Abstract
Through current investigation, we presented a lucrative way to formulate amphotericin B loaded bile salt stabilized carbohydrate polymer i.e. chitosan nanoparticles (NPs) for enhancing gastrointestinal stability of NPs thereby increasing the oral bioavailability of the drug. NPs were prepared using ionic gelation method, and stabilized using bile salt to provide gastric pH stability to chitosan NPs. NPs were optimized on different parameters such as particle size, encapsulation efficiency and estimated for their in vitro and in vivo performance. Developed NPs presented a higher stability in gastrointestinal milieu, reduced haemolytic toxicity and significantly higher uptake in Caco-2 cell lines followed by increased bioavailability as compared to naive drug, marketed formulation i.e. Fungizone® and uncoated chitosan NPs. Biochemical parameters and histology further substantiated the lower toxicity. In nutshell, the present research explored the bioadhesive and higher uptake potential of cationic carbohydrate polymer at the same time along with bile salts for stabilization of NPs in gastric milieu.
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Abbreviations
- AmB:
-
Amphotericin B
- AmB-CSCA NPs:
-
AmB loaded bile salt stabilized chitosan nanoparticles
- ANOVA:
-
Analysis of variance
- AUC:
-
Area under the curve
- BUN:
-
Blood urea nitrogen
- CA:
-
Sodium cholate
- CS:
-
Chitosan
- GI:
-
Gastrointestinal
- HPLC:
-
High-performance liquid chromatography
- kD:
-
Kilo dalton
- NPs:
-
Nanoparticles
- PDI:
-
Polydispersity index
- RBC:
-
Red blood cells
- RITC:
-
Rhodamine isothiocyanate
- SEM:
-
Scanning electron microscopy
- SGF:
-
Simulated gastric fluid
- SIF:
-
Simulated intestinal fluid
- SLS:
-
Sodium lauryl sulphate
- TEM:
-
Transmission electron microscope
- TPP:
-
Tripolyphosphate
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Acknowledgments
The authors are thankful to Director, NIPER for providing the necessary infrastructure and facilities and Department of Science & Technology (DST), Government of India, New Delhi, and financial support. Rajan Swami is grateful to Science and Engineering Research Board (SERB), DST, GOI, New Delhi, for providing research fellowship. Varun Kushwah is appreciative to CSIR, GOI, New Delhi, for providing fellowships.
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Jain, S., Reddy, C.S.K., Swami, R. et al. Amphotericin B Loaded Chitosan Nanoparticles: Implication of Bile Salt Stabilization on Gastrointestinal Stability, Permeability and Oral Bioavailability. AAPS PharmSciTech 19, 3152–3164 (2018). https://doi.org/10.1208/s12249-018-1153-6
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DOI: https://doi.org/10.1208/s12249-018-1153-6