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Friday, July 17, 2020 | History

2 edition of Assessment of clinical procedures to evaluate liver intoxication in fish found in the catalog.

Assessment of clinical procedures to evaluate liver intoxication in fish

William H. Gingerich

Assessment of clinical procedures to evaluate liver intoxication in fish

by William H. Gingerich

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  • 32 Currently reading

Published by Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, Available to the public through the National Technical Information Service in Duluth, Springfield, Va .
Written in English

    Subjects:
  • Fishes -- Effect of water pollution on -- United States.,
  • Rainbow trout.,
  • Liver -- Diseases.

  • Edition Notes

    StatementWilliam H. Gingerich and Lavern J. Weber.
    SeriesResearch reporting series -- EPA-600/3-79-088.
    ContributionsWeber, Lavern J., Environmental Research Laboratory (Duluth, Minn.). Physiological Effects of Pollution Section., Environmental Research Laboratory (Duluth, Minn.).
    The Physical Object
    Paginationxii, 106 p. :
    Number of Pages106
    ID Numbers
    Open LibraryOL17651644M

    Non-clinical drug safety evaluation, the assessment of the safety profile of therapeutic agents through the conduct of laboratory studies in in vitro systems and in animals, is an essential step in the progress of new pharmaceuticals heading toward the ultimate goal of clinical trials and, eventually, approval. COMMON TOXICITY CRITERIA MANUAL Common Toxicity Criteria, Version June 1, NCI CTEP Help Desk - Telephone: () Fax: ()

    An expanded set of clinical evaluations, performed inside and outside of the cage, should be carried out in short-term and subchronic toxicity studies in rodents and non-rodents, in one-year non. Estimating the human health impact of foodborne disease is a complex task; it requires data from many sources and relies on many assumptions. Using data from surveillance, surveys, and other sources, the US Centers for Disease Control and Prevention estimated that major known pathogens and unspecified agents transmitted by food result in an estimated million illnesses, ,

    Clinical pathology, traditionally comprising clinical chemistry, coagulation, hematology, and urinalysis evaluations, is established as an integral part of the preclinical safety assessment of test articles (new chemical entities, exploratory novel medicines, xenobiotics), especially in short- and medium-term toxicity .   Liver – specific surgical procedures. Transjugular Intrahepatic Portosystemic Shunt Procedure (TIPS) TIPS is a procedure used in patients with end stage liver disease to decrease portal pressure and attenuate complications related to portal hypertension. It is usually done in the interventional radiology suite.


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Assessment of clinical procedures to evaluate liver intoxication in fish by William H. Gingerich Download PDF EPUB FB2

Assessment of clinical procedures to evaluate liver intoxication in fish. Duluth: Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency ; Springfield, Va.: Available to the public through the National Technical Information Service, Liver Safety Data Management.

If a liver safety signal is suspected in a clinical trial, companies are now generally required to submit data to CDER in a format that can be readily analyzed by a software program created at CDER termed “evaluation of Drug Induced Serious Hepatotoxicity” or eDISH [].This software was developed after publication of the guidance and is therefore not Cited by:   This guidance is intended to assist the pharmaceutical industry and other investigators who are conducting new drug development in assessing the potential for a drug2 to cause severe liver.

REVIEW ARTICLE Liver Safety Assessment: Required Data Elements and Best Practices for Data Collection and Standardization in Clinical Trials Mark I. Avigan • Einar S. Bjornsson • Markku Pasanen • Charles Cooper • Raul J.

Andrade • Paul B. Watkins • James H. Introduction. A workshop jointly sponsored by the Hamner-University of North Carolina Institute for Drug Safety Sciences and the European Innovative Medicines Initiative on best practices for the assessment of drug-induced liver injury (DILI) in clinical trials was convened in Boston, Massachusetts on November 9, [].Achieving an accurate early assessment of risk surrounding.

A broad array of biochemical tests are used to assess the various functions of the liver and evaluate patients with suspected or established liver disease. Part of the Clinical Gastroenterology book series (CG) Friedman L.S.

