Follow
Ragna Berthelsen
Ragna Berthelsen
Verified email at sund.ku.dk
Title
Cited by
Cited by
Year
In vitro digestion models to evaluate lipid based drug delivery systems; present status and current trends
R Berthelsen, M Klitgaard, T Rades, A Müllertz
Advanced Drug Delivery Reviews 142, 35-49, 2019
992019
Kolliphor surfactants affect solubilization and bioavailability of fenofibrate. Studies of in vitro digestion and absorption in rats
R Berthelsen, R Holm, J Jacobsen, J Kristensen, B Abrahamsson, ...
Molecular Pharmaceutics 12 (4), 1062-1071, 2015
502015
In Vitro Model Simulating Gastro-Intestinal Digestion in the Pediatric Population (Neonates and Young Infants)
D Kamstrup, R Berthelsen, PJ Sassene, A Selen, A Müllertz
AAPS PharmSciTech 18, 317-329, 2017
452017
The influence of drug and polymer particle size on the in situ amorphization using microwave irradiation
NJ Hempel, MM Knopp, R Berthelsen, JA Zeitler, K Löbmann
European Journal of Pharmaceutics and Biopharmaceutics 149, 77-84, 2020
292020
Combining in vitro and in silico methods for better prediction of surfactant effects on the absorption of poorly water soluble drugs—A fenofibrate case example
R Berthelsen, E Sjögren, J Jacobsen, J Kristensen, R Holm, ...
International journal of pharmaceutics 473 (1-2), 356-365, 2014
222014
The influence of temperature and viscosity of polyethylene glycol on the rate of microwave-induced in situ amorphization of celecoxib
NJ Hempel, T Dao, MM Knopp, R Berthelsen, K Löbmann
Molecules 26 (1), 110, 2020
192020
Basolateral glycylsarcosine (Gly-Sar) transport in Caco-2 cell monolayers is pH dependent
R Berthelsen, CU Nielsen, B Brodin
Journal of Pharmacy and Pharmacology 65 (7), 970-979, 2013
192013
Studying furosemide solubilization using an in vitro model simulating gastrointestinal digestion and drug solubilization in neonates and young infants
M Klitgaard, PJ Sassene, A Selen, A Müllertz, R Berthelsen
European Journal of Pharmaceutical Sciences 109, 191-199, 2017
162017
Estimating the oral absorption from self-nanoemulsifying drug delivery systems using an in vitro lipolysis-permeation method
M Klitgaard, A Müllertz, R Berthelsen
Pharmaceutics 13 (4), 489, 2021
152021
Convection-induced vs. microwave radiation-induced in situ drug amorphization
NJ Hempel, MM Knopp, R Berthelsen, K Löbmann
Molecules 25 (5), 1068, 2020
152020
Utilizing laser activation of photothermal plasmonic nanoparticles to induce on-demand drug amorphization inside a tablet
NJ Hempel, P Merkl, S Asad, MM Knopp, R Berthelsen, CAS Bergstrom, ...
Molecular Pharmaceutics 18 (6), 2254-2262, 2021
122021
Predicting oral absorption of fenofibrate in lipid-based drug delivery systems by combining in vitro lipolysis with the mucus-PVPA permeability model
M Falavigna, M Klitgaard, R Berthelsen, A Müllertz, GE Flaten
Journal of Pharmaceutical Sciences 110 (1), 208-216, 2021
122021
The use of glycerol as an enabling excipient for microwave-induced in situ drug amorphization
NJ Hempel, F Morsch, MM Knopp, R Berthelsen, K Löbmann
Journal of Pharmaceutical Sciences 110 (1), 155-163, 2021
112021
Microwave induced in situ amorphisation facilitated by crystalline hydrates
TP Holm, MM Knopp, K Löbmann, R Berthelsen
European Journal of Pharmaceutical Sciences 163, 105858, 2021
92021
Adding a Gastric Step to the Intestinal In Vitro Digestion Model Improves the Prediction of Pharmacokinetic Data in Beagle Dogs of Two Lipid-Based Drug Delivery …
M Klitgaard, S Beilles, PJ Sassene, R Berthelsen, A Müllertz
Molecular Pharmaceutics 17 (9), 3214-3222, 2020
92020
Supersaturated amorphous solid dispersions of celecoxib prepared in situ by microwave irradiation
TP Holm, MM Knopp, R Berthelsen, K Löbmann
International Journal of Pharmaceutics 626, 122115, 2022
72022
Physico-chemical characterization of aspirated and simulated human gastric fluids to study their influence on the intrinsic dissolution rate of cinnarizine
PB Pedersen, R Berthelsen, T Rades, SA Jørgensen, P Vilmann, ...
International Journal of Pharmaceutics 622, 121856, 2022
72022
Microwave-induced in situ drug amorphization using a mixture of polyethylene glycol and polyvinylpyrrolidone
NJ Hempel, MM Knopp, JA Zeitler, R Berthelsen, K Löbmann
Journal of Pharmaceutical Sciences 110 (9), 3221-3229, 2021
72021
Evaluating side-by-side diffusion models for studying drug supersaturation in an absorptive environment: a case example of fenofibrate and felodipine
JN Eliasen, R Berthelsen, AL Slot, A Müllertz
Journal of Pharmacy and Pharmacology 72 (3), 371-384, 2020
72020
Development of a μDissolution-permeation model with in situ drug concentration monitoring
R Berthelsen, JP Byrialsen, R Holm, J Jacobsen, B Abrahamsson, ...
Journal of Drug Delivery Science and Technology 35, 223-233, 2016
62016
The system can't perform the operation now. Try again later.
Articles 1–20