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Meta-Analysis of Reversal Agents for Severe Bleeding Associated With Direct Oral Anticoagulants. J Am Coll Cardiol 2021; 77:2987-3001. [PMID: 34140101 DOI: 10.1016/j.jacc.2021.04.061] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 03/30/2021] [Accepted: 04/13/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND Direct oral anticoagulants (DOACs) have shown a positive benefit-risk balance in both clinical trials and real-world data, but approximately 2% to 3.5% of patients experience major bleeding annually. Many of these patients require hospitalization, and the administration of reversal agents may be required to control bleeding. OBJECTIVES The aim of this study was to investigate clinical outcomes associated with the use of 4-factor prothrombin complex concentrates, idarucizumab, or andexanet for reversal of severe DOAC-associated bleeding. METHODS The investigators systematically searched for studies of reversal agents for the treatment of severe bleeding associated with DOAC. Mortality rates, thromboembolic events, and hemostatic efficacy were meta-analyzed using a random effects model. RESULTS The investigators evaluated 60 studies in 4,735 patients with severe DOAC-related bleeding who were treated with 4-factor prothrombin complex concentrates (n = 2,688), idarucizumab (n = 1,111), or andexanet (n = 936). The mortality rate was 17.7% (95% confidence interval [CI]: 15.1% to 20.4%), and it was higher in patients with intracranial bleedings (20.2%) than in patients with extracranial hemorrhages (15.4%). The thromboembolism rate was 4.6% (95% CI: 3.3% to 6.0%), being particularly high with andexanet (10.7%; 95% CI: 6.5% to 15.7%). The effective hemostasis rate was 78.5% (95% CI: 75.1% to 81.8%) and was similar regardless of the reversal agent considered. The rebleeding rate was 13.2% (95% CI: 5.5% to 23.1%) and 78% of rebleeds occurred after resumption of anticoagulation. The risk of death was markedly and significantly associated with failure to achieve effective hemostasis (relative risk: 3.63; 95% CI: 2.56 to 5.16). The results were robust regardless of the type of study or the hemostatic scale used. CONCLUSIONS The risk of death after severe DOAC-related bleeding remains significant despite a high rate of effective hemostasis with reversal agents. Failure to achieve effective hemostasis strongly correlated with a fatal outcome. Thromboembolism rates are particularly high with andexanet. Comparative clinical trials are needed.
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Boriani G, Lee G, Parrini I, Lopez-Fernandez T, Lyon AR, Suter T, Van der Meer P, Cardinale D, Lancellotti P, Zamorano JL, Bax JJ, Asteggiano R. Anticoagulation in patients with atrial fibrillation and active cancer: an international survey on patient management. Eur J Prev Cardiol 2020; 28:611-621. [PMID: 33624005 DOI: 10.1093/eurjpc/zwaa054] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 07/20/2020] [Accepted: 08/10/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND In patients with active cancer and atrial fibrillation (AF) anticoagulation, thrombotic and bleeding risk still entail uncertainty. AIM We explored the results of an international survey examining the knowledge and behaviours of a large group of physicians. METHODS AND RESULTS A web-based survey was completed by 960 physicians (82.4% cardiologists, 75.5% from Europe). Among the currently available anticoagulants for stroke prevention in patients with active cancer, direct oral anticoagulants (DOACs) were preferred by 62.6%, with lower values for low molecular weight heparin (LMWH) (24.1%) and for warfarin (only 7.3%). About 46% of respondents considered that DOACs should be used in all types of cancers except in non-operable gastrointestinal cancers. The lack of controlled studies on bleeding risk (33.5% of respondents) and the risk of drug interactions (31.5%) were perceived as problematic issues associated with use of anticoagulants in cancer. The decision on anticoagulation involved a cardiologist in 27.8% of cases, a cardiologist and an oncologist in 41.1%, and a team approach in 21.6%. The patient also was involved in decision-making, according to ∼60% of the respondents. For risk stratification, use of CHA2DS2-VASc and HAS-BLED scores was considered appropriate, although not specifically validated in cancer patients, by 66.7% and 56.4%, respectively. CONCLUSION This survey highlights that management of anticoagulation in patients with AF and active cancer is challenging, with substantial heterogeneity in therapeutic choices. Direct oral anticoagulants seems having an emerging role but still the use of LMWH remains substantial, despite the absence of long-term data on thromboprophylaxis in AF.
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Affiliation(s)
- Giuseppe Boriani
- Cardiology Division, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Policlinico di Modena, Via del Pozzo, 71, 41124 Modena, Italy
| | - Geraldine Lee
- Florence Nightingale Faculty of Nursing, Midwifery & Palliative Care, King's College London, 57 Waterloo Road, London SE1 8WA, UK
| | - Iris Parrini
- Cardiology Division, Mauriziano Hospital, Via Magellano 1, 10128, Turin, Italy
| | - Teresa Lopez-Fernandez
- Division of Cardiology, Cardiac Imaging and Cardio-Oncology Unit, La Paz University Hospital, IdiPAZ Research Institute, CIBER CV, Calle de Pedro Rico, 6, 28029 Madrid, Spain
| | - Alexander R Lyon
- Cardio-Oncology Service, Royal Brompton & Harefield NHS Foundation Trust and the National Heart & Lung Institute, Imperial College London, Sydney Street , Greater London, SW3 6NP, UK
| | - Thomas Suter
- Cardiology, University Hospital Inselspital, Freiburgstrasse 41G, 3010 Bern, Switzerland
| | - Peter Van der Meer
- Department of Cardiology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Daniela Cardinale
- Cardioncology Unit, European Institute of Oncology, I.R.C.C.S., Via Giuseppe Ripamonti 435, 20141, Milan, Italy
| | - Patrizio Lancellotti
- Department of Cardiology, CHU Sart Tilman, University of Liège Hospital, GIGA Cardiovascular Sciences, Avenue de L'Hòpital 1-11, 4000 Liège, Belgium.,Gruppo Villa Maria Care and Research, Maria Cecilia Hospital, Via Corriera, 1, 48033 Cotignola (Ravenna), and Anthea Hospital, Via Camillo Rosalba, 35/37, 70124 Bari, Italy
| | - Jose Luis Zamorano
- University Hospital Ramon y Cajal, CiberCV, Ctra. de Colmenar Viejo km. 9,100 28034 Madrid, Spain
| | - Jeroen J Bax
- Department of Cardiology, Leiden University Medical Centre (LUMC), Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Riccardo Asteggiano
- School of Medicine, University of Insubria, Via Ravasi, 2, 21100 Varese, Italy.,LARC (Laboratorio Analisi e Ricerca Clinica), Corso Venezia, 10, 10155 Turin, Italy
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Liu LZ, Peng KY, Yue FR, Li XH, Zhang L. Synthesis, Crystal Structure, and Anti-Gastric Cancer Activity of Ethyl 3-(3-Amino-4-(Methylamino)-N-(Pyridin-2-Yl) Benzamido)Propanoate. J STRUCT CHEM+ 2020. [DOI: 10.1134/s0022476619120187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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