Abstract
Nab-paclitaxel plus gemcitabine (Nab-Gem) represents one of the standard regimen for first-line treatment of metastatic pancreatic adenocarcinoma (mPDAC). However, few data are available in mPDAC relapsed after gemcitabine as adjuvant treatment. Our study aims to evaluate the efficacy and feasibility of Nab-Gem as first-line treatment for mPDAC patients previously treated with adjuvant treatment. We retrospectively analyzed the safety and efficacy data of 36 patients, who received first-line Nab-Gem after gemcitabine as adjuvant treatment. All patients received gemcitabine after radical surgery. Median disease-free survival was 12 months (95% CI 9.7–14.3); at relapse, all patients received Nab-Gem. We observed an objective response rate and disease control rate of 11.1% and 63.9%, respectively. With a median follow-up of 47 months, median progression-free survival was 5 months (95% CI 1.0–9.0), whereas median overall survival (OS) was 13 months (95% CI 5.5–20.5). Median OS was higher in patients with a relapse ≥ 7 months after the end of adjuvant treatment than in patients relapsed < 7 months (14 vs. 8 months, respectively, p: 0.52). Our results show that first-line Nab-Gem is feasible and effective in patients previously treated with gemcitabine as adjuvant treatment.
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We thank all patients and their families for the participation in this study.
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Conceptualization, FDV and APe; methodology and formal analysis, APe; investigation, APe, APa, LP, GT, FCa, MML, MC, AV, MO, GC, CM, MB; resources, APa, LP; data curation, APa, FCa; writing—original draft preparation, APe, APa, LP; writing—review and editing, APe, APa, LP, FCi, FDV; supervision, FCi, MB, FDV.
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A.Pe: honoraria from Lilly; M.O: Honoraria from Italfarmaco, EISAI, epionpharma, Roche; F.Ci: Advisory Boards: Roche, Amgen, Merck, Pfizer, Sanofi, Bayer, Servier, BMS, Celgene, Lilly; Institutional Research Grants: Bayer, Roche, Merck, Amgen, AstraZeneca, Takeda; F.D.V: Advisory Boards: Roche, Amgen, Celgene, Lilly. The authors declare that all these conflicts of interest are not connected with the issue of this paper. The other authors have no conflicts of interest to declare.
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All patients, at the time of therapy, signed informed consent about the use of their data for future medical research. The analysis was carried out with the approval of Ethics Committee of AOU “Luigi Vanvitelli”—AORN Ospedali dei Colli, of our institution.
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Petrillo, A., Pappalardo, A., Pompella, L. et al. Nab-paclitaxel plus gemcitabine as first line therapy in metastatic pancreatic cancer patients relapsed after gemcitabine adjuvant treatment. Med Oncol 36, 83 (2019). https://doi.org/10.1007/s12032-019-1306-9
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DOI: https://doi.org/10.1007/s12032-019-1306-9