An overview: ongoing systemic therapy trials in thymic epithelial tumors around the world-will anything “hit”?
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ABSTRACT:
SUBMITTER: Merveilleux du Vignaux C
PROVIDER: S-EPMC8794377 | biostudies-literature | 2021 Jan
REPOSITORIES: biostudies-literature
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Project description:Survival rates of patients with either early and advanced stage non-small-cell lung cancer (NSCLC) have improved with newer systemic therapy and radiation techniques, including combination regimens, targeted therapies, and immunotherapies. The cancer cooperative groups have historically played a critical role in the advancement of NSCLC therapy. Annually, representatives from cooperative groups worldwide convene at the International Lung Cancer Congress (ILCC). In summer 2015, the ILCC reached its 16th anniversary. This article highlights the NSCLC studies presented by participating groups in 2015.
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Project description:BackgroundThymic epithelial tumors (TETs) are rare neoplasms arising in the mediastinum, including thymic carcinomas and thymomas. Due to their rarity, little is known about the genomic profiles of TETs. Herein, we investigated the genomic characteristics of TETs evaluated in a large comprehensive genomic profiling database in a real-world setting.MethodsWe included data from two different cohorts: Foundation Medicine Inc. (FMI) in the United States and the Center for Cancer Genomics and Advanced Therapeutics (C-CAT) in Japan. Samples profiled were examined for all classes of alterations in 253 genes targeted across all assays. Tumor mutational burden (TMB) and microsatellite instability (MSI) were also evaluated.ResultsA total of 794 patients were collected in our study, including 722 cases from FMI and 72 cases from C-CAT. In the FMI data, CDKN2A (39.9%), TP53 (30.2%) and CDKN2B (24.6%) were frequently altered in thymic carcinoma, versus TP53 (7.8%), DNMT3A (6.8%), and CDKN2A (5.8%) in thymoma. TMB-high (≥10 mutations/Mb) and MSI were present in 7.0% and 2.3% of thymic carcinomas, and 1.6% and 0.3% of thymomas, respectively. Within C-CAT data, CDKN2A (38.5%), TP53 (36.5%) and CDKN2B (30.8%) were also frequently altered in thymic carcinoma, while alterations of TSC1, SETD2 and LTK (20.0% each) were found in thymoma.ConclusionsTo the best of our knowledge, this is the largest cohort in which genomic alterations, TMB and MSI status of TETs were investigated. Potential targets for treatment previously unbeknownst in TETs are identified in this study, entailing newfound opportunities to advance therapeutic development.
| S-EPMC10594028 | biostudies-literature
Project description:BackgroundSmoking remains one of the major public health threats, necessitating substantial scientific and societal interest in further developing and implementing systematic, smoking cessation trials. This review examines ongoing randomized controlled trials (RCTs) on smoking cessation and harm reduction, focusing on adherence to German S3 guidelines for tobacco dependence and identifying areas needing further research and neglected aspects in the implementation of treatment guidelines for tobacco dependence.MethodsA systematic search was conducted on the International Clinical Trials Registry Platform, comprising multiple trial registries worldwide, to identify ongoing RCTs focusing on smoking cessation and harm reduction. Utilizing the PICOS-scheme, we focused on trials targeting the general population, with biochemical verification, psychological counseling, telemedicine, and nicotine replacement therapy /smoking cessation medication or electronic nicotine delivery systems. Exclusion criteria included trials marked as "completed," "terminated," "unknown," or "withdrawn.".ResultsThe review identified 30 ongoing RCTs, with a majority located in North America. A significant number of trials focus on socioeconomically disadvantaged or uninsured populations, while few address cancer survivors or individuals with smoking-related diseases. Nicotine replacement therapy or smoking cessation medication is consistently used across trials, but with varying regimens. Psychotherapeutic interventions are employed in 22 trials, with motivational interviewing being the most common method. Only four trials utilize electronic nicotine delivery systems as a harm reduction strategy. The lack of standardized reporting in trial registries was a significant barrier to synthesizing and categorizing information. Geographic representation is predominantly in North America, suggesting a need for more diverse trial locations.ConclusionsThere is a critical need for more RCTs involving electronic nicotine delivery systems and tailored psychotherapeutic interventions. Expanding trial locations beyond North America and standardizing trial reporting could enhance the global applicability of smoking cessation strategies. Future research should focus on the long-term risks and benefits of electronic nicotine delivery systems, particularly in high-risk populations. This approach will aid in developing more effective and culturally relevant smoking cessation guidelines.
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Project description:Monoclonal antibodies (mAbs) that block the programmed death 1 (PD-1) or programmed death-ligand 1 (PD-L1) receptors are the most clinically advanced tumor immunotherapies. Given the broad antitumor efficacy and novel mechanism of action, numerous combinatorial approaches incorporating PD-1/PD-L1 blockade have been suggested; herein we present a comprehensive analysis of these clinical trials. We queried clinicaltrials.gov for all PD-1/PD-L1 mAbs administered for cancer therapy with an end date of 4/30/2017. A total of 1,218 clinical trials met our search criteria. These trials have a planned enrollment of 227,190 patients, and approximately half (493) were initiated in 2016 alone. Of these over 1,200 trials, 916 combine PD-1/PD-L1 blockade with at least one additional therapy, ranging from traditional treatment modalities like surgery and chemoradiation to newer therapies like small molecule inhibitors and other immunotherapies. The staggering proliferation of clinical trials combining PD-1/PD-L1 blockade with disparate treatments necessitates careful accounting to maximize efficiency and highlight areas of unmet needs. We believe our analysis provides this data and expect it will facilitate the design of future clinical trials in this burgeoning area of oncology research.
