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Previously untreated patients with advanced esophageal cancer were randomly assigned to receive chemotherapy alone, chemotherapy plus nivolumab, or nivolumab plus ipilimumab. Among patients with tumor-cell PD-L1 expression of 1% or greater, the two nivolumab regimens resulted in longer overall survival than chemotherapy. The side-effect profile was consistent with past reports on these agents.

Necitumumab is a second-generation, recombinant, human immunoglobulin G1 EGFR antibody. In this study, we aimed to compare treatment with necitumumab plus gemcitabine and cisplatin versus gemcitabine and cisplatin alone in patients with previously untreated stage IV squamous non-small-cell lung cancer. We did this open-label, randomised phase 3 study at 184 investigative sites in 26 countries. Patients aged 18 years or older with histologically or cytologically confirmed stage IV squamous non-small-cell lung cancer, with an Eastern Cooperative Oncology Group (ECOG) performance status of 0–2 and adequate organ function and who had not received previous chemotherapy for their disease were eligible for inclusion. Enrolled patients were randomly assigned centrally 1:1 to a maximum of six 3-week cycles of gemcitabine and cisplastin chemotherapy with or without necitumumab according to a block randomisation scheme (block size of four) by a telephone-based interactive voice response system or interactive web response system. Chemotherapy was gemcitabine 1250 mg/m2 administered intravenously over 30 min on days 1 and 8 of a 3-week cycle and cisplatin 75 mg/m2 administered intravenously over 120 min on day 1 of a 3-week cycle. Necitumumab 800 mg, administered intravenously over a minimum of 50 min on days 1 and 8, was continued after the end of chemotherapy until disease progression or intolerable toxic side-effects occurred. Randomisation was stratified by ECOG performance status and geographical region. Neither physicians nor patients were masked to group assignment because of the expected occurrence of acne-like rash—a class effect of EGFR antibodies—that would have unmasked most patients and investigators to treatment. The primary endpoint was overall survival, analysed by intention to treat. We report the final clinical analysis. This study is registered with ClinicalTrials.gov, number NCT00981058. Between Jan 7, 2010, and Feb 22, 2012, we enrolled 1093 patients and randomly assigned them to receive necitumumab plus gemcitabine and cisplatin (n=545) or gemcitabine and cisplatin (n=548). Overall survival was significantly longer in the necitumumab plus gemcitabine and cisplatin group than in the gemcitabine and cisplatin alone group (median 11·5 months [95% CI 10·4–12·6]) vs 9·9 months [8·9–11·1]; stratified hazard ratio 0·84 [95% CI 0·74–0·96; p=0·01]). In the necitumumab plus gemcitabine and cisplatin group, the number of patients with at least one grade 3 or worse adverse event was higher (388 [72%] of 538 patients) than in the gemcitabine and cisplatin group (333 [62%] of 541), as was the incidence of serious adverse events (257 [48%] of 538 patients vs 203 [38%] of 541). More patients in the necitumumab plus gemcitabine and cisplatin group had grade 3–4 hypomagnesaemia (47 [9%] of 538 patients in the necitumumab plus gemcitabine and cisplatin group vs six [1%] of 541 in the gemcitabine and cisplatin group) and grade 3 rash (20 [4%] vs one [<1%]). Including events related to disease progression, adverse events with an outcome of death were reported for 66 (12%) of 538 patients in the necitumumab plus gemcitabine and cisplatin group and 57 (11%) of 541 patients in the gemcitabine and cisplatin group; these were deemed to be related to study drugs in 15 (3%) and ten (2%) patients, respectively. Overall, we found that the safety profile of necitumumab plus gemcitabine and cisplatin was acceptable and in line with expectations. Our findings show that the addition of necitumumab to gemcitabine and cisplatin chemotherapy improves overall survival in patients with advanced squamous non-small-cell lung cancer and represents a new first-line treatment option for this disease. Eli Lilly and Company.

