keyword
https://read.qxmd.com/read/38516099/sintilimab-plus-anlotinib-as-second-or-further-line-therapy-for-extensive-disease-small-cell-lung-cancer-a-phase-2-investigator-initiated-non-randomized-controlled-trial
#21
JOURNAL ARTICLE
Shuxiang Ma, Zhen He, Yang Liu, Lili Wang, Sen Yang, Yufeng Wu, Haiyang Chen, Yingxi Wu, Qiming Wang
BACKGROUND: Treatment options remain rather limited for extensive disease small cell lung cancer (ED-SCLC) patients in second or further-line setting. METHODS: The phase 2 investigator-initiated non-randomized study enrolled patients who had disease progression on at least one line of platinum-based chemotherapy. Participants received intravenous sintilimab 200 mg on day one and oral daily anlotinib 12 mg on days 1-14 once every three weeks per cycle. The primary endpoint was progression-free survival (PFS)...
April 2024: EClinicalMedicine
https://read.qxmd.com/read/38509620/enhancing-precision-medicine-a-nomogram-for-predicting-platinum-resistance-in-epithelial-ovarian-cancer
#22
JOURNAL ARTICLE
Ruyue Li, Zhuo Xiong, Yuan Ma, Yongmei Li, Yu'e Yang, Shaohan Ma, Chunfang Ha
BACKGROUND: This study aimed to develop a novel nomogram that can accurately estimate platinum resistance to enhance precision medicine in epithelial ovarian cancer(EOC). METHODS: EOC patients who received primary therapy at the General Hospital of Ningxia Medical University between January 31, 2019, and June 30, 2021 were included. The LASSO analysis was utilized to screen the variables which contained clinical features and platinum-resistance gene immunohistochemistry scores...
March 21, 2024: World Journal of Surgical Oncology
https://read.qxmd.com/read/38492533/potential-tools-for-predicting-response-to-chemotherapy-in-oc-assessment-of-immune-dysbiosis-participant-s-self-rated-health-and-microbial-dynamics
#23
JOURNAL ARTICLE
Taylor Badger, Elizabeth Anderson, Sarah Nelson, Kathleen Groesch, Teresa Wilson, Paula Diaz-Sylvester, Kristin Delfino, Nhung Le, Laurent Brard, Andrea Braundmeier-Fleming
Epithelial ovarian cancer (OC) is the deadliest female reproductive cancer; an estimated 13,270 women will die from OC in 2023. Platinum-based chemotherapy resistance mechanisms contribute to poor OC 5-year survival rates. Peripheral inflammation is linked to various disease states and we previously identified unique peritoneal microbial features predictive of OC. We hypothesized that unique peripheral immune profiles and peritoneal microbial features may be predictive of disease-free interval (time to recurrence) and response to chemotherapy in participants with OC...
March 12, 2024: Journal of Reproductive Immunology
https://read.qxmd.com/read/38490045/platinum-iv-drugs-with-cannabidiol-inducing-mitochondrial-dysfunction-and-synergistically-enhancing-anti-tumor-effects
#24
JOURNAL ARTICLE
Tangli Wei, Lihua Chen, Pengmin Shi, Changli Wang, Yusheng Peng, Jing Yang, Xiali Liao, Bo Yang, Chuanzhu Gao
Chemotherapy resistance is an insurmountable problem in clinical anticancer therapy. Although Oxaliplatin is an effective chemotherapeutic agent for the treatment of colorectal cancer (CRC), it still suffers from serious toxicities as well as drug resistance. In this work, three Oxaliplatin tetravalent platinum prodrugs(O1-O3) and three novel mixed ammine/amine analogs(C1-C3) were constructed, introducing cannabidiol with anti-tumor activity in their axial position. All Pt(IV) prodrugs exhibited potent antitumor effects in a variety of tumor cell lines, especially in HCT-116 cells, where complex O3 showed strong inhibitory effects with the half maximal inhibitory concentrations (IC50 ) value of 6...
