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Marta Villanova Division of Endocrinology, Diabetes and Hypertension, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA

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Sara M Tolaney Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA

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Le Min Division of Endocrinology, Diabetes and Hypertension, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA

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Pembrolizumab-related thyroid dysfunction has been associated with better outcomes in metastatic cancer patients. This study aims to examine the outcomes (pathological complete response (pCR) and event-free survival (EFS)) in early-stage triple-negative breast cancer (TNBC) patients receiving preoperative therapy who developed pembrolizumab-related thyroid dysfunction. Patients were divided into four groups based on the occurrence or not of pembrolizumab-related thyroid dysfunction (group A and D, respectively) and, in case of pre-existing thyroid disorder, based on the need for levothyroxine start/adjustment or not (group B and C, respectively). pCR and EFS in groups A, B, and C were compared to the ones in group D. Sixty-four early-stage TNBC patients were included, and the median follow-up was 16.5 months (IQR 12.0–23.8). Multiple patterns of thyroid irAEs were observed (overt hypothyroidism in 56.3%, subclinical thyrotoxicosis in 28.1%, overt thyrotoxicosis and subclinical hypothyroidism in 21.9%, and 21.9% of patients). No statistical difference was found in pCR (chi-square test, P = 0.611) comparing groups A, B, and C to group D. The median EFS in groups A, B, and C and in group D were 16.5 (IQR 12.0–24.0) and 16.0 (IQR 12.0–22.3) months, respectively (log-rank test, P = 0.671). The percentage of patients obtaining pCR was 85.7% in patients developing pembrolizumab–related overt thyrotoxicosis and 42.1% in remaining patients (chi-square test, P = 0.036). The EFS was 16.0 months (IQR 12.0–25.0) in patients developing pembrolizumab–related overt thyrotoxicosis and 16.0 months (IQR 12.0–23.5) in the remaining patients (log-rank test, P = 0.494). In conclusion, multiple patterns of pembrolizumab-related thyroid dysfunction occur in early-stage TNBC. Patients developing pembrolizumab-related overt thyrotoxicosis are more likely to achieve pCR.

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Dingwen Liu Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China

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Liang Zhou Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China

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Cheng Li Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China

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Youyou Li Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China

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Jiahao Liu Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China

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Lei Zhou Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China

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Jin Tang Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China

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Wei Xiong Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China

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Long Wang Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China

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This study provides a comprehensive analysis of global, continental, and national trends in the prevalence and mortality of prostate cancer (PC), breast cancer (BC), and thyroid cancer (TC). Utilizing 2021 Global Burden of Diseases (GBD2021) data, prevalence and death rates for 2021 were examined, with temporal trends from 1990 to 2021 analyzed via Joinpoint regression. Annual percentage change (APC) and average APC (AAPC) were calculated with 95% CI. Distributive inequalities were quantified using the slope index of inequality and concentration index. In 2021, PC, BC, and TC showed higher global age-standardized prevalence rates (ASPR) in Europe and America compared to Africa and Asia, while higher age-standardized death rates (ASDR) for PC and BC were noted in Africa. Over the study period, significant global increases in ASPR were observed for PC (AAPC = 0.78, 95% CI: 0.67 to 0.89), BC (AAPC = 0.31, 95% CI: 0.24 to 0.37), and TC (AAPC = 1.42, 95% CI: 1.31 to 1.52). Conversely, ASDR significantly decreased for PC (AAPC = −0.83, 95% CI: −0.92 to −0.74), BC (AAPC = −0.48, 95% CI: −0.56 to −0.39), and TC (AAPC = −0.23, 95% CI: −0.29 to −0.17). Variations were observed across continents and time periods, affecting 204 countries and territories. Higher Social Development Index (SDI) levels were associated with a more pronounced burden of these cancers. The findings highlight significant global heterogeneity in prevalence, death rates, and temporal trends of endocrine cancers, with important implications for epidemiology and public health policies.

