Safety and tolerability of NXY-059 for acute intracerebral hemorrhage : The CHANT trial

NXY-059 is a free radical-trapping neuroprotectant developed for use in acute ischemic stroke. To facilitate prompt administration of treatment, potentially before neuroimaging, we investigated the safety of NXY-059 in patients with intracerebral hemorrhage (ICH). We randomized 607 patients within 6...

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Veröffentlicht in:Stroke (1970) 2007-08, Vol.38 (8), p.2262-2269
Hauptverfasser: LYDEN, Patrick D, SHUAIB, Ashfaq, RODICHOK, Larry, WASIEWSKI, Warren W, AHLBERG, Gabrielle, LEES, Kennedy R, DAVALOS, Antoni, DAVIS, Stephen M, DIENER, Hans-Christoph, GROTTA, James C, ASHWOOD, Tim J, HARDEMARK, Hans-Goren, SVENSSON, Hannah H
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container_end_page 2269
container_issue 8
container_start_page 2262
container_title Stroke (1970)
container_volume 38
creator LYDEN, Patrick D
SHUAIB, Ashfaq
RODICHOK, Larry
WASIEWSKI, Warren W
AHLBERG, Gabrielle
LEES, Kennedy R
DAVALOS, Antoni
DAVIS, Stephen M
DIENER, Hans-Christoph
GROTTA, James C
ASHWOOD, Tim J
HARDEMARK, Hans-Goren
SVENSSON, Hannah H
description NXY-059 is a free radical-trapping neuroprotectant developed for use in acute ischemic stroke. To facilitate prompt administration of treatment, potentially before neuroimaging, we investigated the safety of NXY-059 in patients with intracerebral hemorrhage (ICH). We randomized 607 patients within 6 hours of acute ICH to receive 2270 mg intravenous NXY-059 over 1 hour and then up to 960 mg/h over 71 hours, or matching placebo, in addition to standard care. The primary outcome was safety: the mortality and the frequency of adverse events, and the change from baseline for a variety of serum, imaging, and electrophysiological measurements. We also studied the overall distribution of disability scores on the modified Rankin Scale (mRS) and the Barthel index. We treated 300 patients with NXY-059 and 303 with placebo. Treatment groups were well matched for prognostic variables including Glasgow Coma Scale, risk factors, and age. The mean National Institute of Health Stroke Scale score on admission was 14 in both groups. The baseline hemorrhage volume was 22.4+/-20.1 mL in the NXY-059 group and 23.3+/-22.8 mL in the placebo group (mean+/-SD). Most hemorrhages were related to hypertension or anticoagulant use. Mortality was similar in both groups: 20.3% for NXY-059 and 19.8% for placebo-treated patients. The proportion of patients who experienced an adverse event was the same for both groups, whereas for serious adverse events the proportion was slightly higher in the NXY-059 group. However, no pattern emerged to indicate a safety concern. Serum potassium fell transiently in both groups, lower in the NXY-059 group. There were no differences in 3-month function, disability, or neurological deficit scores. The odds ratio for an improved outcome in 3-month mRS scores in the NXY-059 group was 1.01 (95% CI 0.75, 1.35). NXY-059 given within 6 hours of acute ICH has a good safety and tolerability profile, with no adverse effect on important clinical outcomes.
