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Bisen AC, Mishra A, Agrawal S, Sanap SN, Biswas A, Verma SK, Bhatta RS. Codetermination of antimicrobial agents in rabbit tear fluid using LC-MS/MS assay: Insights into ocular pharmacokinetic study. JOURNAL OF MASS SPECTROMETRY : JMS 2024; 59:e5031. [PMID: 38726684 DOI: 10.1002/jms.5031] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 03/18/2024] [Accepted: 04/01/2024] [Indexed: 08/24/2024]
Abstract
Managing ocular microbial infections typically requires pharmacotherapy using antibiotic eye drops, such as moxifloxacin hydrochloride (MFX), combined with an antifungal agent like amphotericin B (AB). We carried out and validated an LC-MS/MS assay to quantify these compounds in rabbit tear fluid in order to look into the pharmacokinetics of these two drugs. We employed a protein precipitation technique for the extraction of drugs under examination. A Waters Symmetry C18 column was used to separate the analytes and internal standard. The composition of the mobile phase was like (A) 0.1% v/v formic acid in water and (B) methanol. The detection of MFX and AB was accomplished through the utilization of positive ion electrospray ionization under multiple reaction monitoring mode. The linearity curves for both analytes exhibited an acceptable trendline across a concentration range of 2.34-300 ng/mL for MFX and 7.81-1000 ng/mL for AB in surrogate rabbit tear fluid. The lower limit of quantitation for MFX was 2.34 ng/mL, while for AB, it was 7.81 ng/mL. The approach was strictly validated, encompassing tests of selectivity, linearity (with r2 > 0.99), precision, accuracy, matrix effects, and stability. Consequently, we employed this method to evaluate the pharmacokinetics profiles of MFX and AB in rabbit tear fluid following single topical doses.
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Affiliation(s)
- Amol Chhatrapati Bisen
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
| | - Anjali Mishra
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, India
| | - Sristi Agrawal
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
| | - Sachin Nashik Sanap
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
| | - Arpon Biswas
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, India
| | - Sarvesh Kumar Verma
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, India
| | - Rabi Sankar Bhatta
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
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Sajwan RK, Kumar Himanshu J, Solanki PR. Polyvinyl alcohol-derived-carbon quantum dots based fluorometric "On-Off" probe for moxifloxacin detection in milk and egg samples. Food Chem 2024; 439:138038. [PMID: 38041884 DOI: 10.1016/j.foodchem.2023.138038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 11/09/2023] [Accepted: 11/16/2023] [Indexed: 12/04/2023]
Abstract
Unconditional use of antibiotics triggered the process of bacterial resistance and causes major health problems. Nowadays, antibiotics majorly used in animals not only for infection treatment but also as mass promotor. The excess amount of antibiotics residue in animal derived foods which accelerate antibiotic resistance (ABR). So, here, a simple and quick carbon quantum dots(CQDs) based fluorometric "On-Off" probe was developed for detection of moxifloxacin (MOXI) in milk and egg samples. The CQDs emits blue emission and are uniformly distributed with average particle size 5.9 ± 0.22 nm. With MOXI, fluorescence intensity of CQDs at 372 nm decreased due to inner filter effect (IFE) and a new peak appeared at 508 nm correspondence to MOXI. The probe shows linear response with MOXI concentration varies as 0.025 µM - 15.0 µM with lower detection limit (LOD) of 6.34 nM. The real sample applicability test proved that the sensors have excellent efficacy for food applications.
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Affiliation(s)
- Reena K Sajwan
- Nano-bio Laboratory, Special Center for Nanoscience, Jawaharlal Nehru University, New Delhi 110067, India
| | - Jayendra Kumar Himanshu
- Nano-bio Laboratory, Special Center for Nanoscience, Jawaharlal Nehru University, New Delhi 110067, India; Department of Biotechnology, School of Life Sciences, Mahatma Gandhi Central University, Motihari, Bihar 845401, India
| | - Pratima R Solanki
- Nano-bio Laboratory, Special Center for Nanoscience, Jawaharlal Nehru University, New Delhi 110067, India.