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Tugba Barlas Department of Endocrinology and Metabolism, Gazi University, Faculty of Medicine, Ankara, Turkey

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Osman Sutcuoglu Department of Medical Oncology, Gazi University, Faculty of Medicine, Ankara, Turkey

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Orhun Akdogan Department of Medical Oncology, Gazi University, Faculty of Medicine, Ankara, Turkey

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Fusun Balos Toruner Department of Endocrinology and Metabolism, Gazi University, Faculty of Medicine, Ankara, Turkey

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Mujde Akturk Department of Endocrinology and Metabolism, Gazi University, Faculty of Medicine, Ankara, Turkey

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Nuriye Ozdemir Department of Medical Oncology, Gazi University, Faculty of Medicine, Ankara, Turkey

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Ozan Yazici Department of Medical Oncology, Gazi University, Faculty of Medicine, Ankara, Turkey

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Alev Eroglu Altinova Department of Endocrinology and Metabolism, Gazi University, Faculty of Medicine, Ankara, Turkey

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Immune checkpoint inhibitors (ICIs) can trigger immune-related adverse events (irAEs). The appearance pattern of irAEs, who is prone to them, and their mechanisms are still uncertain. In this study, we aimed to monitor patients initiated on ICIs for endocrinological aspects and to investigate the potential predictive markers in the development of endocrine-irAEs. The study prospectively included 43 patients with metastatic disease scheduled for anti-PD-1/L1 therapy. Endocrinological follow-up was conducted at specified intervals as well as in response to any additional reported complaints. Serum concentrations of CXCL10, IL-1beta, and IL-17A were measured prior to ICI and during the endocrine-irAEs. A total of 39.5% of the patients experienced endocrine-irAEs, with a median onset time of 3 months. Among patients, 34.9% developed thyroid-related adverse events, and 4.6% experienced hypophysitis. Thyroid autoantibodies were associated with a higher incidence of thyroid-related irAEs (P = 0.004). In the irAE group, median pre-ICI CXCL10 and baseline thyroid stimulating hormone (TSH) levels were significantly higher, baseline total testosterone level in men was lower than in the non-irAE group (P < 0.05), whereas IL-1beta and IL-17A levels did not differ (P > 0.05). Serum CXCL10, IL-1beta, and IL-17A concentrations did not differ significantly pre-ICI and during adverse events (P > 0.05). Pre-ICI CXCL10 concentration was correlated positively with anti-TPO levels in patients with at least one thyroid autoantibody positivity (r = 0.706, P = 0.01) and negatively with baseline total testosterone level of men (r = 0.509, P = 0.002). Our results suggest that higher pre-ICI serum CXCL10 and TSH levels might have a predictive role in the development of endocrinopathies. Besides, baseline thyroid antibody measurements could be beneficial in predicting thyroid dysfunction.

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Rushabh Gujarathi Section of Hematology and Oncology, Department of Medicine, University of Chicago, Chicago, Illinois, USA

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Sara Abou Azar Section of Endocrine Surgery, Department of Surgery, University of Chicago, Chicago, Illinois, USA

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Joseph Tobias Section of Endocrine Surgery, Department of Surgery, University of Chicago, Chicago, Illinois, USA

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Blase N Polite Section of Hematology and Oncology, Department of Medicine, University of Chicago, Chicago, Illinois, USA

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Namrata Setia Department of Pathology, University of Chicago, Chicago, Illinois, USA

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Nicholas Feinberg Department of Radiology, University of Chicago, Chicago, Illinois, USA

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Daniel E Appelbaum Department of Radiology, University of Chicago, Chicago, Illinois, USA

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Xavier M Keutgen Section of Endocrine Surgery, Department of Surgery, University of Chicago, Chicago, Illinois, USA

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Chih-Yi Liao Section of Hematology and Oncology, Department of Medicine, University of Chicago, Chicago, Illinois, USA

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Pre-clinical data suggest that mutations in the MEN1, DAXX, and/or ATRX genes may potentially increase radiation efficacy in cancer cells. Herein, we explore the association between response to peptide receptor radionuclide therapy (PRRT) and those mutations in patients with gastroenteropancreatic neuroendocrine tumors (GEP-NETs). We analyzed tissue-based next generation sequencing (NGS) assay results and clinicopathologic data from 28 patients with GEP-NETs treated with PRRT. Findings were correlated with progression-free survival (PFS) and objective response rate (ORR). Patients with mutations in MEN1, DAXX, and/or ATRX (n = 13) had a longer median PFS (26.47 vs 12.13 months; P = 0.014) than wild-type (n = 15) patients when adjusted for surgery prior to PRRT, tumor grade, and presence of TP53 mutation. Alterations in MEN1 along with a concurrent mutation in either DAXX or ATRX (n = 6) trended toward longer PFS compared to patients without concurrent mutations (31.53 vs 17.97 months; P = 0.09). ORR was higher in patients with a mutation in MEN1, DAXX, or ATRX (41.67% vs 15.38%). In pancreatic NET patients, these target mutations also showed a longer PFS (28.43 vs 9.83 months; P = 0.04). TP53 alterations showed a shorter PFS than wild-type cases (11.17 vs 20.47 months; P = 0.009). Mutations in MEN1/DAXX/ATRX are associated with improved PFS in patients with GEP-NETs receiving PRRT and might be used as a biomarker for treatment response.

