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Mini Oral session I

540 - Entrectinib in NTRK Fusion-Positive Non-Small Cell Lung Cancer (NSCLC): Integrated Analysis of Patients (pts) Enrolled in STARTRK-2, STARTRK-1 and ALKA-372-001

Date

11 Apr 2019

Session

Mini Oral session I

Presenters

Luis Paz-Ares

Citation

Annals of Oncology (2019) 30 (suppl_2): ii38-ii68. 10.1093/annonc/mdz063

Authors

L. Paz-Ares1, R.C. Doebele2, A.F. Farago3, S.V. Liu4, S.P. Chawla5, D. Tosi6, C.M. Blakely7, J.C. Krauss8, D. Sigal9, L. Bazhenova10, T. John11, B. Besse12, J. Wolf13, T. Seto14, E. Chow-Maneval15, C. Ye16, B. Simmons16, G.D. Demetri17

Author affiliations

  • 1 Hospital 12 de Octubre, 28041 - Madrid/ES
  • 2 University of Colorado, Aurora/US
  • 3 Massachusetts General Hospital, Boston/US
  • 4 Georgetown University, Washington/US
  • 5 Sarcoma Oncology Research Center, Santa Monica/US
  • 6 Medical Oncology Departement, Institut Du Cancer De Montpellier Inserm U1194, Montpellier University, Montpellier/FR
  • 7 University of California, San Francisco/US
  • 8 University of Michigan, Ann Arbor/US
  • 9 Scripps Clinic, La Jolla/US
  • 10 University of California, San Diego/US
  • 11 Dept Medical Oncology, Austin Health, Olivia-Newton John Cancer Institute, Heidelberg/AU
  • 12 Gustave Roussy Cancer Campus, Villejuif Cedex/FR
  • 13 University Hospital of Cologne, Cologne/DE
  • 14 National Kyushu Cancer Center, Fukuoka/JP
  • 15 Ignyta, Inc., San Diego/US
  • 16 Genentech, South San Francisco/US
  • 17 Dana-Farber Cancer Institute, Boston/US
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Abstract 540

Background

Neurotrophic receptor tyrosine kinase (NTRK) gene fusions lead to the expression of chimeric TRK proteins with constitutively activated kinase function, conferring oncogenic potential across several tumour types. Entrectinib is a CNS-active, potent inhibitor of TRKA/B/C and ROS1. We present integrated efficacy and safety data for entrectinib in NTRK fusion-positive (NTRK-FP) solid tumours focusing on pts with NSCLC.

Methods

Pts with locally advanced/metastatic NTRK-FP tumours (with or without baseline CNS disease) confirmed by nucleic acid-based methods, enrolled in global (>150 sites, 15 countries) phase 1/2 entrectinib trials (ALKA-372-001 [EudraCT 2012-000148-88], STARTRK-1 [NCT02097810], STARTRK-2 [NCT02568267]) were included. Disease burden was assessed per BICR using RECIST v1.1, after cycle 1 (4 wks) then every 8 wks. Primary endpoints: ORR, DOR by BICR. Secondary endpoints: PFS, OS, and safety.

Results

Outcomes in the total efficacy-evaluable population (n = 54; 10 tumour types, >19 histopathologies) are shown in the table; responses were seen in all tumour types, median PFS 11.2 mo. In the cohort of pts with NTRK-FP NSCLC (n = 10), BICR ORR was 70% (7/10). In NSCLC pts with CNS disease per investigator at baseline (n = 6), 4 had an intracranial response (2 complete, 2 partial); 1 had stable disease and 1 was not evaluable. In the safety population (68 pts with NTRK-FP solid tumors who received at least 1 dose of entrectinib), most treatment-related adverse events (TRAEs) were grade 1–2; grade 3: 32.4%, grade 4: 2.9%; no grade 5 TRAEs. TRAEs resulted in discontinuation in 4.4% and dose reduction in 39.7% of pts.

Conclusions

In this integrated analysis of global multicentre clinical trials, entrectinib was well tolerated and induced clinically meaningful, durable systemic and intracranial responses in pts with NTRK-FP solid tumours, including those with NSCLC. (Table).

Clinical trial identification

ALKA-372-001 = EudraCT 2012-000148-88 – start date: 2015, trials ongoing STARTRK-1= NCT02097810 – start date: 2014, active, not recruiting (last update 2018) STARTRK-2 = NCT02568267 – start date: 2015, recruiting (last updated 2018).

Editorial acknowledgement

Medical writing and editorial support was provided by Charlotte Kennerley, PhD of Gardiner-Caldwell Communications, Ashfield Healthcare Communications and sponsored by Roche in accordance with Good Publication Practice guidelines.

Legal entity responsible for the study

F. Hoffmann-La Roche.

Funding

Study Sponsor: Ignyta, Inc., a wholly owned subsidiary of F. Hoffmann-La Roche Ltd.

