Academic Journal

Intranasal hybrid nanoparticles encapsulating rizatriptan enhance antimigraine efficacy in an optogenetic spreading depression model.

Λεπτομέρειες βιβλιογραφικής εγγραφής
Τίτλος: Intranasal hybrid nanoparticles encapsulating rizatriptan enhance antimigraine efficacy in an optogenetic spreading depression model.
Συγγραφείς: Kaya MZ; Neurovascular Research Unit, Massachusetts General Hospital, Boston, MA, USA; Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey., Gultekin Y; Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey., Celebier M; Department of Analytical Chemistry, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey., Soyseven M; Anadolu University, Yunus Emre SHMYO, Department of Analytical Chemistry, Eskisehir, Turkey., Vural I; Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey., Oner L; Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey., Ayata C; Neurovascular Research Unit, Massachusetts General Hospital, Boston, MA, USA., Pehlivan SB; Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey. Electronic address: sbozdag@hacettepe.edu.tr., Harriott AM; Neurovascular Research Unit, Massachusetts General Hospital, Boston, MA, USA.
Πηγή: International journal of pharmaceutics [Int J Pharm] 2026 Apr 10; Vol. 694, pp. 126743. Date of Electronic Publication: 2026 Mar 05.
Τύπος έκδοσης: Journal Article
Γλώσσα: English
Στοιχεία περιοδικού: Publisher: Elsevier/North-Holland Biomedical Press Country of Publication: Netherlands NLM ID: 7804127 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-3476 (Electronic) Linking ISSN: 03785173 NLM ISO Abbreviation: Int J Pharm Subsets: MEDLINE
Imprint Name(s): Original Publication: Amsterdam, Elsevier/North-Holland Biomedical Press.
Ιατρικοί όροι (MeSH): Nanoparticles*/chemistry , Nanoparticles*/administration & dosage , Tryptamines*/administration & dosage , Tryptamines*/pharmacokinetics , Tryptamines*/chemistry , Tryptamines*/pharmacology , Cortical Spreading Depression*/drug effects , Migraine Disorders*/drug therapy , Migraine Disorders*/physiopathology, Polylactic Acid-Polyglycolic Acid Copolymer/chemistry ; Calcitonin Gene-Related Peptide/administration & dosage ; Calcitonin Gene-Related Peptide/chemistry ; Hyperalgesia/drug therapy ; Brain/metabolism ; Brain/drug effects ; Animals ; Administration, Intranasal ; Male ; Mice ; Drug Liberation ; Disease Models, Animal ; Mice, Inbred C57BL ; Delayed-Action Preparations ; Triazoles
Περίληψη: Cortical spreading depression (SD) is the likely cause of migraine aura and a putative headache trigger. Migraine treatments, including triptans and calcitonin gene related peptide (CGRP) receptor antagonists, are limited by poor bioavailability. This study evaluates whether intranasally administered poly lactic co-glycolic acid (PLGA) based hybrid nanoparticles (HNPs) encapsulating rizatriptan (RZT) could provide sustained drug release, enhance brain delivery, and improve therapeutic efficacy against periorbital allodynia triggered by optogenetic SD in mice. CGRP8-37 was conjugated to the nanoparticle surface (HNP-CGRP8-37) and RZT encapsulated whitin HNPs (HNP-RZT). were intranasally administered alone or in combination and compared with intraperitoneal CGRP8-37 and RZT. Formulations were characterized for particle size, zeta potential, and polydispersity index, and assessed for in vitro drug release, cytotoxicity, and in vivo brain RZT concentrations. In the acute SD model, periorbital allodynia was evaluated 1 h after a single SD. In the repeated SD paradigm, seven SDs were induced every other day, and periorbital thresholds were assessed up to 6 days after the final SD. HNPs exhibited uniform particle size (<200 nm), positive zeta potential, and low polydispersity. RZT release from HNP-RZT was sustained in vitro. Intranasal HNP-RZT demonstrated prolonged brain RZT retention compared with intraperitoneal RZT. In the acute SD model, HNP-RZT did not reach statistical significance (p = 0.065), whereas intraperitoneal RZT significantly increased periorbital thresholds. In contrast, in the repeated SD model, HNP-RZT demonstrated delayed but persistent suppression of allodynia compared with intraperitoneal RZT. These findings support the potential of intranasal nanoparticle-based delivery to prolong central exposure of RZT and enhance therapeutic durability in chronic SD conditions.
(Copyright © 2026 Elsevier B.V. All rights reserved.)
Competing Interests: Declaration of competing interest The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: Given their role as International Journal of Pharmaceutics, Andrea M. Harriott serves on the Board of Directors of the American Headache Society, AmericanMigraine Foundation and Headache Cooperative of New England, has served on Scientific Advisory Boards for Theranica and Abbvie. Melih Z. Kaya and Yakup Gultekin are former co-founders of Nanomy LLC. Mustafa Celebier, Murat Soyseven, Imran Vural, Levent Oner, Cenk Ayata and Sibel Bozdag Pehlivan don’t have anything to declare.
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Grant Information: K08 NS124991 United States NS NINDS NIH HHS
Contributed Indexing: Keywords: CGRP(8-37); Hybrid nanoparticle; Migraine; Optogenetic cortical spreading depression; Periorbital allodynia; Rizatriptan
Substance Nomenclature: 51086HBW8G (rizatriptan)
0 (Tryptamines)
1SIA8062RS (Polylactic Acid-Polyglycolic Acid Copolymer)
JHB2QIZ69Z (Calcitonin Gene-Related Peptide)
0 (Delayed-Action Preparations)
0 (Triazoles)
Entry Date(s): Date Created: 20260307 Date Completed: 20260710 Latest Revision: 20260813
Update Code: 20260813
PubMed Central ID: PMC13174935
DOI: 10.1016/j.ijpharm.2026.126743
PMID: 41794348
Βάση Δεδομένων: MEDLINE
Περιγραφή
ISSN:1873-3476
DOI:10.1016/j.ijpharm.2026.126743