Abstract
Background
The results reported in the TOPAZ-1 phase III trial led to the approval of the combination of cisplatin and gemcitabine with durvalumab as the new first-line standard of care for patients with locally advanced or metastatic cholangiocarcinoma.
Objective
We performed a clustering analysis to classify patients into different groups based on their mutation profile, correlating the results of the analysis with clinical outcomes.
Methods
We selected 51 patients with cholangiocarcinoma who were treated with the combination of chemotherapy and durvalumab and who were screened using the next-generation sequencing-based FoundationOne gene panel. We conducted mutation-based clustering of tumors and a survival analysis.
Results
Three main clusters were identified. Cluster 1 is mostly characterized by mutations in genes belonging to the chromatin modification pathway, altered in 100% of patients. Cluster 2 is characterized by the alteration of several pathways, among which DNA damage control, chromatin modification, RTK/RAS, cell-cycle apoptosis, TP53, and PI3K were the most affected. Finally, most altered pathways in cluster 3 were RTK/RAS and cell-cycle apoptosis. Overall response rate was 4/13 (31%), 12/24 (50%), and 0/10 (0%) in cluster 1, cluster 2, and cluster 3, respectively, and the difference between the three clusters was statistically significant (p = 0.0188).
Conclusions
By grouping patients into three clusters with distinct molecular and genomic alterations, our analysis showed that patients included in cluster 2 had higher overall response rates, whereas patients included in cluster 3 had no objective response. Further investigations on larger and external cohorts are needed in order to validate our results.
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Monica Niger received travel expenses from AstraZeneca, speaker honoraria from Accademia della Medicina and Incyte; honoraria from Sandoz, Medpoint SRL, Incyte, and Servier for editorial collaboration; and consultant honoraria from EMD Serono, Basilea Pharmaceutica, Incyte, MSD Italia, Servier, Astrazeneca, and Taiho. TP: Swedish Orpahn Biovitrum AB, Ability Pharmaceuticals SL, Aptitude Health, AstraZeneca, Basilea Pharma, Baxter, BioLineRX Ltd, Celgene, Eisai, Ellipses, Genzyme, Got It Consulting SL, Hirslanden/GITZ, Imedex, Incyte, Ipsen Bioscience , Inc, Janssen, Lilly. Marketing Farmacéutico & Investigación Clínica, S.L, MDS, Medscape, Novocure, Paraxel, PPD Development, Polaris, QED Therapeutics, Roche Farma, Sanofi-Aventis, Servier, Scilink Comunicación Científica SC, Surface Oncology, and Zymeworks. Tiziana Pressiani received/reports consulting fees from Bayer, Ipsen, and Astra Zeneca; institutional research funding from Roche, Bayer, and Astra Zeneca; and travel accommodations from Roche. Lorenza Rimassa declares consulting/advisory roles for AstraZeneca, Basilea, Bayer, BMS, Eisai, Exelixis, Genenta, Hengrui, Incyte, Ipsen, IQVIA, Jazz Pharmaceuticals, MSD, Nerviano Medical Sciences, Roche, Servier, Taiho Oncology, Zymeworks; honoraria for lectures from AstraZeneca, Bayer, BMS, Eisai, Incyte, Ipsen, Merck Serono, Roche, and Servier; travel expenses from AstraZeneca; and research funding (to institution) from Agios, AstraZeneca, BeiGene, Eisai, Exelixis, Fibrogen, Incyte, Ipsen, Lilly, MSD, Nerviano Medical Sciences, Roche, and Zymeworks. Sara Lonardi reports research funding (to institution) from Amgen, Astellas, Astra Zeneca, Bayer, Bristol-Myers Squibb, Daichii Sankyo, Hutchinson, Incyte, Merck Serono, Mirati, MSD, Pfizer, Roche, and Servier; personal honoraria as an invited speaker from Amgen, Bristol-Myers Squibb, Incyte, GSK, Lilly, Merck Serono, MSD, Pierre-Fabre, Roche, and Servier; and participation in advisory boards for Amgen, Astellas, Astra Zeneca, Bayer, Bristol-Myers Squibb, Daiichi-Sankyo, GSK, Incyte, Lilly, Merck Serono, MSD, Servier, and Takeda. Lorenzo Fornaro reports personal honoraria as an invited speaker from Incyte, Bristol Myers Squibb and Lilly; research funding (to institution) from MSD, Bristol Myers Squibb, AstraZeneca, Incyte, BeiGene, Astellas, Daiichi Sankyo, and Roche; and participation in advisory boards for MSD, AstraZeneca, Incyte, Taiho, Servier, Daiichi Sankyo, and Lilly. Margherita Rimini, Eleonora Loi, Mario Domenico Rizzato, Caterina Vivaldi, Eleonora Gusmaroli, Lorenzo Antonuzzo, Erika Martinelli, Ingrid Garajova, Guido Giordano, Jessica Lucchetti, Marta Schirripa, Noemi Cornara, Federico Rossari, Francesco Vitiello, Elisabeth Amadeo, Mara Persano, Vittoria Matilde Piva, Rita Balsano, Francesca Salani, Chiara Pircher, Stefano Cascinu, Mario Scartozzi, Patrizia Zavattari, Andrea Casadei-Gardini have no conflicts of interest that are directly relevant to the content of this article.
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The ethics review board of each institutional hospital approved the present study. This study was performed in line with the principles of the Declaration of Helsinki.
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Conception and design: EL, MR, PZ, AC-G; acquisition of data (acquired and managed patients): all authors. analysis and interpretation of data: EL, MR, PZi, AC-G; writing, review, and/or revision of the manuscript: EL, MR, PZ, AC-G; final approval of manuscript: all authors.
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Rimini, M., Loi, E., Rizzato, M.D. et al. Different Genomic Clusters Impact on Responses in Advanced Biliary Tract Cancer Treated with Cisplatin Plus Gemcitabine Plus Durvalumab. Targ Oncol 19, 223–235 (2024). https://doi.org/10.1007/s11523-024-01032-5
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DOI: https://doi.org/10.1007/s11523-024-01032-5