Disclosure

L. Paz-Ares: Honoraria: Lilly, MSD, BMS, Roche, PharmaMar, Merck, AstraZeneca, Novartis, BI, Celgene, Servier, Sysmex, Amgen, Incyte, Pfizer; Research: AZ, BMS, MSD; Advisory boards: Genomica; Scientific Chair/board member: Asociación Española Contra el Cáncer. R.C. Doebele: Sponsored research: Ignyta; Advisory boards: Roche, Ignyta, Takeda, AstraZeneca, Bayer; Stock ownership: Rain Therapeutics; Patent or biological material licensing fees: Ignyta, Abbott Molecular, Rain Therapeutics. A.F. Farago: Honoraria: Foundation Medicine, Clinical Care Options Oncology, Medical Learning Institute; Research: Ignyta, Loxo, AbbVie/Stemcentrx, PharmaMar, AZ, Novartis, Merck, BMS, Amgen; Consultant: Loxo, PharmaMar, AbbVie/Stemcentrx, Genentech, AZ, Bayer, Millennium. S.V. Liu: Research: Ignyta, Genentech, Pfizer, Threshold, Clovis, Corvus, Esanex, Bayer, OncoMed, Merck, Lycera, AZ, Molecular Partners, Rain Therapeutics; Advisory boards: Ignyta, Genentech, Pfizer, Takeda, Celgene, Lilly, Taiho, BMS, AZ, Regeneron, Merck. S.P. Chawla: Honoraria/research/Advisory boards: Amgen, Roche, GSK, Threshold Pharmaceuticals, CytRx Corporation, Ignyta, Immune Design, TRACON Pharma, Karyopharm Therapeutics, Sarc, Janssen. D. Tosi: Research funding: Novartis, Astellas, Janssen, Ipsen. C.M. Blakely: Research funding: Ignyta, Mirati, Novartis, Medimmune, Clovis. J.C. Krauss: Research funding: Boston Biomedical, AbbVie, Amgen, Isofol. D. Sigal: Advisory boards: Molecular Stethoscopye, Celularity, Curematch, Bayer; Research funding: Halozyme; Speakers bureau member: Celgene, Bayer; Stock ownership: BMS, Novartis, Halozyme. L. Bazhenova: Research funding: Beyongspring pharma; Stock ownership: EPIC Sciences; Advisory boards: Genentech, Takeda, AbbVie, Eli Lilly, Pfizer, AstraZeneca. T. John: Advisory boards: BMS, AstraZeneca, Boehringer Ingelheim, Takeda, Pfizer, Novartis, Merck, Ignyta, Roche. B. Besse: Research funding: AbbVie, Amgen, AstraZeneca, Biogen, Blueprint Medicines, BMS, Celgene, Eli Lilly, GSK, Ignyta, IPSEN, Merck KGaA, MSD, Nektar, Onxeo, Pfizer, Pharma Mar, Sanofi, Spectrum Pharmaceuticals, Takeda, Tiziana Pharma. J. Wolf: Advisory boards: AbbVie, AstraZeneca, BMS, Boehringer Ingelheim, Chugai, Ignyta, Lilly MSD, Novartis, Pfizer, Roche; Corporate sponsorship for research: BMS, MSD, Novartis, Pfizer. T. Seto: Honoraria/research: Astellas, AZ, Bayer, BMS, Chugai, Daiichi Sankyo, Eisai, Eli Lilly, Kissei, Kyowa HakkoKirin, Merck Serono, Mochida, MSD, Nippon, Novartis, BI, NipponKayakuOno, Pfizer, Roche, Sanofi, ShowaYakuhinKako, Taiho, Takeda, YakultHonsha, Verastem. E. Chow-Maneval: Employee: Ignyta. C. Ye, B. Simmons: Employee: Genentech. G.D. Demetri: Advisory boards: Blueprint Medicines, Merrimack Pharmaceuticals, G1 Therapeutics, Caris Life Sciences, Champions Oncology; Consultant: Novartis, Pfizer, EMD-Serono, Sanofi Oncology, Janssen Oncology, Ignyta, Roche, Loxo Oncology, Mirati Therapeutics, Epizyme, PharmaMar, Daiichi Sankyo, WIRB Copernicus Group, ZioPharm, Polaris Pharmaceuticals, M.J.Hennessey/OncLive, G1 Therapeutics, Caris Life Sciences, Champions Oncology, Bessor Pharmaceuticals, Erasca Pharmaceuticals; Consulting fees: Novartis, Pfizer, EMD-Serono, Sanofi Oncology, Janssen Oncology, Ignyta, Roche, Loxo Oncology, Mirati Therapeutics, Epizyme, PharmaMar, Daiichi Sankyo, WIRB Copernicus Group, ZioPharm, Polaris Pharmaceuticals, M.J.Hennessey/OncLive, Blueprint Medicines, Merrimack Pharmaceuticals, G1 Therapeutics, Caris Life Sciences, Champions Oncology; Research support: Bayer, Novartis, Pfizer, Janssen Oncology, Ignyta, Roche, Loxo Oncology, AbbVie, Epizyme, Adaptimmune, GlaxoSmithKline; Patent licensing fees: Novartis; Equity: Blueprint Medicines, Merrimack Pharmaceuticals, G1 Therapeutics, Caris Life Sciences, Champions Oncology, Bessor Pharmaceuticals, Erasca Pharmaceuticals.

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