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논문 기본 정보

자료유형
학술저널
저자정보
Boddu Prasanthi (Viswanadha Institute of Pharmaceutical Sciences India) Karamchety Surya Kameswari Shilpa (Viswanadha Institute of Pharmaceutical Sciences India) Mudili Nagabhushana Rao (Viswanadha Institute of Pharmaceutical Sciences India) Ponukumati Uma Devi (Viswanadha Institute of Pharmaceutical Sciences India)
저널정보
한국약제학회 Journal of Pharmaceutical Investigation Journal of Pharmaceutical Investigation 제47권 제6호
발행연도
2017.11
수록면
497 - 505 (9page)

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초록· 키워드

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The primary objective of the present investigation was to formulate and evaluate fixed dose bilayer tablet of two antihyperglycemic agents with different mechanisms of action to improve glycemic control in patients with type 2 diabetes. A secondary objective is to ensure that metformin release should be less in stomach and completely released in alkaline pH within the stipulated hours. Hence, metformin hydrochloride (500 mg) sustained release (SR) layer was formulated using various release retardant polymers such as hydroxy propyl methyl cellulose, xanthan gum and sodium carboxy methyl cellulose in three different ratios of 1:0.3, 1:0.4 and 1:0.5, such that therapeutically effective levels can be maintained. Immediate release (IR) layer of pioglitazone hydrochloride (15 mg) was formulated using super disintegrant (crosspovidone) in four different ratios of 1:0.2, 1:0.4, 1:0.6 and 1:0.8. The formulated fixed dose bilayer tablets were subjected to various physiochemical evaluations like weight variation, friability, hardness, drug content, in vitro drug release kinetics and stability studies. The optimized formulation (F8) showed the maximum drug release up to 60 min in IR layer and up to 12 h in SR layer. Formulation F8 was found to be stable at room temperature for a period of 3 months. From the study it is evident that a promising bilayer tablet of pioglitazone hydrochloride and metformin hydrochloride can be developed using crosspovidone (disintegrant) and xanthan gum (release retardant polymer).

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