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Meinel TR, Wilson D, Gensicke H, Scheitz JF, Ringleb P, Goganau I, Kaesmacher J, Bae HJ, Kim DY, Kermer P, Suzuki K, Kimura K, Macha K, Koga M, Wada S, Altersberger V, Salerno A, Palanikumar L, Zini A, Forlivesi S, Kellert L, Wischmann J, Kristoffersen ES, Beharry J, Barber PA, Hong JB, Cereda C, Schlemm E, Yakushiji Y, Poli S, Leker R, Romoli M, Zedde M, Curtze S, Ikenberg B, Uphaus T, Giannandrea D, Portela PC, Veltkamp R, Ranta A, Arnold M, Fischer U, Cha JK, Wu TY, Purrucker JC, Seiffge DJ. Intravenous Thrombolysis in Patients With Ischemic Stroke and Recent Ingestion of Direct Oral Anticoagulants. JAMA Neurol 2023; 80:233-243. [PMID: 36807495 PMCID: PMC9857462 DOI: 10.1001/jamaneurol.2022.4782] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 10/21/2022] [Indexed: 02/07/2023]
Abstract
Importance International guidelines recommend avoiding intravenous thrombolysis (IVT) in patients with ischemic stroke who have a recent intake of a direct oral anticoagulant (DOAC). Objective To determine the risk of symptomatic intracranial hemorrhage (sICH) associated with use of IVT in patients with recent DOAC ingestion. Design, Setting, and Participants This international, multicenter, retrospective cohort study included 64 primary and comprehensive stroke centers across Europe, Asia, Australia, and New Zealand. Consecutive adult patients with ischemic stroke who received IVT (both with and without thrombectomy) were included. Patients whose last known DOAC ingestion was more than 48 hours before stroke onset were excluded. A total of 832 patients with recent DOAC use were compared with 32 375 controls without recent DOAC use. Data were collected from January 2008 to December 2021. Exposures Prior DOAC therapy (confirmed last ingestion within 48 hours prior to IVT) compared with no prior oral anticoagulation. Main Outcomes and Measures The main outcome was sICH within 36 hours after IVT, defined as worsening of at least 4 points on the National Institutes of Health Stroke Scale and attributed to radiologically evident intracranial hemorrhage. Outcomes were compared according to different selection strategies (DOAC-level measurements, DOAC reversal treatment, IVT with neither DOAC-level measurement nor idarucizumab). The association of sICH with DOAC plasma levels and very recent ingestions was explored in sensitivity analyses. Results Of 33 207 included patients, 14 458 (43.5%) were female, and the median (IQR) age was 73 (62-80) years. The median (IQR) National Institutes of Health Stroke Scale score was 9 (5-16). Of the 832 patients taking DOAC, 252 (30.3%) received DOAC reversal before IVT (all idarucizumab), 225 (27.0%) had DOAC-level measurements, and 355 (42.7%) received IVT without measuring DOAC plasma levels or reversal treatment. The unadjusted rate of sICH was 2.5% (95% CI, 1.6-3.8) in patients taking DOACs compared with 4.1% (95% CI, 3.9-4.4) in control patients using no anticoagulants. Recent DOAC ingestion was associated with lower odds of sICH after IVT compared with no anticoagulation (adjusted odds ratio, 0.57; 95% CI, 0.36-0.92). This finding was consistent among the different selection strategies and in sensitivity analyses of patients with detectable plasma levels or very recent ingestion. Conclusions and Relevance In this study, there was insufficient evidence of excess harm associated with off-label IVT in selected patients after ischemic stroke with recent DOAC ingestion.
