Treatment of rat brain tumors using sustained-release of camptothecin from poly (lactic-co-glycolic acid) microspheres in a thermoreversible hydrogel

T Ozeki, K Hashizawa, D Kaneko, Y Imai… - Chemical and …, 2010 - jstage.jst.go.jp
A thermoreversible gelation polymer consisting of an aqueous solution in the sol state at
room temperature and in the gel state near body temperature was examined for its use in the …

Improvement of survival in C6 rat glioma model by a sustained drug release from localized PLGA microspheres in a thermoreversible hydrogel

T Ozeki, D Kaneko, K Hashizawa, Y Imai… - International journal of …, 2012 - Elsevier
A local drug delivery system based on sustained drug release is an attractive approach to
treat brain tumors. We have developed a novel device using drug-incorporated poly (lactic …

Combination therapy of surgical tumor resection with implantation of a hydrogel containing camptothecin-loaded poly (lactic-co-glycolic acid) microspheres in a C6 rat …

T Ozeki, D Kaneko, K Hashizawa, Y Imai… - Biological and …, 2012 - jstage.jst.go.jp
We have developed a drug-loaded poly (lactic-co-glycolic acid)(PLGA) microsphere-
containing thermoreversible gelation polymer (TGP)(drug/PLGA/TGP) formulation as a novel …

Novel local drug delivery system using thermoreversible gel in combination with polymeric microspheres or liposomes

T Arai, O Benny, T Joki, LG Menon, M Machluf… - Anticancer …, 2010 - ar.iiarjournals.org
Background: The purpose of our study was to evaluate the application of thermoreversible
gelation polymer (TGP) as a local drug delivery system for malignant glioma. Materials and …

Novel drug delivery system using thermoreversible gelation polymer for malignant glioma

T Arai, T Joki, M Akiyama, M Agawa, Y Mori… - Journal of neuro …, 2006 - Springer
Many approaches to local tumor treatment have been reported and their efficacy
demonstrated in patients with malignant glioma. We studied thermoreversible gelation …

Antitumor characteristics of methoxypolyethylene glycol–poly (dl-lactic acid) nanoparticles containing camptothecin

H Miura, H Onishi, M Sasatsu, Y Machida - Journal of controlled release, 2004 - Elsevier
The novel nanoparticles (CPT-NP) were prepared by the solvent evaporation method using
methoxypolyethylene glycol–poly (dl-lactic acid) block copolymer as a matrix and …

Effects of 10-hydroxycamptothecin, delivered from locally injectable poly (lactide-co-glycolide) microspheres, in a murine human oral squamous cell carcinoma …

SR Mallery, A Shenderova, P Pei, S Begum… - Anticancer …, 2001 - europepmc.org
This study investigated whether local delivery of 10-hydroxycamptothecin provides effective
inductive chemotherapy as assessed by significant tumor reduction. Established tumorigenic …

A micelle-shedding thermosensitive hydrogel as sustained release formulation

AJ de Graaf, IIAP dos Santos, EHE Pieters… - Journal of controlled …, 2012 - Elsevier
In this paper it is shown that when a thermosensitive hydrogel based on poly (N-
isopropylacrylamide)-poly (ethylene glycol)-poly (N-isopropylacrylamide)(pNIPAm-PEG …

Enhancement of the fraction of the active form of an antitumor drug topotecan via an injectable hydrogel

G Chang, T Ci, L Yu, J Ding - Journal of controlled release, 2011 - Elsevier
Poly (D, L-lactic acid-co-glycolic acid)-b-poly (ethylene glycol)-b-poly (D, L-lactic acid-co-
glycolic acid)(PLGA–PEG–PLGA) hydrogels were tried as implants to encapsulate antitumor …

Poly (D, L-lactic-co-glycolic acid) microspheres for sustained delivery and stabilization of camptothecin

B Ertl, P Platzer, M Wirth, F Gabor - Journal of Controlled Release, 1999 - Elsevier
Camptothecin (CPT) and its water-insoluble derivatives are known as topoisomerase-I
inhibitors exhibiting high antitumoral activity against a wide spectrum of human …