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Poster display session

133P - Prognostic and predictive factors from the phase III CELESTIAL trial of cabozantinib (C) versus placebo (P) in previously treated advanced hepatocellular carcinoma (aHCC)


23 Nov 2019


Poster display session


Tumour Site

Hepatobiliary Cancers


Thomas Yau


Annals of Oncology (2019) 30 (suppl_9): ix42-ix67. 10.1093/annonc/mdz422


T. Yau1, T. Meyer2, R.K. Kelley3, M. Mangeshkar4, A. Cheng5, A.B. El-Khoueiry6, G.K. Abou-Alfa7

Author affiliations

  • 1 Department Of Medicine, Queen Mary Hospital, Nil - Hong Kong/HK
  • 2 Oncology, Royal Free Hospital, London/GB
  • 3 Medicine, USCSF Hellen Diller Family Comprehensive Cancer Center, 94143 - San Francisco/US
  • 4 Biostatistics, Exelixis, Alameda/US
  • 5 College Of Medicine, National Taiwan University, Taipei/TW
  • 6 Medical Oncology, University of Southern California Norris Comprehensive Cancer Center, 90033 - Los Angeles/US
  • 7 Oncology, Memorial Sloan-Kettering Cancer Center, 10065 - New York/US


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Abstract 133P


C improved overall survival (OS) and progression-free survival (PFS) vs P in the phase 3 CELESTIAL trial (NCT01908426). Median OS was 10.2 mo with C vs 8.0 mo with P (HR 0.76, 95% CI 0.63–0.92; p = 0.005), and median PFS was 5.2 mo vs 1.9 mo (HR 0.44, 95% CI 0.36–0.52; p < 0.001) (Abou-Alfa, NEJM 2018). Here, retrospective univariate (UV) and multivariate (MV) analyses were done to identify prognostic and predictive factors for OS from CELESTIAL.


707 patients (pts) were randomized 2:1 to receive C (60 mg qd) or P. Pts were Child-Pugh grade A and ECOG PS ≤ 1 and must have received prior sorafenib and could have received up to 2 prior lines of systemic therapy for HCC. UV and MV analyses of OS were done using the Cox proportional hazard regression model to compare subgroups defined by baseline variables within each treatment group (Bruix, J Hepatol 2017). MV analyses used backward selection with cutoffs of p ≤ 0.1 for inclusion and p ≤ 0.05 for retention of prognostic factors in the final model. Variables with p ≤ 0.05 for treatment-subgroup interaction were considered possible predictive factors for treatment benefit.


Age, sex, race, region, and etiology were not significant covariates in stepwise UV and MV analyses of OS. Nine baseline variables related to disease status, laboratory values, or prior therapy were identified as possible prognostic factors for OS in one or both treatment groups (Table). No covariates were found to be predictive of an OS benefit with C.


Exploratory UV and MV analyses identified high baseline values of AFP, alkaline phosphatase, ALBI grade, neutrophil to lymphocyte ratio, and number of disease sites as possible prognostic factors for shorter OS in previously treated aHCC. Disease etiology and demographic factors such as race and region were not found to be prognostic for OS.Table:


MV analysis of OSCabozantinibPlacebo
ECOG PS [≥1 vs 0]0.00201.430.961.01
Macrovascular invasion (MVI) [yes vs no]0.00231.470.161.28
Number of sites [2 vs 1]0.0471.330.00241.84
Number of sites [3 vs 1]<0.00011.820.0101.70
Alpha-fetoprotein (AFP) [≥400 vs < 400 ng/mL]<0.00011.72<0.00011.95
Albumin-bilirubin (ALBI) grade [≥2 vs 1]0.00051.570.0221.48
Neutrophil to lymphocyte ratio [≥median vs 0.0121.340.0251.45
Alkaline phosphatase [≥median vs 0.00091.50<0.00012.15
Prior transarterial chemoembolization (TACE) [yes vs no]0.340.900.0280.69

Clinical trial identification

NCT01908426 (Other Study ID Numbers: XL184-309).

Editorial acknowledgement

David Markby (Exelixis).

Legal entity responsible for the study





T. Yau: Advisory / Consultancy: Exelixis; Honoraria (self): Ipen, Exelixis. T. Meyer: Advisory / Consultancy: BMS, BAYER, EISAI, BTG, AZ, BEIGENE, TARVEDA, MSD; Research grant / Funding (self): BTG BAYER. R.K. Kelley: Research grant / Funding (institution), Funding to institution: Agios, AstraZeneca, Bayer, BMS ; Research grant / Funding (self), Funding to self: IDMC: Genentech/Roche ; Research grant / Funding (institution): Agios, AstraZeneca, Bayer, BMS, Eli Lilly, Exelixis, EMD Serono, Medimmune, Merck, Novartis, QED, Taiho. M. Mangeshkar: Full / Part-time employment: Exelixis; Shareholder / Stockholder / Stock options: Exelixis. A-L. Cheng: Advisory / Consultancy, Advisory: Bayer Schering Pharma, Bristol-Myers Squibb, Eisai, Merck Serono, Novartis, Ono Pharmaceutical, Exelixis, Nucleix Ltd., Roche/Genentech, and IQVIA; Advisory / Consultancy, Consultancy: Bayer Schering Pharma, Bristol-Myers Squibb, Eisai, Merck Serono, Novartis, Ono Pharmaceutical, Exelixis, Nucleix Ltd., Roche/Genentech, and IQVIA; Honoraria (self): Bayer, Eisai, and Merck Sharp Dohme, Merck Serono, Novartis, Ono Pharmaceutical, Roche/Genentech, and IQVIA. A.B. El-Khoueiry: Advisory / Consultancy: Bayer, BMS, Agenus, Merck, EISAI, Pieris, EMD Serono, Exelixis, Roche/Genentech, Apeiron; Research grant / Funding (self): AstraZeneca, Astex. G.K. Abou-Alfa: Research grant / Funding (institution): ActaBiologica, Agios, Array, AstraZeneca, Bayer, Beigene, BMS, Casi, Celgene, Exelixis, Genentech, Halozyme, Incyte, Lilly, Mabvax, Novartis, OncoQuest, Polaris Puma, QED, Roche; Advisory / Consultancy: 3DMedcare, Agios, Alignmed, Amgen, Antengene, Aptus, Aslan, Astellas, AstraZeneca, Bayer, Beigene, Bioline, BMS, Boston Scientifc, Bridgebio, Carsgen, Celgene, Casi, Cipla, CytomX, Daiichi, Debio, Delcath, Eisai, Exelixis, Flatiron, Genoscience, Halozyme.

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