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. 2024 Mar 20;5(10):100666.
doi: 10.1016/j.jtocrr.2024.100666. eCollection 2024 Oct.

Cabozantinib Plus Atezolizumab or Cabozantinib Alone in Patients With Advanced NSCLC Previously Treated With an Immune Checkpoint Inhibitor: Results From the Phase 1b COSMIC-021 Study

Joel W Neal  1 , Armando Santoro  2   3 , Maria Gonzalez-Cao  4 , Farah Louise Lim  5 , Bruno Fang  6 , Ryan D Gentzler  7 , Jerome Goldschmidt  8 , Polina Khrizman  9 , Claudia Proto  10 , Shiven Patel  11 , Sonam Puri  11 , Stephen V Liu  12 , Erminia Massarelli  13 , Denise Williamson  14 , Martin Schwickart  15 , Christian Scheffold  16 , Svetlana Andrianova  16 , Enriqueta Felip  17
Affiliations

Cabozantinib Plus Atezolizumab or Cabozantinib Alone in Patients With Advanced NSCLC Previously Treated With an Immune Checkpoint Inhibitor: Results From the Phase 1b COSMIC-021 Study

Joel W Neal et al. JTO Clin Res Rep. .

Abstract

Introduction: We evaluated efficacy and safety of cabozantinib plus atezolizumab or cabozantinib alone in advanced NSCLC previously treated with an immune checkpoint inhibitor (ICI).

Methods: COSMIC-021 (NCT03170960) is a phase 1b, multicenter study in advanced solid tumors. This analysis included patients with stage IV non-squamous NSCLC without actionable genomic aberrations in EGFR, ALK, ROS1, or BRAF-V600E who progressed on one prior ICI and less than or equal to two prior lines of systemic anticancer therapy. Patients received cabozantinib 40 mg orally/day plus atezolizumab 1200 mg intravenously every three weeks (combination cohort) or cabozantinib 60 mg orally/day (single-agent cabozantinib cohort). Primary end point of the combination cohort was objective response rate per Response Evaluation Criteria in Solid Tumors v1.1 by investigator. Outcomes in the single-agent cabozantinib cohort were exploratory.

Results: Eighty-one patients assigned to combination therapy and 31 assigned to single-agent cabozantinib received greater than or equal to one dose of study treatment. Median (range) follow-up was 26.1 months (12.1-44.2) and 22.4 months (1.5-29.0), respectively. Objective response rate was 20% (95% confidence interval: 11.7%-30.1%) in combination cohort and 6% (95% confidence interval: 0.8%-21.4%) in single-agent cabozantinib cohort. Treatment-related adverse events (TRAEs) occurred in 86% of patients in the combination cohort and 90% in the single-agent cabozantinib cohort; grade 3/4 TRAEs were 44% and 48%, respectively. There were two grade 5 TRAEs: pneumonitis (n = 1, combination) and gastric ulcer hemorrhage (n = 1, single-agent). Neither PD-L1 expression in tumor cells nor tumor mutation burden correlated with outcomes.

Conclusions: Cabozantinib plus atezolizumab demonstrated modest clinical activity and manageable toxicity in advanced NSCLC after progression on prior ICI.

Keywords: Atezolizumab; Cabozantinib; Immunotherapy; Non–small cell lung cancer.

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Conflict of interest statement

