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Lv J, Yu J, Zeng X, Zeng X, Li Y, He D, Lin Y. Isolation, structure elucidation, and high‐performance liquid chromatography quantification of photolytic degradation impurities in acrivastine. J Sep Sci 2022; 45:3480-3490. [DOI: 10.1002/jssc.202200315] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 07/03/2022] [Accepted: 07/17/2022] [Indexed: 11/08/2022]
Affiliation(s)
- Jun‐Jiang Lv
- Chongqing Engineering Research Center of Pharmaceutical Sciences Chongqing Medical and Pharmaceutical College Chongqing 401331 P. R. China
- School of pharmacy Chongqing Medical and Pharmaceutical College Chongqing 401331 P. R. China
| | - Jia Yu
- Chongqing Engineering Research Center of Pharmaceutical Sciences Chongqing Medical and Pharmaceutical College Chongqing 401331 P. R. China
| | - Xiao‐Yan Zeng
- Chongqing Engineering Research Center of Pharmaceutical Sciences Chongqing Medical and Pharmaceutical College Chongqing 401331 P. R. China
| | - Xue Zeng
- Chongqing Engineering Research Center of Pharmaceutical Sciences Chongqing Medical and Pharmaceutical College Chongqing 401331 P. R. China
| | - Yan Li
- Chongqing Engineering Research Center of Pharmaceutical Sciences Chongqing Medical and Pharmaceutical College Chongqing 401331 P. R. China
- School of pharmacy Chongqing Medical and Pharmaceutical College Chongqing 401331 P. R. China
| | - Dong‐Xian He
- Chongqing Engineering Research Center of Pharmaceutical Sciences Chongqing Medical and Pharmaceutical College Chongqing 401331 P. R. China
- School of pharmacy Chongqing Medical and Pharmaceutical College Chongqing 401331 P. R. China
| | - Yi‐Min Lin
- Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment Chongqing University Cancer Hospital Chongqing 400030 China
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Velip L, Dhiman V, Kushwah BS, Golla VM, Gananadhamu S. Identification and characterization of urapidil stress degradation products by LC-Q-TOF-MS and NMR: Toxicity prediction of degradation products. J Pharm Biomed Anal 2022; 211:114612. [DOI: 10.1016/j.jpba.2022.114612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 01/13/2022] [Accepted: 01/21/2022] [Indexed: 10/19/2022]
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Dhiman V, Patil K, Velip L, Talluri MVNK, Gananadhamu S. Comprehensive degradation profiling and influence of different oxidizing reagents on tinoridine hydrochloride: Structural characterization of its degradation products using HPLC and HRMS. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2022; 36:e9210. [PMID: 34619000 DOI: 10.1002/rcm.9210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 09/17/2021] [Accepted: 10/03/2021] [Indexed: 06/13/2023]
Abstract
RATIONALE Stress testing on tinoridine hydrochloride was carried out using a multidimensional approach. This included different conditions: hydrolytic (acidic, alkaline, and neutral conditions), different oxidative reagents, thermal, photolytic conditions, HPLC method development, and structural elucidation using high-resolution mass spectrometry (HRMS). It provides the basis for quality control of tinoridine hydrochloride and its derivatives during storage conditions. METHODS The tinoridine hydrochloride was subjected to a variety of stress conditions. A gradient reversed-phase HPLC method was developed on a X-Bridge C18 column (250 × 4.6 mm, 5 μm) to separate all the degradation products (DPs). HRMS studies have been performed to elucidate the structure of DPs. RESULTS HPLC-PDA study revealed that significant degradation products were formed in hydrolytic, AIBN (radical initiator at 40°C), thermal, and solid-state photolight stress conditions, but the drug was stable under oxidative conditions (H2 O2, Fenton's reagent at room temperature and ferric chloride at 40°C). The structure of degradation products was elucidated, and mechanism of their formation was explained. CONCLUSION Stress study was successfully carried out as per ICH Q1A (R2) guideline on tinoridine hydrochloride. A total of six new degradation products were characterized, DP 2 and DP 6 formed by the effect of co-solvent. This study provides the scientifically sound basis for quality monitoring and storage conditions of tinoridine hydrochloride.
