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Dafaalla M, Abramov D, Van Spall HG, Ghosh AK, Gale CP, Zaman S, Rashid M, Mamas MA. Heart Failure Readmission in Patients With ST-Segment Elevation Myocardial Infarction and Active Cancer. JACC CardioOncol 2024; 6:117-129. [PMID: 38510288 PMCID: PMC10950442 DOI: 10.1016/j.jaccao.2023.10.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 10/24/2023] [Accepted: 10/31/2023] [Indexed: 03/22/2024] Open
Abstract
Background Although numerous studies have examined readmission with heart failure (HF) after acute myocardial infarction (AMI), limited data are available on HF readmission in cancer patients post-AMI. Objectives This study aimed to assess the rates and factors associated with HF readmission in cancer patients presenting with ST-segment elevation myocardial infarction (STEMI). Methods A nationally linked cohort of STEMI patients between January 2005 and March 2019 were obtained from the UK Myocardial Infarction National Audit Project registry and the UK national Hospital Episode Statistics Admitted Patient Care registry. Multivariable Fine-Gray competing risk models were used to evaluate HF readmission at 30 days and 1 year. Results A total of 326,551 STEMI indexed admissions were included, with 7,090 (2.2%) patients having active cancer. The cancer group was less likely to be admitted under the care of a cardiologist (74.5% vs 81.9%) and had lower rates of invasive coronary angiography (62.2% vs 72.7%; P < 0.001) and percutaneous coronary intervention (58.4% vs. 69.5%). There was a significant prescription gap in the administration of post-AMI medications upon discharge such as an angiotensin-converting enzyme inhibitor/angiotensin receptor blocker (49.5% vs 71.1%) and beta-blockers (58.4% vs 68.0%) in cancer patients. The cancer group had a higher rate of HF readmission at 30 days (3.2% vs 2.3%) and 1 year (9.4% vs 7.3%). However, after adjustment, cancer was not independently associated with HF readmission at 30 days (subdistribution HR: 1.05; 95% CI: 0.86-1.28) or 1 year (subdistribution HR: 1.03; 95% CI: 0.92-1.16). The opportunity-based quality indicator was associated with higher rates of HF readmission independent of cancer diagnosis. Conclusions Cancer patients receive care that differs in important ways from patients without cancer. Greater implementation of evidence-based care may reduce HF readmissions, including in cancer patients.
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Affiliation(s)
- Mohamed Dafaalla
- Keele Cardiovascular Research Group, Centre for Prognosis Research, Keele University, Stoke-on-Trent, United Kingdom
| | - Dmitry Abramov
- Loma Linda University International Heart Institute, Loma Linda, California, USA
| | - Harriette G.C. Van Spall
- Departments of Medicine and Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada
| | - Arjun K. Ghosh
- Barts Heart Centre, St Bartholomew’s Hospital, Barts Health National Health Service Trust, London, United Kingdom
- Hatter Cardiovascular Institute, University College London Hospital National Health Service Foundation Trust, London, United Kingdom
| | - Chris P. Gale
- Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, United Kingdom
| | - Sarah Zaman
- Department of Cardiology, Westmead Hospital, Sydney, Australia
- Westmead Applied Research Centre, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
| | - Muhammad Rashid
- Keele Cardiovascular Research Group, Centre for Prognosis Research, Keele University, Stoke-on-Trent, United Kingdom
| | - Mamas A. Mamas
- Keele Cardiovascular Research Group, Centre for Prognosis Research, Keele University, Stoke-on-Trent, United Kingdom
- Department of Medicine, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