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Maura Fanti Longevity Institute, Leonard Davis School of Gerontology and Department of Biological Sciences, University of Southern California, Los Angeles, California, USA

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Valter D Longo Longevity Institute, Leonard Davis School of Gerontology and Department of Biological Sciences, University of Southern California, Los Angeles, California, USA

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Cancer is the second leading cause of death in the United States and among the most prevalent diseases globally, with an incidence expected to grow because of smoking, pollution, poor dietary habits, obesity, and the rise in the older population. Given their ability to reduce risk factors, albeit with varying efficacy, nutrition and fasting could help prevent cancer and other age-related disorders. Calorie restriction (CR), various forms of intermittent fasting (IF) or periodic fasting (PF), and fasting-mimicking diets (FMDs) have been shown to improve health span, increase lifespan, and prevent or postpone cancer in rodents. The effects of specific diets and fasting regimens on aging and cancer appear to be mediated in part by the reduction in the activity of the growth hormone (GH)/insulin-like-growth-factor-I (IGF-1) axis. Nevertheless, recent data indicate that the alternation of low and normal levels of these hormones and factors may be ideal for optimizing longevity and function. Here, we review the role of nutrition, CR, and fasting/FMD on cancer, focusing on the hypothesis that the modulation of GH, IGF-1, and insulin signaling partly mediates the effect of these dietary interventions on cancer prevention.

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Dong Hyun Seo Department of Internal Medicine, Yonsei University College of Medicine, Seoul, South Korea

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Seul Gi Lee Yonsei University Graduate School of Medical Science, Seoul, South Korea

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Soon Min Choi Department of Surgery, Hallym Hospital, Incheon, South Korea

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Ha Yan Kim Biostatistics Collaboration Unit, Department of Biomedical Systems Informatics, Yonsei University College of Medicine, Seoul, South Korea

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Sunmi Park Department of Internal Medicine, Yonsei University College of Medicine, Seoul, South Korea

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Sang Geun Jung Department of Gynecological Oncology, Bundang CHA Medical Center, CHA University Gyeonggi-do, South Korea

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Young Suk Jo Department of Internal Medicine, Yonsei University College of Medicine, Seoul, South Korea

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Jandee Lee Department of Surgery, Open NBI Convergence Technology Research Laboratory, Yonsei University College of Medicine, Seoul, South Korea

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Telomerase reverse transcriptase promoter mutation (pTERT MT) promotes human carcinogenesis via aberrant expression of telomerase reverse transcriptase (TERT). However, the tumorigenic impact of TERT expression independent of pTERT MT remains unclear despite numerous mechanisms of TERT being suggested. To tackle this issue, we employed comprehensive bioinformatics to assess biological variations noticed among different TERT expression mechanisms. Papillary thyroid cancer (PTC) with pTERT MT (pTERT MT PTC) presented aggressive clinical behavior and exhibited biological profiles associated with cellular immortality and genomic instability. PTC with TERT expression but without pTERT MT (TERT (+) PTC), also exhibited poor clinicopathological characteristics and was enriched with immune responses. In accordance, c-MYC/E2F and nuclear factor kappa B (NFκB) were dominant transcription factors in pTERT MT PTC and TERT (+) PTC, respectively. Notably, we revealed TERT hypermethylated oncological region (THOR) as a potential TERT expressing mechanism in TERT (+) PTC patients. Furthermore, three unique subtypes of papillary thyroid cancer were deciphered using a combination of machine learning-based scoring systems. Our proposed scoring system was clinically significant, especially in microcarcinoma, predicting survival outcomes and inferring therapeutic responses to radioactive iodine therapy. Finally, our analysis was expanded to endocrine-related cancers, unveiling various regulatory mechanisms of TERT with poor clinical outcomes and biological behaviors.

