Pharmacokinetics of rimantadine hydrochloride in patients with chronic liver disease. 1987

R J Wills, and R Belshe, and D Tomlinsin, and F De Grazia, and A Lin, and S Wells, and J Milazzo, and C Berry
Hoffmann-La Roche Inc., Nutley, NJ 07110.

Six patients with chronic liver disease and six sex-, age (+/- 5 years)-, and weight (+/- 5 kg)-matched healthy control subjects received a single dose of two 100 mg tablets rimantadine HCl. Eight additional patients with chronic liver disease who were not matched to healthy subjects received a single dose of two 100 mg tablets of rimantadine HCl. Blood and urine samples were collected and rimantadine concentrations were determined by a GCMS method. The values for maximum plasma concentration, AUC, elimination half-life, and renal clearance were not significantly different between patients and control subjects, independent of the statistical analyses (parametric and nonparametric) used. The mean apparent elimination half-life, volume of distribution, and total clearance in the matched patients with liver disease were 32 hours, 24 L/kg, and 676 ml/min, respectively. Renal clearance and the amount excreted in the urine unchanged were 63 ml/min and 10%, respectively. In conclusion, rimantadine pharmacokinetics were not appreciably altered in patients with less severe chronic liver disease.

UI MeSH Term Description Entries
D008107 Liver Diseases Pathological processes of the LIVER. Liver Dysfunction,Disease, Liver,Diseases, Liver,Dysfunction, Liver,Dysfunctions, Liver,Liver Disease,Liver Dysfunctions
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D002908 Chronic Disease Diseases which have one or more of the following characteristics: they are permanent, leave residual disability, are caused by nonreversible pathological alteration, require special training of the patient for rehabilitation, or may be expected to require a long period of supervision, observation, or care (Dictionary of Health Services Management, 2d ed). For epidemiological studies chronic disease often includes HEART DISEASES; STROKE; CANCER; and diabetes (DIABETES MELLITUS, TYPE 2). Chronic Condition,Chronic Illness,Chronically Ill,Chronic Conditions,Chronic Diseases,Chronic Illnesses,Condition, Chronic,Disease, Chronic,Illness, Chronic
D005260 Female Females
D006207 Half-Life The time it takes for a substance (drug, radioactive nuclide, or other) to lose half of its pharmacologic, physiologic, or radiologic activity. Halflife,Half Life,Half-Lifes,Halflifes
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000218 Adamantane A tricyclo bridged hydrocarbon. Diamantane
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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