Translational Pharmacokinetics and Pharmacodynamics

Our Research
Within the area of translational PKPD we address conversion of pharmacokinetic data from preclinical to the clinical settings. This is strongly needed for optimizing drug discovery processes and promoting efficient treatment of brain and spinal cord diseases as well as prevention of development various adverse events in central and peripheral nervous systems (CNS/PNS). In this regard, the role of biological barriers including blood-tissue (e.g., blood-brain barrier, BBB) and parenchymal cellular barriers. Our vision is to support development of effective CNS disease treatments and safer therapeutics by utilizing translational methods.
Principal investigator: Irena Loryan
Ongoing Projects
Investigation of Drug Transport Mechanisms Across Barriers of CNS for Successful Treatment of CNS Disorders
The blood-brain barrier (BBB) is a key functional and dynamic interface between blood and brain. BBB protects the brain but it is also the major hindrance for successful treatment of CNS disorders. Accumulating evidence indicates that the BBB and the whole neurovascular unit plays an important role in disease etiology and progression and may as such affect drug delivery to the brain. Other CNS barriers such as blood-CSF and blood-spinal cord barriers are sharing some similarities with BBB, yet have also unique characteristics in regard to drug transport. We are interested in brain drug delivery in relation to transport processes of both small and large molecules across the BBB and other CNS barriers. Using the concepts and methodologies developed in the group, we are exploring brain and spinal cord regional drug disposition, including the influence of diseases, with focus on the pharmacologically relevant unbound concentrations.

Unraveling the Pharmacokinetic Mechanisms in the Development and Prevention of Chemotherapy-Induced Peripheral Neuropathy (CIPN)
The overarching goal of a project is to
The overarching goal of a project is to systematically investigate drug-specific CIPN-site pharmacokinetics of several microtubule binding agents (MTAs) and antibody-drug conjugates, to establish the plasma and CIPN-site exposure relationship using data generated in preclinical studies by means of mathematical modeling approach. Specific focus will be on investigation of MTAs-specific innate membrane transport processes of distribution into the key CIPN-sites aiming to explore novel pharmacokinetic mechanisms for development and prevention of CIPN. Investigation of blood biomarkers for diagnostic and monitoring of CIPN are also explored.

Drug development
Our work also emphasizes the importance of bridging the expertise within academia and pharmaceutical industry in order to seek excellence in method development for better therapeutics treating CNS disorders.
- Our team has supported drug discovery programs for several CNS and non-CNS targeting drug candidates developed by pharma companies and biotechs.
- Our team has unique know-how in the field of brain drug disposition and has developed methods supporting the selection and validation of drug candidates.
- We aim to bring our experience drug development programs and make our vision, to enhance the treatment of brain diseases and prevent the development of neurotoxicity, a reality.

Past Projects
1. IMI2 Project IM2PACT: Investigating Mechanisms and Models Predictive of Accessibility of Therapeutics into the brain
A new consortium of 27 international partners from academia, industry, and small and medium enterprises, aims to tackle the unmet challenge of discovery and characterisation of blood-brain barrier targets and transport mechanisms for brain delivery of therapeutics to treat neurodegenerative and metabolic diseases. The blood-brain barrier is a protective layer between the brain’s blood capillaries and the cells that make up brain tissue. This barrier provides a defence against the pathogens and toxins that may be in our blood, allowing very few molecules to pass through. It can also prevent many drugs from passing across into the brain, and this presents a major problem in treating neurological conditions and metabolic diseases, especially when using antibody therapies. On the other hand, several neurological diseases could originate from a dysfunctional blood-brain barrier. The funding from the Innovative Medicines Initiative (IMI) to the IM2PACT consortium will allow this public-private partnership, which includes leading international experts in the field, to facilitate the development of drugs to treat neurological disorders by:
- discovering and developing innovative and effective brain transport mechanisms
- establishing and characterising blood-brain barrier models with good predictability in health and disease
- identifying translational read-outs closer to the pathogenesis of neurodegeneration and mimicking altered blood-brain barrier under disease conditions
- in-depth understanding of the biology of the blood-brain barrier and characterisation of various pathophysiological mechanisms across the blood-brain barrier.
