PD-1 inhibitors combined with paclitaxel and cisplatin in first-line treatment of esophageal squamous cell carcinoma (ESCC): a network meta-analysis
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SUBMITTER: Zhao J
PROVIDER: S-EPMC10714592 | biostudies-literature | 2023 Jan
REPOSITORIES: biostudies-literature
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Project description:Objective: This study was aimed to investigate the cost-effectiveness of all available programmed death 1 (PD-1) inhibitors combined with chemotherapy in the first-line treatment of advanced esophageal squamous-cell carcinoma (ESCC) from the Chinese healthcare system perspective. Methods: A partitioned survival model with a 3-week cycle and a 10-year time horizon was constructed based on a network meta-analysis. The survival data and utility values were derived from clinical trials, and the direct medical costs were collected from public drug bidding database and published literature. Total costs, quality-adjusted life-years (QALYs) and incremental cost-effectiveness ratios (ICERs) were calculated. Scenario, one-way and probabilistic sensitivity analyses were performed to assess the uncertainty around model parameters. Results: Compared with mono-chemotherapy, toripalimab, sintilimab and camrelizumab plus chemotherapy were cost-effective treatment regimens, while serplulimab, pembrolizumab and nivolumab plus chemotherapy were not cost-effective options. Toripalimab plus chemotherapy provided the highest QALYs of 0.95 with the lower cost of $8,110.53 compared to other competing alternatives. The robustness of the base-case results was confirmed by scenario and one-way sensitivity analysis. At a willingness-to-pay threshold of three times per capita gross domestic product ($38,351.20) in 2021, the probability of toripalimab plus chemotherapy being the optimal option was 74.25% compared with other six competing alternatives. Conclusion: Toripalimab plus chemotherapy represented the most cost-effective option as the first-line therapy for advanced ESCC patients in China.
| S-EPMC10017726 | biostudies-literature
Project description:BackgroundChemoimmunotherapy has become the first-line treatment for unresectable esophageal squamous cell carcinoma (ESCC). Still, reliable biomarkers to identify patients who could benefit from this combined therapy remain uncertain. This study focused on elucidating the predictive significance of the monocyte-to-lymphocyte ratio (MLR) and establishing the prognostic nomogram for unresectable ESCC treated with chemoimmunotherapy.MethodsData of clinical features, peripheral blood parameters, and treatment records were collected in unresectable ESCC patients who received PD-1/PD-L1 inhibitors plus chemotherapy as the first-line treatment from September 2017 to August 2021. The nomogram based on MLR and clinical parameters for predicting the overall survival (OS) was developed and validated.ResultsOut of 81 patients enrolled, patients with a lower MLR had significantly longer progression-free survival (PFS) and OS than patients with a higher pretreatment MLR (p = 0.0067; p = 0.00069). The OS nomogram integrating MLR, performance status (PS) score, and body mass index (BMI) achieved a C-index of 0.770 (95%CI 0.645-0.896). The area under the ROC curve (AUC) value of the nomogram predicting 12-, 18-, and 24-month OS rates were 0.855, 0.792, and 0.744, respectively, which were higher than the clinical TNM staging system or the MLR. Stratified by the nomogram-generated scores, three risk groups (low, moderate, and high) in survival curves manifested a distinct difference (p < 0.0001).ConclusionMLR emerged as an independent predictive factor for PFS and OS in treatment-naive unresectable ESCC patients treated with chemoimmunotherapy. The constructed nomogram of MLR and clinical parameters was a reliable model for prognostic estimation.