March 1, 2024: Journal of Inorganic Biochemistry
https://read.qxmd.com/read/38489872/ovarian-cancer-ascites-confers-platinum-chemoresistance-to-ovarian-cancer-cells
#25
JOURNAL ARTICLE
Yifat Koren Carmi, Abed Agbarya, Hazem Khamaisi, Raymond Farah, Yelena Shechtman, Roman Korobochka, Jacob Gopas, Jamal Mahajna
Ovarian cancer (OC), the second most common form of gynecologic malignancy, has a poor prognosis and is often discovered in the late stages. Platinum-based chemotherapy is the first line of therapy. Nevertheless, treatment OC has proven challenging due to toxicity and the development of acquired resistance to therapy. Tumor microenvironment (TME) has been associated with platinum chemoresistance. Malignant ascites has been used as OC tumor microenvironment and its ability to induce platinum chemoresistance has been investigated...
March 14, 2024: Translational Oncology
https://read.qxmd.com/read/38480884/evolutionary-trajectories-of-small-cell-lung-cancer-under-therapy
#26
JOURNAL ARTICLE
Julie George, Lukas Maas, Nima Abedpour, Maria Cartolano, Laura Kaiser, Rieke N Fischer, Andreas H Scheel, Jan-Philipp Weber, Martin Hellmich, Graziella Bosco, Caroline Volz, Christian Mueller, Ilona Dahmen, Felix John, Cleidson Padua Alves, Lisa Werr, Jens Peter Panse, Martin Kirschner, Walburga Engel-Riedel, Jessica Jürgens, Erich Stoelben, Michael Brockmann, Stefan Grau, Martin Sebastian, Jan A Stratmann, Jens Kern, Horst-Dieter Hummel, Balazs Hegedüs, Martin Schuler, Till Plönes, Clemens Aigner, Thomas Elter, Karin Toepelt, Yon-Dschun Ko, Sylke Kurz, Christian Grohé, Monika Serke, Katja Höpker, Lars Hagmeyer, Fabian Doerr, Khosro Hekmath, Judith Strapatsas, Karl-Otto Kambartel, Geothy Chakupurakal, Annette Busch, Franz-Georg Bauernfeind, Frank Griesinger, Anne Luers, Wiebke Dirks, Rainer Wiewrodt, Andrea Luecke, Ernst Rodermann, Andreas Diel, Volker Hagen, Kai Severin, Roland T Ullrich, Hans Christian Reinhardt, Alexander Quaas, Magdalena Bogus, Cornelius Courts, Peter Nürnberg, Kerstin Becker, Viktor Achter, Reinhard Büttner, Jürgen Wolf, Martin Peifer, Roman K Thomas
The evolutionary processes that underlie the marked sensitivity of small cell lung cancer (SCLC) to chemotherapy and rapid relapse are unknown1-3 . Here we determined tumour phylogenies at diagnosis and throughout chemotherapy and immunotherapy by multiregion sequencing of 160 tumours from 65 patients. Treatment-naive SCLC exhibited clonal homogeneity at distinct tumour sites, whereas first-line platinum-based chemotherapy led to a burst in genomic intratumour heterogeneity and spatial clonal diversity...
March 13, 2024: Nature
https://read.qxmd.com/read/38479871/treatment-outcomes-of-second-line-systemic-therapy-for-neuroendocrine-prostate-cancer-a-report-of-four-cases
#27
JOURNAL ARTICLE
Yuto Tsubonuma, Keita Funakoshi, Tomohisa Takaba, Kazumasa Jyojima, Akinori Minato, Ikko Tomisaki, Kenichi Harada, Naohiro Fujimoto
Neuroendocrine prostate cancer (NEPC) is a histological variant of prostate cancer and is characterized by aggressiveness and poor clinical outcomes. NEPC usually develops as a mechanism of treatment resistance in patients receiving hormone therapy for advanced prostate cancer. NEPC is sensitive to primary platinum-based chemotherapy, and has a short response duration. Second-line therapy is required in many cases, but clinical data on subsequent treatment after progression to first-line chemotherapy is limited...
