Oral administration of [3H]navelbine in patients: comparative pharmacokinetics using radioactive and radioimmunologic determination methods

[3H]Navelbine (NVB) was administered orally to two patients. Drug levels in biological fluids were monitored by radioimmunoassay (RIA) and direct radioactivity (RA) determinations. NVB absorption was rapidmaximum plasma concentrations appeared in the first 2 h after oral administrations. Pharmacokin...

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Veröffentlicht in:Anti-cancer drugs 1991-08, Vol.2 (4), p.405-410
Hauptverfasser: Rahmani, Roger, Zhou, Xiao-Jian, Boré, Patrick, Cantfort, Jean Van, Focan, Christian, Cano, Jean-Paul
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container_end_page 410
container_issue 4
container_start_page 405
container_title Anti-cancer drugs
container_volume 2
creator Rahmani, Roger
Zhou, Xiao-Jian
Boré, Patrick
Cantfort, Jean Van
Focan, Christian
Cano, Jean-Paul
description [3H]Navelbine (NVB) was administered orally to two patients. Drug levels in biological fluids were monitored by radioimmunoassay (RIA) and direct radioactivity (RA) determinations. NVB absorption was rapidmaximum plasma concentrations appeared in the first 2 h after oral administrations. Pharmacokinetic parameters estimated from RIA data were in complete accordance with those obtained from iv injections. Bioavailability (iv/po) estimated from RIA and RA data averaged 40.6 and 93.0%, respectively. NVB urine excretion was low. Fecal excretion remained its main elimination route. Moreover, large differences were observed in area under NVB plasma concentration-time curve (AUC) values obtained by the two methods, implying intense drug bio-transformations.
doi_str_mv 10.1097/00001813-199108000-00011
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subjects Administration, Oral
Aged
Antineoplastic Agents - immunology
Antineoplastic Agents - pharmacokinetics
Biological Availability
Chromatography, High Pressure Liquid
Feces - chemistry
Humans
Intestinal Absorption
Middle Aged
Radioimmunoassay
Tissue Distribution
Vinblastine - analogs & derivatives
Vinblastine - immunology
Vinblastine - pharmacokinetics
Vinorelbine
title Oral administration of [3H]navelbine in patients: comparative pharmacokinetics using radioactive and radioimmunologic determination methods
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