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Derayea SM, Abdulrazik SG, Attia TZ. Quantitative spectrofluorimetric method for determination of octreotide acetate synthetic peptide derivative in pure and its Sandostatin ampules forms. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 305:123546. [PMID: 37864971 DOI: 10.1016/j.saa.2023.123546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 09/16/2023] [Accepted: 10/14/2023] [Indexed: 10/23/2023]
Abstract
A unique spectrofluorimetric protocol has been conceived for octreotide (a synthetic peptide drug) quantitation in both its authentic form and its application to dosage form. The protocol has been established simply upon condensation of octreotide by ninhydrin / phenyl acetaldehyde reagent in buffered media (pH 6.2). An intense fluorescence product has been formed and quantified at 463 nm (390 nm for excitation). After optimization for various experimental conditions, a wide linear interval (0.2-4.0 µg/ml) has been used to construct the calibration curve with a determination coefficient (r2) of 0.9994, a slope ± SD of 81.147 ± 0.7985, and a highly sensitive detection and quantitation limits nearly equal to 0.066 and 0.2 µg/ml, respectively. A proposed protocol has been checked in accordance with ICH validation guidelines, which indicate good accuracy and high precision of the proposed method. Furthermore, this protocol could be perfectly applied for the quantitative estimation of octreotide in its ampoules with a high degree of accuracy and precision. As a result, a developed protocol is ideally appropriate for fast and simple octreotide quantitative estimation in quality control laboratories.
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Affiliation(s)
- Sayed M Derayea
- Analytical Chemistry Department, Faculty of Pharmacy, Minia University, Minia, Egypt
| | - Shrouk G Abdulrazik
- Analytical Chemistry Department, Faculty of Pharmacy, Minia University, Minia, Egypt
| | - Tamer Z Attia
- Analytical Chemistry Department, Faculty of Pharmacy, Minia University, Minia, Egypt.
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Stefanik O, Majerova P, Kovac A, Mikus P, Piestansky J. Capillary electrophoresis in the analysis of therapeutic peptides-A review. Electrophoresis 2024; 45:120-164. [PMID: 37705480 DOI: 10.1002/elps.202300141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 08/10/2023] [Accepted: 08/14/2023] [Indexed: 09/15/2023]
Abstract
Therapeutic peptides are a growing class of innovative drugs with high efficiency and a low risk of adverse effects. These biomolecules fall within the molecular mass range between that of small molecules and proteins. However, their inherent instability and potential for degradation underscore the importance of reliable and effective analytical methods for pharmaceutical quality control, therapeutic drug monitoring, and compliance testing. Liquid chromatography-mass spectrometry (LC-MS) has long time been the "gold standard" conventional method for peptide analysis, but capillary electrophoresis (CE) is increasingly being recognized as a complementary and, in some cases, superior, highly efficient, green, and cost-effective alternative technique. CE can separate peptides composed of different amino acids owing to differences in their net charge and size, determining their migration behavior in an electric field. This review provides a comprehensive overview of therapeutic peptides that have been used in the clinical environment for the last 25 years. It describes the properties, classification, current trends in development, and clinical use of therapeutic peptides. From the analytical point of view, it discusses the challenges associated with the analysis of therapeutic peptides in pharmaceutical and biological matrices, as well as the evaluation of CE as a whole and the comparison with LC methods. The article also highlights the use of microchip electrophoresis, nonaqueous CE, and nonconventional hydrodynamically closed CE systems and their applications. Overall, the article emphasizes the importance of developing new CE-based analytical methods to ensure the high quality, safety, and efficacy of therapeutic peptides in clinical practice.
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Affiliation(s)
- Ondrej Stefanik
- Department of Pharmaceutical Analysis and Nuclear Pharmacy, Faculty of Pharmacy, Comenius University in Bratislava, Bratislava, Slovak Republic
- Toxicological and Antidoping Center, Faculty of Pharmacy, Comenius University in Bratislava, Bratislava, Slovak Republic
| | - Petra Majerova
- Institute of Neuroimmunology, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Andrej Kovac
- Institute of Neuroimmunology, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Peter Mikus
- Department of Pharmaceutical Analysis and Nuclear Pharmacy, Faculty of Pharmacy, Comenius University in Bratislava, Bratislava, Slovak Republic
- Toxicological and Antidoping Center, Faculty of Pharmacy, Comenius University in Bratislava, Bratislava, Slovak Republic
| | - Juraj Piestansky
- Toxicological and Antidoping Center, Faculty of Pharmacy, Comenius University in Bratislava, Bratislava, Slovak Republic
- Institute of Neuroimmunology, Slovak Academy of Sciences, Bratislava, Slovak Republic
- Department of Galenic Pharmacy, Faculty of Pharmacy, Comenius University in Bratislava, Bratislava, Slovak Republic
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Attia TZ, Abdulrazik SG, Dearyea SM. Facile spectrofluorimetric quantitation of octreotide, a synthetic peptide, in its pure form and pharmaceutical formulation; Evaluation of the method greenness. LUMINESCENCE 2022; 37:1914-1920. [PMID: 36044548 DOI: 10.1002/bio.4375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 08/02/2022] [Accepted: 08/28/2022] [Indexed: 11/10/2022]
Abstract
A new, rapid, highly sensitive, and affordable spectrofluorimetric approach has been constructed and validated for the determination of octreotide in its authentic form and pharmaceutical dosage form. Octreotide is an important synthetic analog of the naturally occurring somatostatin hormone. The developed spectrofluorimetric approach is actually dependent on the measurement of octreotide native fluorescence at emission wavelength of 342 nm after excitation at 218 nm. At optimal reaction circumstances, the calibration curve has been constructed over the concentration range of 200- 2000 ng ml-1 , with excellent linearity. The limits of detection and quantitation values were found to be 55 and 169 ng ml-1 , respectively. The developed approach has been effectively used to determine octreotide in its pharmaceutical ampoules, without interference from the excipients in the dosage form. The developed approach is simple, time-saving, and does not require multiple pretreatment steps for samples, costly apparatus, or dangerous materials. As a result, it can be actually used to detect and quantify octreotide acetate in quality control laboratories.
