Development and Validation of a RP‐HPLC Method to Quantify Omeprazole in Delayed Release Tablets

References

• Rang , H. P. , Dale , M. M. , Ritter , J. M. and Moore , P. K. 2001 . Farmacologia Rio de Janeiro : Guanabara Koogan .
   Google Scholar
• Clarke's . 2004 . Analysis of Drug and Poisons London : Pharmaceutical Press . Cd‐Rom version
   Google Scholar
• Farinha , A. , Bica , A. , Pais , J. P. , Toscano , M. C. and Tavares , P. 1999 . Bioequivalence evaluation of two omeprazole enteric‐coated formulations in humans . Eur. J. Pharm. Sci. , 7 ( 4 ) : 311 – 315 .
   PubMed Web of Science ®Google Scholar
• Hoogerwerf , W. A. and Pasricha , P. J. 2001 . “ Agents used for control of gastric acidity and treatment of peptic ulcers and gastroesophageal reflux disease ” . In The Pharmacological Basis of Therapeutics Edited by: Goodman , A. G. New York : Mc Graw Hill . Ch. 37
   Google Scholar
• Tolman , K. G. 2000 . “ Gastrointestinal and liver Drugs ” . In Remington the Science and Practice of Pharmacy , 20th ed. Edited by: Gennaro , A. R. Philadelphia : Lippincott Williams & Wilkins .
   Google Scholar
• Harvey , R. A. , Champe , P. C. and Mycek , M. J. 1998 . Farmacologia ilustrada Porto Alegre : Artmed .
   Google Scholar
• Mathew , M. , Das Gupta , V. and Bailey , R. E. 1995 . Stability of omeprazole solutions at various pH values as determined by high performance liquid chromatography . Drug Dev. Ind. Pharm. , 21 : 965 – 971 .
   Web of Science ®Google Scholar
• Lövgren , K. L. , Pilbrant , A. G. , Yasumura , M. , Morigaki , S. , Oda , M. and Ohishi , N. EP Patent . 0 2479 83 B 1 . Apr. 16, 1987 .
   Google Scholar
• Davidson , A. G. and McCallum , A. 1996 . A survey of stability of omeprazole products from 13 countries . Drug Dev. Ind. Pharm. , 22 : 1173 – 1185 .
   Web of Science ®Google Scholar
• Storpirtis , S. and Rodrigues , D. 1998 . In vitro evaluation of dissolution properties and degradation products of omeprazole in entericcoated pellets . Drug Dev. Ind. Pharm. , 24 : 1101 – 1107 .
   PubMed Web of Science ®Google Scholar
• Castro , D. , Moreno , M. A. , Torrado , S. and Lastres , J. L. 1999 . Comparison of derivative spectrophotometric and liquid chromatographic methods for the determination of omeprazole in aqueous solutions during stability studies . J. Pharm. Biomed. Anal. , 21 : 291 – 298 .
   PubMed Web of Science ®Google Scholar
• Sluggett , G. W. , Stong , J. D. , Adams , J. H. and Zhao , Z. 2001 . Omeprazole determination using HPLC with coulometric detection . J. Pharm. Biomed. Anal. , 25 : 357 – 361 .
   PubMed Web of Science ®Google Scholar
• Torkglu , M. , Varol , H. and Çelikok , M. 2004 . Tableting and stability evaluation of enteric‐coated omeprazole pellets . Eur. J. Pharm. Biopharm. , 57 ( 2 ) : 279 – 286 .
   PubMed Web of Science ®Google Scholar
• Riedel , A. and Leopold , C. S. 2005 . Degradation of omeprazole induced by enteric polymer solutions and aqueous dispersions: HPLC investigations . Drug Dev. Ind. Pharm. , 31 : 151 – 160 .
   PubMed Web of Science ®Google Scholar
• Ozaltin , N. and Koçer , A. 1997 . Determination of omeprazole in pharmaceuticals by derivative spectroscopy . J. Pharm. Biomed. Anal. , 16 : 337 – 342 .
   PubMed Web of Science ®Google Scholar
• Sastry , C. S.P. , Naidu , P. Y. and Murty , S. S.N. 1997 . Spectrophotometric methods for the determination of omeprazole in bulk form and pharmaceutical formulations . Talanta , 44 : 1211 – 1217 .
   PubMed Web of Science ®Google Scholar
• Wahbi , A. M. , Abdel‐Razak , O. , Gazy , A. A. , Mahgoub , H. and Moneeb , M. S. 2002 . Spectrophotometric determination of omeprazole, lansoprazole and pantoprazole in pharmaceutical formulations . J. Pharm. Biomed. Anal. , 30 : 1133 – 1142 .
   PubMed Web of Science ®Google Scholar
• Riedel , A. and Leopold , C. S. 2005 . Quantification of omeprazole degradation by enteric coating polymers: an UV‐VIS spectroscopy study . Pharmazie , 60 ( 2 ) : 126 – 130 .
   PubMed Web of Science ®Google Scholar
• Ray , S. and Kumar , P. 1994 . HPTLC and TLC method for rapid quantification and identification of omeprazole . Indian Drugs , 31 : 543
   Google Scholar
• Ozaltin , N. and Temizer , A. 1994 . Differential pulse polarographic determination of omeprazole in pharmaceutical preparations . Electroanalysis , 6 : 799 – 803 .
   Google Scholar
• ICH International Conference on Harmonization. Validation of Analytical Procedures: Methodology .
   Google Scholar