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Development and Characterization of Orally Disintegrating Tablets Containing a Captopril-Cyclodextrin Complex.


ABSTRACT: Captopril is the first angiotensin I-converting enzyme inhibitor widely used for the treatment of hypertension. Based on the well-known benefits of cyclodextrin inclusion complexes, the present study investigated the ability of ?-cyclodextrin to include captopril. Solid inclusion complexes of captopril with ?-cyclodextrin in a 1:2 molar ratio were prepared by using the paste method of complexation. For comparison purposes, a simple physical mixture with the same molar ratio was also prepared. Fourier-transform infrared spectroscopy, scanning electron microscopy, X-ray diffraction and simultaneous thermal analysis were used to characterize the raw materials, physical mixture and solid inclusion complex. In order to provide the drug in a more accessible and patient-compliant form following masking its bitter taste, as well as ensuring the appropriate release kinetics, the investigated complex was formulated as orally disintegrating tablets. The study of captopril dissolution in both compendial and simulated saliva media suggested the Noyes Whitney model as the best mathematical model to describe the release phenomena. A clinical study on healthy volunteers also highlighted the taste improvement of the new formulation as compared to conventional tablets.

SUBMITTER: Musuc AM 

PROVIDER: S-EPMC7464127 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Development and Characterization of Orally Disintegrating Tablets Containing a Captopril-Cyclodextrin Complex.

Musuc Adina Magdalena AM   Anuta Valentina V   Atkinson Irina I   Popa Vlad Tudor VT   Sarbu Iulian I   Mircioiu Constantin C   Abdalrb Ghaleb Abdalameer GA   Mitu Mirela Adriana MA   Ozon Emma Adriana EA  

Pharmaceutics 20200807 8


Captopril is the first angiotensin I-converting enzyme inhibitor widely used for the treatment of hypertension. Based on the well-known benefits of cyclodextrin inclusion complexes, the present study investigated the ability of β-cyclodextrin to include captopril. Solid inclusion complexes of captopril with β-cyclodextrin in a 1:2 molar ratio were prepared by using the paste method of complexation. For comparison purposes, a simple physical mixture with the same molar ratio was also prepared. Fo  ...[more]

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