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To facilitate prompt administration of treatment, potentially before neuroimaging, we investigated the safety of NXY-059 in patients with intracerebral hemorrhage (ICH). We randomized 607 patients within 6 hours of acute ICH to receive 2270 mg intravenous NXY-059 over 1 hour and then up to 960 mg/h over 71 hours, or matching placebo, in addition to standard care. The primary outcome was safety: the mortality and the frequency of adverse events, and the change from baseline for a variety of serum, imaging, and electrophysiological measurements. We also studied the overall distribution of disability scores on the modified Rankin Scale (mRS) and the Barthel index. We treated 300 patients with NXY-059 and 303 with placebo. Treatment groups were well matched for prognostic variables including Glasgow Coma Scale, risk factors, and age. The mean National Institute of Health Stroke Scale score on admission was 14 in both groups. The baseline hemorrhage volume was 22.4+/-20.1 mL in the NXY-059 group and 23.3+/-22.8 mL in the placebo group (mean+/-SD). Most hemorrhages were related to hypertension or anticoagulant use. Mortality was similar in both groups: 20.3% for NXY-059 and 19.8% for placebo-treated patients. The proportion of patients who experienced an adverse event was the same for both groups, whereas for serious adverse events the proportion was slightly higher in the NXY-059 group. However, no pattern emerged to indicate a safety concern. Serum potassium fell transiently in both groups, lower in the NXY-059 group. There were no differences in 3-month function, disability, or neurological deficit scores. The odds ratio for an improved outcome in 3-month mRS scores in the NXY-059 group was 1.01 (95% CI 0.75, 1.35). NXY-059 given within 6 hours of acute ICH has a good safety and tolerability profile, with no adverse effect on important clinical outcomes.</description><identifier>ISSN: 0039-2499</identifier><identifier>EISSN: 1524-4628</identifier><identifier>DOI: 10.1161/STROKEAHA.106.472746</identifier><identifier>PMID: 17569876</identifier><identifier>CODEN: SJCCA7</identifier><language>eng</language><publisher>Hagerstown, MD: Lippincott Williams &amp; Wilkins</publisher><subject>Acute Disease - therapy ; Adult ; Aged ; Aged, 80 and over ; Antioxidants - administration &amp; dosage ; Antioxidants - adverse effects ; Benzenesulfonates - administration &amp; dosage ; Benzenesulfonates - adverse effects ; Biological and medical sciences ; Brain - blood supply ; Brain - drug effects ; Brain - pathology ; Cardiovascular system ; Cerebral Arteries - pathology ; Cerebral Arteries - physiopathology ; Cerebral Hemorrhage - drug therapy ; Disability Evaluation ; Double-Blind Method ; Down-Regulation - drug effects ; Down-Regulation - physiology ; Drug Administration Schedule ; Female ; Humans ; Injections, Intravenous ; Male ; Medical sciences ; Middle Aged ; Neurology ; Neuropharmacology ; Neuroprotective agent ; Pharmacology. Drug treatments ; Placebos ; Potassium - blood ; Time Factors ; Treatment Outcome ; Vascular diseases and vascular malformations of the nervous system ; Vasodilator agents. 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To facilitate prompt administration of treatment, potentially before neuroimaging, we investigated the safety of NXY-059 in patients with intracerebral hemorrhage (ICH). We randomized 607 patients within 6 hours of acute ICH to receive 2270 mg intravenous NXY-059 over 1 hour and then up to 960 mg/h over 71 hours, or matching placebo, in addition to standard care. The primary outcome was safety: the mortality and the frequency of adverse events, and the change from baseline for a variety of serum, imaging, and electrophysiological measurements. We also studied the overall distribution of disability scores on the modified Rankin Scale (mRS) and the Barthel index. We treated 300 patients with NXY-059 and 303 with placebo. Treatment groups were well matched for prognostic variables including Glasgow Coma Scale, risk factors, and age. The mean National Institute of Health Stroke Scale score on admission was 14 in both groups. The baseline hemorrhage volume was 22.4+/-20.1 mL in the NXY-059 group and 23.3+/-22.8 mL in the placebo group (mean+/-SD). Most hemorrhages were related to hypertension or anticoagulant use. Mortality was similar in both groups: 20.3% for NXY-059 and 19.8% for placebo-treated patients. The proportion of patients who experienced an adverse event was the same for both groups, whereas for serious adverse events the proportion was slightly higher in the NXY-059 group. However, no pattern emerged to indicate a safety concern. Serum potassium fell transiently in both groups, lower in the NXY-059 group. There were no differences in 3-month function, disability, or neurological deficit scores. The odds ratio for an improved outcome in 3-month mRS scores in the NXY-059 group was 1.01 (95% CI 0.75, 1.35). NXY-059 given within 6 hours of acute ICH has a good safety and tolerability profile, with no adverse effect on important clinical outcomes.