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Dafaalla M, Abdel-Qadir H, Gale CP, Sun L, López-Fernández T, Miller RJH, Wojakowski W, Nolan J, Rashid M, Mamas MA. Outcomes of ST elevation myocardial infarction in patients with cancer: a nationwide study. EUROPEAN HEART JOURNAL. QUALITY OF CARE & CLINICAL OUTCOMES 2023; 9:806-817. [PMID: 36921979 DOI: 10.1093/ehjqcco/qcad012] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 02/02/2023] [Accepted: 02/08/2023] [Indexed: 03/17/2023]
Abstract
AIMS To assess processes of care and clinical outcomes in cancer patients with ST elevation myocardial infarction (STEMI) according to cancer type. METHODS AND RESULTS This is a national population-based study of patients admitted with STEMI in the UK between January 2005 and March 2019. Data were obtained from the National Heart Attack Myocardial Infarction National Audit Project (MINAP) registry and the Hospital Episode Statistics registry. We identified 353 448 STEMI-indexed admissions between 2005 and 2019. Of those, 8581 (2.4%) had active cancer. Prostate cancer (29% of STEMI patients with cancer) was the most common cancer followed by haematologic malignancies (14%) and lung cancer (13%). Cancer patients were less likely to receive invasive coronary revascularization (60.0% vs. 71.6%, P < 0.001] and had higher in-hospital death [odd ratio (OR) 1.39, 95% confidence interval (CI) 1.25-1.54] and bleeding (OR 1.23, 95% CI 1.03-1.46). Cancer patients had higher mortality at 30 days (HR 2.39, 95% CI 2.19-2.62) and 1 year (HR 3.73, 95% CI 3.58-3.89). Lung cancer was the cancer associated with the highest risk of death in the hospital (OR 1.75, 95% CI 1.39-2.22) and at 1 year (OR 8.08, 95% CI 7.44-8.78). Colon cancer (OR 1.98, 95% CI 1.24-3.14) was the main cancer associated with major bleeding. All common cancer types were associated with higher mortality at 1 year. Cardiovascular death (62%) was the main cause of death in the first 30 days, while cancer (52%) was the main cause of death within 1 year. CONCLUSION STEMI patients with cancer have a higher risk of short- and long-term mortality, particularly lung cancer. Colon cancer is the main cancer associated with major bleeding. Cardiovascular disease was the main cause of death in the first month, whereas cancer was the main cause of death within 1 year.
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Affiliation(s)
- Mohamed Dafaalla
- Keele Cardiovascular Research Group, Centre for Prognosis Research, Keele University, Stoke-on-Trent, UK
| | - Husam Abdel-Qadir
- Department of Medicine and Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Canada
| | - Chris P Gale
- Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK
| | - Louise Sun
- Division of Cardiac Anesthesiology, University of Ottawa Heart Institute, Ottawa, Ontario, Canada
| | - Teresa López-Fernández
- Cardiology Department, La Paz University Hospital, IdiPAZ Research Institute, Madrid, Spain
| | - Robert J H Miller
- Departments of Medicine (Division of Artificial Intelligence in Medicine), Imaging and Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA
- Libin Cardiovascular Institute of Alberta and University of Calgary, Calgary, Alberta, Canada
| | - Wojtek Wojakowski
- Division of Cardiology and Structural Heart Diseases, Medical University of Silezia, Katowice, Poland
| | - James Nolan
- Keele Cardiovascular Research Group, Centre for Prognosis Research, Keele University, Stoke-on-Trent, UK
| | - Muhammad Rashid
- Keele Cardiovascular Research Group, Centre for Prognosis Research, Keele University, Stoke-on-Trent, UK
| | - Mamas A Mamas
- Keele Cardiovascular Research Group, Centre for Prognosis Research, Keele University, Stoke-on-Trent, UK
