Development and Validation of Stability Indicating Assay Method for Simultaneous Estimation of Glibenclamide and Metformin

Author(s):  
Waje M. K. ◽  
Barge V. U. ◽  
Talole B. B.

A high performance reverse phase liquid chromatographic procedure is developed for simultaneous estimation of Metformin and Glibenclamide in combined tablet dosage form. The method was carried out on Agilent Hypersil ODS (4.6 x 250 mm) column with a mobile phase used consisting of Methanol: Water (0.1 % OPA) OPA= Ortho Phosphoric acid (80:20) and the pH of buffer was adjusted to 3 using 2M Orthophosphoric acid. The detection of the combined dosage form was carried out at 228 nm and a flow rate employed was 1 ml/min and column oven temperature at 300C. The retention times of Metformin andGlibenclamide were 3.4667 and 7.3500 minutes respectively. The developed method was validated in terms of accuracy, precision, linearity, limit of detection, limit of quantification as per ICH norms. The proposed method can be used for the estimation of these combined drugs.

Author(s):  
Bhupender Tomar ◽  
Ankita Sharma ◽  
Inder Kumar ◽  
Sandeep Jain ◽  
Pallavi Ahirrao

A simple, precise, and accurate reverse phase high performance liquid chromatographic method (RP-HPLC) was developed and validated for the estimation of the combination of 5- Fluorouracil (5-FU) and Imiquimod in active pharmaceutical ingredients (APIs). The method was carried out on Phenomenex C18 (250 × 4.6mm I.D., 5𝜇m) using isocratic elution mode. The mobile phase was used as Acetonitrile: 10mM potassium dihydrogen orthophosphate: triethylamine (40:59.9:0.1, v/v, pH 4.5 with orthophosphoric acid) and Water: ACN (50:50 v/v) was used as a diluent. The concentration of solvents was 1-20µg/ml and the volume of injection was 20µl with the flow rate of 1.2ml/min. The retention times for 5-FU and Imiquimod were found to be 1.9±0.5 and 6.6±0.5 min respectively. The absorption maxima of 5FU and Imiquimod were found 267nm and 227nm respectively. The method was validated as per ICH guidelines. All the data were found within the specified limits. The limit of detection (LOD) and limit of quantification (LOQ) of 5- Fluorouracil were found to be 0.015μg/mL and 0.048 μg/mL, respectively, and Imiquimod was found to be 0.078μg/mL and 0.237μg/mL, respectively. The method developed in the present study was found to be sensitive, specific, and precise and can be applied for the simultaneous estimation of 5-FU and Imiquimod.


INDIAN DRUGS ◽  
2015 ◽  
Vol 52 (08) ◽  
pp. 12-16
Author(s):  
S Vidyadhara ◽  
◽  
L. S Reddyvalam ◽  
T. Koduri ◽  
P. K. Borra ◽  
...  

A simple, accurate, precise high-performance liquid chromatographic (HPLC) method has been developed and validated for the simultaneous determination of abacavir sulphate (ABA) and lamivudine (LAM) in combined dosage form. Separation was performed on a C18 column [Agilent ODS UG 5 column, 250 mm x 4.5 mm], with methanol: water (50:50 V/V) isocratic elution using a flow rate of 1mL/min. Good sensitivity was observed with UV detection at 277 nm. After method development, the interference of other active compounds and excipients, repeatability and linearity, were investigated. Retention times of LAM and ABA were found to be 3.3 and 6.3 min, respectively. The method was validated over the range from 2.5-12.5 μg/mL for LAM and 5-25 μg/mL for ABA with correlation coefficients of 0.9997 and 0.9996, respectively. This method was shown to be accurate, robust, selective, linear, and repeatable and can be successfully employed in routine quality control for the simultaneous analysis of ABA and LAM in tablets.


Author(s):  
Sunkara Namratha ◽  
Vijayalakshmi A

Objective: Reversed-phase high-performance liquid chromatographic method (RP-HPLC) was developed for the assessment of lopinavir in the dosage form of tablet.Methods: Chromatogram was run through using Kromosil C18 4.5×150 mm using a mobile phase methanol: water of ratio 65:35% v/v with a rate of flow of 0.8 ml/min, measured by UV spectrometric detection at 265 nm. The method developed was validated in terms of precision, accuracy, linearity, and robustness parameters.Results: Retention time of lopinavir established at 2.482 min and percentage R.S.D of lopinavir found to be 1.0% and 0.5%, respectively. The method shows that good linearity range of 30–150 μg correlation coefficient of lopinavir was 0.997. The limit of detection was 2.97 and limit of quantification was 9.92, respectively. The percent purity of lopinavir was 99.87%.Conclusion: The suggested method (Rp-HPLC) for concurrent assay lopinavir was validated, which is appropriate method for the analysis oflopinavir quantitatively in tablet dosage forms and bulk.


