The utilization of immunotherapy with radiation therapy in lung cancer: a narrative review
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ABSTRACT:
SUBMITTER: Heinzerling J
PROVIDER: S-EPMC8797746 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:Lung cancer remains the leading cause of cancer morbidity and mortality worldwide among both men and women. While surgical resection remains the standard of care for early stage NSCLC, chemoradiation has been a mainstay of treatment for locally advanced non-small-cell lung cancer (LA-NSCLC) patients for decades. Consolidation immunotherapy has improved survival in this subset of patients after conventional chemoradiation, and has emerged as the new standard. The synergy between immunotherapy and radiation, as well as ongoing research on the effects of radiation on the immune system, allows for the exploration of new avenues in the treatment of LA-NSCLC. In addition to the use of durvalumab as consolidative systemic therapy after concurrent chemoradiotherapy for Stage III NSCLC, other combination regimens have been shown to be effective in various disease stages in preclinical and clinical studies. These regimens include CTLA-4 and PD/PDL-1 checkpoint inhibitors combined with radiation treatment. While these combined regimens have demonstrated efficacy, they are not without toxicity, and require additional evaluation when combined with radiation. In this review, we have summarized the immunostimulatory and immunosuppressive effects of radiation therapy. We also evaluate the current evidence and ongoing research supporting the combination of radiotherapy and immunotherapy across early to LA-NSCLC.
| S-EPMC7842553 | biostudies-literature
Project description:Stereotactic radiotherapy (SRT) has become an attractive treatment modality in full bloom in recent years by presenting itself as a safe, noninvasive alternative to surgery to control primary or secondary malignancies. Although the focus has been on local tumor control as the therapeutic goal of stereotactic radiotherapy, rare but intriguing observations of abscopal (or out-of-field) effects have highlighted the exciting possibility of activating antitumor immunity using high-dose radiation. Furthermore, immunotherapy has revolutionized the treatment of several types of cancers in recent years. However, resistance to immunotherapy often develops. These observations have led researchers to combine immunotherapy with SRT in an attempt to improve outcomes. The benefits of this combination would come from the stimulation and suppression of various immune pathways. Thus, in this review, we will first discuss the immunomodulation induced by SRT with the promising results of preclinical studies on the changes in the immune balance observed after SRT. Then, we will discuss the opportunities and risks of the combination of SRT and immunotherapy with the preclinical and clinical data available in the literature. Furthermore, we will see that many perspectives are conceivable to potentiate the synergistic effects of this combination with the need for prospective studies to confirm the encouraging data.
| S-EPMC9219862 | biostudies-literature
Project description:Glioblastoma and other high-grade gliomas (HGGs) are the most common and deadly primary brain tumors. Due to recent advances in immunotherapy and improved clinical outcomes in other disease sites, the study of immunotherapy in HGG has increased significantly. Herein, we summarize and evaluate existing evidence and ongoing clinical trials investigating the use of immunotherapy in the treatment of HGG, including therapeutic vaccination, immune checkpoint inhibition, adoptive lymphocyte transfer, and combinatorial approaches utilizing radiation and multiple modalities of immunotherapy. Special attention is given to the mechanisms by which radiation may improve immunogenicity in HGG, why this motivates the study of radiation in combination with immunotherapy, and how to determine optimal dosing and scheduling of radiation. Though larger randomized controlled trials have not consistently shown improvements in clinical outcomes, this area of research is still in its early stages and a number of important lessons can be taken away from the studies that have been completed to date. Many studies found a subset of patients who experienced durable responses, and analysis of their immune cells and tumor cells can be used to identify biomarkers that predict therapeutic response, as well as additional glioma-specific targets that can enhance therapeutic efficacy in a challenging tumor type.
