ANALYTICAL METHOD DEVELOPMENT AND VALIDATION FOR EVALUATING THE STABILITY PARAMETERS FOR THE SIMULTANEOUS ESTIMATION OF CLOPIDOGREL BISULPHATE AND OMEPRAZOLE USING RP-HPLC

INDIAN DRUGS ◽  
2016 ◽  
Vol 53 (01) ◽  
pp. 60-67
Author(s):  
J. B Nagavi ◽  
◽  
B. M. Gurupadayya
Keyword(s):  
High Performance ◽  
Method Development ◽  
Degradation Products ◽  
High Performance Liquid Chromatographic ◽  
Stress Conditions ◽  
Simultaneous Estimation ◽  
Stability Parameters ◽  
Ich Guidelines ◽  
The Stability ◽  
Neutral Conditions

A simple, sensitive, accurate and specific stability-indicating high-performance liquid chromatographic method was developed and validated for the simultaneous estimation of clopidogrel bisulphate and omeprazole in bulk. Extensive testing of clopidogrel bisulphate and omeprazole in different stress conditions were carried out as per the ICH guidelines Q1A (R2) Clopidogrel bisulphate and omeprazole was exposed to various stress conditions like oxidation, hydrolysis, photolysis and neutral decomposition. Clopidogrel bisulphate, which was found to degrade considerably in acidic and photo conditions, was found to be stable in alkaline and neutral conditions, whereas omeprazole was found to be degrading in alkaline, oxidative and photo conditions, but stable in acidic and neutral condition. Apart from the formation of minor degraded products under accelerated conditions, the drugs were reasonably stable in solid state. A good linear relationship over the concentration range of 50-500μg/mL was shown. Validation of the method was carried out as per the ICH guidelines. The method developed was found to be specific, selective, precise and accurate. Clopidogrel bisulphate showed degradation in 5M hydrochloric acid at 80oC, in 3% hydrogen peroxide for 5min the drug showed around 35% of degradation, when exposed to sunlight for 15 min, forming around 25-30% of degradation products. Omeprazole showed 15-18% degradation in alkaline and photo condition.Statistical analysis shows that the method is reproducible and selective for the estimation of clopidogrel bisulphate and omeprazole in dosage form.

High Performance HPLC-UV Method Development and Validation for Sulfadoxine from its Potential Interfering Impurities

2021 ◽  
Vol 08 ◽  
Author(s):  
Nayan S. Gadhari ◽  
Jayram V. Gholave ◽  
Suyog S. Patil ◽  
Ajay R. Patil ◽  
Kiran F. Shelke ◽  
...  
Keyword(s):  
Mobile Phase ◽  
High Performance ◽  
Method Development ◽  
Degradation Products ◽  
Drug Product ◽  
Ich Guidelines ◽  
Daunting Task ◽  
Method Development And Validation ◽  
The Stability ◽  
Development And Validation

Objective: To address the separation of interfering potential impurities associated with the drug is always a daunting task. We present the method validation and quantitative determination of sulfadoxine (SUL), an anti-malarial drug with most important interfering impurities present pharmaceutical dosages and in bulk samples using HPLC-UV method. Methods: The UV detection was obtained at 270 nm and SUL is separated on Sunfire C18 (25 cm x 4.6 mm x 5 µ m) column at 45°C with flow rate of 1.0 mL/min in a mobile phase (CH3COOH:CH3CN). The stress testing (acidic/basic/oxidative) was performed using HPLC for SUL and its impurities showing the highly efficient separation peaks between degradant and drug product. Results: The developed method was found to be highly accurate and sensitive in regulation with ICH guidelines. Also, it was found to be free from interference from degradation products which allows the stability indicating capability of developed HPLC-UV method for SUL for validation in bulk drugs. Conclusion: The main advantages of the present method; (a) Separation achieved in 30 minutes, (b) MS compatible mobile phase renders this developed method can be directly adapted to LC-MS without any major modifications in near future, and (c) separation of twelve impurities on Sunfire C18 column. The CFs (correction factors) had been calculated for all the impurities. It was found to be 1.6 (IMP IX), 1.70 (IMP XI) and in between 0.8-1.3 for all other impurities. The LOD of the developed method for all the analytes were in the range of 0.05 to 0.11 μg/mL and the LOQ values were in the range of 0.17 to 0.36 μg/mL.