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Bisen AC, Bhatta RS. Ocular bioanalysis of moxifloxacin and ketorolac tromethamine in rabbit lacrimal matrix using liquid chromatography-tandem mass spectrometry. Bioanalysis 2024; 16:219-232. [PMID: 38197429 DOI: 10.4155/bio-2023-0233] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2024] Open
Abstract
Aim: The fixed-dose combination of moxifloxacin (MOXI) and ketorolac tromethamine (KTR) is widely used for the treatment of bacterial keratitis. Thus, a new LC-MS/MS method was developed to determine MOXI and KTR in lacrimal fluid. Methods: Bioanalysis was performed using a Shimadzu 8050 LC-MS/MS in electrospray ionization-positive mode and the method was validated per US FDA guidelines. Isocratic separation was performed with a Waters Symmetry C18 column using methanol and 0.1% formic acid containing deionized water (85:15, v/v). Results & conclusion: An easy, quick and selective method was established and applied to assess the ocular pharmacokinetic profile of a commercially available formulation containing MOXI and KTR. Based on the pharmacokinetic data, this work describes pharmacokinetics-based dosage regimen calculations and their clinical significance.
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Affiliation(s)
- Amol Chhatrapati Bisen
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India
- Academy of Scientific & Innovative Research (AcSIR), CSIR-HRDC Campus, Ghaziabad, Uttar Pradesh, 201002, India
| | - Rabi Sankar Bhatta
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India
- Academy of Scientific & Innovative Research (AcSIR), CSIR-HRDC Campus, Ghaziabad, Uttar Pradesh, 201002, India
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Bisen AC, Agrawal S, Sanap SN, Mishra A, Biswas A, Verma SK, Bhatta RS. Simultaneous estimation of voriconazole, moxifloxacin, and pirfenidone in rabbit lacrimal matrix using LC-MS/MS: an application to preclinical ocular pharmacokinetics. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:2234-2243. [PMID: 37128739 DOI: 10.1039/d3ay00317e] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Dynamic emergence of microbial keratitis (MK) requires a promising therapeutic arsenal of antifungal and antibacterial agents like voriconazole (VCZ) and moxifloxacin (MOXI), respectively. Parallelly, another paradigm of MK associated with ulcerative wounds cannot be left unnoticed and requires antifibrotic remedy (pirfenidone, PIR) as an authalic antimicrobial to retain the primordial vision. For designing an effective clinical cure, a combination of these three agents is required at a therapeutic dosage regimen. Following the quest, we have developed a simple and sensitive LC-MS/MS bioanalytical method for simultaneous quantification of VCZ, MOXI, and PIR in rabbit lacrimal fluid. The method was validated as per US-FDA norms using ketoconazole as an internal standard for linearity, accuracy-precision, matrix effect, dilution integrity, selectivity, and stability. The five minutes chromatographic set-up includes isocratic elution with a C18 column using MeOH (80%, v/v) and ultrapure water containing 0.2% formic acid (20%, v/v), respectively. The MS-based analyte detection was achieved in ESI+ multiple reaction monitoring mode. The sample extraction was performed using the protein precipitation method with minimal sample size. The validated methodology was employed to determine the ocular pharmacokinetics profile of marketed formulations containing VCZ, MOXI, and PIR in rabbit lacrimal matrix.
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Affiliation(s)
- Amol Chhatrapati Bisen
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, B.S. 10/1, Sector 10, Jankipuram Extension Sitapur Road, Lucknow, Uttar Pradesh, 226031, India.
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
| | - Sristi Agrawal
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, B.S. 10/1, Sector 10, Jankipuram Extension Sitapur Road, Lucknow, Uttar Pradesh, 226031, India.
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
| | - Sachin Nashik Sanap
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, B.S. 10/1, Sector 10, Jankipuram Extension Sitapur Road, Lucknow, Uttar Pradesh, 226031, India.
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
| | - Anjali Mishra
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, B.S. 10/1, Sector 10, Jankipuram Extension Sitapur Road, Lucknow, Uttar Pradesh, 226031, India.
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
| | - Arpon Biswas
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, B.S. 10/1, Sector 10, Jankipuram Extension Sitapur Road, Lucknow, Uttar Pradesh, 226031, India.
| | - Sarvesh Kumar Verma
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, B.S. 10/1, Sector 10, Jankipuram Extension Sitapur Road, Lucknow, Uttar Pradesh, 226031, India.
| | - Rabi Sankar Bhatta
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, B.S. 10/1, Sector 10, Jankipuram Extension Sitapur Road, Lucknow, Uttar Pradesh, 226031, India.
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
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