| S-EPMC9689525 | biostudies-literature
Project description:Nimotuzumab (N) is a humanized anti-epidermal growth factor receptor monoclonal antibody. This prospective, single-armed, open label phase II study was conducted to evaluate the efficacy and safety of the combination of paclitaxel (T)/cisplatin (P) with nimotuzumab (N) as first-line treatment in advanced esophageal squamous cell carcinoma (ESCC). Patients with pathologic confirmed unresectable locally advanced or metastatic ESCC were treated with the TPN regimen: nimotuzumab 200 mg weekly, paclitaxel 175 mg/m(2) on day 1 and cisplatin 30 mg/m(2) on days 1 and 2; repeat cycle every 3 weeks for six cycles. Radiotherapy was allowed to be admitted after four cycles of TPN treatment. The primary endpoint was the objective response rate (ORR). The secondary endpoint was the overall survival (OS), duration of disease control (DDC) and toxicities. From March 2011 to April 2013, a total of 59 patients were enrolled and 56 were eligible for the final analysis. Overall RR was 51.8% and disease control rate (DCR) (CR + PR + SD) was 92.9%. Local treatment (radiotherapy or surgery) followed by chemotherapy improved the duration of disease control for patients with metastatic disease and local-regional advanced disease to 8.2 months and more than 23 months, respectively. The OS for patients with metastatic disease was 14.0 months (95% CI: 6.8-21.2 months). The most common G3/4 toxicities were neutropenia (46.4%), nausea (48.3%), alopecia (78.6%), anorexia (42.8%), vomiting (55.4%), arthralgia (62.5%) and anorexia (5%). Adding nimotuzumab to the standard TP regiment was safe, and well tolerated. The TPN regimen is an effective combination as the first-line chemotherapy for the patients with advanced ESCC, and appears more active than current standard regimens.
| S-EPMC4832869 | biostudies-literature
Project description:BackgroundThe aim of this study was to assess the efficacy and safety of a combination regimen of capecitabine plus cisplatin (CC) or capecitabine plus paclitaxel (CP) as a first-line treatment in patients with metastatic esophageal squamous cell carcinoma.MethodsPatients with recurrent or metastatic esophageal squamous cell carcinoma were enrolled in this open-label, phase II, randomized trial. Patients were assigned to either the CC arm (days [D]1-14 capecitabine 1000 mg/m(2) twice daily + D1 cisplatin 75 mg/m(2), every 3 weeks) or the CP arm (D1-14 capecitabine 1000 mg/m(2) twice daily + D1, 8 paclitaxel 80 mg/m(2), every 3 weeks). The primary endpoint of the study was response rate and secondary endpoints were progression-free survival (PFS), overall survival (OS), toxicity and quality of life.ResultsA total of 94 patients were entered into this study between October 2008 and October 2012, 46 patients in the CC arm and 48 in the CP arm. Patients in both arms received a median of six cycles of treatment (range, 1-14) and the response rates were 57 and 58 % in the cisplatin and paclitaxel arm, respectively. With a median follow-up of 23 months, the median PFS was 5.1 months (95 % CI 4.0-6.2 months) in the cisplatin arm and 6.7 months (95 % CI 4.9-8.5 months) in the paclitaxel arm, whereas the median OS was 10.5 months (95 % CI 9.2-11.9 months) in the cisplatin arm and 13.2 months (95 % CI 9.4-17.0 months) in the paclitaxel arm. Patients in the cisplatin arm were more likely to experience neutropenia and thrombocytopenia, whereas patients in the paclitaxel arm had a higher frequency of neuropathy and alopecia. Quality of life was similar between treatment arms.ConclusionsBoth CC and CP regimens were effective and well tolerated as a first-line treatment in patients with metastatic esophageal squamous cell carcinoma.
| S-EPMC4606554 | biostudies-literature
Project description:BackgroundAnlotinib, a tyrosine kinase inhibitor, has shown encouraging anti-tumor activity in esophageal squamous cell carcinoma (ESCC). This study was designed to assess the efficacy and safety of anlotinib plus paclitaxel and cisplatin (TP) as first-line therapy for advanced ESCC.MethodsIn a multi-center, single-arm, phase II clinical trial, patients (aged > 18 years) with ESCC, which was judged to be locally advanced, recurrent, or metastatic, received 10 mg oral anlotinib once daily on days 1-14, 135 mg/m2 intravenous paclitaxel on day 1, and 60-75 mg/m2 intravenous cisplatin on days 1-3 every 3 weeks for a maximum of 4-6 cycles as the initial therapy in five centers in China. Subsequently, patients received anlotinib monotherapy (10 mg) as maintenance therapy until tumor progression or intolerable toxicity. The primary endpoint was progression-free survival (PFS).ResultsForty-seven patients were enrolled in this study between October 2019 and March 2021. The median follow-up was 14.04 months (IQR, 9.30-19.38). Of 46 with assessable efficacy, the median PFS and median overall survival were 8.38 months (95% CI, 6.59-10.17) and 18.53 months (95% CI, 13.11-23.95), respectively. The objective response rate was 76.1% (95% CI, 61.2-87.4%), with 4 (8.7%) complete responses and 31 (67.4%) partial responses. The disease control rate was 91.3% (95% CI, 79.2-97.6%). The median duration of response was 6.80 months (95% CI, 4.52-9.08), and 1 patient had an ongoing response for 23 months. Subgroup analysis revealed no association between clinical factors and survival or response. Of the 47 patients with assessable safety, the main grade ≥ 3 treatment-emergent adverse events (TEAEs) were neutropenia (17.0%), bone marrow suppression (12.8%), and vomiting (10.6%). No treatment-related deaths or serious TEAEs were observed. Notably, higher c-Kit levels were an independent factor for superior PFS (HR = 0.032; 95% CI, 0.002-0.606; P = 0.022).ConclusionsThe study demonstrated a manageable safety profile and durable clinical response of anlotinib plus TP as first-line therapy in advanced ESCC, which suggested a potential therapeutic option for this population.Trial registrationClinicalTrials.gov NCT04063683. Registered 21 August 2019.