scholarly journals DEVELOPMENT AND VALIDATION OF RP-HPLC METHOD FOR SIMULTANEOUS ESTIMATION OF CURCUMIN AND PIPERINE

2018 ◽  
Vol 10 (5) ◽  
pp. 43
Author(s):  
Ankita Khismatrao ◽  
Srinivas Bhairy ◽  
Rajashree Hirlekar
Keyword(s):  
High Performance ◽  
Method Development ◽  
Pharmaceutical Formulations ◽  
High Performance Liquid Chromatographic ◽  
Hplc Method ◽  
Simultaneous Estimation ◽  
Ich Guidelines ◽  
Phase Combination ◽  
Development And Validation ◽  
Liquid Chromatographic

Objective: The present study was aimed to develop a simple, sensitive and precise high performance liquid chromatographic (HPLC) method for the simultaneous estimation of curcumin and piperine and to implement the developed method for the estimation of curcumin and piperine in the nanoparticulate formulation.Methods: Method development was performed using various solvent, buffer-solvent ratios, at different flow rates for adequate separation of both drugs. The developed method was validated in accordance with the international conference on harmonization (ICH) guidelines. The developed method was implemented to estimate the amount of curcumin and piperine in the nanoparticulate formulation.Results: Chromatographical conditions were optimized, and the best chromatographical conditions with adequate resolution for curcumin and piperine was achieved using enable C18G reverse phase column, using a mobile phase combination of acetonitrile and phosphate buffer (pH 3)in a ratio of 70:30 v/v at a flow rate of 1.0 ml/min. The detection was monitored at a wavelength of 360 nm. The retention time of curcumin and piperine was found to be 7.2 min and 8.5 min respectively.Conclusion: The developed analytical method is simple, precise, and reproducible and thus can be used for simultaneous estimation of curcumin and piperine in pharmaceutical formulations.

scholarly journals Development and Validation of Q-Absorbance Ratio by UV-Spectrophotometric Method for Simultaneous Estimation of Metformin and Empagliflozin in Bulk and Combined Dosage Form

2021 ◽  
Vol 11 (2-S) ◽  
pp. 14-18
Author(s):  
Pushpendra Sharma ◽  
Srinivasarao Kosanam ◽  
Surendra Singh Rao
Keyword(s):  
Spectrophotometric Method ◽  
High Performance ◽  
Dosage Form ◽  
Method Development ◽  
Degradation Products ◽  
High Performance Liquid Chromatographic ◽  
Simultaneous Estimation ◽  
Absorbance Ratio ◽  
Simultaneous Stability ◽  
Liquid Chromatographic

Advantages of simultaneous stability studies are the identification of new degradation products, to understand mutual induction and/or inhibition of rates of degradation and to analyze the degradation products of both drugs. Various ultraviolet spectroscopic and high performance liquid chromatographic assay methods were reported for the estimation of metformin, sitagliptin, pioglitazone, glimepiride and simvastatin individually and in combination with other drugs. All the above reported methods were based on the estimation of metformin, sitagliptin, pioglitazone, glimepiride and simvastatin alone or in combination with other drugs. The degradation products were generated and successfully separated by the developed and validated high performance liquid chromatographic methods for the estimation of the selected anti-diabetic drug combinations. The aim of the study was to develop and validate of Q-Absorbance Ratio UV-Spectrophotometric Method for Simultaneous Estimation of Metformin and Empagliflozin in Bulk and Combined Dosage Form. Keywords: Metformin, Method Development, Validation, Empagliflozin, UV-Spectrophotometer.

Development and Validation of the Analytical method for the estimation of a combination of 5-fluorouracil and Imiquimod by RP-HPLC

2021 ◽  
pp. 3313-3318
Author(s):  
Bhupender Tomar ◽  
Ankita Sharma ◽  
Inder Kumar ◽  
Sandeep Jain ◽  
Pallavi Ahirrao
Keyword(s):  
High Performance ◽  
Limit Of Detection ◽  
High Performance Liquid Chromatographic ◽  
Simultaneous Estimation ◽  
Limit Of Quantification ◽  
Pharmaceutical Ingredients ◽  
Rp Hplc ◽  
Ich Guidelines ◽  
Development And Validation ◽  
Liquid Chromatographic

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.