2024: Journal of UOEH
https://read.qxmd.com/read/38479209/chemotherapy-response-score-as-a-predictor-of-survival-in-ovarian-cancer-patients
#28
JOURNAL ARTICLE
Ioannis Rodolakis, Michalis Liontos, Vasilios Pergialiotis, Dimitrios Haidopoulos, Maria Kaparelou, Dimitrios Efthimios Vlachos, Meletios Athanasios Dimopoulos, Dimitrios Loutradis, Alexandros Rodolakis, Aristotelis Bamias, Nikolaos Thomakos
OBJECTIVE: The chemotherapy response score (CRS) has been widely adopted as a predictive tool for ovarian cancer survival. In the present study, we seek to define differences in survival rates among patients grouped in the traditionally established three-tiered system and those who have not been offered debulking surgery. STUDY DESIGN: We designed a retrospective cohort study involving women treated with chemotherapy and offered interval or late debulking surgery for ovarian cancer...
March 7, 2024: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://read.qxmd.com/read/38478398/primary-resistance-to-ret-inhibition-in-a-ret-fusion-positive-pancreatic-neuroendocrine-carcinoma
#29
JOURNAL ARTICLE
Blake J McKinley, Tucker W Coston, Jason S Starr
We present a 54-year-old White male with a diagnosis of stage IV pancreatic neuroendocrine carcinoma. Next-generation sequencing of the tumor/blood identified a complex tumor genome, which included a rearranged during transfection (RET) gene fusion. The patient initially received cytotoxic chemotherapy with a significant radiographic response. After 4 cycles of chemotherapy, the patient was transitioned to a clinical trial using selpercatinib, a RET inhibitor, as maintenance therapy. Unfortunately, our patient developed progression of disease at the first treatment monitoring scan...
March 13, 2024: Oncologist
https://read.qxmd.com/read/38472557/a-signature-of-circulating-mirnas-predicts-the-prognosis-and-therapeutic-outcome-of-taxane-platinum-regimen-in-advanced-ovarian-carcinoma-patients
#30
JOURNAL ARTICLE
Ranita Pal, Trisha Choudhury, Madhurima Ghosh, Manisha Vernakar, Partha Nath, Vilas Deorao Nasare
PURPOSE: Ovarian carcinoma (OC) is ranked as the eighth most lethal gynecological cancer due to late diagnosis and high recurrence. Existing biomarkers are lacking to predict the recurrence and stratify patients who are likely to benefit from chemotherapy. MicroRNAs (miRNAs/miRs) are persistently present in humans and are capable of predicting treatment outcomes. Thus, the purpose of the study was to assess the potential of circulatory miRNAs to predict the efficacy of OC. METHODS: Newly diagnosed n = 208 OC patients were administrated neoadjuvant/adjuvant chemotherapy (taxane + platinum) after surgery...
March 12, 2024: Clinical & Translational Oncology
https://read.qxmd.com/read/38461087/-targeting-the-spliceosome-a-new-therapeutic-strategy-to-counteract-chemotherapy-resistance-in-lung-cancer
#31
JOURNAL ARTICLE
A Shreim, S Gazzeri, B Eymin
Lung cancer is the first cancer-related cause of death worldwide. This is in partially due to therapeutic resistance, which occurs in around 70% of patients, especially those receiving platinum salts, the gold-standard chemotherapy. The massive deregulation of alternative transcript splicing processes observed in many cancers has led to the development of a new class of pharmacological agents aimed at inhibiting the activity of the splicing machinery (spliceosome). The molecular mechanisms by which these inhibitors act remain largely unknown, as do the benefits of using them in combination with other therapies...
March 8, 2024: Revue des Maladies Respiratoires
https://read.qxmd.com/read/38454407/pla2g4a-and-ache-modulate-lipid-profiles-via-glycerophospholipid-metabolism-in-platinum-resistant-gastric-cancer
#32
JOURNAL ARTICLE
Menglin Chen, Cancan Zhang, Huaizhi Li, Shanshan Zheng, Yaqi Li, Mengyun Yuan, Yuxuan Chen, Jian Wu, Qingmin Sun
BACKGROUND: Bioactive lipids involved in the progression of various diseases. Nevertheless, there is still a lack of biomarkers and relative regulatory targets. The lipidomic analysis of the samples from platinum-resistant in gastric cancer patients is expected to help us further improve our understanding of it. METHODS: We employed LC-MS based untargeted lipidomic analysis to search for potential candidate biomarkers for platinum resistance in GC patients. Partial least squares discriminant analysis (PLS-DA) and variable importance in projection (VIP) analysis were used to identify differential lipids...
