Validation of a Reversed‐Phase HPLC Method for the Analysis of Sildenafil Citrate in Pharmaceutical Preparations and in Spiked Human Plasma

References

• Boolell , M. , Gepi‐Attee , S. , Gingell , J. C. and Allen , M. J. 1996 . Sildenafil, a novel effective oral therapy for male erectile dysfunction . Brit. J. Urol. , 78 : 257 – 261 .
   PubMedGoogle Scholar
• Turko , I. V. , Ballard , S. A. , Francis , S. H. and Corbin , J. D. 1999 . Inhibition of cyclic GMP‐binding cyclic GMP‐specific phosphodiesterase (type 5) by sildenafil and related compounds . Molec. Pharm. , 56 : 124 – 130 .
   PubMed Web of Science ®Google Scholar
• Lowentritt , B. H. , Scardino , P. T. , Miles , B. J. , Orejuela , F. J. , Schatte , E. C. , Slawin , K. M. , Elliott , S. P. and Kim , E. D. 1999 . Sildenafil citrate after radical retropubic prostatectomy . J. Urol. , 162 : 1614 – 1617 .
   PubMed Web of Science ®Google Scholar
• Cho , J. Y. , Lim , S. H. , Yu , K. S. , Shim , H. J. , Jang , I. J. and Shin , S. G. 2003 . Sensitive liquid chromatography assay with ultraviolet detection for a new phosphodiesterase V inhibitor, DA‐8159, in human plasma and urine . J. Chromatogr. B. , 795 : 179 – 186 .
   PubMedGoogle Scholar
• Cooper , J. D.H. , Muirhead , D. C. , Taylor , J. E. and Baker , P. R. 1997 . Development of an assay for the simultaneous determination of sildenafil (Viagra) and its metabolite (UK 103,320) using automated sequential trace enrichment of dialysates and high‐performance liquid chromatography . J. Chromatogr. B. , 701 : 87 – 95 .
   PubMed Web of Science ®Google Scholar
• Daragmeh , N. , Al‐Omari , M. , Badwan , A. A. and Jaber , A. M.Y. 2001 . Determination of sildenafil citrate and related substances in the commercial products and tablet dosage form using HPLC . J. Pharm. Biomed. Anal. , 25 : 483 – 492 .
   PubMedGoogle Scholar
• Dinesh , N. D. , Nagaraja , P. , Made Gowda , N. M. and Rangappa , K. S. 2002 . Extractive spectrophotometric methods for the assay of sildenafil citrate (Viagra) in pure form and in pharmaceutical formulations . Talanta. , 57 : 757 – 764 .
   PubMed Web of Science ®Google Scholar
• Dinesh , N. D. , Vishukumar , B. K. , Nagaraja , P. , Made Gowda , N. M. and Rangappa , K. S. 2002 . Stability indicating RP‐LC determination of sildenafil citrate (Viagra) in pure form and in pharmaceutical samples . J. Pharm. Biomed. Anal. , 29 : 743 – 748 .
   PubMed Web of Science ®Google Scholar
• Liaw , J. and Chang , T. W. 2001 . Determination of transdermal sildenafil in nude mouse skin by reversed‐phase high‐performance liquid chromatography . J. Chromatogr. B. , 765 : 161 – 166 .
   PubMed Web of Science ®Google Scholar
• Shim , H. J. , Lee , E. J. , Jung , H. Y. , Kim , S. H. , Kim , S. H. , Yoo , M. , Kwon , J. W. , Kim , W. B. and Lee , M. G. 2002 . Determination of a new phosphodiesterase V inhibitor, DA‐8159, in plasma and urine by high‐performance liquid chromatography . J. Pharm. Biomed. Anal. , 30 : 527 – 533 .
   PubMed Web of Science ®Google Scholar
• Berzas Nevado , J. J. , Rodriguez Flores , J. , Castaneda Penalvo , G. and Rodriguez Farinas , N. 2001 . Miceller elektrokinetic capillary chromatography for the sildenafil citrate of viagra and its metabolite (UK‐103,320) in human serum . Electrophoresis. , 22 : 2004 – 2009 .
   PubMed Web of Science ®Google Scholar
• Berzas Nevado , J. J. , Rodriguez Flores , J. , Castaneda Penalvo , G. and Rodriguez Farinas , N. 2002 . Determination of sildenafil citrate and its main metabolite by sample stacking with polarity switching using micellar electrokinetic chromatography . J. Chromatogr. A. , 953 : 279 – 286 .
   PubMed Web of Science ®Google Scholar
• Berzas , J. J. , Rodriguez , J. , Castaneda , G. and Villasenor , M. J. 2000 . Voltammetric behavior of sildenafil citrate (Viagra) using square wave and adsorptive stripping square wave techniques . Anal. Chim. Acta. , 417 : 143 – 148 .
   Web of Science ®Google Scholar
• Rodriguez , J. , Berzas , J. J. , Castaneda , G. and Rodriguez , N. 2004 . Determination of sildenafil citrate (viagra) and its metabolite (UK‐103,320) by square‐wave and adsorptive stripping square‐wave voltammetry. Total determination in biological samples . Talanta. , 62 : 427 – 432 .
   PubMedGoogle Scholar
• Altiokka , G. , Atkosar , Z. , Sener , E. and Tuncel , M. 2001 . FIA of sildenafil citrate using UV‐detection . J. Pharm. Biomed. Anal. , 25 : 339 – 342 .
   PubMed Web of Science ®Google Scholar
• Ozkan , S. A. , Uslu , B. and Zuman , P. 2004 . Electrochemical oxidation of sildenafil citrate (Viagra) on carbon electrodes . Anal. Chim. Acta. , 501 : 227 – 233 .
   Web of Science ®Google Scholar