ANALYTICAL METHOD DEVELOPMENT AND VALIDATION FOR THE SIMULTANEOUS ESTIMATION OF ABACAVIR SULPHATE AND LAMIVUDINE IN TABLET DOSAGE FORM BY RP-HPLC

INDIAN DRUGS ◽  
2015 ◽  
Vol 52 (08) ◽  
pp. 12-16
Author(s):  
S Vidyadhara ◽  
◽  
L. S Reddyvalam ◽  
T. Koduri ◽  
P. K. Borra ◽  
...  
Keyword(s):  
High Performance ◽  
Dosage Form ◽  
Method Development ◽  
Correlation Coefficients ◽  
High Performance Liquid Chromatographic ◽  
Hplc Method ◽  
Simultaneous Estimation ◽  
Development And Validation ◽  
Tablet Dosage ◽  
Liquid Chromatographic

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.

scholarly journals RP-HPLC Method Development and Validation for Simultaneous Estimation of Clarithromycin and Paracetamol

2013 ◽  
Vol 2013 ◽  
pp. 1-5 ◽  
Author(s):  
Sadana Gangishetty ◽  
Surajpal Verma
Keyword(s):  
High Performance ◽  
Method Development ◽  
Hplc Method ◽  
Simultaneous Estimation ◽  
Uv Detector ◽  
Rp Hplc ◽  
Ich Guidelines ◽  
Hplc Method Development ◽  
Development And Validation

The present work describes a simple, rapid, and reproducible reverse phase high performance liquid chromatography (RP-HPLC) method for the simultaneous estimation of clarithromycin (CLA) and paracetamol (PCM). C18 column (Kromasil ODS, 5 µm, 250 × 4.6 mm) and a mobile phase containing phosphate buffer (0.05 M) along with 1-octane sulphonic acid sodium salt monohydrate (0.005 M) adjusted to pH 3.2: acetonitrile (50 : 50 v/v) mixture was used for the separation and quantification. The flow rate was 1.0 mL/min and the eluents were detected by UV detector at 205 nm. The retention times were found to be 2.21 and 3.73 mins, respectively. The developed method was validated according to ICH guidelines Q2 (R1) and found to be linear within the range of 75–175 µg/mL for both drugs. The developed method was applied successfully for assay of clarithromycin and paracetamol in their combined in-house developed dosage forms and in vitro dissolution studies.

scholarly journals Stability indicating method development and validation for simultaneous estimation of atorvastatin calcium and celecoxib in bulk and niosomal formulation by RP-HPLC

2015 ◽  
Vol 51 (3) ◽  
pp. 653-661 ◽  
Author(s):  
Priyanka S. Jadhav ◽  
Priti M. Jamkar ◽  
Amelia M. Avachat
Keyword(s):  
High Performance ◽  
Method Development ◽  
High Performance Liquid Chromatographic ◽  
Simultaneous Estimation ◽  
Atorvastatin Calcium ◽  
Stability Indicating ◽  
Stability Indicating Method ◽  
Bulk Drug ◽  
Development And Validation ◽  
Liquid Chromatographic

The present work describes development and validation of a specific, sensitive, precise and stability-indicating high-performance liquid chromatographic method of analysis of atorvastatin calcium and celecoxib, both as a bulk drug and in niosomal formulation. The analysis has been performed by using Cosmosil-C18 column (4.6 mm´250 mm, 5 m) at 25 °C using acetonitrile: ammonium acetate buffer pH 5.0: methanol (50:25:25 v/v/v) as mobile phase. The detection was carried out at 277nm with a flow rate of 1.0mL/min. The retention times of Atorvastatin calcium and Celecoxib were 6.195 and 3.989min, respectively. The method was validated according to ICH guidelines, for specificity, precision, linearity, accuracy and robustness. Atorvastatin calcium and Celecoxib were subjected to stress conditions of hydrolysis, oxidation, photolysis and thermal degradation. The degradation was observed in oxidation and acid hydrolysis. The linearity for atorvastatin calcium and celecoxib were in the range of 100-500 µg/mL. The recovery study of atorvastatin and celecoxib were found to be in the range of 98.96 - 99.92% and 98.90-100%, respectively. The proposed method was validated and successfully applied to the estimation of Atorvastatin calcium and Celecoxib in combined in-house niosomal formulation.

scholarly journals Degradation Studies of Lacidipine: Identification, Isolation and Structural Characterization of Stress Degradation Products using LCMS, Mass mediated Prep-HPLC, NMR and HRMS

2021 ◽  
Vol 33 (6) ◽  
pp. 1341-1350
Author(s):  
K.V.K. Mohan Pulletikurthi ◽  
S.S.K. Chakravarthy Kotha ◽  
Raju Doddipalla ◽  
Chidananda Swamy Rumalla ◽  
Muralidharan Kaliyaperumal ◽  
...  
Keyword(s):  
Mass Spectrometer ◽  
Degradation Products ◽  
Gradient Elution ◽  
Stress Conditions ◽  
Drug Degradation ◽  
Ich Guidelines ◽  
Oxidative Condition ◽  
Stress Degradation ◽  
The Stability