| S-EPMC9733004 | biostudies-literature
Project description:ObjectiveGiven real-world limitations in programmed death-ligand 1 (PD-L1) testing, concordance studies between PD-L1 assays are needed. We undertook comparisons of PD-L1 assays (DAKO22C3, Ventana SP263, Ventana SP142, E1L3N) among observers in esophageal squamous cell carcinoma (ESCC) to provide information on the analytical and clinical comparability of four PD-L1 IHC assays.MethodsParaffin embedded samples of 50 cases of esophageal squamous cell carcinoma were obtained, satined with all four PD-L1 assays. PD-L1 was evaluated by 68 pathologists from 19 different hospitals. PD-L1 expression was assessed for combined positive score (CPS).ResultsThe expression sensitivity of SP263 was the highest in ESCC, followed by 22C3, E1L3N and SP142. Taking CPS 10 as the critical value, inter-observer concordance for CPS scores among 68 physicians was assessed for the 22C3, SP263, SP142, and E1L3N assays, yielding values of 0.777, 0.790, 0.758, and 0.782, respectively. In the comparison between assays, the overall CPS scores concordance rates between 22C3 and SP263, SP142, and E1L3N were 0.896, 0.833, and 0.853, respectively. 22C3 and SP263 have high concordance, with OPA of 0.896, while E1L3N and SP142 have the highest concordance, with OPA of 0.908.ConclusionIn ESCC, the concordance of PD-L1 evaluation among observers is good, and the immune cell score is still an important factor affecting the concordance of interpretation among observers. Cases near the specific threshold are still the difficult problem of interpretation. SP263 had the highest CPS score of the four assays. SP263 cannot identify all 22C3 positive cases, but had good concordance with 22C3.E1L3N and SP142 showed high concordance.
| S-EPMC10821831 | biostudies-literature
Project description:Paclitaxel-based chemotherapy is a treatment option for advanced esophageal squamous cell carcinoma (ESCC). However, the development of chemoresistance leads to treatment failure, and the underlying mechanism remains elusive. We investigated the mechanisms of nanoparticle albumin-bound paclitaxel (nab-PTX) resistance by establishing three nab-PTX resistant ESCC cell lines. Proteomics analysis revealed higher oxidative phosphorylation (OXPHOS) in resistant cell line DR150 than in its parental cell line KYSE150, which is likely caused by stabilized anti-apoptotic protein MCL1. Additionally, we discovered the elevated activity of protein phosphatase 2A (PP2A), the phosphatase that dephosphorylates and stabilizes MCL1, in nab-PTX resistant cell lines. Pharmacological inhibition of PP2A with small molecule compound LB-100 decreased MCL1 protein level, caused more apoptosis in nab-PTX resistant ESCC cell lines than in the parental cells in vitro, and significantly inhibited the tumor growth of nab-PTX resistant xenografts in vivo. Moreover, LB-100 pretreatment partially restored nab-PTX sensitivity in the resistant cell lines and synergistically inhibited the tumor growth of nab-PTX resistant xenografts with nab-PTX. In summary, our study identifies a novel mechanism whereby elevated PP2A activity stabilizes MCL1 protein, increases OXPHOS, and confers nab-PTX resistance, suggesting that targeting PP2A is a potential strategy for reversing nab-PTX resistance in patients with advanced ESCC.