() Assessment of Liver Function in Clinical Practice. In: Ginès P., Kamath P., Arroyo V. (eds) Chronic Liver Cited by: 2. histopathology and clinical pathology assessment of the liver, may yield a reliable prediction of the potential of candidate drugs to cause human liver toxicity in clinical trials (ICH M3(R2), ): non-clinical toxicity studies are designed to evaluate the potential hepatotoxicity as well as the toxicity to other target organs.

outlines the diagnosis and evaluation of cir-rhosis and chronic liver failure If clinical suspicion for liver disease is high, further serologic work-up is cation toxicity may occur in. Clinical Chemistry: The recommended number of animals and time intervals for clinical chemistry assessment are found in individual toxicity guidelines (see Chapter IV.C of "Redbook " and.

Results. In acute toxicity studies, oral LD50 of WSE in Wistar rats was greater than mg/kg body weight. Compared to the control group in sub-acute toxicity study, administration of extract did not show any toxicologically significant treatment related changes in clinical observations, ophthalmic examination, body weight gain, feed consumption, clinical pathology evaluation, and organ weight.

Although there are no controlled clinical trials examining the optimal approach for evaluating serum liver chemistries, the following guidelines were developed to assist the gastroenterologist and. Assessment of Liver Function and Diagnostic Studies Joseph Ahn, M.D., M.S.

• General Clinical Definitions – Acute liver disease: Liver disease of 8 weeks duration or less. Tests in the Evaluation of jaundice • Viral serologies • Drug/toxin/ETOH history • Ceruloplasmin.

Thus histopathological liver fibrosis assessment has become a tarnished “gold standard” and it needs to be improved. Progress will depend on recognition of the problem, a better understanding of the need for an adequate sample, and a much better understanding of the nature of “staging scores”—including the use of more appropriate statistical tools and strategies to minimise observer.

Non-clinical assessment involves toxicity testing of individual components and safety of the intact device in an appropriate species, but not all clinical outcomes can be assessed in animal models. Thus, the complete pathology of a device or biomaterial emerges from the examination of both non-clinical and clinical observations and findings.

Ask patient to take a deep breath and try to feel the liver edge as it descends. Be sure to allow liver to pass under the fingers of your right hand, note texture.

Pressing too hard may interfere. Findings. Tenderness: The normal liver may be slightly tender. Histological procedures aim to provide good quality sections that can be used for a light microscopic evaluation of human or animal tissue changes in either spontaneous or induced diseases.

Globally % of all adverse drug reactions result from liver toxicity, with over drugs reported to have potential liver toxic effects and a third of all post-market drug withdrawals were for unacceptable levels of liver toxicity (30, 31, ). Thus, a large selection of clinical compounds is available for testing and validating liver.

CLINICAL TOXICOLOGY We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Again, this trait has been attributed to the homogenous distribution of biotransforming enzymes in the fish liver, and the fact that the zonal architecture is not apparent.

A common morphologic response of the fish liver to toxicity is a loss of hepatic glycogen and/or lipid (Ferguson, ). Macroscopically, affected fish have small, dark. Cirrhosis - Cirrhosis of the liver is a chronic disease of the liver characterized by the replacement of normal tissue with fibrous tissue and the loss of functional liver cells.

Digestion - The process by which food is converted into substances that can be absorbed and assimilated by the body. Dysphagia - Difficulty in swallowing. The morphologic assessment of the gross and microscopic appearance of the liver can provide a broad base of knowledge concerning the potential toxicity of a drug or chemical.

This information may either lead to an understanding of the underlying mechanism of toxicity or guide further study to discern the mode of action of the hepatotoxicity.

Clinical signs of toxicity. Rats were observed at 24 h interval up to 28 day for any clinical signs of toxicity. Three male and 2 female rats of group G2 and G5 showed piloerection at 21 day.

The reversal in piloerection was observed in all male and female rats of group at G5 during the observation period of additional 14 days post.Abstract. The detection of abnormal liver biochemical test levels is often the first indication of the presence of liver disease. The pattern of abnormalities can provide clues to the etiology of hepatic dysfunction; for example, elevated serum aminotransferase levels are typical of viral hepatitis, whereas a predominant elevation of the alkaline phosphatase level is more typical of.