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A Mohamed Division of Hematology and Medical Oncology, UH Seidman Cancer Center, Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio, USA

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M Trybula Division of Hematology and Medical Oncology, UH Seidman Cancer Center, Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio, USA

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S L Asa Department of Medicine, UH Seidman Cancer Center Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio, USA

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T R Halfdanarson Division of Medical Oncology, Department of Oncology, Mayo Clinic Comprehensive Cancer Center, Rochester, Minnesota, USA

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M B Sonbol Division of Hematology and Medical Oncology, Mayo Clinic Cancer Center, Phoenix, Arizona, USA

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The classification and management of neuroendocrine neoplasms (NENs) arising in the tubular gastrointestinal (GI) tract and pancreas have significantly evolved over the last decades. In the latest WHO classification published in 2022, NENs are separated regardless of their primary origin into two main groups: well-differentiated neuroendocrine tumors (NETs) and poorly differentiated neuroendocrine carcinomas (NECs). The substantial changes in the grading system changed the definition of grade 3 to include high-grade well-differentiated NETs (G3-NETs), and poorly differentiated NECs (-NECs). Although these two subgroups are considered high grades with Ki-67 >20%, they have different genomic profiles, prognosis, and clinical behavior, which critically influence their treatment strategies. The available clinical trial data to guide therapy of these high-grade subgroups are extremely limited, which impacts their management. In this review, we will summarize the current advances in the multidisciplinary approach for the management of high-grade gastroenteropancreatic NENs (GEP-NENs) including G3-NETs and NECs.

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Andrew McDonald Winship Cancer Institute at Emory University, Atlanta, Georgia, USA

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Vaidehi Avadhani Grady Memorial Hospital, Atlanta, Georgia, USA

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Gabriela Oprea-Ilies Grady Memorial Hospital, Atlanta, Georgia, USA

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Katerina Zakka Winship Cancer Institute at Emory University, Atlanta, Georgia, USA

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Gregory B Lesinski Winship Cancer Institute at Emory University, Atlanta, Georgia, USA

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Olumide B Gbolahan Winship Cancer Institute at Emory University, Atlanta, Georgia, USA

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Olatunji Alese Winship Cancer Institute at Emory University, Atlanta, Georgia, USA

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Gastroenteropancreatic high-grade (HG) neuroendocrine carcinoma (GEP-NEC) is an aggressive malignancy with limited treatment options and increasing incidence in the United States. Due to the rarity of the cancer and heterogeneity of the primary tumor location, data on GEP-NEC oncogenesis and its interaction with the host immune system are limited. A greater understanding of GEP-NEC and its tumor microenvironment (TME) would benefit efforts to develop more effective targeted therapies and rationally adapt immunotherapy to this disease. In this study, we profiled the expression of 770 unique genes using 21 biopsy samples from patients with GEP-NEC using the NanoString nCounter PanCancer IO 360 platform. Our results show several trends evident within the GEP-NEC TME. Greater expression of genes indicative of immune cell infiltration was present within the TME of patients <60 years of age and in patients with greater overall survival (OS). Tumors from patients with non-pancreatic NEC had diminished MHCII expression compared to pancreatic NEC, suggesting more prominent adaptive immune responses in the pancreatic GEP-NEC subtype. Patients with a >6 months OS had tumors with elevated NK cell gene signatures compared to patients with poor survival. Further, the analysis revealed numerous differentially expressed genes based on patient age, tumor location, response to treatment, and OS, which warrant future validation for assessing the relationship with clinical outcomes in patients.

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Adam I Kaplan Kolling Institute of Medical Research, The University of Sydney, Sydney, Australia
Department of Endocrinology, Royal North Shore Hospital, Sydney, Australia

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Trisha Dwight Cancer Genetics Laboratory, Kolling Institute, Royal North Shore Hospital, Sydney, Australia
Faculty of Medicine and Health, The University of Sydney, Sydney, Australia

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Catherine Luxford Cancer Genetics Laboratory, Kolling Institute, Royal North Shore Hospital, Sydney, Australia
Faculty of Medicine and Health, The University of Sydney, Sydney, Australia

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Diana E Benn Cancer Genetics Laboratory, Kolling Institute, Royal North Shore Hospital, Sydney, Australia
Faculty of Medicine and Health, The University of Sydney, Sydney, Australia

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Roderick J Clifton-Bligh Department of Endocrinology, Royal North Shore Hospital, Sydney, Australia
Cancer Genetics Laboratory, Kolling Institute, Royal North Shore Hospital, Sydney, Australia
Faculty of Medicine and Health, The University of Sydney, Sydney, Australia