Dr. Neal reported receiving honoraria from Biomedical Learning Institute CME, Clinical Care Options, CME Matter, Medscape CME, MJH Life Sciences CME, MLI Peerview CME, Prime Oncology CME, Projects in Knowledge CME, Research to Practice CME, Rockpointe CME, Medical Educator Consortium, HMP Education, a consulting or advisory role with AstraZeneca, Blueprint Pharmaceuticals, Calithera Biosciences, D2G Oncology, Exelixis, Genentech, Roche, Jounce Therapeutics, Eli Lilly and Company, Natera, Regeneron, Sanofi, Surface Oncology, Takeda Pharmaceuticals, Turning Point Therapeutics, and receiving institutional research funding from 10.13039/100006483AbbVie, Adaptimmune, Boehringer Ingelheim, 10.13039/100010544Exelixis, 10.13039/100004328Genentech, 10.13039/100004337Roche, GSK, 10.13039/100005565Janssen, 10.13039/100004334Merck, Nektar Therapeutics, 10.13039/100004336Novartis, Takeda Pharmaceuticals. Dr. Armando Santoro reported having a consulting or advisory role with Sanofi, Incyte, receiving honoraria from AbbVie, Amgen, ArQule, AstraZeneca, Bayer, BMS, Celgene, Eisai, Gilead Sciences, Lilly, MSD, Novartis, Pfizer, Roche, Sandoz, Servier, Takeda, and participating in a data safety or advisory board with BMS, Servier, Gilead, Pfizer, Eisai, Bayer, MSD. Dr. Maria Gonzalez-Cao reported receiving grants or contracts from Roche, AstraZeneca, and Novartis, honoraria from Bristol Myers Squibb, MSD, AstraZeneca, Novartis, and Pierre Fabre, support for travel, accommodations, and expenses from MSD, AstraZeneca, and Pierre Fabre, and having a leadership or fiduciary role with the Spanish Melanoma Group. Dr. Ryan D. Gentzler reported receiving honoraria from Targeted Oncology, OncLive, Clinical Care Options, Society for Immunotherapy of Cancer, American Society of Clinical Oncology, MedStar Health, Aptitude Health, support for attending meetings from International Association for the Study of Lung Cancer, American Society of Clinical Oncology, Dava Oncology, Tempus, having a consulting or advisory role with AstraZeneca, Daiichi Sankyo, Gilead, Janssen, Jazz Pharmaceuticals, Mirati Therapeutics, OncoCyte, Sanofi, Takeda, Merus, Regeneron, receiving institutional research funding from 10.13039/100002429Amgen, Alliance Foundation, 10.13039/100004325AstraZeneca, Big Ten Research Consortium, 10.13039/100002491Bristol Myers Squibb, 10.13039/100010795Chugai, 10.13039/501100022274Daiichi Sankyo, 10.13039/100008130Helsinn Therapeutics, Hoosier Cancer Research Network, 10.13039/100005565Janssen, 10.13039/100016765Jounce Therapeutics, Merck, 10.13039/100016957Mirati Therapeutics, 10.13039/100004319Pfizer, 10.13039/100008199RTI International, Takeda, Dizal, Puma, and having leadership or committee roles with Hoosier Cancer Research Network, ASCO, Journal of Clinical Oncology, NCI Investigational Drug Steering Committee, and International Association for the Study of Lung Cancer. Dr. Jerome Goldschmidt reported receiving honoraria from G1 Therapeutics, and support for travel, accommodations, and expenses from Sara Cannon Research Institute. Dr. Claudia Proto reports receiving honoraria from AstraZeneca, Bristol Myers Squibb, MSD, Roche, Sanofi, having a consulting or advisory role with AstraZeneca, MSD and Roche, institutional research funding from MSD, Lilly, Pfizer, support for travel, accommodations, expenses from AstraZeneca, MSD, and Roche, and is the principal investigator in clinical trials for Janssen, Pfizer, Lilly, Spectrum Pharmaceuticals, Roche, MSD, BMS, and AstraZeneca. Dr. Shiven Patel reported receiving a consulting or advisory role with AstraZeneca, Blueprint Medicines, Boehringer Ingelheim, Regeneron, Sanofi, TerSera Therapeutics LLC, Total Health Conferencing, Natera, Takeda, Merck, BMS, and receiving institutional