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  • Title: Pharmacokinetics of solid lipid Boswellia serrata particles in healthy subjects.
    Author: Kulkarni PD, Damle ND, Hingorani L, Bhaskar VH, Ghante MR, Patil A, Gurjar M, Gota V.
    Journal: Drug Metab Pers Ther; 2021 Apr 05; 36(3):215-221. PubMed ID: 34412175.
    Abstract:
    OBJECTIVES: The anti-inflammatory activity of Boswellia serrata extracts (BSE) is well known. BSE comprises boswellic acids (BA) such as 3-O-acetyl-11-keto-beta-boswellic acid (AKBA) and 11-keto-boswellic acid (KBA) as major constituents. One of the limitations of BAs is their poor oral bioavailability. The aim of the study was to prepare solid lipid particles of Boswellia serrata extract (SLBSP) to enhance the bioavailability of BAs. METHODS: The pharmacokinetic profile of BAs was studied in 10 healthy human volunteers following a single oral dose of 333 mg of SLBSP. Pharmacokinetic blood samples were collected at 0.5, 1, 1.5, 2, 2.5, 3, 4, 5, 6, 8, and 12 h post drug administration. Plasma KBA and AKBA levels were measured using a validated LC-MS/MS method. Pharmacokinetics parameters were estimated using Pheonix WinNonlin (Build 6.4.0.768) software. RESULTS: Ten healthy human volunteers were included and peak plasma concentration was achieved in 1.5 and 2.3 h for AKBA and KBA respectively. Maximum plasma concentration (Cmax) was 8.04 ± 1.67 ng/mL for AKBA and 23.83 ± 4.41 ng/mL for KBA whereas the corresponding area under the concentration-time curve (AUC) was 136.7 ± 56.77 ng/mL*h and 165.7 ± 24.5 ng/mL*h respectively. The elimination half-life (t1/2) of AKBA and KBA was 6.8 ± 3.0 h and 2.45 ± 0.3 h respectively. CONCLUSIONS: The SLBSP formulation of BSE showed enhanced oral bioavailability of BAs compared with historically reported data of unformulated BSE.
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