Background S-588410, a cancer peptide vaccine (CPV), comprises five HLA-A*24:02-restricted peptides from five cancer-testis antigens. In a phase 2 study, S-588410 was well-tolerated and exhibited antitumor efficacy in patients with urothelial cancer. Therefore, we aimed to evaluate the efficacy, immune response, and safety of S-588410 in patients with completely resected esophageal squamous cell carcinoma (ESCC). Methods This phase 3 study involved patients with HLA-A*24:02-positive and lymph node metastasis-positive ESCC who received neoadjuvant therapy followed by curative resection. After randomization, patients were administered S-588410 and placebo (both emulsified with Montanide™ ISA 51VG) subcutaneously. The primary endpoint was relapse-free survival (RFS). The secondary endpoints were overall survival (OS), cytotoxic T-lymphocyte (CTL) induction, and safety. Statistical significance was tested using the one-sided weighted log-rank test with the Fleming–Harrington class of weights. Results A total of 276 patients were randomized ( N  = 138/group). The median RFS was 84.3 and 84.1 weeks in the S-588410 and placebo groups, respectively ( P  = 0.8156), whereas the median OS was 236.3 weeks and not reached, respectively ( P  = 0.6533). CTL induction was observed in 132/134 (98.5%) patients who received S-588410 within 12 weeks. Injection site reactions (137/140 patients [97.9%]) were the most frequent treatment-emergent adverse events in the S-588410 group. Prolonged survival was observed in S-588410-treated patients with upper thoracic ESCC, grade 3 injection-site reactions, or high CTL intensity. Conclusions S-588410 induced immune response and had acceptable safety but failed to reach the primary endpoint. A high CTL induction rate and intensity may be critical for prolonging survival during future CPV development.

Background Neoadjuvant therapy followed by surgery is the standard treatment for locally advanced esophageal cancers. During neoadjuvant therapy, tumor-induced esophageal stenosis or adverse events often cause weight loss. However, little is known about the effects of weight loss during neoadjuvant therapy on postoperative complications or prognosis. We investigated the association between weight loss during neoadjuvant chemotherapy, postoperative infectious complications, and prognosis. Methods Data from OGSG1003, a randomized phase-II trial comparing two regimens of neoadjuvant chemotherapy, cisplatin and fluorouracil plus Adriamycin and cisplatin and fluorouracil plus docetaxel, for locally advanced esophageal squamous cell carcinoma were used. Body weight was measured before neoadjuvant chemotherapy and esophagectomy. Multivariate analysis for infectious complications and prognosis was performed. Results The study included 134 patients. The median weight loss during neoadjuvant chemotherapy was 2.83% (−2.07% to 6.29%). Postoperative infectious complications were observed in 37 patients who had a significantly higher weight loss during neoadjuvant chemotherapy (5.18% vs. 1.90%, P  = 0.002). Multivariate analysis revealed that > 5% of weight loss during neoadjuvant chemotherapy was the only independent factor associated with postoperative infectious complications (odds ratio 2.69, 95% confidence interval 1.12–6.46, P  = 0.027). Weight loss during neoadjuvant chemotherapy was significantly associated with worse recurrence-free survival in the univariate analysis (log-rank test, P  = 0.002), but this association was marginal in the multivariate analysis (hazard ratio 1.73, 95% confidence interval 0.98–3.08, P  = 0.058). Conclusions Severe weight loss during neoadjuvant chemotherapy was an independent risk factor for postoperative infectious complications. Weight maintenance during neoadjuvant chemotherapy may reduce the incidence of postoperative infectious complications.