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Affiliation(s)
- Tamer Z Attia
- Analytical Chemistry Department, Faculty of Pharmacy, Minia University, Minia, Egypt
| | - Shrouk G Abdulrazik
- Analytical Chemistry Department, Faculty of Pharmacy, Minia University, Minia, Egypt
| | - Sayed M Dearyea
- Analytical Chemistry Department, Faculty of Pharmacy, Minia University, Minia, Egypt
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Gong F, Yang H, Sun W, Cao J, Liu W. Development and validation of a micellar electrokinetic capillary chromatography method for the determination of goserelin and related substances. Electrophoresis 2016; 37:623-9. [DOI: 10.1002/elps.201500328] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 11/09/2015] [Accepted: 11/18/2015] [Indexed: 12/20/2022]
Affiliation(s)
- Feifei Gong
- School of Pharmacy, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong; Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University ), Ministry of Education, Yantai University; Yantai P.R. China
| | - Huaxin Yang
- National Institutes for Food and Drug Control; Beijing P. R. China
| | - Wen Sun
- State Key Laboratory of Long-acting and Targeting Drug Delivery System; Luye Pharma Group Ltd; Yantai P. R. China
| | - Junzi Cao
- State Key Laboratory of Long-acting and Targeting Drug Delivery System; Luye Pharma Group Ltd; Yantai P. R. China
| | - Wanhui Liu
- School of Pharmacy, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong; Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University ), Ministry of Education, Yantai University; Yantai P.R. China
- State Key Laboratory of Long-acting and Targeting Drug Delivery System; Luye Pharma Group Ltd; Yantai P. R. China
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Tamizi E, Yang Y, Jouyban A, Kelso GF, Boysen RI, Hearn MT. A capillary electrophoretic–mass spectrometric method for the assessment of octreotide stability under stress conditions. J Chromatogr A 2016; 1429:354-63. [DOI: 10.1016/j.chroma.2015.12.039] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Revised: 12/14/2015] [Accepted: 12/14/2015] [Indexed: 11/29/2022]
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Tamizi E, Jouyban A. Forced degradation studies of biopharmaceuticals: Selection of stress conditions. Eur J Pharm Biopharm 2015; 98:26-46. [PMID: 26542454 DOI: 10.1016/j.ejpb.2015.10.016] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 10/21/2015] [Accepted: 10/28/2015] [Indexed: 12/24/2022]
Abstract
Stability studies under stress conditions or forced degradation studies play an important role in different phases of development and production of biopharmaceuticals and biological products. These studies are mostly applicable to selection of suitable candidates and formulation developments, comparability studies, elucidation of possible degradation pathways and identification of degradation products, as well as, development of stability indicating methods. Despite the integral part of these studies in biopharmaceutical industry, there is no well-established protocol for the selection of stress conditions, timing of stress testing and required extent of degradation. Therefore, due to the present gap in the stability studies guidelines, it is the responsibility of researchers working in academia and biopharmaceutical industry to set up forced degradation experiments that could fulfill all the expectations from the stability studies of biopharmaceuticals under stress conditions. Concerning the importance of the function of desired stress conditions in forced degradation studies, the present review aims to provide a practical summary of the applicable stress conditions in forced degradation studies of biopharmaceuticals according to the papers published in a time period of 1992-2015 giving detailed information about the experimental conditions utilized to induce required stresses.
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Affiliation(s)
- Elnaz Tamizi
- Drug Applied Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Abolghasem Jouyban
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.
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Toward greener analytical techniques for the absolute quantification of peptides in pharmaceutical and biological samples. J Pharm Biomed Anal 2015; 113:181-8. [DOI: 10.1016/j.jpba.2015.03.023] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2015] [Revised: 03/19/2015] [Accepted: 03/23/2015] [Indexed: 11/22/2022]
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Tamizi E, Jouyban A. The potential of the capillary electrophoresis techniques for quality control of biopharmaceuticals-A review. Electrophoresis 2015; 36:831-58. [DOI: 10.1002/elps.201400343] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Revised: 11/27/2014] [Accepted: 11/27/2014] [Indexed: 12/24/2022]
Affiliation(s)
- Elnaz Tamizi
- Biotechnology Research Center; Tabriz University of Medical Sciences; Tabriz Iran
| | - Abolghasem Jouyban
- Pharmacy Faculty and Drug Applied Research Center; Tabriz University of Medical Sciences; Tabriz Iran
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Galievsky VA, Stasheuski AS, Krylov SN. Capillary Electrophoresis for Quantitative Studies of Biomolecular Interactions. Anal Chem 2014; 87:157-71. [DOI: 10.1021/ac504219r] [Citation(s) in RCA: 82] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Victor A. Galievsky
- Department
of Chemistry and
Centre for Research on Biomolecular Interactions, York University, Toronto, Ontario M3J 1P3, Canada
| | - Alexander S. Stasheuski
- Department
of Chemistry and
Centre for Research on Biomolecular Interactions, York University, Toronto, Ontario M3J 1P3, Canada
| | - Sergey N. Krylov
- Department
of Chemistry and
Centre for Research on Biomolecular Interactions, York University, Toronto, Ontario M3J 1P3, Canada
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