- Department of Medicine, Thomas Jefferson University, Philadelphia, PA, USA
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Yang YX, Zhang HP, Li C, Fu Y, He KZ, Liu XM, Wang HJ, Xia K, Xu L, Zhong JC, Chen ML, Wang LF. Comparisons of drug-eluting balloon versus drug-eluting stent for the treatment of cancer patients presenting with acute myocardial infarction. Eur J Med Res 2023; 28:334. [PMID: 37689799 PMCID: PMC10492280 DOI: 10.1186/s40001-023-01316-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 08/25/2023] [Indexed: 09/11/2023] Open
Abstract
BACKGROUND Treatment for cancer patients presenting with acute myocardial infarction (AMI) remains challenging. The objective of the study was to investigate the safety and efficiency of drug eluting balloon (DEB) versus drug eluting stent (DES) in this high-risk group. METHODS Between 1st January 2017 and 1st January 2022, cancer patients admitted to Beijing Chaoyang Hospital with AMI were retrospectively enrolled. The primary endpoint was major adverse cardiovascular event (MACE). The secondary endpoints included major bleeding events, heart failure and cardiac complications. RESULTS A total of 164 cancer patients presenting with AMI were included in the final analysis. Patients treated with DEB had a numerically lower rate of MACE than those treated with DES during a median follow-up of 21.8 months (22.9% vs. 37.1%, p = 0.23). Patients treated with DEB had a trend towards lower rate of major bleeding events than patients treated with DES (6.3% vs. 18.1%, HR 2.96, 95% CI [0.88, 9.92], p = 0.08). There were no significant differences between the two groups with regards to the rate of heart failure (4.2% vs. 9.5%, p = 0.32) and cardiac complications (0.0% vs. 2.6%, p = 0.56). CONCLUSIONS The present study demonstrated that in cancer patients with AMI, DEB had a trend towards lower rate of major bleeding events and a numerically lower rate of MACE compared with DES.
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Affiliation(s)
- Yi-Xing Yang
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, No. 8, Gongti South Road, Chaoyang District, Beijing, 100020, China
| | - Huai-Peng Zhang
- Department of Cardiology, Heze Municipal Hospital, No. 2888, Caozhou Road, Mudan District, Heze, 274000, Shandong, China
| | - Chuang Li
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, No. 8, Gongti South Road, Chaoyang District, Beijing, 100020, China
| | - Yuan Fu
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, No. 8, Gongti South Road, Chaoyang District, Beijing, 100020, China
| | - Kui-Zheng He
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, No. 8, Gongti South Road, Chaoyang District, Beijing, 100020, China
| | - Xin-Ming Liu
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, No. 8, Gongti South Road, Chaoyang District, Beijing, 100020, China
| | - Hong-Jiang Wang
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, No. 8, Gongti South Road, Chaoyang District, Beijing, 100020, China
| | - Kun Xia
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, No. 8, Gongti South Road, Chaoyang District, Beijing, 100020, China
| | - Li Xu
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, No. 8, Gongti South Road, Chaoyang District, Beijing, 100020, China
| | - Jiu-Chang Zhong
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, No. 8, Gongti South Road, Chaoyang District, Beijing, 100020, China
| | - Mu-Lei Chen
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, No. 8, Gongti South Road, Chaoyang District, Beijing, 100020, China
| | - Le-Feng Wang
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, No. 8, Gongti South Road, Chaoyang District, Beijing, 100020, China.
