NDLI: Nanoparticle formulation by Büchi B-90 Nano Spray Dryer for oral mucoadhesion

Content Provider	PubMed Central
Author	Harsha, Sree N. Aldhubiab, Bander E. Nair, Anroop B. Abdulrahman, Alhaider Ibrahim Mahesh, Attimarad Venugopala, Katharigatta N. Srinivasan, Saminathan Nagesh, Gangadhar Asif, Afzal Haq
Copyright Year	2015
Abstract	Diabetes is considered one of the main threats to global public health in this era. It is increasing rapidly in every part of the world; the prevalence of the disease will grow to the point where 366 million people will be affected by 2030. The prevalence of diabetes mellitus (DM) in the Saudi population is high, and the majority of patients suffer from type 2 DM. Marketed oral antidiabetic drugs have indicated poor tolerability during chronic treatments, and this contributes to the moderately large proportion of type 2 DM patients that remain inadequately managed. Vildagliptin nanospheres were prepared with aminated gelatin using a spray-drying method; narrow particle-size distribution was seen at 445 nm. The angle of repose was found to be θ <33.5°. The nanospheres appeared to be spherical with a smooth surface. The drug content and percentage yield of the nanospheres were found to be 76.2%±4.6% and 83%±2%, respectively. The nanosphere-swell profile was found to be 165%±7%. The pure drug was 100% dissolved in 30 minutes, and the nanosphere formulation took 12 hours to dissolve (97.5%±2%), and followed a Korsmeyer–Peppas kinetic model with an R 2 of 0.9838. The wash-off test of nanospheres found that they exhibited an excellent mucoadhesive property at 86.7% for 8 hours. The stability-study data showed no changes in the physicochemical properties of the nanospheres, and suggested that the nanospheres be stored below room temperature. The amount of vildagliptin retained was 1.6% within 3 hours, and in comparison with the gelatin vildagliptin nanoparticles formulation, the percentage that was retained was much higher (98.2% in 12 hours).
Related Links	http://dx.doi.org/10.2147/dddt.s66654
Ending Page	282
Starting Page	273
File Format	PDF
ISSN	11778881
e-ISSN	11778881
Journal	Drug Design, Development and Therapy
Volume Number	9
Language	English
Publisher	Dove Medical Press
Publisher Date	2015-01-01
Access Restriction	Open
Rights Holder	Dove Medical Press
Subject Keyword	Pharmacology Drug Discovery Pharmaceutical Science Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Drug Discovery Pharmacology Pharmaceutical Science

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