March 7, 2024: Journal of Translational Medicine
https://read.qxmd.com/read/38450253/genetic-variants-associated-with-response-to-platinum-based-chemotherapy-in-non-small-cell-lung-cancer-patients-a-field-synopsis-and-meta-analysis
#33
JOURNAL ARTICLE
Hilary Sito, Mohamad Ayub Khan Sharzehan, Md Asiful Islam, Shing Cheng Tan
Background: Publications on the associations of genetic variants with the response to platinum-based chemotherapy (PBC) in NSCLC patients have surged over the years, but the results have been inconsistent. Here, a comprehensive meta-analysis was conducted to combine eligible studies for a more accurate assessment of the pharmacogenetics of PBC in NSCLC patients. Methods: Relevant publications were searched in PubMed, Scopus, and Web of Science databases through 15 May 2021. Inclusion criteria for eligible publications include studies that reported genotype and allele frequencies of NSCLC patients treated with PBC, delineated by their treatment response (sensitive vs...
2024: British Journal of Biomedical Science
https://read.qxmd.com/read/38443333/bevacizumab-olaparib-and-durvalumab-in-patients-with-relapsed-ovarian-cancer-a-phase-ii-clinical-trial-from-the-gineco-group
#34
JOURNAL ARTICLE
Gilles Freyer, Anne Floquet, Olivier Tredan, Aurore Carrot, Carole Langlois-Jacques, Jonathan Lopez, Frédéric Selle, Cyril Abdeddaim, Alexandra Leary, Coraline Dubot-Poitelon, Michel Fabbro, Laurence Gladieff, Michele Lamuraglia
Most patients with advanced ovarian cancer (AOC) ultimately relapse after platinum-based chemotherapy. Combining bevacizumab, olaparib, and durvalumab likely drives synergistic activity. This open-label phase 2 study (NCT04015739) aimed to assess activity and safety of this triple combination in female patients with relapsed high-grade AOC following prior platinum-based therapy. Patients were treated with olaparib (300 mg orally, twice daily), the bevacizumab biosimilar FKB238 (15 mg/kg intravenously, once-every-3-weeks), and durvalumab (1...
March 5, 2024: Nature Communications
https://read.qxmd.com/read/38440718/increased-expression-of-atp-binding-cassette-transporters-in-enfortumab-vedotin-resistant-urothelial-cancer
#35
Mariko Kotono, Toshiki Kijima, Atsuko Takada-Owada, Naoya Okubo, Ryo Kurashina, Hidetoshi Kokubun, Toshitaka Uematsu, Kohei Takei, Kazuyuki Ishida, Takao Kamai
INTRODUCTION: In addition to reduced nectin-4 expression, the upregulation of ATP-binding cassette transporters has been suggested as a potential mechanism of resistance to enfortumab vedotin. CASE PRESENTATION: A 76-year-old man previously treated with platinum-containing chemotherapy and pembrolizumab for metastatic bladder cancer was administered enfortumab vedotin because of disease progression. Subsequently, metastasectomy was performed for oligometastatic lesions (in the lung and adrenal gland) that exhibited growth during enfortumab vedotin therapy...
March 2024: IJU case reports
https://read.qxmd.com/read/38434767/novel-players-in-the-development-of-chemoresistance-in-ovarian-cancer-ovarian-cancer-stem-cells-non-coding-rna-and-nuclear-receptors
#36
REVIEW
Shahil Alam, Pankaj Kumar Giri
Ovarian cancer (OC) ranks as the fifth leading factor for female mortality globally, with a substantial burden of new cases and mortality recorded annually. Survival rates vary significantly based on the stage of diagnosis, with advanced stages posing significant challenges to treatment. OC is primarily categorized as epithelial, constituting approximately 90% of cases, and correct staging is essential for tailored treatment. The debulking followed by chemotherapy is the prevailing treatment, involving platinum-based drugs in combination with taxanes...
2024: Cancer Drug Resistance
https://read.qxmd.com/read/38431586/intraoperative-implantation-of-125i-seeds-improves-prognosis-in-refractory-stage-iiib-cervical-cancer-a-case-report-and-literature-review
#37
REVIEW
Jialin Wu, Junying Tang, Yi Luo, Wenbo Li, Yingwei Liu, Lin Xiao
BACKGROUND: Concurrent chemoradiation is the standard treatment for advanced cervical cancer. However some patients still have a poor prognosis, and currently, there is no effective treatment for recurrence. In recent years, 125I seed implantation therapy has emerged as a treatment for advanced malignant tumors including surgically unresectable tumors, residual tumors after surgical resection, and metastatic tumors. However, the use of 125I seeds implantation in primary advanced cervical cancer has not been reported...
