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Poster Display session 2

2767 - Effect of second-line cabozantinib on health states for patients with advanced hepatocellular carcinoma (aHCC) after sorafenib: QTWiST analysis from the CELESTIAL study

Date

29 Sep 2019

Session

Poster Display session 2

Topics

Tumour Site

Hepatobiliary Cancers

Presenters

Nicholas Freemantle

Citation

Annals of Oncology (2019) 30 (suppl_5): v253-v324. 10.1093/annonc/mdz247

Authors

N. Freemantle1, G.K. Abou-Alfa2, A. Cheng3, R.K. Kelley4, V. Valcheva5, F. Benzaghou6, P. Mollon5

Author affiliations

  • 1 Oncology, University College London, WC1E 6JD - London/GB
  • 2 Oncology, Memorial Sloan Kettering Cancer Center, New York/US
  • 3 Department Of Oncology, National Taiwan University Hospital, 100 - Taipei/TW
  • 4 Oncology, UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco/US
  • 5 Oncology, Ipsen Pharma, Boulogne-Billancourt/FR
  • 6 Oncology, Ipsen Innovation, 91140 - Les Ulis/FR

Resources

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Abstract 2767

Background

CELESTIAL (NCT01908426), a phase 3 study in patients with aHCC who progressed on sorafenib (≤2 previous systemic treatments allowed), demonstrated improved survival and progression-free survival with cabozantinib over placebo. CELESTIAL was stopped early for benefit at the second interim analysis (hazard ratio for death in overall population, 0.76 [95% confidence interval 0.63–0.92; p = 0.005] resulting in short follow-up for some patients). This retrospective analysis compared patient experience of three discrete health states in patients receiving second-line cabozantinib vs placebo in CELESTIAL: time with grade 3/4 toxicity before progression (TOX); time without grade 3/4 toxicity before progression (TWiST); and survival time after progression or relapse (REL).

Methods

Overall, 495 patients in CELESTIAL had sorafenib as the only prior therapy (cabozantinib, 331; placebo, 164). For each patient, times spent in TOX, TWiST and REL were calculated. Toxicities were based on reported adverse events. Patients censored prior to progression or death (32%) accrued time in each health state up to that date.

Results

Second-line cabozantinib was associated with significantly longer mean TOX (49.8 vs 9.8 days, p < 0.0001), and also TWiST (110.9 vs 78.1 days, p = 0.001) than placebo; survival times after progression (REL) were similar; (Table). Analyses based on all patients in CELESTIAL (N = 707) or limited to those with ≥100 days of follow-up (regardless of whether they had a progression event prior to that time) resulted in numerically different estimates for each health state, but no qualitative differences in findings.Table:

754P

Health stateCabozantinib (N = 331) Mean days (95% CI)Placebo (N = 164) Mean days (95% CI)Difference cabozantinib - placebo Mean days (95% CI; t test)
TOX49.8 (39.2–60.3)9.8 (2.6–17.0)40.0 (27.3–52.7; p < 0.0001)
TWiST110.9 (96.7–125.2)78.1 (64.7–91.5)32.8 (13.3–52.3; p = 0.001)
REL174.5 (152.5–196.5)178.6 (144.1–213.0)-4.1 (-43.5–35.4; p = 0.85)

CI, confidence interval; REL, survival time after progression/relapse; TOX, time with a grade 3/4 toxicity before progression; TWiST, time without disease symptoms and grade 3/4 toxicity

Conclusions

Patients with aHCC receiving second-line cabozantinib after sorafenib spent significantly more time without disease symptoms and toxicity than those receiving placebo, despite an increase in days with grade 3/4 toxicity before progression.

Clinical trial identification

NCT01908426.

Editorial acknowledgement

Oxford PharmaGenesis, Oxford, UK for providing editorial support, which was sponsored by Ipsen, Abingdon, UK in accordance with Good Publication Practice guidelines.

Legal entity responsible for the study

Ipsen.

Funding

Ipsen.

