Forced Degradation Studies
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Author(s):  
A. J. Giri ◽  
Anjali D Kingre ◽  
J. K. Dhumal ◽  
P. R. Doifode ◽  
Pratiksha Jaybhaye ◽  
...  

In present study, Accouring to specification of Indian pharmacopeia the content official limit of not less than (98.5%) and not more than (101.0%) of the lable amount our hypothesis was that when all different brands of metformin were expose to the different degradation parameters. The Forced degradation studies show the chemical behavior of the molecule which in turn helps in the development of formulation and package. A forced degradation study is an essential step in the design of a regulatory compliant stability program for both drug substances and products, and formalized as a regulatory requirement in ICH Guideline Q1A in 1993. Forced degradation is a degradation of new drug substance and drug product at conditions more severe than accelerated conditions.


Author(s):  
Patel Seema A. ◽  
Sayyed Nazifa S. ◽  
Lajporiya Mobina I. ◽  
Manjra Mehfuza U. ◽  
Aejaz Ahmed ◽  
...  

Aims: To develop and validate a new, simple, rapid, precise, and accurate An Eco-friendly RP-HPLC and UV-Method Development and Validation for an estimation of Tolvaptan in Bulk and Tablet dosage form followed by Forced Degradation Studies Place and Duration of the Study: The present work has been carried out at Ali-Allana College of Pharmacy, Akkalkuwa between November-2020 to April-2021. Methodology: The UV-Spectroscopic method was developed for the estimation of tolvaptan in bulk and tablet dosage form. The solvent selected for the tolvaptan UV analysis was 4% aq. SLS solution, the solution of 10µg/ml was scanned in UV region from 200-400 nm and the λmax value was determined. The RP-HPLC method was developed on Sunsil C18 150 mm x 4.6mm x 5μ column using acetonitrile: water [45:55] as mobile phase at flow rate 1.0 ml/min and UV detection at 266 nm. Results: The maximum absorbance was observed at 266 nm. The wavelength 266 nm was selected for further analysis of tolvaptan. The calibration curve was determined using drug concentrations ranging from 20-100 µgm/ml. The system suitability was performed by injecting a standard solution containing 200µg/ml of tolvaptan in six replicates. For two of them, the peak asymmetric were <1.5 and the theoretical plate number was >2000, and the %RSD of tolvaptan was less than 2. Conclusion: From the above results, it was concluded that the developed UV and RP-HPLC methods are precise and accurate and can be applied for the quantitative estimation of tolvaptan from bulk and tablet dosage forms. The method can be used for routine testing of tolvaptan by the pharmaceutical industry. Validation of the developed method was done as per International Conference on Harmonization (ICH) Q2R1 guidelines.


2021 ◽  
Vol 7 (1) ◽  
Author(s):  
Dimal A. Shah ◽  
Ishita I. Gondalia ◽  
Vandana B. Patel ◽  
Ashok Mahajan ◽  
Usmangani Chhalotiya ◽  
...  

Abstract Background A sensitive, precise, and stability-indicating high-performance thin-layer chromatographic (HPTLC) method has been developed for the analysis of Remogliflozin etabonate in tablet formulation. HPTLC plates precoated with silica gel 60 F254 were used as the stationary phase; methanol: ethyl acetate: toluene: NH3 (2:4:4:0.1, v/v/v) was used as mobile phase, and densitometry was used for the quantitative estimation of the drug. The proposed method was validated with respect to linearity, accuracy, precision, and robustness and applied for the estimation of drug in tablet dosage form. Results The Rf value of Remogliflozin etabonate was observed to be 0.61. The densitometric estimation was performed in reflectance mode at 229 nm. The method was found to be linear in the range of 500–8000 ng/band for Remogliflozin etabonate. The possible degradation pathway was estimated by performing forced degradation studies. The degradant peaks were well resolved from the drug peak with acceptable resolution in their Rf value. Conclusion An accurate and precise high-performance thin-layer chromatographic method has been developed for the quantification of Remogliflozin etabonate in tablets. Forced degradation studies were performed, and drug was found to be highly susceptible to acid, base hydrolysis, and oxidative stress degradation and gets converted into active drug Remogliflozin. Both Remogliflozin etabonate and Remogliflozin bands were well resolved. The method was applied for the analysis of drug in tablet formulation, and it can be used for routine quality control analysis, as well as for the analysis of stability samples.



Author(s):  
Ramaswamy Shanmugam ◽  
Kuppuswamy Gowthamarajan ◽  
Lalitha Priyanka Dwarampudi ◽  
Mahendran Bhaskaran ◽  
Madhuri Kadiyala

2021 ◽  
Vol 55 (1) ◽  
pp. 249-255
Author(s):  
Swati Pandey ◽  
Ravindra Pandey ◽  
Shiv Shankar Shukla

2021 ◽  
Vol 11 (1) ◽  
pp. 188-193
Author(s):  
Anusha Kota ◽  
M.V.Kumudha Valli

Author(s):  
Fernanda Fernandes Farias ◽  
Valéria Adriana Pereira Martins ◽  
Helena Miyoco Yano ◽  
Luz Marina Trujillo ◽  
Ernani Pinto

2021 ◽  
Vol 12 (Suppl 1) ◽  

2020 ◽  
Vol 886 ◽  
pp. 173540
Author(s):  
Monika Kubacka ◽  
Anna Rapacz ◽  
Kinga Sałat ◽  
Barbara Filipek ◽  
Agnieszka Cios ◽  
...  

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