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Wan Kim J, Monlezun D, Kun Park J, Chauhan S, Balanescu D, Koutroumpakis E, Palaskas N, Kim P, Hassan S, Botz G, Crommett J, Reddy D, Cilingiroglu M, Marmagkiolis K, Iliescu C. Post-Cardiac Arrest PCI is Underutilized Among Cancer Patients: Machine Learning Augmented Nationally Representative Case-Control Study of 30 Million Hospitalizations. Resuscitation 2022; 179:43-49. [PMID: 35933056 DOI: 10.1016/j.resuscitation.2022.07.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 07/05/2022] [Accepted: 07/25/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND Cancer patients are less likely to undergo percutaneous coronary intervention (PCI) after cardiac arrest, although they demonstrate improved mortality benefit from the procedure. We produced the largest nationally representative analysis of mortality of cardiac arrest and PCI for patients with cancer versus non-cancer. METHODS Propensity score adjusted multivariable regression for mortality was performed in this case-control study of the United States' largest all-payer hospitalized dataset, the 2016 National Inpatient Sample. Regression models of mortality and PCI weighted by the complex survey design were fully adjusted for age, race, income, cancer metastases, NIS-calculated mortality risk by Diagnosis Related Group (DRG), acute coronary syndrome, and likelihood of undergoing PCI RESULTS: Of the 30,195,722 hospitalized adult patients, 15.43% had cancer, and 0.79% of the whole sample presented with cardiac arrest (of whom 20.57% underwent PCI). In fully adjusted regression analysis among patients with cardiac arrest, PCI significantly reduced mortality (OR 0.15, 95%CI 0.13-0.19; p<0.001) among patients with cancer greater than those without it (OR 0.21, 95%CI 0.20-0.23; p<0.001). CONCLUSIONS This nationally representative study suggests that post-cardiac arrest PCI is underutilized among patients with cancer despite its significant mortality reduction for such patients (independent of clinical acuity).
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Affiliation(s)
- Jin Wan Kim
- Department of Internal Medicine, The University of Texas Health Science Center at Houston, Houston, TX, USA.
| | - Dominique Monlezun
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jong Kun Park
- Department of Internal Medicine, The University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Siddharth Chauhan
- Department of Internal Medicine, The University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Dinu Balanescu
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | | | - Nicolas Palaskas
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Peter Kim
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Saamir Hassan
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Gregory Botz
- Department of Critical Care Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - John Crommett
- Department of Critical Care Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Dereddi Reddy
- Department of Critical Care Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Mehmet Cilingiroglu
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | | | - Cezar Iliescu
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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EHA Guidelines on Management of Antithrombotic Treatments in Thrombocytopenic Patients With Cancer. Hemasphere 2022; 6:e750. [PMID: 35924068 PMCID: PMC9281983 DOI: 10.1097/hs9.0000000000000750] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 06/01/2022] [Indexed: 01/19/2023] Open
Abstract
In cancer patients, thrombocytopenia can result from bone marrow infiltration or from anticancer medications and represents an important limitation for the use of antithrombotic treatments, including anticoagulant, antiplatelet, and fibrinolytic agents. These drugs are often required for prevention or treatment of cancer-associated thrombosis or for cardioembolic prevention in atrial fibrillation in an increasingly older cancer population. Data indicate that cancer remains an independent risk factor for thrombosis even in case of thrombocytopenia, since mild-to-moderate thrombocytopenia does not protect against arterial or venous thrombosis. In addition, cancer patients are at increased risk of antithrombotic drug-associated bleeding, further complicated by thrombocytopenia and acquired hemostatic defects. Furthermore, some anticancer treatments are associated with increased thrombotic risk and may generate interactions affecting the effectiveness or safety of antithrombotic drugs. In this complex scenario, the European Hematology Association in collaboration with the European Society of Cardiology has produced this scientific document to provide a clinical practice guideline to help clinicians in the management of patients with cancer and thrombocytopenia. The Guidelines focus on adult patients with active cancer and a clear indication for anticoagulation, single or dual antiplatelet therapy, their combination, or reperfusion therapy, who have concurrent thrombocytopenia because of either malignancy or anticancer medications. The level of evidence and the strength of the recommendations were discussed according to a Delphi procedure and graded according to the Oxford Centre for Evidence-Based Medicine.
