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Pilot Study of Zonisamide (1,2-Benzisoxazole-3-methanesulfonamide) in Patients with Refractory Partial Seizures

dc.contributor.authorSackellares, J. Chrisen_US
dc.contributor.authorDonofrio, Peter D.en_US
dc.contributor.authorWagner, John G.en_US
dc.contributor.authorAbou-Khalil, Bassel W.en_US
dc.contributor.authorBerent, Stanleyen_US
dc.contributor.authorAasved-Hoyt, Kristineen_US
dc.date.accessioned2010-04-01T15:27:29Z
dc.date.available2010-04-01T15:27:29Z
dc.date.issued1985-06en_US
dc.identifier.citationSackellares, J. Chris; Donofrio, Peter D.; Wagner, John G.; Abou-Khalil, Bassel; Berent, Stanley; Aasved-Hoyt, Kristine (1985). "Pilot Study of Zonisamide (1,2-Benzisoxazole-3-methanesulfonamide) in Patients with Refractory Partial Seizures." Epilepsia 26(3): 206-211. <http://hdl.handle.net/2027.42/65938>en_US
dc.identifier.issn0013-9580en_US
dc.identifier.issn1528-1167en_US
dc.identifier.urihttps://hdl.handle.net/2027.42/65938
dc.identifier.urihttp://www.ncbi.nlm.nih.gov/sites/entrez?cmd=retrieve&db=pubmed&list_uids=3924586&dopt=citationen_US
dc.description.abstractA new anticonvulsant compound, zonisamide (1,2 benzioxazole-methanesulfonamide), was studied in 10 adults with medically refractory partial seizures. Following a single oral dose of 400 mg, peak plasma levels occurred an average of 2.8 h after dosing, and the mean clearance from plasma was 2.34 L/h. Whole blood concentrations were high than plasma concentrations because of red blood cell binding. steady-state plasma concentrations were high than predicted from a linear kinetic model. In most patients, seizure frequency was reduced after zonisamide was substituted for a standard antiepileptic drug. Dose-related reversible side effects in the central nervous and gastrointestinal system were observed. Most patients tolerated doses between 5.2 and 12.5 mg/kg/day. RÉSUMÉ Un nouveau produit anticonvulsivant, le zonisamide (1,2 benziosoxazole-methylsulfonamide) a ÉtÉ administrÉÀ 10 adultes atteints de crises partielles non contrÔlÉes par le traitement mÉdical. AprÈs une dose unique orale de 400 mg, le pic du taux plasmatique survient en moyenne 2 h 1/2 aprÉs l'ingestion, et la clairance plasmatique moyenne est de 2,34 litres par heure. les concentrations sanguines totales sont plus ÉlevÉes que les concentrations plasmatiques, en raison de la liaison aux globules rouges, les concentrations plasmatiques À l'État d'equilibre sont plus ÉlevÉes que celles que l'on peut dÉdurie d'un modÈle de cinÉtique linÉaire. Chez la plupart des patients, la frÉquence des crises a ÉtÉrÉduite par la substitution du zonisamide au traitement antiÉpileptique standard. Des effets secondaires doses-dÉpendants et rÉversibles ont ÉtÉ observÉs au niveau du systÈme nerveux central et du tube digestif. La plupart des patients ont tolÉrÉ des doses entre 5,2 et 12,5 mg/kg de poids par jour. RESUMEN En 10 adultos con ataques parciales refractarios a1 tratamiento mÉdico, se ha estudiado la acciÓn de un nuevo compuesto anticonvulsivo, la zonisamida (1,2 benzisoxazol-metanosulfonamida). Tras la ingestiÓn de una sola dosis oral de 400 mg., se alcanzaron los niveles pico en plasma en un promedio de 2.8 horas desputs de la dosis y el aclaramiento medio del plasma fuÉ de 2, 34 litros/hora. Las concentraciones en sangre fueron mÁs altas que las plasmÁticas debido a que la medicaciÓn se ligaba a los hematies. Las concentraciones plasmÁticas estables fueron mÁs altas que las previsibles de un modelo cinÉtico lineal. En la mayorÍa de los pacientes la frecuencia de los ataques se redujo despuÉs de cambiar la medicaciÓn antiepilÉptica standard por la zonisamida. TambiÉn se observaron los efectos colaterales sobre el tracto gastrointestinal y el sistema nervioso central que estaban relacionadas con la dosis y eran reversibles. La mayor parte de los pacientes tolerÓ dosis que oscilaban entre 5.2 y 12.5 mg/kg/dÍa. ZUSAMMENFASSUNG Ein neues Antikonvulsivum, Zonisamid (1,2 Benzisoxazol-Methansulfonamid) wurde