Purpose To evaluate the efficacy and safety of nanoliposomal irinotecan (nal‐IRI) plus 5‐fluorouracil (5‐FU) and leucovorin (LV) in patients with platinum‐refractory or intolerant head and neck squamous cell carcinoma (HNSCC) and esophageal squamous cell carcinoma (ESCC). Methods In this multicenter, phase 2 study (NCT03712397), patients with advanced HNSCC (n = 43) or ESCC (n = 16) who had failed or were intolerant to platinum‐based chemotherapy received biweekly nal‐IRI 80 mg/m2 (equivalent to 70 mg/m2 of irinotecan base), LV 400 mg/m2, and 5‐FU 2400 mg/m2 until progression or unacceptable toxicity. The primary endpoint was the objective response rate (ORR). Results In the intent‐to‐treat analysis, the ORR and disease control rate were 8.5% and 59.3% for the entire group. In the HNSCC subgroup, ORR and disease control rate were 11.6% and 65.1%, with a median progression‐free survival (PFS) of 2.7 months and an overall survival (OS) of 8.1 months. By contrast, no objective responses were observed in ESCC (ORR 0%, disease control rate 43.8%, median OS 4.2 months). The most common grade 3/4 toxicities were lymphopenia (50.8%), neutropenia (42.4%), leukopenia (33.9%), anemia (28.8%), and anorexia (8.5%). Conclusions Nal‐IRI/5‐FU/LV demonstrates modest activity with acceptable safety profiles in patients with platinum‐refractory or intolerable advanced HNSCC. The exploratory findings warrant confirmation in larger, randomized studies. Trial Registration ClinicalTrials.gov: NCT03712397

Background: In our country, head and neck cancers account for about a third of all cancers. Moreover, the patients typically present in advanced stages, which entails intensive multimodality therapy; but there is not much scope for improved survival outcomes. In view of this, a study was conducted to know the effects of treatment intensification, wherein moderately accelerated fractionation radiotherapy was given to patients presenting with advanced cancer of head and neck. This treatment was further intensified by accompanying radiation with concurrent cisplatin chemotherapy in daily doses. The control arm received the current standard therapy of conventional fractionation radiotherapy with weekly cisplatin chemotherapy. Methods: The primary objective of the study was to determine the prospect of tumor control (TC), disease-free survival (DFS), and overall survival (OS). The secondary objective was to study acute toxicity and late toxicity of the highest grade in both treatment groups. The study was conducted on a total of 60 patients who presented with locally advanced squamous cell carcinoma of the head and neck. The 30 patients in the control group received conventional fractionated radiotherapy (five fractions per week) with weekly cisplatin chemotherapy (40 mg/m2), whereas the remaining 30 in the study group received moderately accelerated radiotherapy (six fractions per week with same treatment field) along with daily cisplatin chemotherapy (6 mg/m2) with a reduction in treatment time by 1 week. Results: The overall response to therapy assessed as TC, DFS, and OS was compared, and no statistically significant difference between the two treatment arms was observed. However, the mean overall treatment time was reduced in the study group to 45 days as compared with 49 days in the control group (P = 0.001). The acute toxicities of xerostomia (P = 0.057) and skin (P = 0.052) and late toxicity of aspiration/laryngeal toxicity (P = 0.002) were higher in grade and number in the study group with accelerated fractionation. Conclusions: Hence, the study results suggest that it is a feasible option to combine the therapeutic benefits of accelerated fractionation radiotherapy with concurrent chemotherapy in patients with locally advanced head and neck carcinomas. There is a significant decrease in the overall treatment time and a considerable reduction in the load on the resource-constrained healthcare system. It would be equitable to point out that higher grade of few toxicities in the acceleration arm are likely due to doses to organs at risk being intensified with accelerated fractionation, which can now be delivered in a controlled manner with the latest high precision techniques, resulting in improved toxicity profile and quality of life which is the way forward for future studies.