The stability of lacidipine drug under stress conditions and the identification of the degradation products, according to ICH guidelines Q1A (R2) were investigated in the hydrolytic and oxidative stress conditions. The drug degradation occurred under hydrolytic conditions like (acidic and basic) while it was stable in the oxidative condition. Three degradation products were formed under acidic condition and one degradation product was formed under basic condition, which was separated by using APMS (Auto Purification Mass Spectrometer) and gradient elution with C18 column. The four degradants have not been characterized earlier and in the present study all the structures were established and characterized using NMR spectroscopy (1D and 2D) and HRMS (high resolution mass spectrometer).

scholarly journals RP-HPLC method development and validation for simultaneous estimation of Cilnidipine, Atenolol and Chlorthalidone

2018 ◽  
Vol 8 (6-s) ◽  
pp. 78-82 ◽  
Author(s):  
Vishal Singh Solanki ◽  
RAM SINGH BISHNOI ◽  
Raviraj Baghel ◽  
Deepti Jain
Keyword(s):  
High Performance ◽  
Chromatographic Method ◽  
Method Development ◽  
High Performance Liquid Chromatographic ◽  
Hplc Method ◽  
Simultaneous Estimation ◽  
Good Resolution ◽  
Rp Hplc ◽  
Tablet Dosage ◽  
Liquid Chromatographic

A simple precise and economical reverse phase high performance liquid chromatographic method has been developed and validated for the simultaneous estimation of Cilnidipine (CDP), Atenolol (ATL) and Chlorthalidone (CTD).The chromatographic separation was achieved by using Hypersil- keystone C18 (4.6 x 250mm, 5μm) under isocratic conditions The mobile phase consisted of methanol and triple distilled water (80/20, v/v) having pH 7 with a flow rate of 1.0 mL/min. The eluents were monitored at 225 nm for simultaneous measurement.The selected chromatographic conditions were found to effectively separate CDP (Rt: 3.25 min), ATL (Rt: 5.366 min) and CTD (Rt: 9.025 min) having good resolution. The developed method was validated for linearity, accuracy, precision, LOD, LOQ, robustness and for system suitability parameters as per ICH guidelines. In this study, an excellent linearity was obtained with r2 = 0.999, r² = 0.999, r² = 1, for CDP, ATL and CTD respectively. The developed chromatographic method proved to be simple, precise, accurate, robust and reproducible Thus, this method would be employed for routine simultaneous quantification of CDP, ATL and CTD in bulk form or tablet dosage form.   Keywords: Cilnidipine, Atenolol and Chlorthalidone, RP-HPLC.

scholarly journals RP-HPLC method development and validation for simultaneous estimation of efonidipine hydrochloride ethanolate and telmisartan in their synthetic mixture

2021 ◽  
pp. 190-195
Author(s):  
Grishma H Patel ◽  
Shreya D Adeshra ◽  
Dhananjay B Meshram
Keyword(s):  
Mobile Phase ◽  
High Performance ◽  
Method Development ◽  
High Performance Liquid Chromatographic ◽  
Reversed Phase ◽  
Hplc Method ◽  
Simultaneous Estimation ◽  
Quality Control Laboratory ◽  
Efficient Option ◽  
Liquid Chromatographic

A Novel, selective, accurate and rapid Reversed Phase High Performance Liquid Chromatographic (RPHPLC) method for the analysis of Efonidipine Hydrochloride Ethanolate and Telmisartan in binary mixture has been developed and validated. The chromatographic system consisted of a Phenomenex Kinetex ® 5µ C18 Size: 150 * 4.6mm column and the separation was achieved by using ambient temperature with a mobile phase containing mobile Phase Acetonitrile:25mM Phosphate Buffer pH 4.9 (45:55). The samples were monitored at 253 nm for detection at a flow rate of 1.0 mL/min and the retention time was about 7.77 and 4.10 mins for Efonidipine Hydrochloride Ehanolate and Telmisartan respectively. The calibration curve was linear over the concentration range 5-30 and 10-60 ?g/mL for Efonidipine Hydrochloride Ehanolate and Telmisartan respectively. The proposed method is accurate in the range of 99.75% - 100.10% recovery and precise (%RSD of intraday variation and % RSD of inter day variation were found to be within the acceptance criteria). Therefore, this method can be used as a more convenient and efficient option for the analysis of Efonidipine Hydrochloride Ehanolate and Telmisartan in Quality control laboratory.

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