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Affiliation(s)
- Thomas R. Meinel
- Stroke Research Center Bern, Department of Neurology, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Duncan Wilson
- Department of Neurology, Christchurch Hospital, Christchurch, New Zealand
- New Zealand Brain Research Institute, Christchurch, New Zealand
| | - Henrik Gensicke
- Stroke Center, Department of Neurology, University Hospital Basel, Basel, Switzerland
- Neurology and Neurorehabilitation, University Department of Geriatric Medicine Felix Platter, University of Basel, Basel, Switzerland
| | - Jan F. Scheitz
- Department of Neurology, Berlin Institute of Health, Charité–Universitätsmedizin Berlin, Berlin, Germany
- German Center for Cardiovascular Research Partner Site Berlin, Germany
- Center for Stroke Research Berlin, Charité–Universitätsmedizin Berlin, Berlin, Germany
| | - Peter Ringleb
- Department of Neurology, Heidelberg University Hospital, Heidelberg, Germany
| | - Ioana Goganau
- Department of Neurology, Heidelberg University Hospital, Heidelberg, Germany
| | - Johannes Kaesmacher
- Institute of Diagnostic and Interventional Neuroradiology, Stroke Research Center Bern, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Hee-Joon Bae
- Department of Neurology, Cerebrovascular Disease Center, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam-si, South Korea
| | - Do Yeon Kim
- Department of Neurology, Cerebrovascular Disease Center, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam-si, South Korea
| | - Pawel Kermer
- Department of Neurology, Friesland Kliniken, Sande, Germany
- Department of Neurology, University Medicine Göttingen, Göttingen, Germany
| | - Kentaro Suzuki
- Department of Neurology, Nippon Medical School, Tokyo, Japan
| | - Kazumi Kimura
- Department of Neurology, Nippon Medical School, Tokyo, Japan
| | - Kosmas Macha
- Department of Neurology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Masatoshi Koga
- Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Shinichi Wada
- Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Valerian Altersberger
- Stroke Center, Department of Neurology, University Hospital Basel, Basel, Switzerland
| | - Alexander Salerno
- Stroke Center, Neurology Service, Department of Clinical Neurosciences, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | | | - Andrea Zini
- IRCCS Istituto Delle Scienze Neurologiche Di Bologna, Department of Neurology and Stroke Center, Maggiore Hospital, Bologna, Italy
| | - Stefano Forlivesi
- IRCCS Istituto Delle Scienze Neurologiche Di Bologna, Department of Neurology and Stroke Center, Maggiore Hospital, Bologna, Italy
| | - Lars Kellert
- Department of Neurology, University Hospital, LMU Munich, Munich, Germany
| | - Johannes Wischmann
- Department of Neurology, University Hospital, LMU Munich, Munich, Germany
| | - Espen S. Kristoffersen
- Department of Neurology, Akershus University Hospital, Lørenskog, Norway
- Department of General Practice, Institute of Health and Society (HELSAM), University of Oslo, Oslo, Norway
| | - James Beharry
- Department of Medicine and Neurology, Melbourne Brain Centre at The Royal Melbourne Hospital, University of Melbourne, Parkville, Australia
| | - P. Alan Barber
- Department of Medicine, Auckland University, Auckland, New Zealand
| | - Jae Beom Hong
- Department of Medicine, Auckland University, Auckland, New Zealand
| | - Carlo Cereda
- Stroke Center and Department of Neurology, Neurocenter of Southern Switzerland, Lugano, Switzerland
| | - Eckhard Schlemm
- Klinik und Poliklinik Für Neurologie, Kopf, und Neurozentrum, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany
| | - Yusuke Yakushiji
- Department of Neurology Kansai Medical University, Hirakata, Japan
| | - Sven Poli
- Department of Neurology and Stroke, University of Tübingen, Tübingen, Germany
- Hertie-Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
| | - Ronen Leker
- Department of Neurology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Michele Romoli
- Neurology and Stroke Unit, Department of Neuroscience, Bufalini Hospital, Cesena, Italy
| | - Marialuisa Zedde
