OOIR: Observatory of International Research

Papers

(The H4-Index of Expert Opinion on Drug Delivery is 33. 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 2022-06-01 to 2026-06-01.)

Article	Citations
How can nanoemulsions be used for photosensitizer drug delivery?	115
A tale of nucleic acid–ionizable lipid nanoparticles: Design and manufacturing technology and advancement	88
Calcium phosphate coated nanoparticles for drug delivery: where are we now?	81
Challenges and opportunities in neurometabolic disease treatment with enzyme delivery	71
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	67
Receptor-mediated nose-to-brain delivery of drug combination-loaded polymeric nanocarriers for the treatment of glioblastoma- current progress and future perspectives part II: polymeric nanocarriers f	61
Artificial Intelligence’s role in colon-targeted drug delivery	60
Iontophoresis for the cutaneous delivery of nanoentraped drugs	56
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	56
Brain delivery enabled by transient blood–brain barrier disruption induced by regadenoson: a PET imaging study	53
The quest to deliver high-dose rifampicin: can the inhaled approach help?	53
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	53
An update on the port delivery system with ranibizumab for retinal diseases	50
Intranasal delivery of glucagon-like peptide-1 to the brain for obesity treatment: opportunities and challenges	50
Theranostic metallic nanoconjugates for colorectal cancer: targeting strategies, imaging modalities, and translational challenges	49
Assessment of adherence to, and persistence with, an electromechanical autoinjector for subcutaneous interferon beta-1a injections for multiple sclerosis treatment over 3 years	45
Nanominerals: a multifaceted biomaterial for regenerative medicine and drug delivery	44
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	42
Hydrophobic ion pairing-based self-emulsifying drug delivery systems: a new strategy for improving the therapeutic efficacy of water-soluble drugs	41
Nuclear medicine imaging methods as novel tools in the assessment of pulmonary drug disposition	41
Self-assembled structures of ascorbic acid derivatives: encapsulation properties and controlled drug delivery applications	41
How can we optimize the delivery of IL-2 to traumatic brain injury patients?	39
Current insights into polymeric micelles for nasal drug delivery	38
Future applications of self-immolative polymers in drug delivery	37
Enhanced skin drug delivery using dissolving microneedles: a potential approach for the management of skin disorders	37

A randomized crossover study assessing critical errors, preferences, and ease of use of two multidose powder inhalers	36
Oral administration of M13-loaded nanoliposomes is safe and effective to treat colitis-associated cancer in mice	36
Engineering polycaprolactone nanowires for pharmacologic efficacy	35
Continuous subcutaneous levodopa-carbidopa for the treatment of advanced Parkinson’s disease: is it an improvement on other delivery?	35
Ferulic acid’s therapeutic odyssey: nano formulations, pre-clinical investigations, and patent perspective	35
Current status and prospect for future advancements of long-acting antibody formulations	35
Stimuli-responsive image-guided nanocarriers as smart drug delivery platforms	34
Innovative insight into the mechanism of enantioselective skin permeation for chiral drugs	34