Advances in Drug Analysis and Drug Development

A special issue of Pharmaceuticals (ISSN 1424-8247). This special issue belongs to the section "Pharmaceutical Technology".

Deadline for manuscript submissions: 31 July 2024 | Viewed by 1737

Special Issue Editors


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Guest Editor
Faculty of Pharmacy of Biochemistry, University of Zagreb, A. Kovačića 1, 10000 Zagreb, Croatia
Interests: pharmaceutical analysis; supplement analysis; sample preparation; atomic spectroscopy; chromatography; food analytical chemistry; food control; bioactive compounds; metals
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Faculty of Pharmacy of Biochemistry, University of Zagreb, A. Kovačića 1, 10000 Zagreb, Croatia
Interests: drug development; sample preparation; pharmaceutical analysis; bioanalysis; biopharmaceutical analysis; food analysis; chromatography; mass spectrometry

Special Issue Information

Dear Colleagues,

The different phases of drug development include preclinical and clinical drug development. During this long-term process, a large number of different compounds (active pharmaceutical substances, excipients, impurities and metabolites) are monitored, and the development of new analytical methods facilitates the implementation.

This Special Issue of Pharmaceuticals will be a collection of research articles, short communications and reviews related to original and novel analytical methods developed for the evaluation of active substances in various dosage forms during drug development.

From the analytical point of view, a special challenge is the identification and determination of metabolites, as the products of drug metabolism, and other endogenous compounds. Green and sustainable analytical procedures are more than welcome, as well as methods, including the pre-treatment of different dosage forms and biological materials as samples.

The coverage of this Special Issue includes, but is not limited to:

  • Advances in instrumental analysis in drug development;
  • Preformulation and pharmaceutical formulation studies;
  • Preclinical and clinical evaluation of formulation technologies;
  • The pharmacokinetic analysis of active substances and metabolites;
  • Innovative processing and analytical technologies;
  • Extractable and leachable testing in pharmaceutical analysis;
  • Bioanalysis of nano-drug delivery systems;
  • Lab-on-chip technology;
  • High-throughput screening in preformulation studies;
  • Validation and regulatory aspects in pharmaceutical analysis.

We are looking forward to hearing from you.

Dr. Daniela Amidžić Klarić
Prof. Dr. Ana Mornar
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Pharmaceuticals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • analytical methodology

  • chromatographic techniques
  • spectrometric techniques
  • thermal analysis techniques
  • sample preparation
  • drug stability
  • compatibility study
  • bioavailability studies
  • therapeutic drug monitoring
  • quality by design in pharmaceutical analysis

Published Papers (2 papers)

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Research

21 pages, 4899 KiB  
Article
Development of Analytical Method for the Quantitation of Monoclonal Antibodies Solutions via Raman Spectroscopy: The Case of Bevacizumab
by Michail Lykouras, Panagiota Papaspyridakou, Olga E. Makri, Constantine D. Georgakopoulos and Malvina G. Orkoula
Pharmaceuticals 2024, 17(4), 446; https://doi.org/10.3390/ph17040446 - 29 Mar 2024
Viewed by 578
Abstract
Personalized dosages of monoclonal antibodies are being used more regularly to treat various diseases, rendering their quantitation more essential than ever for the right dose administration to the patients. A promising alternative, which overcomes the obstacles of the well-established chromatographic techniques regarding the [...] Read more.
Personalized dosages of monoclonal antibodies are being used more regularly to treat various diseases, rendering their quantitation more essential than ever for the right dose administration to the patients. A promising alternative, which overcomes the obstacles of the well-established chromatographic techniques regarding the quantification of biopharmaceuticals, is Raman spectroscopy. This study aimed to develop and validate a novel analytical method for the quantitation of bevacizumab in solutions via Raman spectroscopy. For this purpose, a droplet of the solution was left to dry on a highly reflective carrier and a home-made apparatus was employed for rotation of the sample. Hence, each recorded Raman spectrum was the average of the signal acquired simultaneously from multiple points on a circular circumference. The method was validated, and the detection limit of the antibody was found to be 1.06 mg/mL. Bevacizumab was found to be highly distributed at the formed coffee ring of the dried droplet, though this was a function of solution concentration. Finally, Raman spectra at different distances on the coffee ring were obtained from the four quarters. The lowest bevacizumab detection limit was found at a distance of 75 μm from the external side of the coffee ring and it was determined to be equal to 0.53 mg/mL. Full article
(This article belongs to the Special Issue Advances in Drug Analysis and Drug Development)
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19 pages, 3273 KiB  
Article
The Study on Timolol and Its Potential Phototoxicity Using Chemical, In Silico and In Vitro Methods
by Karolina Lejwoda, Anna Gumieniczek, Agata Filip and Beata Naumczuk
Pharmaceuticals 2024, 17(1), 98; https://doi.org/10.3390/ph17010098 - 11 Jan 2024
Viewed by 856
Abstract
Timolol (TIM) is a non-selective ß-adrenergic receptor antagonist used orally for the treatment of hypertension and heart attacks, and topically for treating glaucoma; lately, it has also been used in some specific dermatological problems. In the present study, its photodegradation and potential risk [...] Read more.
Timolol (TIM) is a non-selective ß-adrenergic receptor antagonist used orally for the treatment of hypertension and heart attacks, and topically for treating glaucoma; lately, it has also been used in some specific dermatological problems. In the present study, its photodegradation and potential risk of phototoxicity were examined using chemical, in silico and in vitro methods. The UV/VIS irradiated solutions of TIM at pH 1–13 were subjected to LC-UV and UPLC-HRMS/MS analyses showing pseudo first-order kinetics of degradation and several degradation products. The structures of these photodegradants were elucidated by fragmentation path analysis based on high resolution (HR) fragmentation mass spectra, and then used for toxicity evaluation using OSIRIS Property Explorer and Toxtree. Potential risk of phototoxicity was also studied using chemical tests for detecting ROS under UV/VIS irradiation and in vitro tests on BALB/c 3T3 mouse fibroblasts (MTT, NRU and Live/Dead tests). TIM was shown to be potentially phototoxic because of its UV/VIS absorptive properties and generation ROS during irradiation. As was observed in the MTT and NRU tests, the co-treatment of fibroblasts with TIM and UV/VIS light inhibited cell viability, especially when concentrations of the drug were higher than 50 µg/mL. Full article
(This article belongs to the Special Issue Advances in Drug Analysis and Drug Development)
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