Disclosure

N. Freemantle: Advisory / Consultancy, Research grant / Funding (institution), Travel / Accommodation / Expenses: Takeda; Advisory / Consultancy, Research grant / Funding (institution), Travel / Accommodation / Expenses: Pfizer; Advisory / Consultancy, Research grant / Funding (institution), Travel / Accommodation / Expenses: Biogen; Advisory / Consultancy, Research grant / Funding (institution), Travel / Accommodation / Expenses: Yesaro; Advisory / Consultancy, Research grant / Funding (institution), Travel / Accommodation / Expenses: Allergan; Advisory / Consultancy, Research grant / Funding (institution), Travel / Accommodation / Expenses: Ipsen; Advisory / Consultancy, Research grant / Funding (institution), Travel / Accommodation / Expenses: Sanofi; Advisory / Consultancy, Research grant / Funding (institution), Travel / Accommodation / Expenses: PTC; Advisory / Consultancy, Research grant / Funding (institution), Travel / Accommodation / Expenses: AstraZeneca. G.K. Abou-Alfa: Advisory / Consultancy: 3DMedcare; Advisory / Consultancy, Research grant / Funding (institution): Agions; Advisory / Consultancy: Alignmed; Advisory / Consultancy: Antengene; Advisory / Consultancy: Aptus; Advisory / Consultancy: Aslan; Advisory / Consultancy: Astellas; Advisory / Consultancy, Research grant / Funding (institution): AstraZeneca; Advisory / Consultancy, Research grant / Funding (institution): Bayer; Advisory / Consultancy, Research grant / Funding (institution): Beigene; Advisory / Consultancy: Bioline; Advisory / Consultancy, Research grant / Funding (institution): BMS; Advisory / Consultancy: Boston Scientific; Advisory / Consultancy: Bridgebio; Advisory / Consultancy: Carsgen; Advisory / Consultancy, Research grant / Funding (institution): Celgene; Advisory / Consultancy, Research grant / Funding (institution): Casi; Advisory / Consultancy: Cipla; Advisory / Consultancy: Cytom X; Advisory / Consultancy: Daiichi. A. Cheng: Honoraria (self): Bayer; Honoraria (self), Advisory / Consultancy, Speaker Bureau / Expert testimony, Travel / Accommodation / Expenses: Eisai; Honoraria (self): Merck Sharp Dohme; Honoraria (self), Advisory / Consultancy: Merck Serono; Honoraria (self), Advisory / Consultancy, Speaker Bureau / Expert testimony, Travel / Accommodation / Expenses: Novartis; Honoraria (self), Advisory / Consultancy, Speaker Bureau / Expert testimony, Travel / Accommodation / Expenses: Ono Pharmaceutical; Honoraria (self), Advisory / Consultancy, Travel / Accommodation / Expenses: Roche/Genentech; Honoraria (self), Advisory / Consultancy, Travel / Accommodation / Expenses: IQVIA; Advisory / Consultancy: Bayer Schering Pharma; Advisory / Consultancy: Bristol-Myers Squibb; Advisory / Consultancy: Exelixis; Advisory / Consultancy: Nucleix Ltd.; Speaker Bureau / Expert testimony, Travel / Accommodation / Expenses: Bayer Yakuhin, Ltd; Speaker Bureau / Expert testimony: Amgen Taiwan. R.K. Kelley: Advisory / Consultancy: Genentech/ Roche; Advisory / Consultancy, Research grant / Funding (institution): AstraZeneca; Advisory / Consultancy, Research grant / Funding (institution): Agios; Advisory / Consultancy, Research grant / Funding (institution): BMS; Research grant / Funding (institution): Adaptimmune; Research grant / Funding (institution): Bayer; Research grant / Funding (institution): Celgene; Research grant / Funding (institution): Merck; Research grant / Funding (institution): Novartis; Research grant / Funding (institution): QED; Research grant / Funding (institution): Eli Lilly; Research grant / Funding (institution): Exelixis; Research grant / Funding (institution): Medimmune; Research grant / Funding (institution): Taiho. V. Valcheva: Full / Part-time employment: Ipsen. F. Benzaghou: Full / Part-time employment: Ipsen. P. Mollon: Full / Part-time employment: Ipsen.

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