Irene Bravo‐Osuna

ORCID: 0000-0003-3133-7872
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About
Contact & Profiles
Research Areas
  • Ocular Surface and Contact Lens
  • Glaucoma and retinal disorders
  • Advanced Drug Delivery Systems
  • Retinal Diseases and Treatments
  • Corneal Surgery and Treatments
  • Retinal Development and Disorders
  • Corneal surgery and disorders
  • Dendrimers and Hyperbranched Polymers
  • Hormonal Regulation and Hypertension
  • RNA Interference and Gene Delivery
  • Retinopathy of Prematurity Studies
  • Retinal and Macular Surgery
  • Proteoglycans and glycosaminoglycans research
  • Advanced biosensing and bioanalysis techniques
  • Drug Solubulity and Delivery Systems
  • Inhalation and Respiratory Drug Delivery
  • Retinal Imaging and Analysis
  • Nerve injury and regeneration
  • Neurological Disorders and Treatments
  • Medical and Biological Sciences
  • Surfactants and Colloidal Systems
  • Cardiovascular, Neuropeptides, and Oxidative Stress Research
  • Advancements in Transdermal Drug Delivery
  • Drug-Induced Ocular Toxicity
  • Photoreceptor and optogenetics research

Instituto de Investigación Sanitaria del Hospital Clínico San Carlos
2016-2025

Universidad Complutense de Madrid
2016-2025

Hospital Clínico San Carlos
2020-2025

Instituto de Salud Carlos III
2016-2024

Centro de Investigación Biomédica en Red
2021

Université Paris-Sud
2006-2008

Centre National de la Recherche Scientifique
2006-2008

Universidad de Sevilla
2002-2007

Université Paris Cité
2007

Laboratoire d'Énergétique Moléculaire et Macroscopique, Combustion
2006

Abstract Choroidal neovascularization (CNV) is a major cause of visual impairment in patients suffering from wet age-related macular degeneration (AMD), particularly when refractory to intraocular anti-VEGF injections. Here we report that treatment with the oral mineralocorticoid receptor (MR) antagonist spironolactone reduces signs CNV treatment. In animal models AMD, pharmacological inhibition MR pathway or endothelial-specific deletion inhibits through VEGF-independent mechanisms, part...

10.1038/s41467-018-08125-6 article EN cc-by Nature Communications 2019-01-21

The purpose of this research was to determine the potential use water-soluble anionic and cationic carbosilane dendrimers (generations 1–3) as mucoadhesive polymers in eyedrop formulations. Cationic decorated with ammonium –NH3+ groups were prepared by hydrosylilation Boc-protected allylamine followed deprotection HCl. Anionic terminal carboxylate also employed study. In vitro vivo tolerance studies performed human ocular epithelial cell lines rabbit eyes respectively. interaction...

10.1021/acs.molpharmaceut.6b00182 article EN Molecular Pharmaceutics 2016-05-05

The present study aims to develop a thermo-responsive-injectable hydrogel (HyG) based on PLGA-PEG-PLGA (PLGA = poly-(DL-lactic acid co-glycolic acid); PEG polyethylene glycol) deliver neuroprotective agents the retina over time. Two PLGA-PEG PLGA copolymers with different PEG:LA:GA ratios (1:1.54:23.1 and 1:2.25:22.5) for HyG-1 HyG-2 development respectively were synthetized characterized by techniques (gel permeation chromatography (GPC), nuclear magnetic resonance (NMR), dynamic light...

10.3390/pharmaceutics13020234 article EN cc-by Pharmaceutics 2021-02-07

Successful drug therapies for treating ocular diseases require effective concentrations of neuroprotective compounds maintained over time at the site action. The purpose this work was to assess efficacy intravitreal controlled delivery tauroursodeoxycholic acid (TUDCA) encapsulated in poly(D,L-lactic-co-glycolic acid) (PLGA) microspheres treatment retina a rat model retinitis pigmentosa. PLGA (MSs) containing TUDCA were produced by O/W emulsion-solvent evaporation technique. Particle size...

10.1371/journal.pone.0177998 article EN cc-by PLoS ONE 2017-05-25

The increment in ocular drug bioavailability after topical administration is one of the main challenges pharmaceutical technology. For several years, different strategies based on nanotechnology, hydrogels or implants have been evaluated. Nowadays, tolerance ophthalmic preparations has become a critical issue and it essential to use well tolerated excipients. In present work, we explored potential gelatin nanoparticles (GNPs) loaded with timolol maleate (TM), beta-adrenergic blocker widely...

10.3390/pharmaceutics12040306 article EN cc-by Pharmaceutics 2020-03-28

The combination of acetazolamide-loaded nano-liposomes and Hydroxypropyl methylcellulose (HPMC) with similar components to the preocular tear film in an osmoprotectant media (trehalose erythritol) is proposed as a novel strategy increase ocular bioavailability poorly soluble drugs. Ophthalmic formulations based on liposomes, dispersed solution (ACZ-LP) or HPMC (ACZ-LP-P) were characterized vivo evaluated. pH tonicity both resulted physiological ranges. inclusion produced increment viscosity...

10.3390/polym11060929 article EN Polymers 2019-05-28
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