Real-world data of first-line treatment with pembrolizumab for NSCLC with high PD-L1 expression in elderly patients: a subgroup analysis of HOT/NJLCG2001.

In the first-line treatment of elderly patients with advanced-stage non-small cell lung cancer (NSCLC) with high programmed death-ligand 1 (PD-L1) expression (tumor proportion score ≥ 50%), this study aimed to determine whether pembrolizumab monotherapy (MONO) or pembrolizumab plus platinum-based chemotherapy (COMB) should be selected. We performed a retrospective multicenter study (sub-analysis of the HOT/NJLCG2001 trial) of 299 patients with NSCLC with high PD-L1 expression who received MONO or COMB as the first-line treatment between December 2018 and January 2020. We selected patients aged 75 years and older and assessed the clinical efficacy and toxicity. In total, 81 (median age: 79 years) and 19 (median age: 76 years) patients received MONO and COMB, respectively. Twenty patients with a performance status (PS) score of 2-3 were enrolled in the MONO group. The median progression-free survival (PFS) was 7.8 and 8.9 months in the MONO and COMB groups, respectively. The median overall survival (OS) was 14.6 and 20.3 months, and the 2-year survival rates were 38.8 and 49.9%, respectively. Furthermore, 29.6% and 26.3% of patients discontinued treatment due to adverse events, respectively. In MONO, patients with PS 0-1 had a longer PFS (10.5 months) and OS (21.7 months) than those with PS 2-3 (0.7 and 1.6 months, respectively). Some elderly patients with NSCLC and high PD-L1 expression might benefit from COMB; however, MONO is considered the preferred treatment. MONO may not be an effective or feasible treatment for patients with PS 2-3, even with high PD-L1 expression.

Tateishi K ，Mizugaki H ，Ikezawa Y ，Morita R ，Yokoo K ，Sumi T ，Aso M ，Kikuchi H ，Nakamura A ，Sekikawa M ，Yoshiike F ，Kitamura Y ，Kimura N ，Hachiya T ，Tsurumi K ，Agatsuma T ，Megumi F ，Nakamura K ，Jingu D ，Yamamoto H ，Kosaka M ，Yokouchi H ... -  《-》

Efficacy and safety of first-line pembrolizumab monotherapy in elderly patients (aged ≥ 75 years) with non-small cell lung cancer.

Imai H ，Wasamoto S ，Yamaguchi O ，Suzuki K ，Sugiyama T ，Uchino J ，Minemura H ，Osaki T ，Ishii H ，Umeda Y ，Mori K ，Kotake M ，Kagamu H ，Morozumi N ，Taniguchi H ，Kasai T ，Minato K ，Kaira K ... -  《-》

Determinants of 5-year survival in patients with advanced NSCLC with PD-L1≥50% treated with first-line pembrolizumab outside of clinical trials: results from the Pembro-real 5Y global registry.

Pembrolizumab monotherapy is an established front-line treatment for advanced non-small cell lung cancer (NSCLC) with programmed cell death-ligand 1 (PD-L1) tumor proportion score (TPS)≥50%. However, real-world data on its long-term efficacy remains sparse. This study assessed 5-year outcomes of first-line pembrolizumab monotherapy in a large, multicenter, real-world cohort of patients with advanced NSCLC and PD-L1 TPS≥50%, referred to as Pembro-real 5Y. Individual patient-level data (IPD) from the experimental arm of the KEYNOTE-024 trial were extracted (KN024 IPD cohort) to compare the long-term outcomes between the two cohorts. To further assess the reproducibility of clinical trial results, we reconstructed the "KN024 look-alike" cohort by excluding patients with an Eastern Cooperative Oncology Group-performance status (ECOG-PS)≥2, those requiring corticosteroids with doses ≥10 mg of prednisolone/equivalent, patients with positive/unknown epidermal growth factor receptor/anaplastic lymphoma kinase genotype, and those with pre-existing autoimmune disease. We additionally provided a hierarchical organization of determinants of long-term benefit through a conditional inference tree analysis. The study included 1050 patients from 61 institutions across 14 countries, with a median follow-up of 70.3 months. The 5-year survival rate was 26.9% (95% CI: 23.8% to 30.2%), and median OS was 21.8 months (95% CI: 19.1 to 25.7), while 32 (3.0%) patients who achieved a complete response remained progression-free at the data cut-off. The KN024 look-alike cohort had a 5-year survival rate of 29.3% (95% CI: 25.5% to 33.6%) and a median OS of 27.5 months (95% CI: 22.8 to 31.3). Neither the overall study population nor the KN024 look-alike cohort exhibited significantly different OS compared with the KN024 IPD cohort. By the data cut-off, 1015 patients (96.7%) had permanently discontinued treatment: 659 (64.9%) due to progressive disease, 156 (15.4%) due to toxicity, 77 (7.6%) due to treatment completion, and 106 (10.4%) due to other reasons. Overall, 222 participants (21.1%) were treated for a minimum period of 24 months, among them the 5-year survival rates were: 31.7%, 72.7%, 78.6%, 84.2% for patients who discontinued treatment due to progressive disease, toxicity, treatment completion, and other reasons, respectively. This study provides valuable real-world evidence that confirms the long-term efficacy of pembrolizumab outside of clinical trials. Hierarchical organization indicates ECOG-PS, age and PD-L1-TPS as the most important predictors of 5-year survival, potentially informing clinical practice.

