DNA scaffold nanoparticles coated with HPMC/EC for oral delivery.

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ID: 39314
2019
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Abstract
The control of the glycemic level among diabetes/T2 patients is very important for their long term survival and avoiding further complexities including micro/macrovascular diseases as well as diabetic neuropathy. Vildagliptin (VD) is a drug that has addressed these issues successfully with the desired safety portfolio. We used DNA-nanocubes for initial nano-encapsulation of VD followed by HPMC/EC coating. The results revealed the stable, smooth, spherical and nano-sized nanoparticles with improved size uniformity (from 100 to 400 nm in diameter) and encapsulation-efficiency (E.E.%) than previously reported (500-2000 nm) with the chemical compatibility evident in ATR/FTIR and DSC results. Animal experiments results revealed the improvement of incretin level in the serums due to potent DPP-4 inhibition compared to the free-VD/solution with better maintenance of glycemic levels after feeding. The safety of these HPMC/EC-DNA-VD nanoparticles was assessed through the histological-examination after completion of the treatment turn. The solvent evaporation technique provided the better coating of HPMC around DNA-core with gastro-resistant and effervescent property due to presence of NaHCO (0.01%) in the formulations that caused delayed delivery of VD as well as nanoparticles to the intestine, increasing the availability time of the drug and nanospheres at the target sites (intestine and blood) where DPP-4 enzyme is most abundant (to degrade the GLP-1 and GIP causing loss of control of the postprandial glycemic levels. So the availability of sustained release nanospheres near the target sites and prolonged DPP-4 inhibition improved the outcomes of the therapy.
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baig2019dnainternational Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Baig, Mirza Muhammad Faran Ashraf;Naveed, Muhammad;Abbas, Muhammad;Chunxia, Wen;Ullah, Sana;Hasnat, Muhammad;Shad, Asam;Sohail, Muhammad;Khan, Ghulam Jilany;Ansari, Muhammad Tayyab;
Journal International journal of pharmaceutics
Year 2019
DOI
S0378-5173(19)30246-7
URL
Keywords Keywords not found

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