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- W4308987260 abstract "For the first-line treatment of KRAS mutant non-small cell lung cancer (NSCLC) patients, immunotherapy or platinum-based chemotherapy are the main treatment method. Here, we investigated the clinical efficacy and prognosis those two regimens as first-line treatment in real-world practice.KRAS mutant NSCLC patients received chemotherapy or immunotherapy as first-line treatment from September 2014 to March 2022 were enrolled. Clinical characteristics, treatment scheme, clinical curative effect and follow-up data of enrolled patients were collected for analysis.Fifty patients received immunotherapy and 115 patients received chemotherapy were enrolled. Patients who received immunotherapy (HR = 0.350, 95%CI 0.156-0.781, P = 0.010), or pemetrexed-based regimen (HR = 0.486, 95%CI 0.255-0.928, P = 0.029), or antiangiogenic therapy (HR = 0.355, 95%CI 0.159-0.790, P = 0.011) were at a low risk of disease progression. And patients received antiangiogenic therapy had lower risk of death than those not (HR = 0.333, 95%CI 0.120-0.926, P = 0.035). Subgroup analysis revealed the immunotherapy compared to chemotherapy alone had lower risk of disease progression (HR = 0.377, 95%CI 0.166-0.856, P = 0.020) in PD-L1 expression ≥1% subgroup. And in non-G12C KRAS subgroup, but not in G12C KRAS subgroup, patients who received antiangiogenic therapy had lower risk of disease progression (HR = 0.254, 95%CI 0.098-0.656, P = 0.005) and death than those not (HR = 0.197, 95%CI 0.056-0.692, P = 0.011). In terms of different chemotherapy regimen, platinum-paclitaxel combined with antiangiogenic therapy achieved the highest ORR and DCR (P < 0.05), while the platinum-pemetrexed combined with antiangiogenic therapy had the longest PFS and OS (P < 0.001).For the first-line treatment of KRAS mutant NSCLC patients, immunotherapy, antiangiogenic therapy, and pemetrexed-based regimen could obtain more benefits. Subgroup analysis revealed the benefits of immunotherapy compared to chemotherapy were applicable in PD-L1 expression≥1% subgroup, and antiangiogenic therapy could benefit non-G12C KRAS subgroup, but not G12C KRAS subgroup. In terms of different chemotherapy regimen, platinum-pemetrexed combined with antiangiogenic therapy may be the preferred chemotherapy regimen." @default.
- W4308987260 created "2022-11-20" @default.
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- W4308987260 date "2022-11-14" @default.
- W4308987260 modified "2023-10-18" @default.
- W4308987260 title "A single center analysis of first-line treatment in advanced KRAS mutant non-small cell lung cancer: real-world practice" @default.
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- W4308987260 doi "https://doi.org/10.1186/s12885-022-10236-9" @default.
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