research funding from AstraZeneca, Janssen, Merck, and Takeda. Dr. Sonam Puri reported having an institutional consulting or advisory role with Jazz Pharma, receiving consulting fees from G1 Therapeutics, Pfizer, Bristol-Myers Squibb, receiving honoraria from Aptitude Health, and support for travel, accommodations, and expenses from Dava Oncology. Dr. Stephen V. Liu reported having a consulting or advisory role with AbbVie, Amgen, AstraZeneca, Boehringer Ingelheim, Bristol Myers Squibb, Catalyst, Daiichi Sankyo, Eisai, Elevation Oncology, Genentech, Roche, Gilead Sciences, Guardant Health, Janssen Oncology, Jazz Pharmaceuticals, Merck, Merus, Mirati, Novartis, Regeneron, Sanofi, Takeda, and Turning Point Therapeutics, receiving institutional research funding from AbbVie, 10.13039/100018529Alkermes, Elevation Oncology, Ellipses, Genentech, Roche, 10.13039/100005564Gilead Sciences, Merck, Merus, Nuvalent, Inc., RAPT Therapeutics, and Turning Point Therapeutics, and participation in a data safety monitoring board or advisory board with Candel Therapeutics. Dr. Erminia Massarelli reported receiving honoraria from AstraZeneca, Merck, Eli Lilly and Company, Takeda Pharmaceuticals, Mirati, and having a consulting or advisory role with Bristol Myers Squibb, Daiichi Sankyo Co., Fusion Therapeutics, Janssen, Eli Lilly and Company, Sanofi, AbbVie, Iovance Therapeutics, and Mirati. Ms. Denise Williamson, Drs. Martin Schwickart, Christian Scheffold, and Svetlana Adrianova are employees of and reported having stock with Exelixis. In addition, Dr. Christian Scheffold reported a patent: Combinations of Cabozantinib and Atezolizumab to Treat Cancer; patent number 11198731. Dr. Enriqueta Felip reported having a consulting or advisory role with AbbVie, Amgen, AstraZeneca, Bayer, Boehringer Ingelheim, Bristol Myers Squibb, Eli Lilly, F. Hoffmann-La Roche, Gilead, GlaxoSmithKline, Janssen, Merck Serono, MSD, Novartis, Peptomyc, Pfizer, Regeneron, Sanofi, Takeda, Turning Point, Daiichi Sankyo, honoraria from Amgen, AstraZeneca, Bristol Myers Squibb, Daiichi Sankyo, Eli Lilly, F. Hoffmann-La Roche, Genentech, Janssen, Medical Trends, Medscape, Merck Serono, MSD, Peervoice, Pfizer, Sanofi, Takeda, Touch Oncology, and receiving support for travel, accommodations, and expenses from AstraZeneca, Janssen, Roche. The remaining authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Patient disposition. ∗The first 51 patients were enrolled in a non-randomized fashion into the cabozantinib + atezolizumab cohort, and subsequent patients were randomized 1:1 between the cabozantinib + atezolizumab and cabozantinib cohorts.
Figure 2
Figure 2
Waterfall plot for maximum percent change from baseline in target lesions per RECIST v1.1 by investigator in (A) combination cohort and (B) single-agent cabozantinib cohort. Maximum percentage of reduction or minimum increase from baseline in sum of diameters of target lesions before progressive disease or initiation of any non-protocol anticancer therapy. Only patients with at least one baseline and post-baseline radiographic tumor assessment are shown. Any reduction in the sum of diameter in target lesion was observed in 72% (58 of 81) of patients in the combination cohort and 58% (18 of 31) of patients in the single-agent cabozantinib cohort. PD-L1, programmed death-ligand 1; RECIST, Response Evaluation Criteria in Solid Tumors.
Figure 3
Figure 3
Progression-free survival per RECIST v1.1 by investigator in (A) combination cohort and (B) single-agent cabozantinib cohort. CI, confidence interval; No., number; PFS, progression-free survival; RECIST, Response Evaluation Criteria in Solid Tumors.
See this image and copyright information in PMC

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