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Phaeochromocytomas and paragangliomas (collectively termed PPGL) are rare yet highly heritable neuroendocrine tumours, with over one-third of cases associated with germline pathogenic variants (PVs) in numerous genes. PVs in the succinate dehydrogenase subunit-A gene (SDHA) were initially implicated in hereditary PPGL in 2010, and SDHA has since become an important susceptibility gene accounting for up to 2.8% of cases. However, it remains poorly understood, particularly regarding the clinical nature of SDHA PPGL, rates of recurrence and metastasis, and the nature of metastatic disease. We present a narrative review of SDHA-related PPGL, covering pathophysiology, relevance to current clinical practice, and considerations for clinical genetics. We analyse a pool of 107 previously reported cases of SDHA-associated PPGL to highlight the spectrum of SDHA-related PPGL. Our analysis demonstrates that SDHA PPGL occurs across a wide age range (11–81 years) and affects men and women equally. SDHA PPGL typically presents as single tumours (91%), usually occurring in the head and neck (46%) or abdomen (43%, including 15% with phaeochromocytomas). Metastatic disease was reported in 25.5% of cases, with bone (82%) and lymph nodes (71%) being the most common sites of metastasis, often identified many years after the initial diagnosis. A family history of SDHA-related neoplasia was rare, reported in only 4% of cases. Understanding the clinical nature and risks associated with SDHA PVs is essential for facilitating the optimal management of patients and their families.

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Marta García-Goñi Department of Endocrinology and Nutrition, University of Navarra, Pamplona, Spain

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Beatriz Vázquez Gutiérrez Department of Endocrinology and Nutrition, University of Navarra, Pamplona, Spain

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Miguel F Sanmamed Department of Oncology, University of Navarra, Pamplona, Spain

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Salvador Martín-Algarra Department of Oncology, University of Navarra, Pamplona, Spain
IdiSNA (Instituto de investigación en la Salud de Navarra), Pamplona, Spain

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José Luis Pérez-Gracia Department of Oncology, University of Navarra, Pamplona, Spain
IdiSNA (Instituto de investigación en la Salud de Navarra), Pamplona, Spain

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María Olmedo Department of Oncology, University of Navarra, Pamplona, Spain

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Estefanía Chumbiauca Department of Endocrinology and Nutrition, University of Navarra, Pamplona, Spain

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Nerea Martín-Calvo IdiSNA (Instituto de investigación en la Salud de Navarra), Pamplona, Spain
Department of Preventive Medicine and Public Health, University of Navarra, Pamplona, Spain
CIBER de Fisiopatología de la Obesidad y la Nutrición, Pamplona, Spain

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Juan C Galofré Department of Endocrinology and Nutrition, University of Navarra, Pamplona, Spain
Department of Preventive Medicine and Public Health, University of Navarra, Pamplona, Spain

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A common immune-related adverse event (irAE) with immune checkpoint inhibitors (ICIs) is thyroid dysfunction (TD-irAEs). The clinical presentation can be varied, and its association with prognosis remains unclear. We investigated the characteristics of TD-irAEs and their association with clinical outcomes among cancer patients treated with ICIs in a real-life setting. Response to treatment was assessed using RECIST v1.1. We calculated the probability of recurrence and survival associated with TD-irAEs using multivariable-adjusted regression and Cox proportional hazards models. In this single-center retrospective analysis, we included 238 patients (72% male) with a median age of 69.5 years. Primary tumors were melanoma (23.1%), lung (60.5%), or urothelial cancer (16.4%), treated with atezolizumab (23.1%), pembrolizumab (44.5%), ipilimumab (0.4%), and/or nivolumab (25.6%). Seventy (29%) patients developed TD-irAEs in a median time of 69 days (41–181). The incidence of TD-irAEs with combination therapy was higher than with monotherapy (67% vs 6.3%, P = 0.011). TD-irAE patients showed a higher objective response rate (ORR) than those without TD-irAEs (60% vs 42.3%, P = 0.013) and longer overall survival (OS) 45 vs 16 months, P < 0.006. Patients who developed TD-irAEs had a relative reduction of 77% (OR 0.23, 95% CI 0.11–0.47) in the risk of progression and of 47% in the risk of mortality (HR 0.53, 95% CI 0.36–0.80), independent of age, sex, primary tumor, or ICI regimen. TD-irAEs occur in nearly 30% of our patients receiving ICIs. In our analysis, TD-irAEs appeared to be associated with higher ORR and longer OS and showed a reduction in the risk of progression and mortality.

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