- Neurology Unit, Stroke Unit, Azienda Unità Sanitaria Locale-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Sami Curtze
- Neurology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Benno Ikenberg
- Department of Neurology, School of Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Timo Uphaus
- Department of Neurology, University Medical Center of the Johannes Gutenberg University Mainz, Germany
| | - David Giannandrea
- Division of Neurology and Stroke Unit, Department of Neurology, Gubbio and Città di Castello Hospital, Perugia, Italy
| | - Pere Cardona Portela
- Department of Neurology, Stroke Unit, Hospital Universitari Bellvitge, Barcelona, Spain
| | - Roland Veltkamp
- Department of Neurology, Heidelberg University Hospital, Heidelberg, Germany
- Klinik für Neurologie, Alfried Krupp Krankenhaus, Essen, Germany
- Department of Brain Sciences, Imperial College London, London, United Kingdom
| | - Annemarei Ranta
- Department of Medicine, University of Otago, Wellington, New Zealand
- Department of Neurology, Capital and Coast District Health Board, Wellington, New Zealand
| | - Marcel Arnold
- Stroke Research Center Bern, Department of Neurology, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Urs Fischer
- Stroke Research Center Bern, Department of Neurology, Inselspital, Bern University Hospital, University of Bern, Switzerland
- Stroke Center, Department of Neurology, University Hospital Basel, Basel, Switzerland
| | - Jae-Kwan Cha
- Department of Neurology, Dong-A University Hospital, Busan, South Korea
| | - Teddy Y. Wu
- Department of Neurology, Christchurch Hospital, Christchurch, New Zealand
- New Zealand Brain Research Institute, Christchurch, New Zealand
| | - Jan C. Purrucker
- Department of Neurology, Heidelberg University Hospital, Heidelberg, Germany
| | - David J. Seiffge
- Stroke Research Center Bern, Department of Neurology, Inselspital, Bern University Hospital, University of Bern, Switzerland
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Goganau I, Sandner B, Weidner N, Fouad K, Blesch A. Depolarization and electrical stimulation enhance in vitro and in vivo sensory axon growth after spinal cord injury. Exp Neurol 2017; 300:247-258. [PMID: 29183676 DOI: 10.1016/j.expneurol.2017.11.011] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 11/20/2017] [Accepted: 11/23/2017] [Indexed: 11/28/2022]
Abstract
Activity dependent plasticity is a key mechanism for the central nervous system (CNS) to adapt to its environment. Whether neuronal activity also influences axonal regeneration in the injured CNS, and whether electrical stimulation (ES) can activate regenerative programs in the injured CNS remains incompletely understood. Using KCl-induced depolarization, in vivo ES followed by ex-vivo neurite growth assays and ES after spinal cord lesions and cell grafting, we aimed to identify parameters important for ES-enhanced neurite growth and axonal regeneration. Using cultures of sensory neurons, neurite growth was analyzed after KCl-induced depolarization for 1-72h. Increased neurite growth was detected after short-term stimulation and after longer stimulation if a sufficient delay between stimulation and growth measurements was provided. After in vivo ES (20Hz, 2× motor threshold, 0.2ms, 1h) of the intact sciatic nerve in adult Fischer344 rats, sensory neurons showed a 2-fold increase in in vitro neurite length one week later compared to sham animals, an effect not observed one day after ES. Longer ES (7h) and repeated ES (7days, 1h each) also increased growth by 56-67% one week later, but provided no additional benefit. In vivo growth of dorsal column sensory axons into a graft of bone marrow stromal cells 4weeks after a cervical spinal cord lesion was also enhanced with a single post-injury 1h ES of the intact sciatic nerve and was also observed after repeated ES without inducing pain-like behavior. While ES did not result in sensory functional recovery, our data indicate that ES has time-dependent influences on the regenerative capacity of sensory neurons and might further enhance axonal regeneration in combinatorial approaches after SCI.
