Genomic Features of Response to Combination Immunotherapy in Patients with Advanced Non-Small-Cell Lung Cancer.
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ABSTRACT:
SUBMITTER: Hellmann MD
PROVIDER: S-EPMC5953836 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:Programmed death 1/programmed death ligand 1 (PD-1/PD-L1) inhibitor has become one of the important treatment options for patients with advanced non-small cell lung cancer (NSCLC). However, only a small subset of patients with NSCLC can currently receive single-agent PD-1 inhibitors as first-line therapy, for the limitations of population selection exclude most patients from immuno-oncology (IO) monotherapy. In order to expand the candidate population for IO first-line treatment and make more newly diagnosed patients benefit from IO treatment, a series of studies are focusing on the combination of IO and other drugs in NSCLC. We reviewed the latest clinical data of IO first-line combination therapy in recent years, suggesting that on the basis of PD-1/PD-L1 inhibitors, combined with other IO, chemotherapy, anti-angiogenic drugs, targeted therapy or radiotherapy may produce synergistic anti-tumor effects. It is expected to benefit more newly diagnosed patients.?.
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Project description:Treatment for advanced non-small cell lung cancer (NSCLC) has been significantly improved in recent years with the incorporation of drugs targeting antiangiogenesis and more specifically genomic alterations such as the EGFR mutations and ALK translocations. However, most patients invariably progress and die. The emergence of immune checkpoint inhibitors targeting the pathways involved in tumor-induced immunosuppression have redefined the management of the disease, achieving significant long-lasting responses with manageable safety profiles, regardless of histology. Still, response rates with immunotherapy are deemed suboptimal. Current efforts are focusing on new potential combination strategies with synergistic antitumor activity, using immune checkpoint blockade as a partner for targeted agents. Herein we discuss the available data on the combined use of immunotherapy, including PD-1/PD-L1 and CTLA-4 inhibitors, with EGFR and ALK inhibitors and comment on the current status of immunotherapy plus antiangiogenic drugs for molecularly unselected advanced NSCLC.
| S-EPMC5784559 | biostudies-literature
Project description:Immune checkpoint inhibitors enhance the activation and antitumor activity of the immune system, resulting in durable response rates in a select group of patients. Cytotoxic T lymphocyte antigen 4 (CTLA4) inhibitors target the inhibitory interaction between CTLA4 and CD80 or CD86. Programmed death 1 (PD1) inhibitors target the interaction between PD1 receptors on T-cells and PD-ligand 1 (PD-L1) and PD-ligand 2, blocking the inhibitory signaling and resulting in activation of T-cell effector function. These therapeutic drugs were originally evaluated in patients with metastatic melanoma before expansion to all tumor types, including non-small cell lung cancer (NSCLC) with promising results. The PD1 inhibitors such as pembrolizumab have now received FDA approval in the first-line setting for patients with positive PD-L1 expression tumor types; however, only a portion of patients have shown objective and sustainable responses. To expand the number of patients with observed response to immunotherapeutic agents including patients with negative PD-L1 expression tumors, clinical trials are ongoing to assess the safety and efficacy of combination immune checkpoint inhibitors and combination immune checkpoint inhibitors with targeted therapy. Immune checkpoint inhibitors have been found to be a promising therapeutic drug class with sustainable response rates and a tolerable safety profile, and efforts continue to improve these drugs in patients with NSCLC.
