1980
Aminopyrine n-Demethylation: A Prognostic test of liver function in patients with alcoholic liver disease
Schneider J, Baker A, Haines N, Hatfield G, Boyer J. Aminopyrine n-Demethylation: A Prognostic test of liver function in patients with alcoholic liver disease. Gastroenterology 1980, 79: 1145-1150. PMID: 6777231, DOI: 10.1016/0016-5085(80)90906-3.Peer-Reviewed Original ResearchConceptsAminopyrine breath testAlcoholic liver diseaseBreath testLiver diseaseAlcoholic hepatitisClinical improvementHistologic severityLiver functionConventional liver function testsLiver function testsGroup of patientsShort-term survivalClinical featuresFunction testsHistologic confirmationClinical statusProthrombin timePatientsPrognostic testDiseaseHepatitisSeveritySurvivalSGPTSGOT
1978
Validation of 13CO2 breath analysis as a measurement of demethylation of stable isotope labeled aminopyrine in man
Schneider J, Schoeller D, Nemchausky B, Boyer J, Klein P. Validation of 13CO2 breath analysis as a measurement of demethylation of stable isotope labeled aminopyrine in man. Clinica Chimica Acta 1978, 84: 153-162. PMID: 639299, DOI: 10.1016/0009-8981(78)90489-8.Peer-Reviewed Original ResearchConceptsLiver diseaseHepatic microsomal drug metabolismMicrosomal drug metabolismSimultaneous oral administrationDrug-drug interactionsNon-invasive assessmentN-demethylation activityOral doseCumulative excretionOral administrationEffects of diseaseExcretion of labelAdult subjectsDrug metabolismDiseaseExpired breathCumulative appearanceHuman subjectsPatientsReproducible increaseAminopyrineRadiation riskExcretionSubjectsHours