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Affiliation(s)
- Vivek Dhiman
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Balanagar, India
| | - Kanchan Patil
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Balanagar, India
| | - Laximan Velip
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Balanagar, India
| | - M V N Kumar Talluri
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Balanagar, India
| | - Samanthula Gananadhamu
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Balanagar, India
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Ladumor MK, Paudel A, Modhave D, Sharma S, Balhara A, Singh DK, Ramalingam M, Shah R, Pavankumarraju S, Kurmi M, Mariappan TT, Bhutani H, Prasad B. A Tribute to Professor Saranjit Singh - A Critical Thinker, Innovator, Mentor, and Educator. J Pharm Sci 2021; 111:1224-1231. [PMID: 34699842 DOI: 10.1016/j.xphs.2021.10.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 10/21/2021] [Accepted: 10/21/2021] [Indexed: 11/26/2022]
Abstract
This commentary presents contributions and accomplishments of Professor Saranjit Singh, National Institute of Pharmaceutical Education and Research (NIPER), SAS Nagar, India, to pharmaceutical research and education. Prof. Singh completed his successful tenure in October 2021. Over his 40+ years of illustrious academic career, he trained 147 Masters and 15 PhD students in the fields of drug stability testing, degradation chemistry, impurity and metabolite characterization, and advanced analytical technologies. He has published ∼250 research articles, reviews, editorials, patent, book, and book chapters, and received numerous awards, including the Professor M.L. Khorana Memorial Lecture Award from the Indian Pharmaceutical Association (IPA) and the Outstanding Analyst and Eminent Analyst awards from the Indian Drug Manufacturers' Association (IDMA). This commentary highlights Prof. Singh's inspiring personal and renowned professional journey, including early life, education, career, accomplishments, as well as his services to academia, industry, and regulatory. By sharing the contributions and accomplishments of Prof. Singh, we strongly believe that his story will inspire the next generation of scientists to continue his legacy to advance the field.
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Affiliation(s)
- Mayur K Ladumor
- Department of Pharmaceutics, University of Washington, Seattle, WA
| | - Amrit Paudel
- Institute of Process and Particle Engineering, Graz University of Technology, Inffeldgasse 13, 8010 Graz, Austria
| | | | - Sheena Sharma
- Department of Pharmaceutical Sciences, Washington State University, Spokane, WA
| | - Ankit Balhara
- Department of Pharmaceutics, University of Washington, Seattle, WA
| | - Dilip K Singh
- Sandoz Development Center, Hyderabad, Telangana, India
| | | | - Ravi Shah
- National Institute of Pharmaceutical Education and Research, Ahmedabad, Gujarat, India
| | | | - Moolchand Kurmi
- Biocon Bristol Myers Squibb R&D Centre (BBRC), Synegene International Limited, Bangalore 560099, India
| | - T Thanga Mariappan
- Biocon Bristol Myers Squibb R&D Centre (BBRC), Synegene International Limited, Bangalore 560099, India; Bristol Myers Squibb (BMS), Bangalore, India.
| | - Hemant Bhutani
- Novartis Healthcare Private Limited, Hyderabad, Telangana, India.
| | - Bhagwat Prasad
- Department of Pharmaceutical Sciences, Washington State University, Spokane, WA.
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Dhiman V, Balhara A, Singh S, Tiwari S, Gananadhamu S, Talluri MVNK. Characterization of stress degradation products of nintedanib by UPLC, UHPLC-Q-TOF/MS/MS and NMR: Evidence of a degradation product with a structure alert for mutagenicity. J Pharm Biomed Anal 2021; 199:114037. [PMID: 33836462 DOI: 10.1016/j.jpba.2021.114037] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Revised: 03/20/2021] [Accepted: 03/22/2021] [Indexed: 12/17/2022]
Abstract
Nintedanib is an anti-cancer drug used for the treatment of idiopathic pulmonary fibrosis and non-small cell lung cancer. The purpose of this study was to explore its degradation chemistry under various stress conditions recommended in ICH guidelines Q1A R(2). The drug was subjected to hydrolytic, photolytic, thermal and oxidative (H2O2, AIBN, FeCl3 and FeSO4) stress conditions. The degradation products formed in stressed solutions were successfully separated on an ACQUITY UPLC CSH C18 (2.1 × 100 mm, 1.7 μm) column, using a gradient UPLC-PDA method, developed with acetonitrile:methanol (90:10) and 0.1 % formic acid (pH 3.0) as the mobile phase. The drug proved to be labile to acidic, neutral and alkaline hydrolytic, and H2O2/AIBN oxidative conditions. It was stable to photolytic and thermal stress conditions, and even in oxidative reaction solutions containing FeCl3 or FeSO4. Additionally, the drug exhibited instability when its powder with added sodium bicarbonate was stored at 40 °C/75 % RH for 3 months. In total, nine degradation products (DPs 1-9) were formed. To characterize them, a comprehensive mass fragmentation pathway of the drug was first established using UHPLC-Q-TOF/MS/MS data. Similarly, the mass studies were then carried out on the stressed samples using the developed UPLC method. All the degradation products were primarily characterized through comparison of their mass fragmentation profiles with that of the drug. To confirm the structure in one case (DP 3), additional nuclear magnetic resonance (NMR) studies were carried out on the isolated product. Subsequently, mechanisms for their formation were laid down. A significant finding was the formation of a degradation product upon acid hydrolysis having a free aromatic amine moiety, which is considered as a structural alert for mutagenicity. Furthermore, the physicochemical and ADMET properties of the drug and its degradation products were predicted using ADMET predictor™ software.