At the first interim analysis of the phase 3 ENGOT-cx11/GOG-3047/KEYNOTE-A18 study, the addition of pembrolizumab to chemoradiotherapy provided a statistically significant and clinically meaningful improvement in progression-free survival in patients with locally advanced cervical cancer. We report the overall survival results from the second interim analysis of this study. Eligible patients with newly diagnosed, high-risk (FIGO 2014 stage IB2–IIB with node-positive disease or stage III–IVA regardless of nodal status), locally advanced, histologically confirmed, squamous cell carcinoma, adenocarcinoma, or adenosquamous cervical cancer were randomly assigned 1:1 to receive five cycles of pembrolizumab (200 mg) or placebo every 3 weeks with concurrent chemoradiotherapy, followed by 15 cycles of pembrolizumab (400 mg) or placebo every 6 weeks. Pembrolizumab or placebo and cisplatin were administered intravenously. Patients were stratified at randomisation by planned external beam radiotherapy type (intensity-modulated radiotherapy [IMRT] or volumetric-modulated arc therapy [VMAT] vs non-IMRT or non-VMAT), cervical cancer stage at screening (FIGO 2014 stage IB2–IIB node positive vs III–IVA), and planned total radiotherapy (external beam radiotherapy plus brachytherapy) dose (<70 Gy vs ≥70 Gy [equivalent dose of 2 Gy]). Primary endpoints were progression-free survival per RECIST 1.1 by investigator or by histopathological confirmation of suspected disease progression and overall survival defined as the time from randomisation to death due to any cause. Safety was a secondary endpoint. Between June 9, 2020, and Dec 15, 2022, 1060 patients at 176 sites in 30 countries across Asia, Australia, Europe, North America, and South America were randomly assigned to treatment, with 529 patients in the pembrolizumab–chemoradiotherapy group and 531 patients in the placebo–chemoradiotherapy group. At the protocol-specified second interim analysis (data cutoff Jan 8, 2024), median follow-up was 29·9 months (IQR 23·3–34·3). Median overall survival was not reached in either group; 36-month overall survival was 82·6% (95% CI 78·4–86·1) in the pembrolizumab–chemoradiotherapy group and 74·8% (70·1–78·8) in the placebo–chemoradiotherapy group. The hazard ratio for death was 0·67 (95% CI 0·50–0·90; p=0·0040), meeting the protocol-specified primary objective. 413 (78%) of 528 patients in the pembrolizumab–chemoradiotherapy group and 371 (70%) of 530 in the placebo–chemoradiotherapy group had a grade 3 or higher adverse event, with anaemia, white blood cell count decreased, and neutrophil count decreased being the most common adverse events. Potentially immune-mediated adverse events occurred in 206 (39%) of 528 patients in the pembrolizumab–chemoradiotherapy group and 90 (17%) of 530 patients in the placebo–chemoradiotherapy group. This study is registered with ClinicalTrials.gov, NCT04221945. Pembrolizumab plus chemoradiotherapy significantly improved overall survival in patients with locally advanced cervical cancer These data, together with results from the first interim analysis, support this immuno-chemoradiotherapy strategy as a new standard of care for this population. Merck Sharp & Dohme, a subsidiary of Merck & Co.

BackgroundThe optimal chemotherapy regimen in concurrent chemoradiotherapy (CCRT) for cisplatin-ineligible head and neck squamous cell carcinoma (HNSCC) has not been established. We aimed to evaluate the feasibility, efficacy, and safety of CCRT with weekly low-dose carboplatin for the treatment of advanced HNSCC in patients who are cisplatin-ineligible.MethodsThis prospective phase II study enrolled adult patients (age ≥ 20 years) with HNSCC receiving whole-neck irradiation including bilateral levels II–IV and who were aged (≥ 75-year-old patients with 40 mL/min estimated glomerular filtration rate [eGFR] or better) or had renal dysfunction (< 75-year-old patients with 30–60 mL/min eGFR). Carboplatin was administered weekly (area under the plasma concentration–time curve = 2.0) for up to seven cycles during concurrent radiotherapy (70 Gy/35 Fr). The primary endpoint was the completion rate of CCRT. Secondary endpoints included overall response rate and incidence of adverse events.ResultsAmong the 30 patients enrolled, 28 were men. The median age was 73.5 years. Seventeen patients were < 75 years whereas 13 were ≥ 75 years old. The completion rate of CCRT was 90%. The overall response rate was 90%. Grade 3 adverse events that occurred in 10% or more patients were oral/pharyngeal mucositis (47%), leukocytopenia (20%), and neutropenia (10%). Grade 4 adverse events occurred in one patient (elevation of alanine aminotransferase level). No treatment-related deaths occurred.ConclusionCCRT with weekly low-dose carboplatin is a promising treatment option, with favorable feasibility, efficacy, and acceptable toxicity, for patients who are cisplatin-ineligible with advanced HNSCC.Clinical Trial Registration NumberjRCTs031190028.

