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Iranian Journal of Basic Medical Sciences، جلد ۲۸، شماره ۷، صفحات ۸۷۳-۸۷۹
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عنوان انگلیسی Pulmonary delivery of insulin by dry powder inhaler formulations
چکیده انگلیسی مقاله Objective(s): Insulin therapy is critical in diabetic patients for controlling blood glucose levels. In recent years, pulmonary insulin delivery has emerged as an alternative approach for overcoming the therapeutic disadvantages of subcutaneous insulin administration, such as pain, infection risk, and needle phobia. To develop the pulmonary insulin formulation, five insulin-containing dry powder inhalers (DPIs) with different excipients were tested in diabetic rats.Materials and Methods: Formulations were inoculated endotracheally to diabetic rats induced by streptozotocin. Insulin and glucose assays were performed on blood samples taken from the carotid artery at different intervals, including baseline and 1–4 hr after insulin administration. Results: The results illustrated that five formulations (F1-F5) could gradually increase the plasma insulin level during time points of the study. The first and third formulations comprising insulin, mannitol, and sodium citrate in the absence (F1) or presence of sodium alginate (F3) also declined plasma glucose levels in animals. Conclusion: The results confirmed that the pulmonary formulations could deliver and release insulin molecules in a good manner, and the biological activity of the two formulations, including F1 and F3, is acceptable and comparable to the subcutaneous insulin. Our findings support that the mentioned DPI products could have therapeutic potential as an alternative to subcutaneous insulin. Further investigations are needed to prove the capability of F1 and F3 spray-dried products to treat diabetic individuals. 
کلیدواژه‌های انگلیسی مقاله Diabetic rats, Dry powder inhalers (DPIs), Glucose, Insulin, Pulmonary administration
نویسندگان مقاله | Mohsen Imenshahidi
Pharmaceutical Sciences Research Center, Mashhad University of Medical Sciences, Mashhad, Iran|School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran


| Mona Kabiri
Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran


| Mohammad Jandaghi
School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran|Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran


| Seyed Salman Razavi Rouhani
School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran|Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran


| Khalil Abnous
Pharmaceutical Sciences Research Center, Mashhad University of Medical Sciences, Mashhad, Iran|School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran


| Gholamreza Karimi
Pharmaceutical Sciences Research Center, Mashhad University of Medical Sciences, Mashhad, Iran|School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran


| Mohsen Tafaghodi
Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran|School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
نشانی اینترنتی https://ijbms.mums.ac.ir/article_25775.html
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