Abstract 265TiP
Background
Patients with advanced cervical cancer comprise a high-risk, poor prognostic group. Vascular endothelial growth factor (VEGF) has emerged as a therapeutic target for these patients, though incorporation of the anti-VEGF agent bevacizumab to platinum- and taxane-based chemotherapy (CT) is associated with a modest OS benefit vs CT alone (median OS, 16.8 vs 13.3 mo; hazard ratio, 0.77, 95% CI, 0.62-0.95; P = 0.007; Tewari et al. Lancet. 2017). On the basis of an ORR of 14.3% (95% CI, 7.4-24.1) among 77 pretreated women with PD-L1–positive tumors in the cervical cancer cohort of KEYNOTE-158 (Chung et al. J Clin Oncol. 2019), the PD-1 inhibitor pembrolizumab was granted accelerated approval by the US FDA for patients with PD-L1–positive (combined positive score [CPS] of > 1) cervical cancer who had progressed during or after first-line CT. KEYNOTE-826 (NCT03635567) is a phase 3, randomized, double-blind, multinational study designed to evaluate the efficacy and tolerability of CT with or without pembrolizumab and/or bevacizumab in the first-line setting.
Trial design
Eligible patients with recurrent, persistent, or metastatic cervical cancer not previously treated with CT in a recurrent or metastatic setting who are not amenable to curative treatment will be randomized 1:1 to CT + pembrolizumab 200 mg or placebo every 3 weeks. The CT regimen (paclitaxel 175 mg/m2 + cisplatin 50 mg/m2 or carboplatin AUC 5, with or without bevacizumab 15 mg/kg) will be selected by the investigator before randomization. Stratification will be performed by metastasis status at diagnosis, planned bevacizumab use (yes/no), and tumor PD-L1 CPS (<1, 1 to < 10, or ≥ 10). Treatment will continue for ≤35 cycles (∼2 years) or until disease progression, unacceptable toxicity, or voluntary patient withdrawal. Primary endpoints are PFS per RECIST v1.1 (assessed by blinded independent central review) and OS. Secondary endpoints are ORR, duration of response, 12-month PFS, patient-reported quality of life, and safety. Enrollment is currently ongoing.
Clinical trial identification
NCT03635567.
Legal entity responsible for the study
Merck & Co., Inc.
Funding
Funding for this study was provided by Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, NJ, USA.
Disclosure
K. Fujiwara: Advisory / Consultancy, Research grant / Funding (institution): AstraZeneca; Honoraria (self), Advisory / Consultancy, Research grant / Funding (institution): Chugai Pharma; Honoraria (self), Advisory / Consultancy, Research grant / Funding (institution): Eisai; Advisory / Consultancy, Research grant / Funding (institution): Merck Sharpe & Dohme Corp.; Advisory / Consultancy, Research grant / Funding (institution): Pfizer; Honoraria (self), Advisory / Consultancy, Research grant / Funding (institution): Taiho Pharmaceutical; Advisory / Consultancy: Takeda; Honoraria (self): Bayer; Honoraria (self): Daiichi Sankyo; Honoraria (self): Janssen Oncology; Honoraria (self): Kyowa Hakko Kirin; Honoraria (self): Lilly Japan; Honoraria (self): Nippon Kayaku; Honoraria (self), Research grant / Funding (institution): Ono Pharmaceutical; Honoraria (self), Research grant / Funding (institution): Zeria Pharmaceutical; Research grant / Funding (institution): GlaxoSmithKline; Research grant / Funding (institution): Kaken Pharmaceutical; Research grant / Funding (institution): Immunogen; Research grant / Funding (institution): Lilly; Research grant / Funding (institution): Oncotherapeutics. R. Shapira-Frommer: Honoraria (self): MSD Oncology; Honoraria (self): Bristol-Myers Squibb; Honoraria (self): Novartis; Honoraria (self): Roche; Honoraria (self): AstraZeneca; Advisory / Consultancy: Vascular Biogenics; Advisory / Consultancy: Clovis Oncology. J. Alexandre: Honoraria (self): Roche/Genentech; Honoraria (self), Advisory / Consultancy: AstraZeneca; Honoraria (self), Advisory / Consultancy, Travel / Accommodation / Expenses: Novartis ; Honoraria (self): Sanofi/Aventis; Honoraria (self), Advisory / Consultancy: Ipsen; Advisory / Consultancy: Roche; Advisory / Consultancy: Sanofi; Research grant / Funding (institution), Travel / Accommodation / Expenses: Janssen. B. Monk: Advisory / Consultancy: AbbVie; Advisory / Consultancy: Advaxis; Advisory / Consultancy: Agenus; Advisory / Consultancy: Amgen; Advisory / Consultancy: AstraZeneca; Advisory / Consultancy: Biodesix; Advisory / Consultancy: Clovis Oncology; Advisory / Consultancy: Conjupro; Advisory / Consultancy: Genmab; Advisory / Consultancy: Gradalis; Advisory / Consultancy: ImmunoGen; Advisory / Consultancy: Immunomedics; Advisory / Consultancy: Incyte; Advisory / Consultancy: Janssen/Johnson&Johnson; Advisory / Consultancy: Mateon (formally Oxigene); Advisory / Consultancy: Merck; Advisory / Consultancy: Myriad; Advisory / Consultancy: Perthera; Advisory / Consultancy: Pfizer; Advisory / Consultancy: Precison Oncology. T. Fehm: Honoraria (self), Advisory / Consultancy: Novartis; Honoraria (self), Advisory / Consultancy: Roche; Honoraria (self), Advisory / Consultancy: AstraZeneca; Honoraria (self), Advisory / Consultancy: Pfizer. N. Colombo: Honoraria (self), Advisory / Consultancy: Roche/Genentech; Honoraria (self), Advisory / Consultancy: AstraZeneca; Honoraria (self): TESARO, Inc.; Honoraria (self), Advisory / Consultancy: PharmaMar; Advisory / Consultancy: Clovis Oncology; Advisory / Consultancy: Pfizer; Advisory / Consultancy: MSD Oncology; Advisory / Consultancy: Takeda; Advisory / Consultancy: TESARO, Inc.; Advisory / Consultancy: BioCad. K. Hasegawa: Honoraria (self), Research grant / Funding (self): Daiichi-Sankyo; Honoraria (self), Advisory / Consultancy: Merck Sharpe & Dohme Corp.; Honoraria (self): Chugai; Honoraria (self): AstraZeneca; Research grant / Funding (self): Yakult Honsha; Research grant / Funding (self): Pfizer. J.J. Li: Travel / Accommodation / Expenses, Full / Part-time employment: Merck & Co., Inc.; Travel / Accommodation / Expenses, Spouse / Financial dependant: Celgene. K. Stein: Shareholder / Stockholder / Stock options, Full / Part-time employment: Merck & Co., Inc.; Shareholder / Stockholder / Stock options: Novartis. S.M. Keefe: Travel / Accommodation / Expenses, Shareholder / Stockholder / Stock options, Full / Part-time employment: Merck & Co., Inc. K. Tewari: Honoraria (self): TESARO, Inc.; Honoraria (self): Clovis Oncology; Advisory / Consultancy, Speaker Bureau / Expert testimony, Research grant / Funding (institution), Travel / Accommodation / Expenses: Roche/Genentech; Speaker Bureau / Expert testimony: AstraZeneca ; Speaker Bureau / Expert testimony, Research grant / Funding (institution): Merck; Research grant / Funding (institution): AbbVie; Research grant / Funding (institution): Morphotek; Research grant / Funding (institution): Regeneron. All other authors have declared no conflicts of interest.
Resources from the same session
314P - An EGF motif of Del1 inhibits efficient angiogenesis and suppresses tumour growth in vivo
Presenter: Hisataka Kitano
Session: Poster display session
Resources:
Abstract
315P - Inhibition of JAK1 sensitizes human head and neck cancer cells to cetuximab
Presenter: James Bonner
Session: Poster display session
Resources:
Abstract
316TiP - Neoadjuvant and adjuvant pembrolizumab (pembro) plus standard of care (SOC) in patients (pts) with resectable locally advanced (LA) head and neck squamous cell carcinoma (HNSCC): The phase III KEYNOTE-689 study
Presenter: Ezra Cohen
Session: Poster display session
Resources:
Abstract
322P - Three-year overall survival update from the PACIFIC trial
Presenter: Yi-Long Wu
Session: Poster display session
Resources:
Abstract
323P - Novel tumour mutation score versus tumour mutation burden in predicting survival after immunotherapy in pan-cancer from MSK-IMPACT cohort
Presenter: Yuan Li
Session: Poster display session
Resources:
Abstract
324P - A novel anti-PD-1 antibody HLX10 study led to the initiation of combination immunotherapy
Presenter: Tsu Yi Chao
Session: Poster display session
Resources:
Abstract
325P - Association between immune-related adverse events and efficacy of immune checkpoint inhibitors in patients with advanced hepatocellular carcinoma
Presenter: Lawrence Wong
Session: Poster display session
Resources:
Abstract
326P - Autologous V gamma 9 V delta 2 T cell therapy to target Epstein Barr Virus (EBV)-related malignancies
Presenter: Esdy Rozali
Session: Poster display session
Resources:
Abstract
327P - Neoantigen profile of hepatocellular carcinoma reveals its correlation with tumour progression and clonal evolution
Presenter: Xiaolong Liu
Session: Poster display session
Resources:
Abstract
328P - A retrospective analysis of patients with non-small cell lung cancer who developed drug-induced lung disorder by immune checkpoint inhibitors
Presenter: Fumiko Hayashi
Session: Poster display session
Resources:
Abstract