| S-EPMC5861267 | biostudies-literature
Project description:BackgroundBone metastases (BoM) are a negative prognostic factor in non-small-cell lung cancer (NSCLC). Beyond its supportive role, bone is a hematopoietic organ actively regulating immune system. We hypothesized that BoM may influence sensitivity to immunotherapy.MethodsPretreated non-squamous (cohort A) and squamous (cohort B) NSCLCs included in the Italian Expanded Access Program were evaluated for nivolumab efficacy according to BoM.ResultsCohort A accounted for 1588 patients with non-squamous NSCLC, including 626 (39%) with (BoM+) and 962 (61%) without BoM (BoM-). Cohort B accounted for 371 patients with squamous histology including 120 BoM+ (32%) and 251 (68%) BoM- cases. BoM+ had lower overall response rate (ORR; Cohort A: 12% versus 23%, p?<? 0.0001; Cohort B: 13% versus 22%, p?=?0.04), shorter progression free survival (PFS; Cohort A: 3.0 versus 4.0?months, p?<? 0.0001; Cohort B: 2.7 versus 5.2?months, p?<? 0.0001) and overall survival (OS; Cohort A: 7.4 versus 15.3?months, p?<? 0.0001; Cohort B: 5.0 versus 10.9?months, p?<?0.0001). Moreover, BoM negatively affected outcome irrespective of performance status (PS; OS in both cohorts: p?<?0.0001) and liver metastases (OS cohort A: p?<?0.0001; OS Cohort B: p?=?0.48). At multivariate analysis, BoM independently associated with higher risk of death (cohort A: HR 1.50; cohort B: HR 1.78).ConclusionsBoM impairs immunotherapy efficacy. Accurate bone staging should be included in clinical trials with immunotherapy.
| S-EPMC6868703 | biostudies-literature
Project description:Taking into account the huge epidemiologic impact of lung cancer (in 2020, lung cancer accounted for 2,206,771 of the cases and for 1,796,144 of the cancer-related deaths, representing the second most common cancer in female patients, the most common cancer in male patients, and the second most common cancer in male and female patients) and the current lack of recommendations in terms of prognostic factors for patients selection and management, this article aims to provide an overview of the current landscape in terms of currently available immunotherapy treatments and the most promising assessed prognostic biomarkers, highlighting the current state-of-the-art and hinting at future challenges.
| S-EPMC10571734 | biostudies-literature
Project description:PurposeThe presence of bone metastasis at baseline has been associated with dismal prognosis under immunotherapy in advanced non-small cell lung cancer (NSCLC). Response Evaluation Criteria in Solid Tumors (RECIST) criteria may be limited for bone-specific response evaluation. Whether their assessment through MD Anderson (MDA) criteria predict immunotherapy efficacy is unknown.Materials and methodsWe conducted a single-center retrospective study to assess the use of MDA criteria in evaluating bone metastasis in NSCLC treated with immunotherapy. Radiological imaging were reviewed to classify bone lesions as osteolytic, osteoblastic, or mixed. Bone response to treatment data was classified according to MDA criteria.Results222 patients received single-agent immunotherapy. The presence of bone metastasis increased the risk of death both in the univariate (HR: 1.46, 95% CI, 1.05-2.03, p = 0.024) and in the multivariate model (HR: 1.61, 95% CI, 1.10-2.36, p = 0.015). According to MDA criteria, 57.3% of patients had progressive disease as best response, 29.5% stable disease, 11.4% partial response and 1.6% complete response. Bone-specific objective response was associated with a significantly increased median overall survival (11.3 vs. 3.1 months, p = 0.027) and longer median progression-free survival (6 vs. 2.1 months, p = 0.056). The median time to bone failure (TBF) was 2.4 months (IQR, 1.67-3.0). In 25.7% of cases, TBF was shorter than progression-free survival according to RECIST 1.1 criteria. TBF was positively correlated with overall survival (HR = 0.73, p = 0.00019).ConclusionsMDA criteria represent a reliable tool in assessing bone-specific response, offering a more accurate evaluation with the aim to earlier predict survival outcomes or treatment failure compared to RECIST criteria for advanced NSCLC patients receiving immunotherapy.
