Abstract
Problem statement: Ketoprofen, a widely used analgesic and anti-inflammatory drug, was available in two types of solid dosage forms in the pharma-market of Bangladesh: enteric-coated tablet and capsule of sustained-release pattern. Seven brands of ketoprofen enteric-coated tablets and four brands of ketoprofen sustained release capsules were studied for their in-vitro release behavior as well as potency status. Approach: The studies were carried out to compare with standard sample of ketoprofen sustained-release pellets and that of ketoprofen powder. To determine the release pattern of the preparations, disintegration study and dissolution tests were performed as per the method described in standard pharmacopeial compendia (British Pharmacopoeia or BP and United State Pharmacopoeia or USP respectively). The potency of the samples were determined by the UV spectroscopic method as described in BP. Results: Out of seven samples of tablets, two brands (KT-03 and KT-07) were found noncompliant in respect of disintegration test in acid stage whereas rest of the brands complied with BP specification in buffer stage at pH 6.8. The dissolution study of ketoprofen tablets were carried out in both acid and buffer stages and all the samples satisfied with USP specification in both stages. All of the brands of ketoprofen capsule also complied with the USP specification. Two brands (KT-03 and KT-07) of tablets were found non-compliant whereas rest brands of tablets and all brands of capsules exerted compliance in respect of potency. Conclusion: This study will provide a basis for further in-vivo bioavailability studies of these brands to draw a more conclusive remark regarding quality status of these samples.
Highlights
The valid reasons for coating tablets include: (i) To control the site of release of drug which is best illustrated in terms of enteric coating. (ii) to provide a propionic acid, is a nonsteroidal anti-inflammatory controlled, continuous drug release rate
The release pattern of a coated tablet can be day in our country, especially among elderly and that revealed by disintegration and dissolution tests creates a demand of quality analgesic drugs
Sample: Seven brands of ketoprofen enteric-coated tablet and four brands of ketoprofen capsule were purchased from the different regions of Bangladesh
Summary
The valid reasons for coating tablets include: (i) To control the site of release of drug which is best illustrated in terms of enteric coating. (ii) to provide a propionic acid, is a nonsteroidal anti-inflammatory controlled, continuous drug release rate. Now-a-days, a and analgesic drug used widely in the treatment of lot of tablet preparations are coated to make a product patients with rheumatic diseases. It acts by inhibiting safe, elegant, stable, therapeutically effective and Cyclooxygenase-1 (COX-1) and cyclooxygenase-2 aesthetically nice. The ingredient is to be released from dosage form for rapid prevalence of rheumatic diseases is increasing day by absorption. The release pattern of a coated tablet can be day in our country, especially among elderly and that revealed by disintegration and dissolution tests creates a demand of quality analgesic drugs. Of the study is to investigate the release pattern and Sustained release dosage form of a drug contributes potency status of different preparations of Ketoprofen some advantages. A large number of studies have been conducted previously on the dissolution and disintegration pattern of ketoprofen dosage forms:
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