Author(s):  
E. Amulya ◽  
N. Naveen Kumar ◽  
CH. Mounika ◽  
V. Kowmudi ◽  
N. Supriya ◽  
...  

A rapid and precise reverse phase high performance liquid chromatographic method has been developed for the validated of Trihexyphenidyl and Haloperidol, in its pure form as well as in tablet dosage form. Chromatography was carried out on a Altima C18 (4.6 x 150mm, 5μm) column using a mixture of Methanol: TEA Buffer pH 4.5: Acetonitrile (50:25:25) as the mobile phase at a flow rate of 1.0ml/min, the detection was carried out at 225 nm. The retention time of the Trihexyphenidyl and Haloperidol was 2.102, 3.537±0.02min respectively. The method produce linear responses in the concentration range of 15-75ppm of Trihexyphenidyland 37.5-187.5ppm of Haloperidol. The method precision for the determination of assay was below 2.0%RSD. The method is useful in the quality control of pharmaceutical formulations.


Author(s):  
R. Anantha Kumar ◽  
G. Raveendra Babu ◽  
Sowjanya M. ◽  
Ramayyappa M.

The intention of this work is to develop a rapid, precise, accurate and sensitive reverse phase liquid chromatographic technique for the simultaneous estimation of Nebivolol and Valsartan in tablet dosage form. The chromatographic method was standardized using Inertsil ODS column (250×4.6mm, 5μm particle size) with UV detection at 278nm and flow rate of 1ml/min. The mobile phase comprises of ACN: Buffer (pH adjusted to 3.5 with dilute Ortho Phosphoric acid) in the fraction of 60:40 v/v. The linearity of proposed method was investigated in the range of 12.5-62.5μg/ml (R²=0.999) for Nebivolol and 200-1000μg/ml(R²=0.999) for Valsartan duly. The limit of detection (LOD) was found to be 0.05μg/ml and 0.81μg/ml for Nebivolol and Valsartan duly. The limit of quantification (LOQ) was found to be 0.15μg/ml and 2.44μg/ml for Nebivolol and Valsartan respectively. The retention time of Nebivolol and Valsartan were ground in to be 4.400min and 2.568min respectively. The method was authentically suggested and % RSD was ground in to be less than 2 indicating high degree of accuracy and precision. Hence proposed method can be successfully graded for the simultaneous estimation of Nebivolol and Valsartan in marketed formulation.


INDIAN DRUGS ◽  
2015 ◽  
Vol 52 (01) ◽  
pp. 20-25
Author(s):  
S. M Samyuktha ◽  
◽  
P. G Prasanthi ◽  
K Mahesh ◽  
B. N Nalluri ◽  
...  

A simple, selective, accurate High Performance Liquid Chromatographic (HPLC) method was developed and validated for the analysis of Fenspiride hydrochloride in bulk and tablet dosage forms. Chromatographic separation was achieved isocratically using a C18 reverse phase column [Inertsil C18 column (250×4.6mm, 5μm)] utilizing a mobile phase containing 10mM Ammonium acetate: Acetonitrile (50:50 v/v) at a flow rate of 1 mL/min. The eluents were monitored at wavelength of 210 nm for a run time of 7 minutes at ambient temperature. The average retention time of the drug was found to be 4.6 minutes. The developed method was validated as per ICH guidelines to ascertain the reproducibility of the method. The method was found to be linear in the concentration range of 10-50 μg/mL with a good correlation coefficient of 0.998. The limit of detection (LOD) and limit of quantification (LOQ) were 0.007 and 0.021 μg/mL and the percentage recovery and assay were found to be 99.315 and 98.97%. Specificity with placebo by 3 D plots showed that the method was specific and free from interfering substances. Therefore, the fully validated method was good enough to carry out routine analysis of Fenspiride in bulk and tablet formulations.


INDIAN DRUGS ◽  
2021 ◽  
Vol 58 (01) ◽  
pp. 76-78
Author(s):  
Kailasa Mangasree ◽  
◽  
Biswabara Roy ◽  
Harunrasheed Shaik ◽  
Manjunath S. Yalagatti ◽  
...  