| S-EPMC10097761 | biostudies-literature
Project description:Lung cancer is the leading cause of cancer-related mortality worldwide. Non-small cell lung cancer (NSCLC) comprises approximately 85% of lung cancers and, unfortunately, more than half of these patients are diagnosed with metastatic disease. Platinum-based chemotherapy has for long been the standard frontline therapy for advanced disease. Despite remarkable advances in targeted therapy for a subset of patients harboring a driver mutation, the prognosis in the majority of the lung cancer population have not changed significantly. More recently, immunotherapy has drastically changed the treatment of NSCLC and have established a new treatment paradigm for these patients. Pembrolizumab is now the new mainstay first-line treatment for those with high-PD-L1 expression. However, many questions remain regarding how to sequence and combine these agents in the frontline setting. The optimal patient selection strategies are also unclear. High PD-L1 expression is associated with higher response rates, but even patients with low or absent PD-L1 expression benefit from these drugs. More recently, tumor mutational burden is been proposed as a potential predictive marker for response. This article will review the data regarding the usage of immunotherapy in treatment naive advanced NSCLC.
| S-EPMC5861272 | biostudies-literature
Project description:INTRODUCTION:Cardiovascular toxicity of immunotherapy represents an underreported but potentially fatal side effect. A relatively high incidence of pericardial disease has been noticed in patients with non-small cell lung cancer (NSCLC). METHODS:We retrospectively analyzed a population of patients with advanced NSCLC receiving immune checkpoint inhibitors (ICIs) looking for the presence of pericardial effusion at baseline or during treatment. The study population was compared with a control group treated with chemotherapy. All patients were checked for the presence of concomitant pleural effusion. RESULTS:We identify 60 patients (36 male/24 female, median age 70 years [range 43-81]). Prevalent histology was adenocarcinoma (65%) followed by squamous cell carcinoma (28%) and large cell or not otherwise specified (NOS) carcinoma (7%). Treatment consisted of nivolumab 3 mg/kg every 14 days (52 cases; 45 as second-line and 7 as third-line treatment) or pembrolizumab 200 mg (8 cases; all first-line treatment) for a total of 302 cycles delivered. Four out of 60 patients (6.7%) developed pericardial effusion during treatment, in two cases (3.3%) without concomitant pleural effusion, compared to 2 out of 60 (3.3%) in the control group in one case without concomitant pleural effusion (1.6%). Median time of onset was 40 days. Myocarditis was not observed. CONCLUSION:Our findings confirm pericardial effusion as a relatively frequent side effect of immunotherapy in NSCLC. Clinicians should be aware of this specific toxicity in patients with metastatic NSCLC receiving immunotherapy and refer to a cardiologist for a multidisciplinary approach.
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Project description:New ways of exploiting the immune system for cancer treatment have been tested for decades with moderate outcomes. Based on previous immunotherapy knowledge, agents targeting immune checkpoints seem to be remarkably effective in a wide range of tumors. Immune checkpoint inhibitors in metastatic non-small cell lung cancer (NSCLC) provide longlasting responses in specific patients. Nevertheless, with overall response rates ? 20%, combinational protocols for various patient subgroups are needed. A good partner treatment to immunotherapy could be chemotherapy, as it successfully modulates the immune response either by controlling or enhancing the antitumor immune activity. Primary research provides promising results in metastatic NSCLC patients using this approach, but further large-scale trials are needed. The implementation of immunotherapy in nonmetastatic cases is also appealing. We review the potential clinical benefits of immunotherapy alone or in concert with chemotherapy in NSCLC.
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Project description:Immuno checkpoint inhibitors have ushered in a new era with respect to the treatment of advanced non-small-cell lung cancer. Many patients are not suitable for treatment with epidermal growth factor receptor tyrosine kinase inhibitors (eg, gefitinib, erlotinib, and afatinib) or with anaplastic lymphoma kinase inhibitors (eg, crizotinib and ceritinib). As a result, anti-PD-1/PD-L1 and CTLA-4 inhibitors may play a novel role in the improvement of outcomes in a metastatic setting. The regulation of immune surveillance, immunoediting, and immunoescape mechanisms may play an interesting role in this regard either alone or in combination with current drugs. Here, we discuss advances in immunotherapy for the treatment of metastatic non-small-cell lung cancer as well as future perspectives within this framework.
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