foundation Trust, NW1 2PG - London/GB
  • 12 Oncology, Tom Baker Cancer Centre, T2N 4N2 - Calgary/CA
  • 13 Dermatology And Cutaneous Oncology, CHU Estaing, 63003 - Clermont-Ferrand/FR
  • 14 Dermatology And Cutaneous Oncology, Hopital St. Marguerite Assistance Publique Hopitaux de Marseille, 13009 - Marseille/FR
  • 15 Immunotherapy, Istituto Tumori della Romagna I.R.S.T., 47014 - Meldola/IT
  • 16 Clinical Development, Idera Pharmaceuticals, 19341 - Exton/US
  • 17 Melanoma, Cancer Immunotherapy And Development Therapeutics Unit, Istituto Nazionale Tumori - IRCCS - Fondazione Pascale, 80131 - Napoli/IT
  • 18 Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, 77030-4095 - Houston/US
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Resources

Abstract 3550

Background

Tilsotolimod (IMO-2125) is a Toll-like receptor (TLR) 9 agonist with potent immunostimulating activity. In an ongoing phase I/II clinical study in patients with advanced melanoma who progressed on or after anti-PD-1 therapy (NCT02644967), intratumoral (IT) tilsotolimod with ipilimumab was well-tolerated, demonstrating durable responses (including complete response >21 months), dendritic cell activation, type I interferon response, CD8+ T-cell proliferation in responders, and an abscopal effect.1-2

Trial design

ILLUMINATE 301 (NCT03445533) is a randomized phase III global, multi-center, open-label study of IT tilsotolimod (8 mg) in combination with ipilimumab (3 mg/kg) versus ipilimumab monotherapy in patients with advanced melanoma and progression on or after anti-PD-1 therapy. Eligible patients are ≥18 years with histologically confirmed unresectable Stage III or Stage IV melanoma, ≥1 measurable lesion accessible for injection (superficial or visceral, the latter with image guidance), ECOG PS ≤ 1, and adequate organ function. Exclusion criteria include prior TLR agonists, prior ipilimumab (except adjuvant ≥12 weeks before progression), and CNS disease other than stable brain metastases. Patients are randomized 1:1 and stratified by duration of prior antiPD-1 (≥12 weeks vs < 12 weeks), stage (M1c vs other), and BRAF status/prior targeted therapy (TT) (BRAF wildtype vs BRAF mutation+ with TT vs BRAF mutation+ without TT). Primary endpoints are overall response rate (RECIST v1.1) by independent central review and overall survival. Secondary endpoints include durable response rate, time to response, progression-free survival, patient-reported outcomes, and safety. Patients are enrolling at sites in the United States, European Union, Australia, and Canada. References 1. Haymaker C. Society for Immunotherapy of Cancer Annual Meeting, November 2017, National Harbor, MD. 2. Diab A, et al. European Society of Molecular Oncology Annual Meeting, October 2018, Munich, Germany.

Clinical trial identification

NCT03445533.

Editorial acknowledgement

Ted Everson, Idera Pharmaceuticals, Inc.

Legal entity responsible for the study

Idera Pharmaceuticals, Inc.

Funding

Idera Pharmaceuticals, Inc.

