ABSTRACT
PURPOSE OF REVIEW: Patients with cancer are at high risk for thrombotic events, mainly deep vein thrombosis and pulmonary embolism. Low-molecular-weight heparins (LMWHs) and direct oral anticoagulants (DOACs) are among the current treatment options for cancer-associated thrombosis (CAT). We assessed real world data (RWD) regarding treatment patterns of CAT from 1 September 2018 to 31 January 2020.
RECENT FINDINGS: RWD showed that LMWHs were the most common initial anticoagulation treatment for CAT. Based on these data DOACs had a lower risk of recurrent venous thromboembolism compared with LMWHs and warfarin. However, the selection bias and the small number of patients in these studies might explain this difference and these limitations should be taken into consideration. Moreover, there was no statistical difference regarding adverse events during anticoagulant treatment between LMWHs and DOACs with the limitations of RWD. As far as the duration of the treatment is concerned, the adherence ranged from 100% to 67.3% at 6 months.
SUMMARY: The current review of RWD illustrates that LMWHs and DOACs are used for the treatment of CAT. LMWHs are most commonly used for the initial management of CAT. Data regarding recurrence of CAT, adverse events, compliance and duration of anticoagulant treatment should be analyzed with caution as RWD are observational studies with many limitations. Further research is needed to elucidate the best algorithm for the management of CAT.
PMID:32541315 | DOI:10.1097/CCO.0000000000000646
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PubMed articles on: Cardio-Oncology
Resiliency and Our Cardio-Oncology Community
Ky B. JACC CardioOncol 2020.
NO ABSTRACT
PMID:32548596 | PMC:PMC7243765 | DOI:10.1016/j.jaccao.2020.05.003
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PubMed articles on: Cancer & VTE/PE
Anticoagulants for the treatment of venous thromboembolism in patients with cancer: A comprehensive systematic review, pairwise and network meta-analysis
Sidahmed S, et al. Crit Rev Oncol Hematol 2020 - Review.
ABSTRACT
Cancer-associated venous thromboembolism (VTE) is associated with high VTE recurrence and bleeding. We included all randomized clinical trials that evaluated the efficacy and safety of various anticoagulants in cancer-associated VTE. Trial-level data were extracted from 13 trials. Aggregate odds ratios (ORs) were calculated using direct and network meta-analysis. The primary outcome was VTE (pulmonary embolism and/or deep vein thrombosis) recurrence. Secondary outcomes were major bleeding and all-cause mortality. We identified 13 trials with 4869 patient-years of follow-up (6595 total patients; mean age 62.4 ± 12.2; 50.4 % female; 17.7 % hematological malignancies). The most common cancer type was colorectal and 48 % had metastatic cancer at baseline. Compared to vitamin-K-antagonists (VKAs), non-vitamin-K-antagonist-oral-anticoagulants (NOACs) were associated with significantly reduced VTE recurrence (OR, 0.58; 95 % CI, 0.40-0.83) and reduced major bleeding risks (OR, 0.56; 95 % CI, 0.35-0.91). However, no differences were observed in the subgroup analysis of patients with active cancer. Although NOACs were associated with reduced VTE recurrence compared with low-molecular-weight-heparin (LMWHs) (OR, 0.46; 95 % CI, 0.25- 0.85), there was a significant increased major bleeding in high-quality trials. LMWHs were associated with significantly reduced VTE recurrence compared with VKAs (OR, 0.52; 95 % CI, 0.39-0.71) and similar bleeding risks. Conclusions: Among patients with cancer-associated VTE, NOACs were associated with significantly reduced VTE recurrence and bleeding compared with VKAs, however, with similar outcomes in the active cancer population. NOACs were associated with reduced VTE recurrence but higher bleeding risks compared with LMWHs. LMWHs were associated with significantly reduced VTE recurrence and similar bleeding compared with VKAs.
PMID:32540780 | DOI:10.1016/j.critrevonc.2020.103005
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PubMed articles on: Cancer & VTE/PE
Vascular effects of cancer treatments
Campia U. Vasc Med 2020.
ABSTRACT
Chemotherapy, alone or in association with radiation therapy, has represented the cornerstone of cancer treatment for decades. However, in the last several years, an unprecedented progress in the understanding of cancer biology and the discovery of novel therapeutic targets have led to a paradigm shift in the management of patients with neoplastic diseases. The introduction of tyrosine kinase inhibitors, vascular endothelial growth factor pathway inhibitors, immunomodulatory agents, proteasome inhibitors, immune checkpoint inhibitors, and chimeric antigen receptor T cells, among others, has been associated with prolonged survival in many forms of cancer. A common feature of both chemotherapy and novel cancer treatments is the frequent occurrence of vascular toxicity, mainly mediated by injury to the endothelium. While the mechanisms may vary between agents, the clinical manifestations may overlap and range from hypertension, vasospastic and thrombotic arterial events (myocardial ischemia and infarction, peripheral ischemia, and limb gangrene), venous thromboembolism (deep vein thrombosis and pulmonary embolism) to capillary leak syndrome. Therefore, the effective management of patients with cancer requires a multidisciplinary team approach in which oncologist and cardiovascular medicine specialists work together to prevent, detect, and minimize acute vascular toxicity and long-term consequences of cancer therapy.
PMID:32539632 | DOI:10.1177/1358863X20914978
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PubMed articles on: Cardio-Oncology
Cardio-Oncology in Brazil: The Dimensions of a New Era in the Care of Patients
Hajjar LA and Mathias C. JACC CardioOncol 2020.
NO ABSTRACT
PMID:32548595 | PMC:PMC7243784 | DOI:10.1016/j.jaccao.2020.05.004
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PubMed articles on: Cancer & VTE/PE
Effect of chemotherapy and longitudinal analysis of circulating extracellular vesicle tissue factor activity in patients with pancreatic and colorectal cancer
Kasthuri RS, et al. Res Pract Thromb Haemost 2020.
ABSTRACT
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