OOIR: Observatory of International Research

Papers

(The H4-Index of Expert Opinion on Drug Delivery is 28. 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 2021-07-01 to 2025-07-01.)

Article	Citations
Challenges and opportunities in neurometabolic disease treatment with enzyme delivery	59
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	59
Microneedles for drug delivery: recent advances in materials and geometry for preclinical and clinical studies	57
Artificial Intelligence’s role in colon-targeted drug delivery	54
Calcium phosphate coated nanoparticles for drug delivery: where are we now?	48
How can nanoemulsions be used for photosensitizer drug delivery?	45
Brain delivery enabled by transient blood–brain barrier disruption induced by regadenoson: a PET imaging study	44
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	44
In vivo dermal delivery of bleomycin with electronic pneumatic injection: drug visualization and quantification with mass spectrometry	44
The quest to deliver high-dose rifampicin: can the inhaled approach help?	42
A tale of nucleic acid–ionizable lipid nanoparticles: Design and manufacturing technology and advancement	41
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	40
Intranasal delivery of glucagon-like peptide-1 to the brain for obesity treatment: opportunities and challenges	39
Iontophoresis for the cutaneous delivery of nanoentraped drugs	39
Hydrophobic ion pairing-based self-emulsifying drug delivery systems: a new strategy for improving the therapeutic efficacy of water-soluble drugs	37
Current insights into polymeric micelles for nasal drug delivery	37
Nanominerals: a multifaceted biomaterial for regenerative medicine and 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	34
Assessment of adherence to, and persistence with, an electromechanical autoinjector for subcutaneous interferon beta-1a injections for multiple sclerosis treatment over 3 years	33
The challenges of drug delivery to the esophagus and how to overcome them	33
Enhanced skin drug delivery using dissolving microneedles: a potential approach for the management of skin disorders	33
Nuclear medicine imaging methods as novel tools in the assessment of pulmonary drug disposition	33
Self-assembled structures of ascorbic acid derivatives: encapsulation properties and controlled drug delivery applications	31
Do the chitosan nanoparticles really augment the drugs’ transdermal fluxes: ending the debate using meta-analysis	31
Future applications of self-immolative polymers in drug delivery	31

Recent advances in the use of liquid crystalline nanoparticles for non-small cell lung cancer treatment	30
Acetalated dextran: a novel delivery platform for particle-based vaccines	30
Ferulic acid’s therapeutic odyssey: nano formulations, pre-clinical investigations, and patent perspective	29
Magnetoliposomes for nanomedicine: synthesis, characterization, and applications in drug, gene, and peptide delivery	28