</description><subject>Acute Disease - therapy</subject><subject>Adult</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Antioxidants - administration &amp; dosage</subject><subject>Antioxidants - adverse effects</subject><subject>Benzenesulfonates - administration &amp; dosage</subject><subject>Benzenesulfonates - adverse effects</subject><subject>Biological and medical sciences</subject><subject>Brain - blood supply</subject><subject>Brain - drug effects</subject><subject>Brain - pathology</subject><subject>Cardiovascular system</subject><subject>Cerebral Arteries - pathology</subject><subject>Cerebral Arteries - physiopathology</subject><subject>Cerebral Hemorrhage - drug therapy</subject><subject>Disability Evaluation</subject><subject>Double-Blind Method</subject><subject>Down-Regulation - drug effects</subject><subject>Down-Regulation - physiology</subject><subject>Drug Administration Schedule</subject><subject>Female</subject><subject>Humans</subject><subject>Injections, Intravenous</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Neurology</subject><subject>Neuropharmacology</subject><subject>Neuroprotective agent</subject><subject>Pharmacology. Drug treatments</subject><subject>Placebos</subject><subject>Potassium - blood</subject><subject>Time Factors</subject><subject>Treatment Outcome</subject><subject>Vascular diseases and vascular malformations of the nervous system</subject><subject>Vasodilator agents. Cerebral vasodilators</subject><issn>0039-2499</issn><issn>1524-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkMFLwzAUh4Mobk7_A5FcPLYmaZo03sqYThwbuIp6Kmn6nqt060i7w_57Kxvu9ODH973DR8gtZyHnij8ss7fF6ySdpiFnKpRaaKnOyJDHQgZSieScDBmLTCCkMQNy1bY_jDERJfElGXAdK5NoNSQfS4vQ7andlLRravC2qOqqHxqk88-vgMWGYuOpdbsOaLXpvHXgofC2pitYN96v7DfQR5qtgI6n6Tyjna9sfU0u0NYt3BzviLw_TbLxNJgtnl_G6SxwkWBdoAGRg4SSFwmiK6EoBehEO8cjB0Y7tCXEsVCGo5WoDCphYuSF5EYIp6MRkYe_zjdt6wHzra_W1u9zzvK_Tvl_p35R-aFTr90dtO2uWEN5ko5heuD-CNjW2Rq93biqPXGJ0SrRIvoFdYNxsA</recordid><startdate>20070801</startdate><enddate>20070801</enddate><creator>LYDEN, Patrick D</creator><creator>SHUAIB, Ashfaq</creator><creator>RODICHOK, Larry</creator><creator>WASIEWSKI, Warren W</creator><creator>AHLBERG, Gabrielle</creator><creator>LEES, Kennedy R</creator><creator>DAVALOS, Antoni</creator><creator>DAVIS, Stephen M</creator><creator>DIENER, Hans-Christoph</creator><creator>GROTTA, James C</creator><creator>ASHWOOD, Tim J</creator><creator>HARDEMARK, Hans-Goren</creator><creator>SVENSSON, Hannah H</creator><general>Lippincott Williams &amp; Wilkins</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20070801</creationdate><title>Safety and tolerability of NXY-059 for acute intracerebral hemorrhage : The CHANT trial</title><author>LYDEN, Patrick D ; SHUAIB, Ashfaq ; RODICHOK, Larry ; WASIEWSKI, Warren W ; AHLBERG, Gabrielle ; LEES, Kennedy R ; DAVALOS, Antoni ; DAVIS, Stephen M ; DIENER, Hans-Christoph ; GROTTA, James C ; ASHWOOD, Tim J ; HARDEMARK, Hans-Goren ; SVENSSON, Hannah H</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c320t-7eff1e4ed1b8ffcdebd2e787cc13ce97cfade552691fa4f69f6295f1b41922c73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Acute Disease - therapy</topic><topic>Adult</topic><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Antioxidants - administration &amp; dosage</topic><topic>Antioxidants - adverse effects</topic><topic>Benzenesulfonates - administration &amp; dosage</topic><topic>Benzenesulfonates - adverse effects</topic><topic>Biological and medical sciences</topic><topic>Brain - blood supply</topic><topic>Brain - drug effects</topic><topic>Brain - pathology</topic><topic>Cardiovascular system</topic><topic>Cerebral Arteries - pathology</topic><topic>Cerebral Arteries - physiopathology</topic><topic>Cerebral Hemorrhage - drug therapy</topic><topic>Disability Evaluation</topic><topic>Double-Blind Method</topic><topic>Down-Regulation - drug effects</topic><topic>Down-Regulation - physiology</topic><topic>Drug Administration Schedule</topic><topic>Female</topic><topic>Humans</topic><topic>Injections, Intravenous</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Neurology</topic><topic>Neuropharmacology</topic><topic>Neuroprotective agent</topic><topic>Pharmacology. Drug treatments</topic><topic>Placebos</topic><topic>Potassium - blood</topic><topic>Time Factors</topic><topic>Treatment Outcome</topic><topic>Vascular diseases and vascular malformations of the nervous system</topic><topic>Vasodilator agents. Cerebral vasodilators</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>LYDEN, Patrick