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Fiuza M. Managing ischemic and bleeding risk in cancer patients presenting with acute coronary syndromes: A challenge accepted? Rev Port Cardiol 2022; 41:583-585. [DOI: 10.1016/j.repc.2022.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Lucà F, Parrini I, Abrignani MG, Rao CM, Piccioni L, Di Fusco SA, Ceravolo R, Bisceglia I, Riccio C, Gelsomino S, Colivicchi F, Gulizia MM. Management of Acute Coronary Syndrome in Cancer Patients: It's High Time We Dealt with It. J Clin Med 2022; 11:jcm11071792. [PMID: 35407399 PMCID: PMC8999526 DOI: 10.3390/jcm11071792] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 03/12/2022] [Accepted: 03/18/2022] [Indexed: 02/05/2023] Open
Abstract
Cancer patients have an increased risk of cardiovascular disease and, notably, a significant prevalence of acute coronary syndrome (ACS). It has been shown that an elevated presence of cardiovascular risk factors in this setting leads to an interaction between these two conditions, influencing their therapeutic strategies and contributing to higher mortality. Nonetheless, cancer patients have generally not been evaluated in ACS trials, so that the treatment in these cases is still not fully known. We reviewed the current literature and discussed the best management for these very high-risk patients. The treatment strategy must be tailored based on the cancer type and stage, balancing thrombotic and bleeding risks. When the prognosis is longer than six months, especially if a clinical instability coexists, patients with ACS and cancer should be referred for percutaneous coronary intervention (PCI) as soon as possible. Moreover, an invasive strategy should be preferred in STEMI patients as well as in NSTEMI patients who are considered as high risk. On the contrary, in clinically stable NSTEMI patients, a conservative non-invasive strategy could be adopted, especially in cases of a poor life expectancy and/or of high risk of bleeding. Drug-Eluting-Stents (DES) should be the first choice if an invasive strategy is adopted. Conservative therapy could instead be considered in cancer patients with more stable CAD at an increased risk of major bleeding complications. However, the duration of dual antiplatelet therapy (DAPT) with aspirin and clopidogrel is recommended, but it should be as short as possible, whereas triple antithrombotic therapy is non-advised because it significantly increases the risk of bleeding. ACS management among cancer patients should be based on an accurate evaluation of the risk of thrombosis and bleeding. Future studies focused on choosing optimal strategies in tumor patients with ACS should be performed to treat this subset of patients better.
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Affiliation(s)
- Fabiana Lucà
- Cardiology Department, Grande Ospedale Metropolitano, AO Bianchi Melacrino Morelli, 89129 Reggio Calabria, Italy;
- Correspondence:
| | - Iris Parrini
- Cardiology Department, Ospedale Mauriziano Umberto I, 10128 Torino, Italy;
| | | | - Carmelo Massimiliano Rao
- Cardiology Department, Grande Ospedale Metropolitano, AO Bianchi Melacrino Morelli, 89129 Reggio Calabria, Italy;
| | - Laura Piccioni
- Cardiology Department, Ospedale “G. Mazzini”, 64100 Teramo, Italy;
| | - Stefania Angela Di Fusco
- Clinical and Rehabilitation Cardiology Department, Presidio Ospedaliero San Filippo Neri, ASL Roma 1, 10128 Roma, Italy; (S.A.D.F.); (F.C.)
| | - Roberto Ceravolo
- Cardiology Department, Ospedale Lamezia Terme, 88046 Catanzaro, Italy;
| | - Irma Bisceglia
- Integrated Cardiology Services, Cardio-Thoracic-Vascular Department, Azienda Ospedaliera San Camillo Forlanini, 00152 Roma, Italy;
| | - Carmine Riccio
- Cardiovascular Department, A.O.R.N. Sant’Anna e San Sebastiano, 81100 Caserta, Italy;
| | - Sandro Gelsomino
- Cardiothoracic Department, Maastricht University, 6221 Maastricht, The Netherlands;
| | - Furio Colivicchi
- Clinical and Rehabilitation Cardiology Department, Presidio Ospedaliero San Filippo Neri, ASL Roma 1, 10128 Roma, Italy; (S.A.D.F.); (F.C.)