Cortellini A ，Brunetti L ，Di Fazio GR ，Garbo E ，Pinato DJ ，Naidoo J ，Katz A ，Loza M ，Neal JW ，Genova C ，Gettinger S ，Kim SY ，Jayakrishnan R ，El Zarif T ，Russano M ，Pecci F ，Di Federico A ，Awad M ，Alessi JV ，Montrone M ，Owen DH ，Signorelli D ，Fidler MJ ，Li M ，Camerini A ，De Giglio A ，Young L ，Vincenzi B ，Metro G ，Passiglia F ，Yendamuri S ，Guida A ，Ghidini M ，Awosika NO ，Napolitano A ，Fulgenzi CAM ，Grisanti S ，Grossi F ，D'Incecco A ，Josephides E ，Van Hemelrijck M ，Russo A ，Gelibter A ，Spinelli G ，Verrico M ，Tomasik B ，Giusti R ，Newsom-Davis T ，Bria E ，Sebastian M ，Rost M ，Forster M ，Mukherjee U ，Landi L ，Mazzoni F ，Aujayeb A ，Dupont M ，Curioni-Fontecedro A ，Chiari R ，Pantano F ，Morabito A ，Leonetti A ，Friedlaender A ，Addeo A ，Zoratto F ，De Tursi M ，Cantini L ，Roca E ，Mountzios G ，Della Gravara L ，Kalvapudi S ，Inno A ，Bironzo P ，Di Marco Barros R ，O'Reilly D ，Bell J ，Karapanagiotou E ，Monnet I ，Baena J ，Macerelli M ，Majem M ，Agustoni F ，Cortinovis DL ，Tonini G ，Minuti G ，Bennati C ，Mezquita L ，Gorría T ，Servetto A ，Beninato T ，Lo Russo G ，Rogado J ，Moliner L ，Biello F ，Aboubakar Nana F ，Dingemans AM ，Aerts JGJV ，Ferrara R ，Torri V ，Hejleh TA ，Takada K ，Naqash AR ，Garassino M ，Peters S ，Wakelee H ，Nassar AH ，Ricciuti B ... -  《Journal for ImmunoTherapy of Cancer》

Safety and efficacy of pembrolizumab monotherapy in elderly patients with PD-L1-positive advanced non-small-cell lung cancer: Pooled analysis from the KEYNOTE-010, KEYNOTE-024, and KEYNOTE-042 studies.

Most lung cancer diagnoses occur in elderly patients, who are underrepresented in clinical trials. We present a pooled analysis of safety and efficacy in elderly patients (≥75 years) who received pembrolizumab (a programmed death 1 inhibitor) for advanced non-small-cell lung cancer (NSCLC) with programmed death ligand 1 (PD-L1)‒positive tumors. The pooled analysis included patients aged ≥18 years with advanced NSCLC with PD-L1-positive tumors from the KEYNOTE-010 (NCT01905657), KEYNOTE-024 (NCT02142738), and KEYNOTE-042 (NCT02220894) studies. In KEYNOTE-010, patients were randomized to pembrolizumab 2 or 10 mg/kg every 3 weeks (Q3W) or docetaxel, as second- or later-line therapy. In KEYNOTE-024 and KEYNOTE-042, patients were randomized to first-line pembrolizumab 200 mg Q3W or platinum-based chemotherapy. Overall survival (OS) was estimated by the Kaplan-Meier method, and safety data were summarized in elderly patients (≥75 years). The analysis included 264 elderly patients with PD-L1-positive tumors (PD-L1 tumor proportion score [TPS] ≥1%); among these, 132 had PD-L1 TPS ≥ 50%. Pembrolizumab improved OS among elderly patients with PD-L1 TPS ≥ 1% (hazard ratio [HR], 0.76 [95% CI, 0.56-1.02]) and PD-L1 TPS ≥ 50% (HR, 0.40 [95% CI, 0.25-0.64]). Pembrolizumab as first-line therapy also improved OS among elderly patients with PD-L1 TPS ≥ 50% (from KEYNOTE-024 and KEYNOTE-042) compared with chemotherapy (HR, 0.41 [95% CI, 0.23‒0.73]). Pembrolizumab was associated with fewer treatment-related adverse events (AEs) in elderly patients (overall, 68.5% vs 94.3%; grade ≥3, 24.2% vs 61.0%) versus chemotherapy. Immune-mediated AEs and infusion reactions were more common with pembrolizumab versus chemotherapy (overall, 24.8% vs 6.7%; grade 3‒4: 9.4% vs 0%; no grade 5 events). In this pooled analysis of elderly patients with advanced NSCLC with PD-L1‒positive tumors, pembrolizumab improved OS versus chemotherapy, with a more favorable safety profile. Outcomes with pembrolizumab in patients ≥75 years were comparable to those in the overall populations in the individual studies.

