Advanced search
Start date
Betweenand
Related content
(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Hyaluronic acid in Pluronic F-127/F-108 hydrogels for postoperative pain in arthroplasties: Influence on physico-chemical properties and structural requirements for sustained drug-release

Full text
Author(s):
Nascimento, M. H. M. [1] ; Franco, M. K. K. D. [2] ; Yokaichyia, F. [3] ; de Paula, E. [4] ; Lombello, C. B. [5] ; de Araujo, D. R. [1]
Total Authors: 6
Affiliation:
[1] ABC Fed Univ, Human & Nat Sci Ctr, Ave Estados 5001, Bloco A, Torre 3, Sala 623-3, BR-09021058 Santo Andre, SP - Brazil
[2] Nucl & Energy Res Inst, Sao Paulo, SP - Brazil
[3] Helmholtz Zentrum Berlin Mat & Energie GmbH, Dept Quantum Phenomena Novel Mat, Berlin - Germany
[4] Univ Estadual Campinas, Dept Biochem & Tissue Biol, Inst Biol, Campinas, SP - Brazil
[5] ABC Fed Univ, Engn Modelling & Appl Social Sci Ctr, Sao Paulo - Brazil
Total Affiliations: 5
Document type: Journal article
Source: International Journal of Biological Macromolecules; v. 111, p. 1245-1254, MAY 2018.
Web of Science Citations: 11
Abstract

In this study, we reported the hyaluronic acid (HA) on supramolecular structure of Pluronic F-127 (PLF-127) and/or Pluronic F-108 (PLF-127) hydrogels, as well as their effects on release mechanisms, looking forward their application as lidocaine (LDC) drug-delivery systems in arthroplastic surgeries. We have studied the HA-micelle interaction using Dynamic Light Scattering (DLS), the micellization and sol-gel transition processes by Differential Scanning Calorimetry (DSC) and Rheology., of PL-based hydrogels and. The presence of HA provided the formation of larger micellar dimensions from similar to 26.0 to 42.4 nm. The incorporation of HA did not change the micellization temperatures and stabilized hydrogels rheological properties (G' > G `'), showing no interference on PL-thermoreversible properties. Small-Angle-X-ray Scattering (SAXS) patterns revealed that HA incorporation effects were pronounced for PLF-127 and PLF-108 systems, showing transitions from lamellar to hexagonal phase organization (HA-PLF-127) and structural changes from cubic to gyroid and/or cubic to lamellar. The HA insertion effects were also observed on drug release profiles, since lower LDC release constants (K-rel = 0.24-0.41 mM.h(-1)) were observed for HA-PLF-127, that presented a hexagonal phase organization. Furthermore, the HA-PL systems presented reduced in vitro cytotoxic effects, pointed out their tendency to self assembly and possible application as drug delivery systems. (C) 2018 Elsevier B.V. All rights reserved. (AU)

FAPESP's process: 14/26200-9 - Nanostructured hybrid systems for modified release of antiinflammatpry drugs: development and pharmacological evaluation
Grantee:Daniele Ribeiro de Araujo
Support Opportunities: Regular Research Grants
FAPESP's process: 14/14457-5 - Lipid-based nanocarriers (SLN/NLC and remote-loading liposomes) used to improve the upload and potency of local anesthetics
Grantee:Eneida de Paula
Support Opportunities: Research Projects - Thematic Grants
FAPESP's process: 15/14763-1 - Poloxamer-hyaluronic acid hydrogels as sulforaphane delivery systems for the osteoarthritis treatment.
Grantee:Mônica Helena Monteiro Do Nascimento
Support Opportunities: Scholarships in Brazil - Doctorate