ISSN

0974-4150 (Online)
0974-4169 (Print)


Author(s): G.V.H. Raju, S. Ganapathy, D.G. Sankar, P.Y. Naidu

Email(s): gadepalli_raj@yahoo.com

DOI: Not Available

Address: G.V.H. Raju*, S. Ganapathy, D.G. Sankar and P.Y. Naidu
Department of Pharmaceutical Sciences, Andhra University, Visakhapatnam-530003 *Corresponding Author

Published In:   Volume - 4,      Issue - 8,     Year - 2011


ABSTRACT:
A simple high-performance liquid chromatographic method for the determination of tadalafil in human plasma has been developed. Separation was achieved by Reverse phase chromatography on a Grace Genesis C18 (150 x 4.6 mm, 5µ) column with mobile phase A containing Triethylamine buffer (pH adjusted to 2.5 ±0.05 with Orthophosphoric acid) and mobile phase B containing Acetonitrile 95%(95:5 (Acetonitrile :water)) as eluent at a flow rate 1.2ml/min. UV detection was performed at 225nm . Lower limit of quantitation was 4.997ng/ml. Maximum between-run precision was 2.085%. Mean extraction recovery was found to be 97.38 to 97.45%. Stability study showed that after three freeze-thaw cycles the loss of three quality control samples were less than 10%. Samples were stable at room temperature for 48h and at -20° for 2months. Before injecting onto HPLC system, the processed samples were stable for at least 6h. The method can be used to perform bioequivalence study in human.


Cite this article:
G.V.H. Raju, S. Ganapathy, D.G. Sankar, P.Y. Naidu. Development and Validation of an HPLC Method for Analysis of Tadalafil in Human Plasma. Asian J. Research Chem. 4(8): August, 2011; Page 1334-1339.


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