LC-ESI-MS/MS method validation for simultaneous quantification of FDA-approved anticancer agents futibatinib and binimetinib in rat plasma: Insights from preclinical pharmacokinetics.
Biomed Chromatogr
; 38(11): e6005, 2024 Nov.
Article
de En
| MEDLINE
| ID: mdl-39237854
ABSTRACT
This study investigates the combination of FGFR inhibitor futibatinib (FTB) and MEK inhibitor binimetinib (BTB) for KRASmt NSCLC therapy. An analytical method was developed and validated for measuring FTB and BTB concentrations in rat plasma, adhering to USFDA guidelines. Using liquid-liquid extraction on 45-µL plasma samples, a 6.5-min run time was achieved. The linear calibration curve ranged from 2 to 100 ng/mL. Intra-day and inter-day accuracy ranged between 92.06% and 100.08%. Four blank injections post high-concentration samples resolved significant carryover. Extraction recoveries averaged 92.06% to 102.37% across concentrations. No significant endogenous interference was detected in blank plasma. The LLOQ for both drugs was 2.0 ng/mL. Selectivity, matrix effects, stability, and dilution integrity met the acceptance criteria. The method assessed FTB and BTB interaction potential in combination therapy at 5 mg/kg. The findings provide essential pharmacokinetics insights for future clinical trials.
Mots clés
Texte intégral:
1
Collection:
01-internacional
Base de données:
MEDLINE
Sujet principal:
Benzimidazoles
/
Rat Sprague-Dawley
/
Spectrométrie de masse en tandem
/
Antinéoplasiques
Limites:
Animals
Langue:
En
Journal:
Biomed Chromatogr
Année:
2024
Type de document:
Article
Pays d'affiliation:
Inde
Pays de publication:
Royaume-Uni