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Pentablock copolymers based controlled release formulations of small and macromolecules for ophthalmic applications
(University of Missouri--Kansas City, 2012)
Pentablock copolymers comprised of multi-polymer blocks such as polyethylene
glycol (PEG), polycaprolactone (PCL) and poly-lactide (PLA) were developed for
fabrication of nanoparticles and thermosensitive hydrogel ...
Nutrient Transporter targeted Delivery of HIV Protease Inhibitors
(University of Missouri--Kansas City, 2011-01-20)
into possible reasons for inconsistencies reported from various laboratories....
Sustained release nanoparticles containing acyclovir prodrugs for ocular herpes simplex keratitis and characterization of folate transport proteins in a corneal epithelial cell line
(University of Missouri-Kansas City, 2011-12-21)
Ocular herpes is a persistent viral infection caused by the herpes simplex virus-1. It is one of
the most common infectious diseases causing corneal blindness in the United States. In this
study, polymeric nanoparticles ...
Novel drug interaction for improving intracellular accumulation and efficacy of chemotherapeutics in retinoblastoma and mitochondrial localization of transporters in corneal epithelial cells
(University of Missouri--Kansas City, 2013-03-15)
Chemoreduction is the key treatment for retinoblastoma management. However, anticancer agents suffer from poor cell permeability and chemoresistance due to major interaction with multidrug resistant (MDR) efflux proteins ...
EVASION OF EFFLUX AND ENHANCING BIOAVAILABILITY OF AMPRENAVIR BY PRODRUG DERIVATIZATION
(2013)
system (CNS) permeation of PIs is the presence of efflux proteins on brain capillary endothelial cells. There are several reports demonstrating that PIs are substrates of efflux proteins which limit their oral bioavailability and brain permeation. Various...
Topical Nanoparticulate Formulation of Drugs for Ocular Keratitis
(2015-08-11)
The primary objective of this project is to develop drug-loaded polymeric nanoparticles
suspended in a biocompatible gel for topical delivery of therapeutic agents commonly
employed in the treatment of ocular viral/bacterial ...
Role of Membrane Transporters in Drug Delivery, Drug Disposition And Drug-Drug Interactions
(2014-08-28)
Tissues such as liver, kidney, brain and intestine expresses membrane transporters which play a vital role in drug absorption, distribution, metabolism and excretion. Understanding of functionality and molecular expression ...
Fomulation and Delivery of Drugs for Macular Edema and Retinoblastoma; Synthesis and In Vitro Characterization of Doxorubicin Loaded Surface Modified Nanoparticles Using PLGA-PEG-PLGA Polymer
(University of Missouri--Kansas City, 2011-01-20)
Macular edema (ME) is caused by central extravascular swelling of the macula resulting in a significant loss of visual activity. Corticosteroids are widely used in the treatment of ME. In this project, nanoparticles of ...
Transporter-Targeted Prodrug Delivery to Improve Oral Bioavailability of Saquinavir
(2015-05-22)
Saquinavir (SQV) is the first antiretroviral protease inhibitor approved by Food and
Drug Administration in the United States for the treatment of HIV infection due to its
potent anti-HIV activity. However, some unfavorable ...
Ritonavir - A Novel Multidrug Resistance Modulator in Cancer Chemotherapy and Ocular Neovascular Diseases
(2014-08-28)
Multidrug resistance (MDR), a clinical outcome characterized by subtherapeutic
intracellular drug concentration, is one of the predominant factors limiting effective cancer
chemotherapy. Several possible mechanisms and ...
Development and evaluation of novel in situ depot-forming controlled release formulations
(University of Missouri--Kansas City, 2011-10-24)
Controlled drug delivery utilizing novel biodegradable and biocompatible pentablock copolymers could be a valuable strategy for the treatment of chronic eye diseases. In attempts to achieve controlled drug release, various ...
Improved delivery of molecularly targeted agents upon modulation of multidrug resistance efflux proteins at mouse blood brain barrier
(University of Missouri--Kansas City, 2012)
Recurrent brain tumors are one of the most lethal forms of solid tumors with poor
prognosis. Molecularly targeted therapy, inhibiting the tyrosine kinase domain of
epidermal growth factor receptor (EGFR), platelet derived ...
Ocular pharmacokinetics and efficacy of various amino acid and dipeptide prodrugs of ganciclovir
(University of Missouri--Kansas City, 2012-10-02)
Herpes simplex virus infections (HSV) in the eye are one of the leading causes of blindness across the world. Current available treatment options to treat HSV infections are solutions of trifluorothymidine (TFT), idoxuridine ...
Novel in vitro cell culture models for studying pharmacokinetic drug-drug interactions following oral administration
(University of Missouri--Kansas City, 2011-09-21)
In this study different in vitro models were developed to study the long term and short term drug- drug interactions occurring upon oral administration. MDCK cells were stably transfected for the simultaneous expression ...
Novel targeted lipid prodrugs to improve cellular absorption of acyclovir and topical delivery to the eye via nanomicellar approach
(2013)
Biotinylated lipid prodrugs of acyclovir (ACV) were designed to target the
sodium dependent multivitamin transporter (SMVT) on the intestine and cornea to
facilitate ACV cellular transport. All the prodrugs were screened ...
Formulation of nanoparticles encapsulating hydrophilic molecules following their ionic complexation
(University of Missouri--Kansas City, 2011-06-01)
Part 1: Dexamethasone is one of the most widely used drug molecules for the treatment of posterior segment ocular diseases. The major problems associated with the delivery of dexamethasone include its poor aqueous solubility ...
Novel Transporter Targeted Lipid Ester Prodrugs of Cidofovir and Sustained Release Formulations for Cytomegalovirus Infection
(2013)
Cidofovir (CDF) has shown potential in vitro and in vivo antiviral activity against cytomegalovirus (CMV) retinitis. However, low CDF permeability due to its hydrophilic nature limits its effectiveness. Furthermore, ...
Development of Pentablock Copolymer Based Formulations for the Sustained Delivery of Protein Therapeutics in the Treatment of Posterior Segment Ocular Diseases
(2013)
We have successfully synthesized pentablock (PB) copolymers comprised of various FDA approved polymer blocks such as polyethylene glycol (PEG), polycaprolactone (PCL), polylactic acid (PLA) and polyglycolic acid (PGA). PB ...
Novel Approaches for Targeted Delivery of Cancer Therapeutics to Nuclei of Malignant Cells
(University of Missouri--Kansas City, 2016)
The primary goal of this project is to increase specific uptake of anti-cancer therapeutics by
nuclei of cancer cells. A lot of research has been done to target therapeutics specifically across
plasma membrane of ...
Development of polymeric nanoparticulate formulation encapsulating protein molecules following hydrophobic ion pairing complexation
(2014)
Several formulation strategies have been employed to enable sustained delivery of antibody therapeutics by nanoparticulate based dosage forms. However, development of sustained release nanoparticulate based dosage form for ...