Hierarchial model approach and experimental validation for typical drug discovery system dissolution profile predictions (ModelDrug)
Aim
Description
The project scientific objectives of the proposed 3-year project are:
- to define experiment and model variables based on Drug Release Model (DRM) Tablet parameters, DRM calibration, CFD model, and drug release kinetics variables;
- to develop a surrogate model based on the CFD simulations for USP1 and USP2 dissolution apparatus and develop a kinetic model for predicting drug release profiles;
- to develop a fast simulation toolkit for rapid reliable targeted drug delivery system design.
The research project will focus on a modelling of a meaningful and predictive dissolution process for drug delivery systems to reduce experimental effort and increase the quality of planning experiments and model building. To implement the ModelDrug Project and to reach a meaningful dissolution process we will use two main factors that influence the processes in the drug delivery: diffusion and dissolution flow around the drug product, and kinetics of dissolution/disintegration. The ModelDrug project will study and model these processes separately and then combine them into one common model. The developed toolkit ModelDrugSmart will be applicable to simplify pharmaceutical manufacturing and future 3D drug release systems.
Outcomes to be achieved
- Four original scientific articles submitted to journals included in WoS/SCOPUS databases;
- participation in at least six international scientific conferences;
- the development of one data set;
- one project proposal application submitted to an international or national research and development project call;
- successful defence of two master's theses.
Project-related activities
Conferences
- 12–14 Sept 2024. International Conference 10th BBBB Conference on Pharmaceutical Sciences, Tartu, Estonia
Project partner Normunds Jekabsons (Institute of Physics, University of Latvia) presented: Uncertainties in drug dissolution tests - identification and CFD evaluation of factors limiting the accuracy of the USP2 test
Authors: Normunds Jekabsons¹, Sabine Upnere¹, Arturs Lacis¹, Iluta Žīgure², Ance Bārzdiņa², Jhaleh Amirian², Agnese Brangule²
¹ Institute of Physics, University of Latvia, Latvia
² Department of Pharmaceutical Chemistry, Rīga Stradiņš University
Conference Abstract Book - 21–22 Mar 2024. RSU International Student Conference 2024, Riga, Latvia
Iluta Žīgure. Oral presentation Optimization Of Drug Delivery Systems by Modeling Dissolution Processes
Awarded 2nd place in the Health Sciences section: Biochemistry / Physiology / Pharmacy / Pharmacology - 9 Febr 2024. Zoom conference organized by the Latvian Pharmacists Association. Pharmacy Students' Research Achievements and Current Information from National Institutions Relevant to Pharmacy Professionals 2024
Iluta Žīgure. Oral presentation Optimization of Drug Delivery Systems by Modeling Dissolution Processes - 22 Mar 2024.82nd International Scientific Conference of the University of Latvia
Oral presentation by project partner Normunds Jekabsons.