| | - Michele Massimo Gulizia
- Cardiology Department, Azienda di Rilievo Nazionale e Alta Specializzazione “Garibaldi”, 95126 Catania, Italy;
- Fondazione per il Tuo Cuore-Heart Care Foundation, 50121 Firenze, Italy
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Naschitz JE. Cancer-Associated Atherothrombosis: The Challenge. Int J Angiol 2021; 30:249-256. [PMID: 34853571 DOI: 10.1055/s-0041-1729920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
The association between venous thrombosis and malignancy, having typical features of a paraneoplastic syndrome, has been established for a century. Currently, it is recognized that arterial thromboembolism (ATE) may also behave as a paraneoplastic syndrome. Recent matched cohort studies, systematic reviews, and observational studies concur in showing an increased incidence of acute coronary events, ischemic stroke, accelerated peripheral arterial disease, and in-stent thrombosis during the 6-month period before cancer diagnosis, peaking for 30 days immediately before cancer diagnosis. Cancer patients with ATE are at higher risk of in-hospital and long-term mortality as compared with noncancer patients. In the present review, we focus on the epidemiology, clinical variants and presentation, morbidity, mortality, primary and secondary prevention, and treatment of cancer-associated ATE. The awareness that cancer can be a risk factor for ATE and that cancer therapy can initiate cardiovascular complications make it mandatory to identify high-risk patients, modify preexistent cardiovascular risk factors, and adopt effective antithrombotic prophylaxis. For ATE prophylaxis, modifiable patient-related risk factors and oncology treatment-related factors are levers for intervention. Statins and platelet antiaggregants have been studied, but their efficacy for prevention of cancer-associated ATE remains to be demonstrated. Results of revascularization procedures for cancer-associated ATE are worse than for ATE in noncancer patients. It is important that a multidisciplinary approach is adopted for making informed decisions, by involving the vascular surgeon, interventional radiologist, oncologist, and palliative medicine, as well as the patients and their family.
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Affiliation(s)
- Jochanan E Naschitz
- The Ruth and Bruce Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel.,Comprehensive Geriatric Ward, Bait Balev Nesher, Nesher, Israel
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Abstract
BACKGROUND Many drugs approved for other indications can control the growth of tumor cells and limit adverse events (AE). DATA SOURCES Literature searches with keywords 'repurposing and cancer' books, websites: https://clinicaltrials.gov/, for drug structures: https://pubchem.ncbi.nlm.nih.gov/. AREAS OF AGREEMENT Introducing approved drugs, such as those developed to treat diabetes (Metformin) or inflammation (Thalidomide), identified to have cytostatic activity, can enhance chemotherapy or even replace more cytotoxic drugs. Also, anti-inflammatory compounds, cytokines and inhibitors of proteolysis can be used to control the side effects of chemo- and immuno-therapies or as second-line treatments for tumors resistant to kinase inhibitors (KI). Drugs specifically developed for cancer therapy, such as interferons (IFN), the tyrosine KI abivertinib TKI (tyrosine kinase inhibitor) and interleukin-6 (IL-6) receptor inhibitors, may help control symptoms of Covid-19. AREAS OF CONTROVERSY Better knowledge of mechanisms of drug activities is essential for repurposing. Chemotherapies induce ER stress and enhance mutation rates and chromosome alterations, leading to resistance that cannot always be related to mutations in the target gene. Metformin, thalidomide and cytokines (IFN, tumor necrosis factor (TNF), interleukin-2 (IL-2) and others) have pleiomorphic activities, some of which can enhance tumorigenesis. The small and fragile patient pools available for clinical trials can cloud the data on the usefulness of cotreatments. GROWING POINTS Better understanding of drug metabolism and mechanisms should aid in repurposing drugs for primary, adjuvant and adjunct treatments. AREAS TIMELY FOR DEVELOPING RESEARCH Optimizing drug combinations, reducing cytotoxicity of chemotherapeutics and controlling associated inflammation.
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Affiliation(s)
- Catherine H Schein
- Department of Biochemistry and Molecular Biology Faculty, Institute for Human Infections and Immunity (IHII), University of Texas Medical Branch, Galveston 301 University Boulevard, Galveston, Texas 77555, USA
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