Mizoribine serum levels associated with enterotoxicity in the dog

To prevent or minimize mizoribine enterotoxicity in organ transplant recipients and to differentiate mizoribine enterotoxicity from other causes of enteritis, serum levels of mizoribine that produced subclinical and clinical signs of enterotoxicity were determined in the dog. When mizoribine was adm...

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Veröffentlicht in:Transplantation 1991-04, Vol.51 (4), p.877-881
Hauptverfasser: GREGORY, C. R, GOURLEY, I. M, CAIN, G. R, PATZ, J. D, IMONDI, K. A, MARTIN, J. A
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container_end_page 881
container_issue 4
container_start_page 877
container_title Transplantation
container_volume 51
creator GREGORY, C. R
GOURLEY, I. M
CAIN, G. R
PATZ, J. D
IMONDI, K. A
MARTIN, J. A
description To prevent or minimize mizoribine enterotoxicity in organ transplant recipients and to differentiate mizoribine enterotoxicity from other causes of enteritis, serum levels of mizoribine that produced subclinical and clinical signs of enterotoxicity were determined in the dog. When mizoribine was administered orally at 12-hr intervals, half the dogs studied showed clinical evidence of gastrointestinal disturbances (vomiting, diarrhea, and anorexia) without histopathologic signs of enterotoxicity. Using a 24-hr oral-dose schedule, clinical signs of gastrointestinal disturbances and histopathologic evidence (mucosal degeneration, crypt degeneration, and necrosis) of enterotoxicity were encountered when the mean 12-hr mizoribine serum level was 0.97 +/- 0.4 microgram/ml or greater. Histopathologic signs of enterotoxicity with repeated positive fecal occult blood assays and without clinical signs of gastrointestinal disturbances occurred when the mean 12-hr serum level was 0.53 +/- 0.17 microgram/ml or greater. Oral administration of cyclosporine did not exacerbate mizoribine enterotoxicity in the dog when administered with mizoribine at a dose that produced histopathologic signs of enterotoxicity.
doi_str_mv 10.1097/00007890-199104000-00027
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Using a 24-hr oral-dose schedule, clinical signs of gastrointestinal disturbances and histopathologic evidence (mucosal degeneration, crypt degeneration, and necrosis) of enterotoxicity were encountered when the mean 12-hr mizoribine serum level was 0.97 +/- 0.4 microgram/ml or greater. Histopathologic signs of enterotoxicity with repeated positive fecal occult blood assays and without clinical signs of gastrointestinal disturbances occurred when the mean 12-hr serum level was 0.53 +/- 0.17 microgram/ml or greater. Oral administration of cyclosporine did not exacerbate mizoribine enterotoxicity in the dog when administered with mizoribine at a dose that produced histopathologic signs of enterotoxicity.</description><identifier>ISSN: 0041-1337</identifier><identifier>EISSN: 1534-6080</identifier><identifier>DOI: 10.1097/00007890-199104000-00027</identifier><identifier>PMID: 2014547</identifier><identifier>CODEN: TRPLAU</identifier><language>eng</language><publisher>Hagerstown, MD: Lippincott</publisher><subject>Animals ; Biological and medical sciences ; Cyclosporins - administration &amp; dosage ; Cyclosporins - pharmacology ; Dogs ; Drug Synergism ; Drug toxicity and drugs side effects treatment ; Enteritis - chemically induced ; Female ; Graft Survival ; Immunosuppressive Agents - toxicity ; Intestines - drug effects ; Kidney Transplantation - immunology ; Kidney Transplantation - physiology ; Medical sciences ; Pharmacology. 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Using a 24-hr oral-dose schedule, clinical signs of gastrointestinal disturbances and histopathologic evidence (mucosal degeneration, crypt degeneration, and necrosis) of enterotoxicity were encountered when the mean 12-hr mizoribine serum level was 0.97 +/- 0.4 microgram/ml or greater. Histopathologic signs of enterotoxicity with repeated positive fecal occult blood assays and without clinical signs of gastrointestinal disturbances occurred when the mean 12-hr serum level was 0.53 +/- 0.17 microgram/ml or greater. Oral administration of cyclosporine did not exacerbate mizoribine enterotoxicity in the dog when administered with mizoribine at a dose that produced histopathologic signs of enterotoxicity.</description><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Cyclosporins - administration &amp; dosage</subject><subject>Cyclosporins - pharmacology</subject><subject>Dogs</subject><subject>Drug Synergism</subject><subject>Drug toxicity and drugs side effects treatment</subject><subject>Enteritis - chemically induced</subject><subject>Female</subject><subject>Graft Survival</subject><subject>Immunosuppressive Agents - toxicity</subject><subject>Intestines - drug effects</subject><subject>Kidney Transplantation - immunology</subject><subject>Kidney Transplantation - physiology</subject><subject>Medical sciences</subject><subject>Pharmacology. Drug treatments</subject><subject>Ribonucleosides - blood</subject><subject>Ribonucleosides - toxicity</subject><subject>Toxicity: digestive system</subject><subject>Transplantation, Homologous</subject><issn>0041-1337</issn><issn>1534-6080</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1991</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkMtOwzAQRS0EKqXwCUjesDSM6zi2l1XFSypiA-vIsSfUKE0qO-X19Rhaykij0cydexeHEMrhkoNRV5BLaQOMG8OhyBvLPVUHZMylKFgJGg7JGKDgjAuhjslJSq_5RQqlRmQ0BV7IQo3J7CF89THUoUOaMG5WtMU3bBO1KfUu2AE9fQ_DkmI3YOyH_iO4MHzS0NFhidT3L6fkqLFtwrPdnJDnm-un-R1bPN7ez2cL5oSBgbkGOXKrwANo1LX3VjWlVlyWqK2vpTONUF47XxrTGK9qIRB0vks3lc6JCdHbXBf7lCI21TqGlY2fFYfqB0r1B6XaQ6l-oWTr-da63tQr9HvjjkLWL3a6Tc62TbSdC-k_3yhpcrL4BgNQaxI</recordid><startdate>19910401</startdate><enddate>19910401</enddate><creator>GREGORY, C. R</creator><creator>GOURLEY, I. M</creator><creator>CAIN, G. R</creator><creator>PATZ, J. D</creator><creator>IMONDI, K. 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ispartof Transplantation, 1991-04, Vol.51 (4), p.877-881
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source MEDLINE; Journals@Ovid Complete
subjects Animals
Biological and medical sciences
Cyclosporins - administration & dosage
Cyclosporins - pharmacology
Dogs
Drug Synergism
Drug toxicity and drugs side effects treatment
Enteritis - chemically induced
Female
Graft Survival
Immunosuppressive Agents - toxicity
Intestines - drug effects
Kidney Transplantation - immunology
Kidney Transplantation - physiology
Medical sciences
Pharmacology. Drug treatments
Ribonucleosides - blood
Ribonucleosides - toxicity
Toxicity: digestive system
Transplantation, Homologous
title Mizoribine serum levels associated with enterotoxicity in the dog
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