Nosaki K ，Saka H ，Hosomi Y ，Baas P ，de Castro G Jr ，Reck M ，Wu YL ，Brahmer JR ，Felip E ，Sawada T ，Noguchi K ，Han SR ，Piperdi B ，Kush DA ，Lopes G ... -  《-》

Comparison of efficacy and safety of PD-1/PD-L1 combination therapy in first-line treatment of advanced NSCLC: an updated systematic review and network meta-analysis.

The use of immune checkpoint inhibitors has led to an increase in randomized controlled trials exploring various first-line combination treatment regimens. With the introduction of new PD-1/PD-L1 inhibitors, there are now more clinical options available. For the first time, the AK105 monoclonal antibody Penpulimab, developed in China, was included. The AK105-302 Phase III trial studied the efficacy and safety of Penpulimab combined with chemotherapy in patients with advanced or metastatic squamous NSCLC. To determine the optimal treatment options, we conducted an updated network meta-analysis to compare the effectiveness and safety of these regimens. The system retrieves data from Chinese and English electronic databases, Clinical Trials, and the gov Clinical Trial Registration website up to September 6, 2023. The study indirectly compared the efficacy and safety of PD-1/PD-L1 combination regimens, including overall survival (OS), progression-free survival (PFS), objective response rate (ORR), all-grade adverse events, and above-grade III adverse events. Subgroup analyses were conducted based on programmed death ligand 1 (PD-L1) level, histological type, ECOG score, sex, and smoking history. Nineteen RCTS were included, with a total of ten thousand eight hundred patients. Penpulimab plus chemotherapy (Pen + CT) provided the best OS (HR = 0.55, 95% CI 0.38-0.81) for PD-L1 patients with non-selective advanced NSCLC. Except Nivolumab plus Ipilimumab (Niv + Ipi), other PD-1/PD-L1 combination therapies significantly extended PFS compared with CT, and Nivolumab plus Bevacizumab combined with chemotherapy (Niv + Bev + CT) (HR = 0.43, 95% CI 0.26-0.74) provided the best PFS benefit and was comparable to Pen + CT (HR = 1.0) for PFS prolongation. For ORR, except Niv + Ipi, all the other regimens significantly improved ORR compared with CT. In terms of safety, except Tor + CT, the incidence of any-grade AEs or grade ≥ 3 adverse events may be higher than those of chemotherapy. The subgroup analysis revealed that for patients with PD-L1 levels below 1%, treatment with Tor + CT resulted in the best progression-free survival (HR = 0.47, 95% CI 0.25-0.86). For patients with PD-L1 levels of 1% or higher, Sintilimab plus chemotherapy (Sin + CT) (HR = 0.56, 95% CI 0.31-0.99) and Camrelizumab plus chemotherapy (Cam + CT) (HR = 0.43, 95% CI 0.28-0.64) were associated with the best overall survival and progression-free survival, respectively. For patients with SqNSCLC, combined immunotherapy may provide greater survival benefits. For patients with Non-sqNSCLC, Niv + Bev + CT and Tor + CT were associated with optimal PFS and OS, respectively. Cam + CT provided the best PFS in male patients with a history of smoking and an ECOG score of 0. In both female and non-smoking patient subgroups, Pem + CT was associated with the best PFS and OS benefits. For patients with advanced non-selective PD-L1 NSCLC, two effective regimens are Pen + CT and Niv + Bev + CT, which rank first in OS and PFS among all patients. Cam + CT and Tor + CT have advantages for OS in patients with SqNSCLC and Non-sqNSCLC, respectively. Niv + Ipi + CT provided the best OS benefit for patients with an ECOG score of 0, while Pem + CT may be the most effective treatment for patients with an ECOG score of 1. Pem + CT has a better effect on female patients and non-smokers. Sin + CT was found to be the most effective treatment for male patients and the smoking subgroup, while Cam + CT was found to be the most effective for PFS. In addition, Tor + CT was associated with the best PFS for patients with negative PD-L1 expression. Pem + CT was found to significantly improve both PFS and OS compared to CT alone. For patients with positive PD-L1 expression, Sin + CT and Cam + CT were found to be optimal for OS and PFS, respectively. It is important to note that, with the exception of Tor + CT, the toxicity of the other combinations was higher than that of CT alone.

Yang Y ，Chen W ，Dong L ，Duan L ，Gao P ... -  《-》