| S-EPMC8797698 | biostudies-literature
Project description:Radiation therapy and systemic therapy are the primary non-surgical treatment modalities for head and neck squamous cell carcinoma (HNSCC). Despite advances in our biologic understanding of this disease and the development of novel therapeutics, treatment resistance remains a significant problem. It has become increasingly evident that the innate and adaptive immune systems play a significant role in the modulation of anti-tumor responses to traditional cancer-directed therapies. By inducing DNA damage and cell death, radiation therapy appears to activate both innate and adaptive immune responses. Immunotherapies targeting programmed cell death protein 1 (PD-1) and programmed cell death ligand 1 (PD-L1) also have yielded promising results, particularly in the recurrent/metastatic setting. In this review, we will discuss the rationale for combining radiotherapy with immunotherapy to harness the immunomodulatory effects of radiation therapy on HNSCC, as well as biomarkers for immune response. We will also review recent preclinical and clinical data exploring these combinations in various contexts, including recurrent/metastatic and locally advanced disease. Among those with locally advanced HNSCC, we will discuss clinical trials employing immunotherapy either concurrently with radiation therapy or as maintenance following chemoradiation in both the definitive and postoperative settings, with or without the use of cisplatin-based or non-cisplatin-based chemotherapy.
| S-EPMC8798834 | biostudies-literature
Project description:Background and objectiveLung cancer is the second most prevalent malignancy and has the highest death rate. The main approaches for lung cancer treatment include surgery, chemotherapy, radiotherapy, targeted therapy, and immunotherapy. However, the treatments of the disease need to be further improved. An increasing number of scientific investigations indicated cell therapy to be a successful new treatment for lung cancer. Cell therapy can improve the host's immunity to disease and can compensate for the shortcomings in the therapeutic effects of traditional treatments, particularly in the case of cancer treatment. However, due to its recent development, its clinical efficacy still needs to be further examined. In order to provide an updated source on cell therapy for lung cancer, this paper summarizes the clinical use of chimeric antigen receptor T cells (CAR-Ts), stem cells, cytokine-induced killer cells (CIKs), and tumor-infiltrating lymphocytes (TILs) and discusses recent clinical advancements.MethodsWe performed a search of the PubMed database on March 28, 2023, and again on June 10, 2023. A review of retrieved literature related to cell therapy and treatments for lung cancer was completed.Key content and findingsCell therapy has been applied in clinical studies on the treatment of disorders of the hematologic system, digestive system, respiratory system, and other systems. CAR-T therapy has been successfully used in the treatment of B-cell malignancies, which suggests that cell therapy has broad prospects in the treatment of malignant tumors. CAR-T, stem cells, CIKs, and TILs exert antitumor activity and can recognize and could be used to treat lung cancer.ConclusionsCell therapy represents a novel solution in the treatment of lung cancer. Cell therapy, when combined with traditional therapies, can compensate for the shortcomings of these methods. Further research is needed to reduce the occurrence of adverse reactions and provide a more effective approach in treating lung cancer.
| S-EPMC10797377 | biostudies-literature
Project description:Recent work with immunotherapy has shown promising results with treatment of several solid malignancies, and there are several reports of good systemic responses with the combination of immunotherapy and radiation therapy (RT), most notably in advanced melanoma. Given the rapid increase in the use of checkpoint blockade as well as anti-tumor vaccines, we review here the preclinical rationale and ongoing clinical work in combining immunotherapy with RT for small cell lung cancer (SCLC) and thymic tumors. While there are several reports of promising results with the combination of immunotherapy and conventional systemic treatment, we focus here on the ongoing clinical studies that combine immunotherapy with RT, and highlight the emerging data for this multimodality approach as well as key preclinical and clinical issues that remain to be addressed. With regards to SCLC, trials exploring to the combination of immunotherapy and RT are already ongoing, but clinical studies for this combination in thymoma are lacking.
| S-EPMC5420531 | biostudies-other
Project description:Background and objectiveMultiple agents have been developed for treating non-small cell lung cancer (NSCLC). However, patients' response to these therapies vary drastically, which indicates a need to tailor therapy. Sex is a readily usable clinical characteristic that has been shown to impact patients' response to drugs. The main objective of this narrative review is to summarize the current state of knowledge, compiled from meta-analyses, on sex differences in treatment efficacy for targeted therapy and immunotherapy in NSCLC. We discuss the interplay of patient characteristics, both molecular and demographic, with sex on how they impact therapeutic response.MethodsPubMed search was performed with the term "sex/gender differences" with currently FDA approved targeting therapy and immunotherapy agents in treating NSCLC.Key content and findingsFor targeted therapy, women tend to benefit more in terms of progression-free survival upon receiving first-generation anti-epidermal growth factor receptor (EGFR) treatment than men. On the other hand, there is an ongoing debate on sex differences in response to immunotherapy. Although preliminary, whether sex differences were observed depends on treatment settings, patient characteristics, and molecular features. Importantly, incorporating sex as a biological component in the biomarker discovery seems to reveal novel insights in immunotherapy response.ConclusionsTaken together, sex differences in responding to standard care have been observed in clinical settings for NSCLC patients. A better understanding of sex-associated treatment response and the underlying biology will improve cancer prognosis and eliminate these sex differences.