IM2PACT will foster the development of disease-modifying treatment in a setting of personalised medicine. For more details visit the web page: http://im2pact.org/about/about-im2pact/
1. IMI2 Project NeuroDeRisk: Neurotoxicity De-Risking in Preclinical Drug Discovery
Neurotoxicity, i.e., any adverse effect on the central nervous system or peripheral nervous system, is a major issue encountered in clinical phases of drug R&D that at the present stage of science and technology is still poorly predicted in the pre-clinical drug candidate assessment. As a part of the EU IMI2-RIA funded consortium NeuroDeRisk (Neurotoxicity De-Risking in Preclinical Drug Discovery) will provide novel validated and integrated tools for improving the preclinical prediction of adverse effects of pharmaceuticals on the nervous system, and thus help to de-risk drug candidates earlier in the R&D phases. Together with EFPIA members Sanofi, Novartis, MSD, Pfizer, UCB, Biopharma, AZ, Fujifilm Cellular Dynamics and a group of leading EU academic institutions, tPKPD will work evaluating pharmacokinetic aspects of the development of drug neurotoxicity.
For more details visit the web page: http://neuroderisk.eu/
Group members
Publications
Active CNS delivery of oxycodone in healthy and endotoxemic pigs
Part of Fluids and Barriers of the CNS, 2024
- DOI for Active CNS delivery of oxycodone in healthy and endotoxemic pigs
- Download full text (pdf) of Active CNS delivery of oxycodone in healthy and endotoxemic pigs
Part of Pharmaceutical research, p. 2715-2730, 2023
- DOI for Active Uptake of Oxycodone at Both the Blood-Cerebrospinal Fluid Barrier and The Blood-Brain Barrier without Sex Differences: A Rat Microdialysis Study
- Download full text (pdf) of Active Uptake of Oxycodone at Both the Blood-Cerebrospinal Fluid Barrier and The Blood-Brain Barrier without Sex Differences: A Rat Microdialysis Study
Part of Fluids and Barriers of the CNS, 2024
- DOI for Analysis of the contributing role of drug transport across biological barriers in the development and treatment of chemotherapy-induced peripheral neuropathy
- Download full text (pdf) of Analysis of the contributing role of drug transport across biological barriers in the development and treatment of chemotherapy-induced peripheral neuropathy
Brain barriers virtual: an interim solution or future opportunity?
Part of Fluids and Barriers of the CNS, 2022
- DOI for Brain barriers virtual: an interim solution or future opportunity?
- Download full text (pdf) of Brain barriers virtual: an interim solution or future opportunity?
Part of International Journal of Antimicrobial Agents, 2025
- DOI for Ceftazidime-avibactam (CAZ-AVI) pharmacokinetics in critically ill patients undergoing continuous venovenous hemodiafiltration (CVVHDF)
- Download full text (pdf) of Ceftazidime-avibactam (CAZ-AVI) pharmacokinetics in critically ill patients undergoing continuous venovenous hemodiafiltration (CVVHDF)
Differential Blood-Brain Barrier Transport and Cell Uptake of Cyclic Peptides In Vivo and In Vitro
Part of Pharmaceutics, 2023
- DOI for Differential Blood-Brain Barrier Transport and Cell Uptake of Cyclic Peptides In Vivo and In Vitro
- Download full text (pdf) of Differential Blood-Brain Barrier Transport and Cell Uptake of Cyclic Peptides In Vivo and In Vitro
Part of Frontiers in Pharmacology, 2024
- DOI for Formulation-dependent differences in paclitaxel distribution to anatomical sites relevant to chemotherapy-induced peripheral neuropathy
- Download full text (pdf) of Formulation-dependent differences in paclitaxel distribution to anatomical sites relevant to chemotherapy-induced peripheral neuropathy
Lung pharmacokinetics of inhaled and systemic drugs: A clinical evaluation
Part of British Journal of Pharmacology, p. 4440-4451, 2021
Part of Biomedicine and Pharmacotherapy, 2023
- DOI for Neurofilament light chain in plasma as a sensitive diagnostic biomarker of peripheral neurotoxicity: In Vivo mouse studies with oxaliplatin and paclitaxel - NeuroDeRisk project
- Download full text (pdf) of Neurofilament light chain in plasma as a sensitive diagnostic biomarker of peripheral neurotoxicity: In Vivo mouse studies with oxaliplatin and paclitaxel - NeuroDeRisk project
Part of Molecular Psychiatry, p. 7732-7745, 2021
- DOI for Neuropharmacokinetic visualization of regional and subregional unbound antipsychotic drug transport across the blood-brain barrier.