D</creatorcontrib><creatorcontrib>SHUAIB, Ashfaq</creatorcontrib><creatorcontrib>RODICHOK, Larry</creatorcontrib><creatorcontrib>WASIEWSKI, Warren W</creatorcontrib><creatorcontrib>AHLBERG, Gabrielle</creatorcontrib><creatorcontrib>LEES, Kennedy R</creatorcontrib><creatorcontrib>DAVALOS, Antoni</creatorcontrib><creatorcontrib>DAVIS, Stephen M</creatorcontrib><creatorcontrib>DIENER, Hans-Christoph</creatorcontrib><creatorcontrib>GROTTA, James C</creatorcontrib><creatorcontrib>ASHWOOD, Tim J</creatorcontrib><creatorcontrib>HARDEMARK, Hans-Goren</creatorcontrib><creatorcontrib>SVENSSON, Hannah H</creatorcontrib><creatorcontrib>CHANT Trial Investigators</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><jtitle>Stroke (1970)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>LYDEN, Patrick D</au><au>SHUAIB, Ashfaq</au><au>RODICHOK, Larry</au><au>WASIEWSKI, Warren W</au><au>AHLBERG, Gabrielle</au><au>LEES, Kennedy R</au><au>DAVALOS, Antoni</au><au>DAVIS, Stephen M</au><au>DIENER, Hans-Christoph</au><au>GROTTA, James C</au><au>ASHWOOD, Tim J</au><au>HARDEMARK, Hans-Goren</au><au>SVENSSON, Hannah H</au><aucorp>CHANT Trial Investigators</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Safety and tolerability of NXY-059 for acute intracerebral hemorrhage : The CHANT trial</atitle><jtitle>Stroke (1970)</jtitle><addtitle>Stroke</addtitle><date>2007-08-01</date><risdate>2007</risdate><volume>38</volume><issue>8</issue><spage>2262</spage><epage>2269</epage><pages>2262-2269</pages><issn>0039-2499</issn><eissn>1524-4628</eissn><coden>SJCCA7</coden><abstract>NXY-059 is a free radical-trapping neuroprotectant developed for use in acute ischemic stroke. To facilitate prompt administration of treatment, potentially before neuroimaging, we investigated the safety of NXY-059 in patients with intracerebral hemorrhage (ICH). We randomized 607 patients within 6 hours of acute ICH to receive 2270 mg intravenous NXY-059 over 1 hour and then up to 960 mg/h over 71 hours, or matching placebo, in addition to standard care. The primary outcome was safety: the mortality and the frequency of adverse events, and the change from baseline for a variety of serum, imaging, and electrophysiological measurements. We also studied the overall distribution of disability scores on the modified Rankin Scale (mRS) and the Barthel index. We treated 300 patients with NXY-059 and 303 with placebo. Treatment groups were well matched for prognostic variables including Glasgow Coma Scale, risk factors, and age. The mean National Institute of Health Stroke Scale score on admission was 14 in both groups. The baseline hemorrhage volume was 22.4+/-20.1 mL in the NXY-059 group and 23.3+/-22.8 mL in the placebo group (mean+/-SD). Most hemorrhages were related to hypertension or anticoagulant use. Mortality was similar in both groups: 20.3% for NXY-059 and 19.8% for placebo-treated patients. The proportion of patients who experienced an adverse event was the same for both groups, whereas for serious adverse events the proportion was slightly higher in the NXY-059 group. However, no pattern emerged to indicate a safety concern. Serum potassium fell transiently in both groups, lower in the NXY-059 group. There were no differences in 3-month function, disability, or neurological deficit scores. The odds ratio for an improved outcome in 3-month mRS scores in the NXY-059 group was 1.01 (95% CI 0.75, 1.35). NXY-059 given within 6 hours of acute ICH has a good safety and tolerability profile, with no adverse effect on important clinical outcomes.</abstract><cop>Hagerstown, MD</cop><pub>Lippincott Williams &amp; Wilkins</pub><pmid>17569876</pmid><doi>10.1161/STROKEAHA.106.472746</doi><tpages>8</tpages></addata></record>
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source MEDLINE; American Heart Association Journals; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection; Journals@Ovid Complete
subjects Acute Disease - therapy
Adult
Aged
Aged, 80 and over
Antioxidants - administration & dosage
Antioxidants - adverse effects
Benzenesulfonates - administration & dosage
Benzenesulfonates - adverse effects
Biological and medical sciences
Brain - blood supply
Brain - drug effects
Brain - pathology
Cardiovascular system
Cerebral Arteries - pathology
Cerebral Arteries - physiopathology
Cerebral Hemorrhage - drug therapy
Disability Evaluation
Double-Blind Method
Down-Regulation - drug effects
Down-Regulation - physiology
Drug Administration Schedule
Female
Humans
Injections, Intravenous
Male
Medical sciences
Middle Aged
Neurology
Neuropharmacology
Neuroprotective agent
Pharmacology. Drug treatments
Placebos
Potassium - blood
Time Factors
Treatment Outcome
Vascular diseases and vascular malformations of the nervous system
Vasodilator agents. Cerebral vasodilators
title Safety and tolerability of NXY-059 for acute intracerebral hemorrhage : The CHANT trial
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