| S-EPMC8507542 | biostudies-literature
Project description:This study was conducted to investigate whether polymorphisms of genes involved in immune checkpoints can predict the clinical outcomes of patients with advanced stage non-small cell lung cancer (NSCLC) after 1st line paclitaxel-cisplatin chemotherapy. A total of 379 NSCLC patients were enrolled. Twelve single nucleotide polymorphisms (SNPs) of PD-1, PD-L1, and CTLA-4 genes were selected and genotyped. The associations of SNPs with chemotherapy response and overall survival (OS) were analyzed. Among the 12 SNPs investigated, PD-L1 rs2297136T > C and rs4143815C > G were significantly associated with clinical outcomes after chemotherapy. The rs2297136T > C was significantly associated with both better chemotherapy response and better OS, and the rs4143815C > G had a significantly better response to chemotherapy. Consistent with the individual genotype analyses, rs2297136C-rs4143815G haplotype (ht4) carrying variant alleles at both loci was significantly associated with better chemotherapy response and OS compared with combined other haplotypes. Patients with at least one ht4 had significantly better chemotherapy response and OS compared to those without ht4. PD-L1 rs2297136T > C and rs4143815C > G polymorphisms may be useful for the prediction of clinical outcome of 1(st) line paclitaxel-cisplatin chemotherapy in NSCLC. Further studies are needed to confirm our findings and to understand the role of PD-L1 in the chemotherapy outcome of NSCLC patients.
| S-EPMC4867646 | biostudies-literature
Project description:ObjectiveThe purpose of this study was to evaluate the prognostic role of the cytotoxic T-lymphocyte-associated antigen-4 (CTLA-4) expression level and the platelet lymphocyte ratio (PLR) level in esophageal squamous cell carcinoma (ESCC) patients.Methods84 ESCC patients who received surgical treatment in our hospital were enrolled in the study. The correlation of each biomarker's level with ESCC patients' clinicopathological characteristics and overall survival (OS) was assessed.ResultsThe elevated expression rate of T-CTLA-4 (tumor cell CTLA-4) and I-CTLA-4 (interstitial lymphocyte CTLA-4) was 48.8% and 44.0%, respectively. The number of enrolled patients with a higher PLR level (≥119) was 48. The prognostic value of T-CTLA-4, I-CTLA-4, and PLR in ESCC patients was not detected. However, patients with both a low T-CTLA-4 expression level and a low PLR level that had longer OS (p = 0.023) were found. The prognostic role of T-CTLA-4(-) +PLR (-) status in ESCC patients was also confirmed in multivariate analyses (p = 0.027).ConclusionThese results demonstrated the potential prognostic value of combined analysis of CTLA-4 and PLR in ESCC patients.
| S-EPMC6710793 | biostudies-literature
Project description:ObjectiveNo standard postoperative adjuvant chemotherapy has ever been established in node-positive esophageal squamous cell carcinoma (ESCC). This is a study to explore the effect of postoperative paclitaxel (PTX) and cisplatin (DDP) in lymph node-positive, completely resected thoracic ESCC patients.MethodsWe conducted a prospective phase II trial. Patients had pathologically node-positive thoracic ESCC with negative margins. Outcomes of disease-free survival (DFS) and overall survival (OS) were compared with a matched historical control cohort. The postoperative chemotherapy regimen consisted of 4 to 6 cycles of PTX 150 mg/m2 administered intravenously on d 1 followed by DDP 50 mg/m2 on d 2 every 14 d.ResultsForty-three patients were accrued from December 2007 to May 2012 at Cancer Hospital of Chinese Academy of Medical Sciences for adjuvant chemotherapy. The historical control group consisted of 80 patients who received complete resection but no adjuvant chemotherapy during the same period of time. Of the 43 patients with adjuvant chemotherapy, 37 (86.0%) patients completed 4 to 6 cycles of chemotherapy. The 3-year DFS rates were 56.3% in the adjuvant group and 34.6% in the control group (P=0.006). The 3-year OS rates were 55.0% in the adjuvant group and 37.5% in the control group (P=0.013). Multivariate analysis revealed that postoperative chemotherapy was the significant predictor for improved OS (P=0.005).ConclusionsBiweekly adjuvant PTX and DDP might improve 3-year DFS and OS in lymph node-positive, curatively resected thoracic ESCC patients. These conclusions warrant further study in randomized phase III clinical trials.
| S-EPMC5422417 | biostudies-literature