scholarly journals Development and validation of stability indicating liquid chromatographic (RP-HPLC) method for estimation of ubidecarenone in bulk drug and formulations using quality by design (QBD) approach

Author(s):  
Abdul Muheem ◽  
Faiyaz Shakeel ◽  
Sobiya Zafar ◽  
Mohammed Asadullah Jahangir ◽  
Musarrat Husain Warsi ◽  
...  
Author(s):  
Zahid Zaheer ◽  
Sarfaraz Khan ◽  
Mohammad Sadeque ◽  
Hundekari G. I. ◽  
Rana Zainuddin

A simple, reproducible and efficient reverse phase high performance liquid chromatographic method was developed for Lisinopril in bulk drug and formulation. A column having 150 × 4.6 mm in isocratic mode with mobile phase containing acetonitrile: phosphate buffer (70:30; adjusted to pH 3.0) was used. The flow rate was 0.8 ml/min and effluent was monitored at 216 nm. The retention time (min) and linearity range (μg/ml) for Lisinopril was (1.510) and (10-35). The developed method was found to be accurate, precise and selective for determination of Lisinopril in bulk and formulation.


Author(s):  
Wamorkar V V ◽  
C S Ramaa ◽  
Manjunath S Y ◽  
V Malla Reddy

RP-HPLC method has been developed and validated for the determination of voricaonazole in bulk drug. The developed method is found to be specific, reproducible, and stability indicating. The Hypersil, C18 (250 X 4.6 mm) 5μ column was used and mobile phase consisting of water:acetonitrile to achieve good resolution and retention of the analyte and its impurities. The detector linearity was established from concentrations ranging from 5-100 μg/ml. The method was tested at different levels of specificity and accuracy as per requirements given in ICH guidelines. The molecule was exposed to the stress conditions such as acid, base, oxidation, heat and light as per the recommendations of ICH guidelines. The method was proved to be robust with respect to changes in flow rate, mobile phase composition and allied columns. The proposed method is found to be sensitive, precise, rapid, reproducible, and offers good column life.


2022 ◽  
Vol 56 (1) ◽  
pp. 32-42
Author(s):  
Yik-Ling Chew ◽  
Hon-Kent Lee ◽  
Mei-Ann Khor ◽  
Kai-Bin Liew ◽  
Bontha Venkata Subrahmanya Lokesh ◽  
...  

2020 ◽  
Vol 16 ◽  
Author(s):  
Prajakta H Patil ◽  
B.M. Gurupadayya ◽  
P.D. Hamrapurkar

Background: In the view of the current FDA standardization and product quality control criteria, Quality by design approach for analytical methods gaining importance to develop a robust analytical method. A new Quality by Design approach by RP-HPLC was developed and validated for the quantification and purification of Tadalafil hydrochloride and its tablet formulations. Objective: The objective of the study was to develop and validate a simple, robust, and accurate method by QbD approach for detection Tadalafil hydrochloride and its degradation products in bulk drug and tablet formulation. Materials and Methods: The chromatographic separation was performed on JASCO Crest Pack RPC18 column (250mm×4.6mm, 5μm) with a mobile phase consisting of a mixture of mobile phase A: Acetonitrile: Methanol (40:20 v/ v) and mobile phase B: 0.01M Ammonium acetate in water adjusted pH 3.50± 0.05 with glacial acetic acid with 1.0ml/ min flow rate at 285nm. Box-Behnken's three-level 3 factorial design was employed to create and analyze a "Design Space" (DoE). This design was statistically analyzed by ANOVA, counter-plot, and 3D response surfaces plots which demonstrated that the model is statically significant. The developed method was validated as per ICH guidelines Q2 (R1). Results and Discussion: The tadalafil hydrochloride showed good regression (R2>0.9995) within test ranges, and the percent recovery was found to be 98% in marketed formulation. Conclusion: The method was found to be highly specific without the interference of impurities and degradation products of tadalafil hydrochloride. For quantification and routine quality control of tadalafil and its marketed formulation, the stability-indicating the RP-HPLC method could thus be extended.


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