- Download full text (pdf) of Neuropharmacokinetic visualization of regional and subregional unbound antipsychotic drug transport across the blood-brain barrier.
Part of International Journal of Molecular Sciences, 2023
- DOI for Pharmacokinetics of Novel Dopamine Transporter Inhibitor CE-123 and Modafinil with a Focus on Central Nervous System Distribution
- Download full text (pdf) of Pharmacokinetics of Novel Dopamine Transporter Inhibitor CE-123 and Modafinil with a Focus on Central Nervous System Distribution
Part of Journal of Pharmaceutical Sciences, p. 852-858, 2022
Part of Fluids and Barriers of the CNS, 2024
- DOI for Reduced oxycodone brain delivery in rats due to lipopolysaccharide-induced inflammation: microdialysis insights into brain disposition and sex-specific pharmacokinetics
- Download full text (pdf) of Reduced oxycodone brain delivery in rats due to lipopolysaccharide-induced inflammation: microdialysis insights into brain disposition and sex-specific pharmacokinetics
Part of Journal of Headache and Pain, 2024
- DOI for Regional distribution of unbound eletriptan and sumatriptan in the CNS and PNS in rats: implications for a potential central action
- Download full text (pdf) of Regional distribution of unbound eletriptan and sumatriptan in the CNS and PNS in rats: implications for a potential central action
Region-independent active CNS net uptake of marketed H+/ OC antiporter system substrates
Part of Frontiers in Cellular Neuroscience, 2024
- DOI for Region-independent active CNS net uptake of marketed H+/ OC antiporter system substrates
- Download full text (pdf) of Region-independent active CNS net uptake of marketed H+/ OC antiporter system substrates
Part of Toxicology, 2025
- DOI for The challenge to identify sensitive safety biomarkers of peripheral neurotoxicity in the rat: A collaborative effort across industry and academia (IMI NeuroDeRisk project)
- Download full text (pdf) of The challenge to identify sensitive safety biomarkers of peripheral neurotoxicity in the rat: A collaborative effort across industry and academia (IMI NeuroDeRisk project)
The solute carrier SLC7A1 may act as a protein transporter at the blood-brain barrier
Part of European Journal of Cell Biology, 2024
- DOI for The solute carrier SLC7A1 may act as a protein transporter at the blood-brain barrier
- Download full text (pdf) of The solute carrier SLC7A1 may act as a protein transporter at the blood-brain barrier
Part of Pharmaceutical research, p. 1321-1341, 2022
- DOI for Unbound Brain-to-Plasma Partition Coefficient, K-p,K-uu,K-brain-a Game Changing Parameter for CNS Drug Discovery and Development
- Download full text (pdf) of Unbound Brain-to-Plasma Partition Coefficient, K-p,K-uu,K-brain-a Game Changing Parameter for CNS Drug Discovery and Development
Part of Clinical Pharmacology and Therapeutics, p. 758-773, 2022
- DOI for Understanding the Blood-Brain Barrier and Beyond: Challenges and Opportunities for Novel CNS Therapeutics
- Download full text (pdf) of Understanding the Blood-Brain Barrier and Beyond: Challenges and Opportunities for Novel CNS Therapeutics
Forskningsgruppledare
Irena Loryan
Docent i Translationell PKPD
Institutionen för farmaci
Uppsala universitet
irena.loryan@uu.se
018-471 49 95
Mer information
Contact
- Visiting Address: BMC, Husargatan 3, A1:2, A2:2, A3:3, B3:3, B3:4, C2:2
- Letter and Postal Address: Box 580, SE-751 23 Uppsala