Nanoemulsions for Nose-to-Brain Drug Delivery

A special issue of Pharmaceutics (ISSN 1999-4923). This special issue belongs to the section "Nanomedicine and Nanotechnology".

Deadline for manuscript submissions: 30 November 2025 | Viewed by 1394

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Ipanema Hospital, Rio de Janeiro 22411-001, RJ, Brazil
Interests: perillyl alcohol; glioblastoma; pharmacokinetics of nanoparticles; nanomedicine; intranasal delivery

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Guest Editor
Laboratory of Nanostructured Formulations, Department of Pharmacy, Universidade Estadual do Centro-Oeste, Guarapuava 85040-167, Brazil
Interests: nanotechnology in drug delivery; bioavailability enhancement; nanostructured drug formulations; pharmacokinetics of nanoparticles; nanomedicine
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Special Issue Information

Dear Colleagues,

This Special Issue focuses on the emerging field of “Nanoemulsions for Nose-to-Brain Drug Delivery via intranasal administration, targeting enhanced treatment of central nervous system (CNS) disorders. The complex structure of the blood–brain barrier (BBB) presents a significant obstacle in delivering therapeutic agents to the brain. Nanoemulsions, with their submicron droplet size and high surface area, offer a unique means to bypass the BBB by leveraging the olfactory and trigeminal pathways, allowing for direct drug transport from the nasal cavity to the brain. This approach enables both rapid absorption and reduced systemic circulation, optimizing therapeutic outcomes. We invite submissions on innovative formulation techniques, stability studies, pharmacokinetic profiles, and the experimental validation of CNS-targeted nanoemulsions via olfactory and trigeminal routes. Additionally, this Special Issue welcomes insights into the biocompatibility and regulatory challenges of nanoemulsion formulations in neurological applications, alongside interdisciplinary studies bridging pharmaceutical nanotechnology, bioengineering, and neuroscience.

Dr. Clóvis Orlando Pereira Da Fonseca
Dr. Rubiana Mara Mainardes
Guest Editors

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Keywords

  • nanoemulsion
  • intranasal
  • pharmacokinetics
  • nose-to-brain
  • neurology
  • olfactory
  • nanomedicine

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Published Papers (1 paper)

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Research

29 pages, 1779 KB  
Article
Nanoemulsions and Microemulsions for Intranasal Drug Delivery: A Bibliometric Analysis and Emerging Trends (2004–2024)
by Ariane Krause Padilha Lorenzett, Vanderlei Aparecido de Lima, Clovis Orlando Pereira da Fonseca and Rubiana Mara Mainardes
Pharmaceutics 2025, 17(9), 1104; https://doi.org/10.3390/pharmaceutics17091104 - 25 Aug 2025
Viewed by 972
Abstract
Background/Objectives: Nanoemulsions and microemulsions are promising drug delivery systems capable of enhancing the solubility, stability, and bioavailability of active pharmaceutical ingredients, particularly for central nervous system (CNS) disorders. This study presents a bibliometric analysis of scientific publications on intranasal nanoemulsions from 2004 [...] Read more.
Background/Objectives: Nanoemulsions and microemulsions are promising drug delivery systems capable of enhancing the solubility, stability, and bioavailability of active pharmaceutical ingredients, particularly for central nervous system (CNS) disorders. This study presents a bibliometric analysis of scientific publications on intranasal nanoemulsions from 2004 to 2024, based on data from the Scopus database. Methods: A total of 379 articles were analyzed using Bibliometrix and VOSviewer to identify publication trends, leading countries and institutions, prominent journals, and keyword networks. Results: Publications grew significantly over the last decade, with India, the United States, and China leading in volume. Keyword analysis revealed strong thematic clusters related to “brain targeting,” “drug delivery,” and “intranasal administration,” highlighting this route’s potential for bypassing the blood–brain barrier. The most studied compounds included curcumin, quercetin, carbamazepine, diazepam, and insulin, each with therapeutic applications in neurodegenerative and psychiatric disorders. Conclusions: The findings highlight growing interest in intranasal nano- and microemulsions as a non-invasive and efficient CNS delivery strategy. Future research can bridge translational gaps, enhancing efficacy and safety while meeting regulatory expectations for patient-centered drug development. This study provides a comprehensive overview of current trends and serves as a guide for advancing innovative intranasal delivery platforms. Full article
(This article belongs to the Special Issue Nanoemulsions for Nose-to-Brain Drug Delivery)
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