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Affiliation(s)
- Ioana Goganau
- Spinal Cord Injury Center, Heidelberg University Hospital, Schlierbacher Landstr. 200A, 69118 Heidelberg, Germany
| | - Beatrice Sandner
- Spinal Cord Injury Center, Heidelberg University Hospital, Schlierbacher Landstr. 200A, 69118 Heidelberg, Germany
| | - Norbert Weidner
- Spinal Cord Injury Center, Heidelberg University Hospital, Schlierbacher Landstr. 200A, 69118 Heidelberg, Germany
| | - Karim Fouad
- Neuroscience and Mental Health Institute, Faculty of Medicine and Dentistry and Department of Physical Therapy, Faculty of Rehabilitation Medicine, University of Alberta, 3-87 Corbett Hall, Edmonton, Alberta T6G 2G4, Canada
| | - Armin Blesch
- Spinal Cord Injury Center, Heidelberg University Hospital, Schlierbacher Landstr. 200A, 69118 Heidelberg, Germany; Stark Neurosciences Research Institute, Indiana University School of Medicine, Dept. of Neurological Surgery and Goodman Campbell Brain and Spine, 320 West 15th St., Indianapolis, IN 46202, USA.
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Bucur O, Stancu AL, Goganau I, Petrescu SM, Pennarun B, Bertomeu T, Dewar R, Khosravi-Far R. Combination of bortezomib and mitotic inhibitors down-modulate Bcr-Abl and efficiently eliminates tyrosine-kinase inhibitor sensitive and resistant Bcr-Abl-positive leukemic cells. PLoS One 2013; 8:e77390. [PMID: 24155950 PMCID: PMC3796452 DOI: 10.1371/journal.pone.0077390] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2013] [Accepted: 09/06/2013] [Indexed: 12/17/2022] Open
Abstract
Emergence of resistance to Tyrosine-Kinase Inhibitors (TKIs), such as imatinib, dasatinib and nilotinib, in Chronic Myelogenous Leukemia (CML) demands new therapeutic strategies. We and others have previously established bortezomib, a selective proteasome inhibitor, as an important potential treatment in CML. Here we show that the combined regimens of bortezomib with mitotic inhibitors, such as the microtubule-stabilizing agent Paclitaxel and the PLK1 inhibitor BI2536, efficiently kill TKIs-resistant and -sensitive Bcr-Abl-positive leukemic cells. Combined treatment activates caspases 8, 9 and 3, which correlate with caspase-induced PARP cleavage. These effects are associated with a marked increase in activation of the stress-related MAP kinases p38MAPK and JNK. Interestingly, combined treatment induces a marked decrease in the total and phosphorylated Bcr-Abl protein levels, and inhibits signaling pathways downstream of Bcr-Abl: downregulation of STAT3 and STAT5 phosphorylation and/or total levels and a decrease in phosphorylation of the Bcr-Abl-associated proteins CrkL and Lyn. Moreover, we found that other mitotic inhibitors (Vincristine and Docetaxel), in combination with bortezomib, also suppress the Bcr-Abl-induced pro-survival signals and result in caspase 3 activation. These results open novel possibilities for the treatment of Bcr-Abl-positive leukemias, especially in the imatinib, dasatinib and nilotinib-resistant CML cases.
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Affiliation(s)
- Octavian Bucur
- Department of Pathology, Harvard Medical School and Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States of America
- Institute of Biochemistry of the Romanian Academy, Bucharest, Romania
| | - Andreea Lucia Stancu
- Department of Pathology, Harvard Medical School and Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States of America
- Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Ioana Goganau
- Department of Pathology, Harvard Medical School and Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States of America
- Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | | | - Bodvael Pennarun
- Department of Pathology, Harvard Medical School and Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States of America
| | - Thierry Bertomeu
- Department of Pathology, Harvard Medical School and Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States of America
| | - Rajan Dewar
- Department of Pathology, Harvard Medical School and Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States of America
| | - Roya Khosravi-Far
- Department of Pathology, Harvard Medical School and Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States of America
- Biological and Biomedical Sciences Program, Harvard Medical School, Boston, Massachusetts, United States of America;
- * E-mail:
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