Authors: Normunds Jekabsons (UL), Agnese Brangule (RSU), Sabīne Upnere (UL), Artūrs Lācis (UL), Iluta Žīgure (RSU), Ance Bārzdiņa (RSU), Jhaleh Amirian (RSU) Dissolution in Oral Drug Delivery Systems, Project ModelDrug
Conference Abstract - 21 Febr 2025
Researcher Normunds Jekabsons from the Institute of Physics, University of Latvia participated in the 83rd International Scientific Conference of the University of Latvia with the presentation Insights into diffusion-controlled dissolution processes in solid dosage drug tablets through LES and surrogate models: a case study analysis
Authors: Dr Sabine Upnere1, Dr Normunds Jekabsons1, Mr Arturs Lacis1, Ms Ance Bārzdiņa2, Ms Daniela Paula Prudņikova2, Ms Una Lote Vitolina2, Dr Baiba Mauriņa3, Dr Agnese Brangule2
1 Institute of Physics of University of Latvia
2 Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Rīga Stradiņš University; Baltic Biomaterials Centre of Excellence, Headquarters at Rīga Technical University
3 Department of Applied Pharmacy, Faculty of Pharmacy, Rīga Stradiņš University
Conference Programme - 27 Mar 2025
Researcher Agnese Brangule from the Institute of Physics, University of Latvia participated in the RSU-organised International Conference on Medical and Health Research "Knowledge for Use in Practice" with the presentation Surrogate Models in Pharmaceutical Dissolution Testing: Case Study
Authors: Dr Sabine Upnere1, Dr Normunds Jekabsons1, Mr Arturs Lacis1, Ms Ance Bārzdiņa2, Ms Daniela Paula Prudņikova2, Ms Una Lote Vitolina2, Dr Baiba Mauriņa3, Dr Agnese Brangule2
1 Institute of Physics of University of Latvia
2 Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Rīga Stradiņš University; Baltic Biomaterials Centre of Excellence, Headquarters at Rīga Technical University
3 Department of Applied Pharmacy, Faculty of Pharmacy, Rīga Stradiņš University
Conference Abstract Book
Master's Thesis
Iluta Žīgure Optimization of Drug Delivery Systems by Modeling Dissolution Processes
Supervisor: Dr. sc. ing. Agnese Brangule
Other Activities
- 27 Aug 2024
Agnese Brangule, Lead Researcher at the RSU Faculty of Pharmacy, participated in the panel discussion Artificial Intelligence – Problem Creator or Problem Solver? at the Conference for Teachers of Natural Sciences, Mathematics, Engineering and Technology.
Conference Programme - 27 Sept 2024
Researchers of the RSU Faculty of Pharmacy (Agnese Brangule, Renāte Teterovska, Ance Bārzdiņa, Anete Vircava and Daniela Paula Prudņikova) participated in Researchers’ Night at the Medical Education Technology Centre, demonstrating various chemical experiments through the activity The Long Journey to a Medicine - 30 Sept – 08 Oct 2024
The first remote stage of the Baltic Biomaterials Centre of Excellence knowledge competition BIO-GO-Higher took place, with the medical science questions prepared by researchers of the RSU Faculty of Pharmacy - 13–17 May 2024
Dr. Pamela Nylund (AO Research Institute, Switzerland) visited the RSU Faculty of Pharmacy and, together with doctoral student Ance Bārzdiņa and lead researcher Agnese Brangule, investigated antibiotic release from hydrogels - 17 May 2024
Ance Bārzdiņa. How Are Medicinal Plants Studied and What Is Their Importance in Medicine? An RSU Lecturer Explains. Article published on lsm.lv (in Latvian language) - 15 Apr 2024
The President of the European Commission, Ursula von der Leyen, visited the RSU Faculty of Pharmacy. ModelDrug researchers Ance Bārzdiņa and Daniela Paula Prudņikova presented the latest research developments to the President - 18 Mar 2024
At the conference of the Latvian Chemistry Teachers Association, Agnese Brangule, Lead Researcher at the Faculty of Pharmacy, delivered the presentation Research as a Way of Life. During the conference, teachers visited the Faculty of Pharmacy, toured the new premises and explored the modern laboratory equipment - 31 Jan 2025
Dr. sc. ing. Agnese Brangule participated in the EURESTOP GENERAL MEETING in Seville, Spain, with the oral presentation Case Study on Enhancing Efficiency and Effort in High Hydrostatic Pressure Sterilization (authors: Anete Vircava, Ingus Skadiņš, Ance Bārzdiņa, Agnese Brangule) - 31 Jan 2025
Doctoral student Ance Bārzdiņa visited Riga Secondary School No. 84 to share her experience in science - 3 Mar 2025
Visit of first-grade pupils from Riga Imanta Secondary School as part of Career Days (hosted by Ance Bārzdiņa, Una Lote Vītoliņa and Daniela Paula Prudņikova) - 22 Apr 2026
The Periodic Table − The Ever-Evolving Alphabet of Chemistry, a talk on the Latvian radio program Zināmais nezināmajā (in Latvian language)