March 2, 2024: BMC Women's Health
https://read.qxmd.com/read/38425504/carboplatin-in-metastatic-castration-resistant-prostate-cancer-patients-with-molecular-alterations-of-the-dna-damage-repair-pathway-the-pro-carbo-phase-ii-trial
#38
JOURNAL ARTICLE
Elodie Coquan, Nicolas Penel, Justine Lequesne, Raphaël Leman, Pernelle Lavaud, Zoé Neviere, Pierre-Emmanuel Brachet, Emeline Meriaux, Aurélien Carnot, Jérémy Boutrois, Marie Castera, Nicolas Goardon, Etienne Muller, Alexandra Leconte, Antoine Thiery-Vuillemin, Bénédicte Clarisse, Florence Joly
INTRODUCTION: DNA damage repair genes are altered in 20-35% of metastatic castration-resistant prostate cancer (mCRPC). Poly-ADP (Adénosine Diphosphate)-ribose polymerase inhibitors (PARPi) showed significant activity for these selected tumors, especially with homologous recombination repair (HRR) deficiency. These alterations could also predict platinum sensitivity. Although carboplatin was inconclusive in unselected mCRPC, the literature suggests an anti-tumoral activity in mCRPC with HHR gene alterations...
2024: Therapeutic Advances in Urology
https://read.qxmd.com/read/38419499/hspa8-mediated-stability-of-the-clpp-protein-regulates-mitochondrial-autophagy-in-cisplatin-resistant-ovarian-cancer-cells
#39
JOURNAL ARTICLE
Xinxin Kou, Xiaoxia Yang, Zheng Zhao, Lei Li
Currently, platinum agents remain the mainstay of chemotherapy for ovarian cancer (OC). However, cisplatin (DDP) resistance is a major reason for chemotherapy failure. Thus, it is extremely important to elucidate the mechanism of resistance to DDP. Here, we establish 2 DDP-resistant ovarian cancer cell lines and find that caseinolytic protease P (CLPP) level is significantly downregulated in DDP-resistant cell lines compared to wild-type ovarian cancer cell lines (SK-OV-3 and OVcar3). Next, we investigate the functions of CLPP in DDP-resistant and wild-type ovarian cancer cells using various assays, including cell counting kit-8 assay, western blot analysis, immunofluorescence staining, and detection of reactive oxygen species (ROS) and apoptosis...
February 28, 2024: Acta Biochimica et Biophysica Sinica
https://read.qxmd.com/read/38418804/peripheral-neuropathy-and-nerve-electrophysiological-changes-with-enfortumab-vedotin-in-patients-with-advanced-urothelial-carcinoma-a-prospective-multicenter-cohort-study
#40
JOURNAL ARTICLE
Rikiya Taoka, Masaki Kamada, Kazuyoshi Izumi, Ryuta Tanimoto, Kei Daizumoto, Yushi Hayashida, Katsutoshi Uematsu, Hironobu Arai, Takeshi Sano, Ryoichi Saito, Hiromi Hirama, Toshihiro Kobayashi, Tomoko Honda, Yu Osaki, Yohei Abe, Hirohito Naito, Yoichiro Tohi, Yuki Matsuoka, Takuma Kato, Homare Okazoe, Nobufumi Ueda, Mikio Sugimoto
BACKGROUND: Enfortumab vedotin is a novel antibody-drug conjugate used as a third-line therapy for the treatment of urothelial cancer. We aimed to elucidate the effect of enfortumab vedotin-related peripheral neuropathy on its efficacy and whether enfortumab vedotin-induced early electrophysiological changes could be associated with peripheral neuropathy onset. METHODS: Our prospective multicenter cohort study enrolled 34 patients with prior platinum-containing chemotherapy and programmed cell death protein 1/ligand 1 inhibitor-resistant advanced urothelial carcinoma and received enfortumab vedotin...
February 28, 2024: International Journal of Clinical Oncology
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