A reverse phase high performance liquid chromatographic method was developed for simultaneous estimation of gemcitabine and clarithromycin in bulk and tablet dosage form. The method was developed by using acetonitrile: methanol: 50 mM sodium acetate buffer (adjusted to pH-3 with orthophosphoric acid (40:40:20) as a mobile phase at the flow rate of 1mL/min. The retention time was found to be 2.365 and 5.999 minutes, respectively. The method showed linearity in the concentration range 10-50 µg/mL in respect of both drugs. The % RSD was less than 0.4% for gemcitabine and 0.2% for clarithromycin. Mean percentage recovery was found to be 99.63 and 99.69 for gemcitabine and clarithromycin. The tailing factor for gemcitabine and clarithromycin was not less than 0.9 and not more than 1.4 during the robustness study. The average percentage assay was calculated and found to be 99.83 for gemcitabine and 98.89 for charithromycin. The limit of detection and quantification for gemcitabine was found to be 0.41 and 1.79 µg/mL. For Clarithromycin, the value was 0.58 and 1.37 µg/mL respectively.


INDIAN DRUGS ◽  
2012 ◽  
Vol 49 (11) ◽  
pp. 30-35
Author(s):  
P. K Kottu ◽  
◽  
A.P. Gadad ◽  
P. M Dandagi

Objective: The objective of the present work was to design a simple, accurate, economical and reproducible UV spectrophotometric method for the simultaneous estimation of a two-component drug mixture of pioglitazone and glimepiride in the combined tablet dosage form. Methodology: Simultaneous estimation method that involves maximum absorbance (λ max) of Pioglitazone and Glimepiride at 279.0 nm and 238.0 nm, respectively was developed. The proposed method was validated as per ICH guidelines for accuracy, precision, linearity, limit of quantification (LOQ) and limit of detection (LOD). The calibration curves were linear in the concentration range for pioglitazone (r value) and for glimepiride (r value) and were found to obey Beers law in the linear concentration ranges. Statistical analysis and drug recovery data showed that simultaneous estimation method was simple, rapid, economical, sensitive,precise and reproducible. Hence, the proposed method was recommended for routine analysis of pioglitazone and glimepiride in combined tablet dosage form.


2020 ◽  
Vol 11 (4) ◽  
pp. 7878-7884
Author(s):  
Gunturu Raviteja ◽  
Kantipudi Rambabu

With the quantitative analysis of Cidofovir and Famciclovir using a Symmetry C-18 150x4.6mm, 3.5 column with a flow rate of 1ml/min, a novel, quick, and accurate high performance liquid chromatographic method have been developed. The buffer is made up of 1 mL formic acid dissolved in 1 litre HPLC water, and the mobile step is made up of a 60:40 mixture of two components: Buffer and Acetonitrile. The detection was done at a wavelength of 250nm. With 8 minutes of run time, the Cidofovir and Famciclovir peaks were split, with the Cidofovir peak eluted at 2.8 minutes and the Famciclovir peak eluted at 6.4 minutes, respectively. In the concentration ranges of 7.5 g/ml to 112.5 g/ml for Cidofovir and 25 g/ml to 375 g/ml for Famciclovir, the proposed method shows strong linearity. The results of the precision and recovery studies range from 98 to 102 percent. The percent RSD in all robustness conditions is less than 2.0 percent. In stressful conditions, deterioration has a limited impact, and solutions remain stable for 24 hours. The parameters of precision, accuracy, specificity, stability, robustness, linearity, limit of detection, and limit of quantification were evaluated and found to be within the appropriate range when the method was developed and validated according to ICH guidelines.


2020 ◽  
Vol 10 (5) ◽  
pp. 143-148
Author(s):  
T. Hanuman ◽  
T. Sivakkumar ◽  
S. Sridhar

A simple, specific and accurate reverse phase high performance liquid chromatographic method was developed for the simultaneous determination Sofosbuvir and Velpatasvirin pharmaceutical dosage form. The column used was Kromosil C18(150mm x 4.6 mm, 5mm)in isocratic mode, with mobile phase containing phosphate buffer andacetonitrile(70:30v/v). The buffer is prepared by adding 1.41gm of sodium dihyrogen ortho phosphate in a 1000ml of volumetric flask add about 900ml of milli-Q water added and degas to sonicate and finally make up the volume with water then pH adjusted to 3.5 with dil. orthophosphoric acid solution. The flow rate was 1.0ml/ min and effluents were monitored at 260 nm. The retention times of Sofosbuvir and Velpatasvirwere found to be 2.404min and 2.986 min, respectively. The linearity for Sofosbuvir and Velpatasvirwere in the range of 40-240µg/ml and 10-60 µg/ml respectively. The recoveries of Sofosbuvir and Velpatasvirwere found to be 99.64% and 99.25%, respectively. The proposed method was validated and successfully applied to the estimation of Sofosbuvir and Velpatasvirin combined tablet dosage forms. Keywords: Sofosbuvir, Velpatasvir, Validation, Buffer and ICH Guidelines.


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