| S-EPMC9186178 | biostudies-literature
Project description:A successful antitumoral response requires immunological activation as well as an antigenic pool capable of stimulating both the innate and the adaptive immune system. Recent advances in immunotherapy have been aimed at boosting the activation status of the innate and adaptive immune system, including cytokine administration, monoclonal antibodies engineered to target high yield elements in oncogenic signaling pathways, cancer vaccines, and checkpoint inhibitors. Herein, we examine the ways that radiation therapy induced cell death provides a pool of stimulus antigen, and draw parallels from the immunobiology of autoimmunity to explore how the immunogenicity of antigen derived from radiation-induced cell death might augment the antitumoral response. We also review basic research into the ability of different radiation dose fractionation schedules to induce an antitumoral response. After a discussion of basic immunotherapeutic principles, we review the published literature in the field of non-small cell lung cancer (NSCLC) and examine the ways that combining radiation and immunotherapy have begun to change the therapeutic terrain. We provide a summary of ongoing clinical trials aimed at combining immunotherapy and radiation therapy in NSCLC while emphasizing the need for identification of biomarkers with predictive power and the assessment of efficacy as a function of fractionation strategy.
| S-EPMC5420539 | biostudies-literature
Project description:Despite advances in chemotherapy, radiation, and surgery, prognosis in gastroesophageal cancers (GEC) remains poor. Recent studies have demonstrated that immune checkpoint inhibitors specific to the PD-1/PD-L1 axis can improve survival with dramatic durability for a subset of patients with GEC. Radiation therapy (RT) has been shown to enhance priming and anti-tumor immunogenicity. The combination of these two treatments has shown promising results acting synergistically in pre-clinical and clinical models. Much of this synergy appears linked to in-field radiation responses, but also the abscopal response where out-of-field tumors demonstrate regression. In this review, we summarize the current role of immunotherapy and radiation in GEC. We also highlight progress from preclinical studies and translational biomarker analyses that provide rationale for ongoing efforts combining immune checkpoint inhibition and radiotherapy specifically in GECs. Questions that remain unanswered in the clinic are the optimal radiation dosing, timing, and fractionation strategies to augment abscopal immune responses. Increasing recognition of the heterogeneity of immunosuppressive mechanisms that can arise in response to radiation indicates the need for novel immune checkpoint inhibitors that target beyond the PD-1/PD-L1 axis. Smartly designed prospective trials incorporating these two approaches with ongoing translational analyses will be critical in increasing the success of combinatorial radiation and immunotherapy strategies in this disease.
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Project description:Chemotherapy with or without radiotherapy has been the standard of care for many years for patients with small cell lung cancer (SCLC). Despite exceptionally high responses (up to 80%) with chemotherapy, the majority of patients relapse rapidly within weeks to months after treatment completion. Therefore, new and better treatment options are necessary. Recently, synergistic activity has been reported for the addition of immune checkpoint inhibitors (ICI) to standard platinum-based chemotherapy in the therapeutic strategy of advanced SCLC. For the first time after several decades, a significant survival improvement was achieved for this population. However, the overwhelming majority of patients do not respond to ICI, or relapse rapidly. There is need for better knowledge about the biology, histopathologic features, and molecular pathways of SCLC. This can probably help to identify the optimal predictive biomarkers, which are warranted to develop an individual therapeutic strategy including the rational use of a combination of immunotherapeutic agents. Here, we provide an overview of the rationale for and clinical results of the completed and ongoing trials using different strategies of immunotherapy in SCLC. In addition, opportunities for further improvement of therapies will be discussed, including the addition of radiotherapy, co-stimulatory antibodies, and other immune modifying agents.
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