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Project description:In this systematic review, we foresee what could be the approved scenario in the next few years for CAR-T cell therapies directed against hematological and solid tumor malignancies. China and the USA are the leading regions in numbers of clinical studies involving CAR-T. Hematological antigens CD19 and BCMA are the most targeted, followed by mesothelin, GPC3, CEA, MUC1, HER2, and EGFR for solid tumors. Most CAR constructs are second-generation, although third and fourth generations are being largely explored. Moreover, the benefit of combining CAR-T treatment with immune checkpoint inhibitors and other drugs is also being assessed. Data regarding product formulation and administration, such as cell phenotype, transfection technique, and cell dosage, are scarce and could not be retrieved. Better tracking of trials' status and results on the ClinicalTrials.gov database should aid in a more concise and general view of the ongoing clinical trials involving CAR-T cell therapy.
| S-EPMC9179563 | biostudies-literature
Project description:Systemic sclerosis is an autoimmune connective tissue disease characterized by vasculopathy and fibrosis of the skin and internal organs. The pathogenesis of systemic sclerosis is very complex. Mediators produced by immune cells are involved in the inflammatory processes occurring in the tissues. The currently available therapeutic options are often insufficient to halt disease progress. This article presents an overview of potential therapeutic targets and the pipeline of possible future therapeutic options. It is based on research of clinical trials involving novel, unestablished methods of treatment. Increasing knowledge of the processes and mediators involved in systemic scleroderma has led to the initiation of drug trials with therapeutic targets of CD28-CD80/86, CD19, CCL24, CD20, CD30, tumor necrosis factor (TNF), transforming growth factor β (TGF-β), B-cell activating factor (BAFF), lysophosphatidic acid receptor 1 (LPA1 receptor), soluble guanylate cyclase (sGC), Janus kinases (JAK), interleukin 6 (IL-6), endothelin receptor, and autotaxin. Data from clinical trials on these drugs indicate a significant potential for several new therapeutic options for systemic sclerosis in the upcoming future.
| S-EPMC8911443 | biostudies-literature
Project description:Thymic tumors are a group of rare mediastinal malignancies that include three different histological subtypes with completely different clinical behavior: the thymic carcinomas, the thymomas, and the rarest thymic neuroendocrine tumors. Nowadays, few therapeutic options are available for relapsed and refractory thymic tumors after a first-line platinum-based chemotherapy. In the last years, the deepening of knowledge on thymus' biological characterization has opened possibilities for new treatment options. Several clinical trials have been conducted, the majority with disappointing results mainly due to inaccurate patient selection, but recently some encouraging results have been presented. In this review, we summarize the molecular alterations observed in thymic tumors, underlying the great biological differences among the different histology, and the promising targeted therapies for the future.
| S-EPMC8066729 | biostudies-literature
Project description:BackgroundThymic epithelial tumors (TETs) are rare, and information regarding their surgical outcomes and prognostic factors has rapidly changed in the past few decades. We analyzed surgical treatment practices for TETs and outcomes in terms of overall survival (OS) and freedom from recurrence (FFR) during a 13-year period in Korea.MethodsIn total, 1,298 patients with surgically resected TETs between 2000 and 2013 were enrolled retrospectively. OS and FFR were calculated using the Kaplan-Meier method and evaluated with the log-rank test. Prognostic factors for OS and FFR were analyzed with multivariable Cox regression.ResultsA total of 1,098 patients were diagnosed with thymoma, and 200 patients were diagnosed with thymic carcinoma. Over the study period, the total number of patients with surgically treated TETs and the proportion of patients who underwent minimally invasive thymic surgery (MITS) increased annually. The 5-year and 10-year survival rates of surgically treated TETs were 91.0% and 82.1%, respectively. The 5-year and 10-year recurrence rates were 86.3% and 80.0%, respectively. The outcomes of surgically treated TETs improved over time. Multivariable Cox hazards analysis for OS, age, tumor size, and Masaoka-Koga stage were independent predictors of prognosis. The World Health Organization classification and tumor-node-metastasis (TNM) staging were also related to the prognosis of TETs.ConclusionSurgical treatment of TETs achieved a good prognosis with a recent increase in MITS. The M-K stage was the most important prognostic factor for OS and FFR. The new TNM stage could also be an effective predictor of the outcomes of TETs.
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Project description:In recent years, we have seen rapid expansion of chimeric antigen receptor T-cell (CAR-T) therapies in multiple malignancies. CAR-T therapy has profoundly altered the treatment landscape of non-Hodgkin lymphoma, B-cell acute lymphoblastic leukemia, and multiple myeloma. Currently available CD19 and B-cell maturation antigen-directed CAR-T therapies have shown high overall response rate and durable remissions in patients who have failed standard therapies. Multiple studies are underway exploring the role of CAR-T-cell therapy as earlier line of treatment. In high-grade B-cell lymphoma, CD19 CAR-T therapy may replace autologous hematopoietic cell transplantation as second line therapy in near future. CAR-T-cell therapy targeting novel tumor-associated antigens will help expand utility of this treatment modality in other hematological malignancies. It may also help overcome limitations of currently approved CAR-T-cell therapies. In this review, we have provided an overview of currently approved CAR-T therapies and upcoming clinical trials which may potentially impact the clinical practice.
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