bei 10 Envachsenen mit therapieresistenten PartialanfÄllen gesucht. Nach einer oralen Einzeldosis von 400 mg wurden Plasmaspitzenwerte im Durchschnitt nach 2, 8 Stunden erreicht. Die mittlere Clearance aus dem Plasma betrug 2, 34 L/Stunde. Ganzblutkonzentrationen waren hÖher als Plasmakonzentrationen aufgrund der Bindung an die roten BlutkÖrperchen. Die steady-state Plasmakonzentrationen waren hÖher als bei einem linearen kinetischen Modell zu envarten. Bei den meisten Patienten konnte die Anfallsfrequenz nach Substitution eines Standardantiepileptikums durch Zonisamid reduziert werden. Es bestanden dosisabhÄngige, reversible, zentral-nervÖse und gastrointestinale Nebenwirkungen. Die meisten Patienten tolerierten Dosen zwischen 5, 2 und 12, 5 mg/kg/Tag.en_US
dc.format.extent539424 bytes
dc.format.extent3110 bytes
dc.format.mimetypeapplication/pdf
dc.format.mimetypetext/plain
dc.publisherBlackwell Publishing Ltden_US
dc.rights1985 International League Against Epilepsyen_US
dc.subject.otherAD-810en_US
dc.subject.other1,2-Benzisoxazole-3-methanesulfonamideen_US
dc.subject.otherCI-912en_US
dc.subject.otherPartial Seizuresen_US
dc.subject.otherZonisamide.en_US
dc.titlePilot Study of Zonisamide (1,2-Benzisoxazole-3-methanesulfonamide) in Patients with Refractory Partial Seizuresen_US
dc.typeArticleen_US
dc.rights.robotsIndexNoFollowen_US
dc.subject.hlbsecondlevelMedicine (General)en_US
dc.subject.hlbtoplevelHealth Sciencesen_US
dc.description.peerreviewedPeer Revieweden_US
dc.contributor.affiliationumDepartment of Neurology and Psychiatry, University of Michigan Medical Center, Ann Arbor, Michigan, U.S.A.en_US
dc.contributor.affiliationum*Department of College of Pharmacy, University of Michigan Medical Center, Ann Arbor, Michigan, U.S.A.en_US
dc.contributor.affiliationum†Ann Arbor Veterans Administration Medical Center, Ann Arbor, Michigan, U.S.A.en_US
dc.identifier.pmid3924586en_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/65938/1/j.1528-1157.1985.tb05407.x.pdf
dc.identifier.doi10.1111/j.1528-1157.1985.tb05407.xen_US
dc.identifier.sourceEpilepsiaen_US
dc.identifier.citedreferenceDreifuss FE, Penry JK, Bancaud J., Henricksen O., Rubio-Donnadieu F., Seino M.. Proposal for revised clinical and electroencephalographic classification of epileptic seizures. Epilepsia 1981 ; 22 : 489 – 501.en_US
dc.identifier.citedreferenceIto T., Hori M., Masuda Y., Yoshida K., Shimizu M.. 3-Sulfamoylmethyl-1,2-benzisoxazole, a new type of anticonvulsant drug: electroencephalographic profile. Arzneimittelforsch 1980 ; 30 : 603 – 9.en_US
dc.identifier.citedreferenceIto T., Yamaguchi H., Miyazaki H., Sekine Y., Shimizu M., Ishida S., Yagi K., Kakegawa N., Seino M., Wada T.. Pharmacokinetic studies of AD-810, a new antiepileptic compound. Phase 1 trials. Arzneimittelforsch 1982 ; 32 : 1581 – 6.en_US
dc.identifier.citedreferenceKamei C., Oka M., Masuda YL Yoshida K., Shimizu M.. Effects of 3-sulfamoylmethyl-1,2-benzisoxazole (AD-810) and some antiepileptics on the kindled seizures in the neocortex, hippocampus and amygdala in rats. Arch Int Pharmacodyn Ther 1981 ; 249 : 164 – 76.en_US
dc.identifier.citedreferenceMasuda Y., Karasawa T., Shiraishi Y., Hori M., Yoshida K., Shimizu M.. 3-Sulfamoylmethyl-1,2-benzisoxazole, a new type of anticonvulsant drug. Arzneimittelforsch 1980 ; 30 : 477 – 83.en_US
dc.identifier.citedreferenceMasuda Y., Utsui Y., Shiraishi Y., Karasawa T., Yoshida K., Shimizu M.. Relationships between plasma concentrations of diphenylhydantoin, phenobarbital, carbamazepine, and 3-sulfamoylmethyl-1,2-benzisoxazole (AD-810), a new anticonvulsant agent, and their anticonvulsant or neurotoxic effects in experimental animals. Epilepsia 1979 ; 20 : 623 – 33.en_US
dc.identifier.citedreferenceWagner JG, Sackellares JC, Donofrio PD, Berent S., Samkar E.. Nonlinear pharmacokinetics of CI-912 in adult epileptic patients. Ther Drug Monit 1984 ; 6 : 277 – 83.en_US
dc.owningcollnameInterdisciplinary and Peer-Reviewed


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