Disclosure

M.O. Butler: Honoraria (self), Advisory / Consultancy, Speaker Bureau / Expert testimony, Research grant / Funding (self): Merck; Honoraria (self), Advisory / Consultancy: Bristol-Myers Squibb; Honoraria (self), Advisory / Consultancy: Novartis; Advisory / Consultancy: Immunovaccine; Advisory / Consultancy: Immunocore; Advisory / Consultancy: Adaptimmune; Advisory / Consultancy: EMD Serono; Advisory / Consultancy: GSK; Advisory / Consultancy: Genzyme; Honoraria (self): Roche; Research grant / Funding (self): Takara Bio. C. Robert: Advisory / Consultancy: Bristol-Myers Squibb; Advisory / Consultancy: Roche; Advisory / Consultancy: Merck; Advisory / Consultancy: Amgen; Advisory / Consultancy: Novartis; Advisory / Consultancy: Pierre Fabre; Advisory / Consultancy: Merck Serono. S. Negrier: Honoraria (self), Advisory / Consultancy, Travel / Accommodation / Expenses: Bristol-Myers Squibb; Honoraria (self), Advisory / Consultancy, Travel / Accommodation / Expenses: EUSA Pharma; Honoraria (self), Advisory / Consultancy, Research grant / Funding (institution), Travel / Accommodation / Expenses: Pfizer; Honoraria (self), Advisory / Consultancy, Research grant / Funding (institution), Travel / Accommodation / Expenses: Ipsen; Honoraria (self), Advisory / Consultancy, Research grant / Funding (institution), Travel / Accommodation / Expenses: Novartis. G.K. In: Advisory / Consultancy: Bristol-Myers Squibb. J. Walker: Honoraria (self), Advisory / Consultancy, Research grant / Funding (self): Merck Serono; Honoraria (self), Advisory / Consultancy: Bristol-Myers Squibb; Honoraria (self): Merck/MSD. V.G. Atkinson: Honoraria (self), Advisory / Consultancy, Speaker Bureau / Expert testimony, Travel / Accommodation / Expenses: Bristol-Myers Squibb; Honoraria (self), Advisory / Consultancy, Speaker Bureau / Expert testimony, Travel / Accommodation / Expenses: Merck/MSD; Honoraria (self), Advisory / Consultancy, Speaker Bureau / Expert testimony: Novartis; Honoraria (self), Advisory / Consultancy, Speaker Bureau / Expert testimony: Merck Serono; Honoraria (self), Advisory / Consultancy: Pierre Fabre; Honoraria (self), Advisory / Consultancy, Speaker Bureau / Expert testimony: Roche; Travel / Accommodation / Expenses: OncoSec. J. Hansson: Advisory / Consultancy: Novartis; Advisory / Consultancy: Roche; Advisory / Consultancy: Bristol-Myers Squibb. E. Kapiteijn: Advisory / Consultancy: Pierre Fabre; Advisory / Consultancy: Merck Serono; Advisory / Consultancy: Bristol-Myers Squibb; Travel / Accommodation / Expenses: Roche. C. Loquai: Honoraria (self), Advisory / Consultancy, Speaker Bureau / Expert testimony, Travel / Accommodation / Expenses: Roche; Honoraria (self), Advisory / Consultancy, Speaker Bureau / Expert testimony, Travel / Accommodation / Expenses: Amgen; Honoraria (self), Advisory / Consultancy, Speaker Bureau / Expert testimony, Travel / Accommodation / Expenses: Novartis; Honoraria (self), Advisory / Consultancy, Speaker Bureau / Expert testimony, Travel / Accommodation / Expenses: MSD; Honoraria (self), Advisory / Consultancy, Speaker Bureau / Expert testimony, Travel / Accommodation / Expenses: Pierre Fabre; Honoraria (self), Advisory / Consultancy, Speaker Bureau / Expert testimony, Travel / Accommodation / Expenses: Bristol-Myers Squibb; Honoraria (self), Advisory / Consultancy, Speaker Bureau / Expert testimony, Travel / Accommodation / Expenses: Merck Serono; Advisory / Consultancy, Travel / Accommodation / Expenses: Idera. H.M. Shaw: Advisory / Consultancy, Speaker Bureau / Expert testimony, Travel / Accommodation / Expenses: Bristol-Myers Squibb; Speaker Bureau / Expert testimony, Research grant / Funding (institution), Travel / Accommodation / Expenses: Novartis; Speaker Bureau / Expert testimony: Sanofi; Speaker Bureau / Expert testimony, Research grant / Funding (institution), Travel / Accommodation / Expenses: MSD; Research grant / Funding (institution), Travel / Accommodation / Expenses: Genmab; Research grant / Funding (institution), Travel / Accommodation / Expenses: Idera; Research grant / Funding (institution), Travel / Accommodation / Expenses: Roche; Research grant / Funding (institution), Travel / Accommodation / Expenses: Iovance Biotherapeutics. T. Cheng: Advisory / Consultancy: Bristol-Myers Squibb; Advisory / Consultancy: MSD. S. Mansard: Advisory / Consultancy: MSD; Advisory / Consultancy: Novartis; Travel / Accommodation / Expenses: Bristol-Myers Squibb; Travel / Accommodation / Expenses: Pierre Fabre. J.J. Grob: Honoraria (self), Advisory / Consultancy: Roche; Honoraria (self), Advisory / Consultancy, Speaker Bureau / Expert testimony, Travel / Accommodation / Expenses: Novartis; Honoraria (self), Advisory / Consultancy, Travel / Accommodation / Expenses: MSD; Honoraria (self), Advisory / Consultancy: Amgen; Honoraria (self), Advisory / Consultancy, Travel / Accommodation / Expenses: Pierre Fabre; Honoraria (self), Advisory / Consultancy: Sanofi; Honoraria (self), Advisory / Consultancy: Pfizer; Honoraria (self), Advisory / Consultancy, Travel / Accommodation / Expenses: Bristol-Myers Squibb; Honoraria (self), Advisory / Consultancy: Merck Serono. M. Mehta: Shareholder / Stockholder / Stock options, Full / Part-time employment: Idera Pharmaceuticals. P.A. Ascierto: Advisory / Consultancy, Research grant / Funding (institution): Bristol-Myers Squibb; Advisory / Consultancy, Research grant / Funding (institution), Travel / Accommodation / Expenses: Roche; Advisory / Consultancy: MSD; Advisory / Consultancy: Novartis; Advisory / Consultancy: Amgen; Advisory / Consultancy, Research grant / Funding (institution): Array BioPharma; Advisory / Consultancy: Merck Serono; Advisory / Consultancy: Pierre Fabre; Advisory / Consultancy: Newlink Genetics; Advisory / Consultancy: Genmab; Advisory / Consultancy: Incyte; Advisory / Consultancy: MedImmune; Advisory / Consultancy: AstraZeneca; Advisory / Consultancy: Syndax; Advisory / Consultancy: Sun Pharma; Advisory / Consultancy: Sanofi; Advisory / Consultancy: Idera; Advisory / Consultancy: Ultimovacs; Advisory / Consultancy: Sandoz; Advisory / Consultancy: Immunocore.A. Diab: Advisory / Consultancy, Research grant / Funding (institution), Travel / Accommodation / Expenses: Nektar; Advisory / Consultancy: CureVac; Advisory / Consultancy, Research grant / Funding (institution): Celgene; Research grant / Funding (institution): Idera; Research grant / Funding (institution): Pfizer. All other authors have declared no conflicts of interest.

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