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Sai-Hong Ignatius Ou



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    Proffered Paper session III (ID 64)

    • Event: ELCC 2019
    • Type: Proffered Paper session
    • Track:
    • Presentations: 1
    • Moderators:
    • Coordinates: 4/12/2019, 08:30 - 10:00, Room A
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      107O - Crizotinib in advanced ROS1-rearranged non-small cell lung cancer (NSCLC): Overall survival (OS) and updated safety from PROFILE 1001 (ID 197)

      08:30 - 10:00  |  Author(s): Sai-Hong Ignatius Ou

      • Abstract
      • Presentation
      • Slides

      Background

      In the ongoing phase 1 PROFILE 1001 study (NCT00585195), crizotinib provided a meaningful clinical benefit for patients (pts) with advanced ROS1-rearranged NSCLC, as evidenced by a high objective response rate (72%) and rapid, substantial and durable responses (median duration of response, 18 months [mo]); in addition, crizotinib was well-tolerated (Shaw, N Engl J Med, 2014). Here, we present OS results and updated safety (additional follow-up >3 years) in these pts.

      a9ded1e5ce5d75814730bb4caaf49419 Methods

      Pts with histologically confirmed NSCLC containing ROS1 rearrangements were enrolled and treated with oral crizotinib 250 mg twice daily (BID). ROS1 status was assessed by fluorescence in situ hybridization or reverse transcriptase polymerase chain reaction.

      20c51b5f4e9aeb5334c90ff072e6f928 Results

      Between October 2010 and June 2018, 53 pts with ROS1-rearranged NSCLC were treated with crizotinib; median duration of treatment was 22 mo (95% confidence interval [CI]: 15, 36). At the time of data cutoff (June 30, 2018), 12 pts (22.6%) remained on treatment. A total of 26 deaths (49.1%) occurred over a median follow-up period of 63 mo. Median OS was 51 mo (95% CI: 29, not reached) and the probabilities of survival at 12, 24 and 48 mo were 78.8%, 67.0% and 50.7%, respectively. With a median treatment duration nearly 8 mo longer than that for the primary endpoint analysis and 30.2% of patients on treatment for more than 4 years, no new safety signals were noted. The most common grade 3 treatment-related adverse events (TRAEs; in ≥ 5% of pts) were hypophosphatemia (15.1%) and neutropenia (9.4%); no grade 4 TRAEs or treatment-related deaths were reported. With longer follow-up, there were no permanent discontinuations associated with TRAEs.

      fd69c5cf902969e6fb71d043085ddee6 Conclusions

      The results of the OS analysis and updated safety information from PROFILE 1001 continue to support the favorable benefit/risk profile of crizotinib 250 mg BID for the treatment of patients with advanced ROS1-positive NSCLC.

      b651e8a99c4375feb982b7c2cad376e9 Clinical trial identification

      NCT00585195.

      7a6a3ffa2dadc03a6151ee2c4d6fa383 Editorial acknowledgement

      Editorial assistance was provided by Vasupradha Vethantham, PhD, of inScience Communications, Springer Healthcare (New York, NY, USA), with funding from Pfizer, Inc.

      934ce5ff971f1ab29e840a35e3ca96e9 Legal entity responsible for the study

      Pfizer, Inc.

      213f68309caaa4ccc14d5f99789640ad Funding

      Pfizer, Inc.

      682889d0a1d3b50267a69346a750433d Disclosure

      A. Shaw: Fees for consulting/advisory board roles: ARIAD/Takeda, Blueprint Medicines, Daiichi Sankyo, EMD Serono, Foundation Medicine Genentech, Ignyta, KSQ Therapeutics, Loxo, Novartis, Pfizer, Roche, Taiho; Honoraria: Novartis, Pfizer, Roche; Research funding to institution: Daiichi Sankyo, Ignyta, Novartis, Pfizer, Roche/Genentech, TP Therapeutics. Y-J. Bang: Advisory boards: Astellas, AstraZeneca, Bayer, BeiGene, Bristol-Myers Squibb, Daiich-Sankyo, Eli Lilly, GreenCross, Genentech/Roche, Hanmi, Novartis,  Merck Serano,  MSD, Samyang Biopharm, Taiho; Research funding to institution: Astellas, AstraZeneca, Bayer, BeiGene, Bristol-Myers Squibb, Boeringer Ingelheim, Boston Biomedical, CKD Pharma, Curis, Daiichi Sankyo, Eli Lilly, FivePrime, Glaxo Smith-Kline, Genentech/Roche, Green Cross, MacroGenics, Merck Serano, MSD, Novartis, Pfizer, Ono, Takeda, Taiho. D.R. Camidge: Advisory boards: AbbVie, ARIAD, Array, Celgene, Clovis, Eli Lilly, G1 Therapeutics (DSMB), Genoptix, Ignyta, Mersana Therapeutics, Novartis, Orion, Roche/Genentech, Takeda; Research for investigator-initiated trials: ARIAD, Takeda. G.J. Riely: Funding to institution: Pfizer for the conduct of this research; Research support to institution: Novartis, Roche, Takeda. Compensated consultant: Genentech/Roche. G.I. Shapiro: Research funding to the Dana-Farber Cancer Institute: Pfizer for the conduct of the study; Advisory boards: Eli Lilly, G1 Therapeutics, Merck/EMD Serono, Roche, Pfizer, Vertex Pharmaceuticals. T. Usari, S.C. Wang, K. Wilner: Employee, holds stock: Pfizer. J.W. Clark: Institutional research funding: Pfizer. S-H.I. Ou: Fees for consulting/Advisory board: Pfizer; Research funding to institution: Eli Lilly, Merck/EMD Serono, Pfizer. All other authors have declared no conflicts of interest.

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