当前位置： SCI文献检索 > EUROPEAN JOURNAL OF DRUG METABOLISM AND PHARMACOKINETICS期刊下所有文献 > Pharmacokinetics of the Urokinase Receptor-Derived Peptide UPARANT After Single and Multiple Doses Administration in Rats.

Pharmacokinetics of the Urokinase Receptor-Derived Peptide UPARANT After Single and Multiple Doses Administration in Rats.

Abstract：

BACKGROUND AND OBJECTIVES:UPARANT has emerged as a novel therapeutic agent with the potential to treat ocular diseases as assessed by studies in animal models. Since limited information is available on the pharmacokinetics of UPARANT, the aim of this study is to evaluate its pharmacokinetics after single and multiple ascending dose (SAD and MAD) administration in rats. METHODS:Male (n = 27) and female (n = 27) Sprague-Dawley rats were divided into six groups (n = 9/sex/group). UPARANT was administered via subcutaneous injection as single (10, 50 or 100 mg/kg; day 1) and multiple (10, 50 or 100 mg/kg/day; 7 consecutive days; day 7) dosing. Blood samples were collected on day 1 (pre-dose, 0.5, 1, 2, 4, 8 and 24 h post dose) and day 7 (pre-dose, 0.5, 1, 2, 4, 8, 24, 48 and 192 h post dose). The plasma concentration of UPARANT was determined by a validated liquid chromatography mass spectrometry method. RESULTS:The plasma concentration-time profiles of UPARANT were similar in SAD and MAD administration in both male and female rats. The compound reached maximum plasma concentration (Cmax) at 1-2 h with a slow apparent plasma clearance and a moderate apparent volume of distribution. Moreover, SAD administration revealed a non-proportional increase in Cmax and in the area under the plasma concentration-time curve (AUCinf), whereas a dose-proportional increase in AUCinf was shown after MAD administration. Regarding the extent of accumulation, the data suggest negligible accumulation of the compound after multiple administrations. CONCLUSION:The pharmacokinetics of UPARANT were not sex-related, and there was negligible accumulation in plasma after 7 days of treatment. However, the compound exhibited no dose-proportional pharmacokinetics after single and multiple ascending subcutaneous dosing.

journal_name

Eur J Drug Metab Pharmacokinet

journal_title

European journal of drug metabolism and pharmacokinetics

authors

Ciccone M,D'Alonzo D,Cangiano AM,De Fenza M,Pavone V,Mancinelli A

doi

10.1007/s13318-020-00654-0

subject

Has Abstract

pub_date

2021-01-01 00:00:00

pages

119-128

issue

1

eissn

0378-7966

issn

2107-0180

pii

10.1007/s13318-020-00654-0

journal_volume

46

pub_type

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