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Affiliation(s)
- Vivek Dhiman
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), IDPL R&D Campus, Balanagar, Hyderabad, 500037, Telangana, India
| | - Ankit Balhara
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S.A.S. Nagar, 160062, Punjab, India
| | - Saranjit Singh
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S.A.S. Nagar, 160062, Punjab, India
| | - Shristy Tiwari
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), IDPL R&D Campus, Balanagar, Hyderabad, 500037, Telangana, India
| | - Samanthula Gananadhamu
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), IDPL R&D Campus, Balanagar, Hyderabad, 500037, Telangana, India
| | - M V N Kumar Talluri
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), IDPL R&D Campus, Balanagar, Hyderabad, 500037, Telangana, India.
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Singh DK, Sahu A, Balhara A, Giri S, Singh S. Insights into the degradation chemistry of tazarotene, a third generation acetylenic retinoid: LC-HRMS (Orbitrap), LC-MS n and NMR characterization of its degradation products, and prediction of their physicochemical and ADMET properties. J Pharm Biomed Anal 2020; 186:113316. [PMID: 32413825 DOI: 10.1016/j.jpba.2020.113316] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 04/13/2020] [Accepted: 04/13/2020] [Indexed: 02/02/2023]
Abstract
Tazarotene is a prodrug that belongs to the acetylenic class of retinoids. The drug was subjected to hydrolytic, oxidative and photolytic stress testing to establish its comprehensive degradation chemistry. The drug proved to be unstable under acidic and basic hydrolytic conditions, yielding tazarotenic acid, which is a known major degradation product (DP) and an active metabolite. Additionally, two DPs each were generated upon interaction of drug and tazarotenic acid with HCl, used as an acid stressor. These were experimentally proven as pseudo DPs, as they did not originate when H2SO4 was employed as the stressor. The drug was also unstable under oxidative and photolytic conditions, yielding six DPs. All the products were separated on reversed phase (C18) column, using mobile phase composed of 10 mM ammonium formate (pH 3.5) and acetonitrile, which was run in a gradient mode. The separated DPs were subjected to LC-HRMS and LC-MSn studies for their initial characterization. Seven hydrolytic and oxidative DPs that could be isolated using semi-preparative column were subjected to extensive 1D (1H, 13C and DEPT-135) and 2D (COSY, HSQC and HMBC) NMR studies to confirm their structures. In total, five novel DPs were characterized, apart from two previously reported DPs, viz., tazarotenic acid and tazarotene sulfoxide, and four additional pseudo DPs. The complete degradation pathway of the drug was established. In silico ADMET properties of the drug and its DPs were evaluated using ADMET Predictor™.
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Affiliation(s)
- Dilip Kumar Singh
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S. A. S. Nagar 160 062, Punjab, India
| | - Archana Sahu
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S. A. S. Nagar 160 062, Punjab, India
| | - Ankit Balhara
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S. A. S. Nagar 160 062, Punjab, India
| | - Sanjeev Giri
- DMPK and Pharmaceutical Development, Aurigene Discovery Technologies Limited, Hyderabad, 500 049, Telangana, India
| | - Saranjit Singh
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S. A. S. Nagar 160 062, Punjab, India.
