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 2021-09-01 to 2025-09-01.)

Article	Citations
Challenges and opportunities in neurometabolic disease treatment with enzyme delivery	61
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	61
Artificial Intelligence’s role in colon-targeted drug delivery	57
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	49
How can nanoemulsions be used for photosensitizer drug delivery?	49
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	48
In vivo dermal delivery of bleomycin with electronic pneumatic injection: drug visualization and quantification with mass spectrometry	48
Brain delivery enabled by transient blood–brain barrier disruption induced by regadenoson: a PET imaging study	46
The quest to deliver high-dose rifampicin: can the inhaled approach help?	45
A tale of nucleic acid–ionizable lipid nanoparticles: Design and manufacturing technology and advancement	44
Iontophoresis for the cutaneous delivery of nanoentraped drugs	41
Nanominerals: a multifaceted biomaterial for regenerative medicine and drug delivery	38
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	38
Nuclear medicine imaging methods as novel tools in the assessment of pulmonary drug disposition	37
Hydrophobic ion pairing-based self-emulsifying drug delivery systems: a new strategy for improving the therapeutic efficacy of water-soluble drugs	36
Self-assembled structures of ascorbic acid derivatives: encapsulation properties and controlled drug delivery applications	35
Current insights into polymeric micelles for nasal drug delivery	35
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	35
Assessment of adherence to, and persistence with, an electromechanical autoinjector for subcutaneous interferon beta-1a injections for multiple sclerosis treatment over 3 years	34
The challenges of drug delivery to the esophagus and how to overcome them	34
Do the chitosan nanoparticles really augment the drugs’ transdermal fluxes: ending the debate using meta-analysis	33
Acetalated dextran: a novel delivery platform for particle-based vaccines	33
Enhanced skin drug delivery using dissolving microneedles: a potential approach for the management of skin disorders	33
Recent advances in the use of liquid crystalline nanoparticles for non-small cell lung cancer treatment	33

Innovative insight into the mechanism of enantioselective skin permeation for chiral drugs	32
Magnetoliposomes for nanomedicine: synthesis, characterization, and applications in drug, gene, and peptide delivery	30
Future applications of self-immolative polymers in drug delivery	30
Oral administration of M13-loaded nanoliposomes is safe and effective to treat colitis-associated cancer in mice	30