British journal of clinical pharmacology · 2024
The pharmacokinetics of brensocatib in participants with renal impairment following a single oral administration.
СтатьяМногоцентровое исследованиеКлиническое исследование I фазыНазвание и аннотация: Перевод пока не подготовлен
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Yeung Sam Au, Stein Daniel S, Marbury Thomas C, Usansky Helen
Аннотация
AIM: Brensocatib is an oral, selective, competitive and reversible dipeptidyl peptidase 1 inhibitor in development for the treatment of bronchiectasis. This study evaluated the pharmacokinetics (PKs), safety and tolerability of brensocatib in participants with varying degrees of renal impairment and normal renal function.
METHODS: In this phase 1, multicentre, open-label study, 28 participants with mild, moderate or severe renal impairment (estimated glomerular filtration rate [eGFR] 60 to <90, 30 to <60 and 15 to <30 mL/min/1.73 m2, respectively) or normal renal function (≥90 mL/min/1.73 m2) received a single oral 25-mg dose of brensocatib. Blood samples were collected to measure brensocatib PKs at predetermined time points over the 14-day study period. PK parameters were derived using noncompartmental methods.
RESULTS: Demographic and baseline characteristics were similar across groups. There were no significant differences between groups in brensocatib PK parameters. The mean coefficient of variation (CV) of elimination half-life of brensocatib was 37.0 (15.3), 42.8 (21.7), 36.3 (22.9) and 39.1 (17.8) h for mild, moderate, severe and normal renal function groups, respectively. Single-dose brensocatib was quickly absorbed; all groups had a median time to maximum observed plasma concentration of 1 h. Regression model analyses indicated no significant relationships between selected brensocatib PK parameters and eGFR. No treatment-emergent adverse events were reported during the study.
CONCLUSION: Single-dose brensocatib was well tolerated. The study data do not indicate a significant effect of renal impairment on brensocatib elimination and systemic exposure, suggesting that dose adjustment of brensocatib is not necessary in participants with renal impairment.
CLINICAL TRIAL REGISTRATION NUMBER: NCT05673603.
METHODS: In this phase 1, multicentre, open-label study, 28 participants with mild, moderate or severe renal impairment (estimated glomerular filtration rate [eGFR] 60 to <90, 30 to <60 and 15 to <30 mL/min/1.73 m2, respectively) or normal renal function (≥90 mL/min/1.73 m2) received a single oral 25-mg dose of brensocatib. Blood samples were collected to measure brensocatib PKs at predetermined time points over the 14-day study period. PK parameters were derived using noncompartmental methods.
RESULTS: Demographic and baseline characteristics were similar across groups. There were no significant differences between groups in brensocatib PK parameters. The mean coefficient of variation (CV) of elimination half-life of brensocatib was 37.0 (15.3), 42.8 (21.7), 36.3 (22.9) and 39.1 (17.8) h for mild, moderate, severe and normal renal function groups, respectively. Single-dose brensocatib was quickly absorbed; all groups had a median time to maximum observed plasma concentration of 1 h. Regression model analyses indicated no significant relationships between selected brensocatib PK parameters and eGFR. No treatment-emergent adverse events were reported during the study.
CONCLUSION: Single-dose brensocatib was well tolerated. The study data do not indicate a significant effect of renal impairment on brensocatib elimination and systemic exposure, suggesting that dose adjustment of brensocatib is not necessary in participants with renal impairment.
CLINICAL TRIAL REGISTRATION NUMBER: NCT05673603.