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Tiwari SK, Singh DK, Ladumor MK, Chakraborti AK, Singh S. Study of degradation behaviour of montelukast sodium and its marketed formulation in oxidative and accelerated test conditions and prediction of physicochemical and ADMET properties of its degradation products using ADMET Predictor™. J Pharm Biomed Anal 2018; 158:106-118. [DOI: 10.1016/j.jpba.2018.05.040] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Accepted: 05/22/2018] [Indexed: 02/07/2023]
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Yi F, Li L, Xu LJ, Meng H, Dong YM, Liu HB, Xiao PG. In silico approach in reveal traditional medicine plants pharmacological material basis. Chin Med 2018; 13:33. [PMID: 29946351 PMCID: PMC6006786 DOI: 10.1186/s13020-018-0190-0] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 06/12/2018] [Indexed: 02/07/2023] Open
Abstract
In recent years, studies of traditional medicinal plants have gradually increased worldwide because the natural sources and variety of such plants allow them to complement modern pharmacological approaches. As computer technology has developed, in silico approaches such as virtual screening and network analysis have been widely utilized in efforts to elucidate the pharmacological basis of the functions of traditional medicinal plants. In the process of new drug discovery, the application of virtual screening and network pharmacology can enrich active compounds among the candidates and adequately indicate the mechanism of action of medicinal plants, reducing the cost and increasing the efficiency of the whole procedure. In this review, we first provide a detailed research routine for examining traditional medicinal plants by in silico techniques and elaborate on their theoretical principles. We also survey common databases, software programs and website tools that can be used for virtual screening and pharmacological network construction. Furthermore, we conclude with a simple example that illustrates the whole methodology, and we present perspectives on the development and application of this in silico methodology to reveal the pharmacological basis of the effects of traditional medicinal plants.
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Affiliation(s)
- Fan Yi
- Key Laboratory of Cosmetic, China National Light Industry, Beijing Technology and Business University, No. 11/33, Fucheng Road, Haidian District, Beijing, 100048 People’s Republic of China
- Beijing Key Laboratory of Plant Resources Research and Development, Beijing Technology and Business University, No. 11/33, Fucheng Road, Haidian District, Beijing, 100048 People’s Republic of China
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 151 Malianwa North Road, Haidian District, Beijing, 100193 People’s Republic of China
| | - Li Li
- Key Laboratory of Cosmetic, China National Light Industry, Beijing Technology and Business University, No. 11/33, Fucheng Road, Haidian District, Beijing, 100048 People’s Republic of China
- Beijing Key Laboratory of Plant Resources Research and Development, Beijing Technology and Business University, No. 11/33, Fucheng Road, Haidian District, Beijing, 100048 People’s Republic of China
| | - Li-jia Xu
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 151 Malianwa North Road, Haidian District, Beijing, 100193 People’s Republic of China
| | - Hong Meng
- Key Laboratory of Cosmetic, China National Light Industry, Beijing Technology and Business University, No. 11/33, Fucheng Road, Haidian District, Beijing, 100048 People’s Republic of China
- Beijing Key Laboratory of Plant Resources Research and Development, Beijing Technology and Business University, No. 11/33, Fucheng Road, Haidian District, Beijing, 100048 People’s Republic of China
| | - Yin-mao Dong
- Key Laboratory of Cosmetic, China National Light Industry, Beijing Technology and Business University, No. 11/33, Fucheng Road, Haidian District, Beijing, 100048 People’s Republic of China
- Beijing Key Laboratory of Plant Resources Research and Development, Beijing Technology and Business University, No. 11/33, Fucheng Road, Haidian District, Beijing, 100048 People’s Republic of China
| | - Hai-bo Liu
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 151 Malianwa North Road, Haidian District, Beijing, 100193 People’s Republic of China
| | - Pei-gen Xiao
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 151 Malianwa North Road, Haidian District, Beijing, 100193 People’s Republic of China
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Critical review on establishment and availability of impurity and degradation product reference standards, challenges faced by the users, recent developments, and trends. Trends Analyt Chem 2018. [DOI: 10.1016/j.trac.2017.10.021] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Thummar M, Patel PN, Kushwah BS, Samanthula G. Application of the UHPLC method for separation and characterization of major photolytic degradation products of trazodone by LC-MS and NMR. NEW J CHEM 2018. [DOI: 10.1039/c8nj03545h] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This article is about the characterization of degradation products of trazodone which is used in the treatment of depression.
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Affiliation(s)
- Mohit Thummar
- Department of Pharmaceutical Analysis
- National Institute of Pharmaceutical Education and Research (NIPER)
- Balanagar
- Hyderabad
- India
| | - Prinesh N. Patel
- Department of Pharmaceutical Analysis
- National Institute of Pharmaceutical Education and Research (NIPER)
- Balanagar
- Hyderabad
- India
| | - Bhoopendra Singh Kushwah
- Department of Pharmaceutical Analysis
- National Institute of Pharmaceutical Education and Research (NIPER)
- Balanagar
- Hyderabad
- India
| | - Gananadhamu Samanthula
- Department of Pharmaceutical Analysis
- National Institute of Pharmaceutical Education and Research (NIPER)
- Balanagar
- Hyderabad
- India
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