Pantoprazole decreases the acidity of the tumor microenvironment by inhibiting proton pumps on the cancer cell. This possibly leads to increased sensitivity to cytotoxic therapy. We conducted a phase I/II randomized controlled trial in adult patients with head and neck squamous cell carcinoma (HNSCC) planned for first-line palliative chemotherapy. Patients were randomized to chemotherapy + / − intravenous (IV) pantoprazole. The primary endpoint in phase I was to determine the maximum safe dose of intravenous pantoprazole, whereas it was progression-free survival (PFS) in phase II. The dose of IV pantoprazole established in phase I was 240 mg. Between Nov’18 and Oct’20, we recruited 120 patients in phase II, 59 on pantoprazole and 61 on the standard arm. Median age was 51 years (IQR 43–60), 80% were men. Systemic therapy was IV cisplatin in 22% and oral-metronomic-chemotherapy (OMC) in 78%. Addition of pantoprazole did not prolong PFS, which was 2.2 months (95% CI 2.07–3.19) in the pantoprazole arm and 2.5 months (95% CI 2.04–3.81, HR, 1.14; 95% CI 0.78–1.66; P  = 0.48) in the standard arm. Response rates were similar; pantoprazole arm 8.5%, standard arm 6.6%; P  = 0.175. Overall survival was also similar; 5.6 months (95% CI 4.47–8.51) in the pantoprazole arm and 5.4 months (95% CI 3.48–8.54, HR 1.06; 95% CI 0.72–1.57; P  = 0.75) in the standard arm. Grade ≥ 3 toxicities were similar. Thus, pantoprazole 240 mg IV added to systemic therapy does not improve outcomes in patients with advanced HNSCC.

With use of EGFR tyrosine-kinase inhibitor monotherapy for patients with activating EGFR mutation-positive non-small-cell lung cancer (NSCLC), median progression-free survival has been extended to about 12 months. Nevertheless, new strategies are needed to further extend progression-free survival and overall survival with acceptable toxicity and tolerability for this population. We aimed to compare the efficacy and safety of the combination of erlotinib and bevacizumab compared with erlotinib alone in patients with non-squamous NSCLC with activating EGFR mutation-positive disease. In this open-label, randomised, multicentre, phase 2 study, patients from 30 centres across Japan with stage IIIB/IV or recurrent non-squamous NSCLC with activating EGFR mutations, Eastern Cooperative Oncology Group performance status 0 or 1, and no previous chemotherapy for advanced disease received erlotinib 150 mg/day plus bevacizumab 15 mg/kg every 3 weeks or erlotinib 150 mg/day monotherapy as a first-line therapy until disease progression or unacceptable toxicity. The primary endpoint was progression-free survival, as determined by an independent review committee. Randomisation was done with a dynamic allocation method, and the analysis used a modified intention-to-treat approach, including all patients who received at least one dose of study treatment and had tumour assessment at least once after randomisation. This study is registered with the Japan Pharmaceutical Information Center, number JapicCTI-111390. Between Feb 21, 2011, and March 5, 2012, 154 patients were enrolled. 77 were randomly assigned to receive erlotinib and bevacizumab and 77 to erlotinib alone, of whom 75 patients in the erlotinib plus bevacizumab group and 77 in the erlotinib alone group were included in the efficacy analyses. Median progression-free survival was 16·0 months (95% CI 13·9–18·1) with erlotinib plus bevacizumab and 9·7 months (5·7–11·1) with erlotinib alone (hazard ratio 0·54, 95% CI 0·36–0·79; log-rank test p=0·0015). The most common grade 3 or worse adverse events were rash (19 [25%] patients in the erlotinib plus bevacizumab group vs 15 [19%] patients in the erlotinib alone group), hypertension (45 [60%] vs eight [10%]), and proteinuria (six [8%] vs none). Serious adverse events occurred at a similar frequency in both groups (18 [24%] patients in the erlotinib plus bevacizumab group and 19 [25%] patients in the erlotinib alone group). Erlotinib plus bevacizumab combination could be a new first-line regimen in EGFR mutation-positive NSCLC. Further investigation of the regimen is warranted. Chugai Pharmaceutical Co Ltd.