OOIR: Observatory of International Research

Papers

(The H4-Index of Expert Opinion on Drug Delivery is 29. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-10-01 to 2025-10-01.)

Article	Citations
Dose accuracy of the follitropin alfa pen injector 2.0, the follitropin alfa:lutropin alfa 2:1 combination pen injector 2.0 and the choriogonadotropin alfa pen injector 1.0 used for fertility treatmen	65
Challenges and opportunities in neurometabolic disease treatment with enzyme delivery	63
Artificial Intelligence’s role in colon-targeted drug delivery	58
Iontophoresis for the cutaneous delivery of nanoentraped drugs	53
A tale of nucleic acid–ionizable lipid nanoparticles: Design and manufacturing technology and advancement	51
Calcium phosphate coated nanoparticles for drug delivery: where are we now?	50
Intranasal delivery of glucagon-like peptide-1 to the brain for obesity treatment: opportunities and challenges	50
All eyes on semifluorinated alkanes: a comprehensive review of the influence of semifluorinated alkane eyedrops on tear film stabilization and drug delivery in dry eye disease	49
The quest to deliver high-dose rifampicin: can the inhaled approach help?	48
In vivo dermal delivery of bleomycin with electronic pneumatic injection: drug visualization and quantification with mass spectrometry	45
Needle-free injection of basal insulin improves fasting glucose variability as assessed by continuous glucose monitoring in T2DM: a prospective randomized multicenter open-label crossover study	45
Brain delivery enabled by transient blood–brain barrier disruption induced by regadenoson: a PET imaging study	42
How can nanoemulsions be used for photosensitizer drug delivery?	41
Assessment of adherence to, and persistence with, an electromechanical autoinjector for subcutaneous interferon beta-1a injections for multiple sclerosis treatment over 3 years	40
Current insights into polymeric micelles for nasal drug delivery	39
Hydrophobic ion pairing-based self-emulsifying drug delivery systems: a new strategy for improving the therapeutic efficacy of water-soluble drugs	37
Pre-ANDA strategy and Human Factors activities to de-risk pharmaceutical companies ANDA submission of drug–device combination products: case study of a formative Comparative Use Human Factors study	36
Self-assembled structures of ascorbic acid derivatives: encapsulation properties and controlled drug delivery applications	36
The challenges of drug delivery to the esophagus and how to overcome them	36
Nanominerals: a multifaceted biomaterial for regenerative medicine and drug delivery	36
Nuclear medicine imaging methods as novel tools in the assessment of pulmonary drug disposition	35
Enhanced skin drug delivery using dissolving microneedles: a potential approach for the management of skin disorders	34
Recent advances in the use of liquid crystalline nanoparticles for non-small cell lung cancer treatment	34
Acetalated dextran: a novel delivery platform for particle-based vaccines	34
Innovative insight into the mechanism of enantioselective skin permeation for chiral drugs	33

Small patients, big challenges: navigating pediatric drug manipulations to prevent medication errors - a comprehensive review	33
Engineering polycaprolactone nanowires for pharmacologic efficacy	32
Ferulic acid’s therapeutic odyssey: nano formulations, pre-clinical investigations, and patent perspective	30
Future applications of self-immolative polymers in drug delivery	30
Continuous subcutaneous levodopa-carbidopa for the treatment of advanced Parkinson’s disease: is it an improvement on other delivery?	29
A randomized crossover study assessing critical errors, preferences, and ease of use of two multidose powder inhalers	29