PubMed Journals Articles About "Intrathecal Liposomal Temozolomide Glioblastoma Multiforme" RSS

02:17 EST 18th January 2019 | BioPortfolio

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Showing "Intrathecal liposomal Temozolomide Glioblastoma Multiforme" PubMed Articles 1–25 of 699

High-dose fotemustine in temozolomide-pretreated glioblastoma multiforme patients: A phase I/II trial.

Glioblastoma multiforme (GBM) is a rare and deadly disease, with a reported average incidence rate of 3.19 cases per 100,000 inhabitants. Fotemustine, a third-generation nitrosourea with an alanine phosphor carrier that facilitates cellular penetration, has been extensively investigated in the setting of recurrent/progressive disease after initial treatment. Fotemustine is usually administered following a schedule consisting of 3 doses every week, followed by maintenance doses administered every 3 weeks.

Immunohistochemical Evaluation of Hemostatic Changes in Glioblastoma Multiforme and Low-Grade Astrocytoma.

In glioblastoma multiforme, the balance between the procoagulant system, anticoagulant system and fibrinolytic system is impaired in favour of hypercoagulability. The aim of this study was to compare glioblastoma multiforme with astrocytoma grade II by subjectively evaluating the levels of prothrombin and biotinylation thrombin, and G protein serum protease activatin receptors, as tissue factors causing hypercoagulation and affecting coagulation.

Phase 2 Study of Radiation Therapy Plus Low Dose Temozolomide Followed by Temozolomide and Irinotecan for Glioblastoma: NRG Oncology RTOG Trial 0420.

Evaluate the toxicity and efficacy of adjuvant temozolomide (TMZ) and irinotecan (CPT-11) for 12 months following concurrent chemo-radiation in newly diagnosed glioblastoma (GBM).

Chemotherapy sensitization of glioblastoma by focused ultrasound-mediated delivery of therapeutic liposomes.

In glioblastoma, the benefit from temozolomide chemotherapy is largely limited to a subgroup of patients (30-35%) with tumors exhibiting methylation of the promoter region of the O-methylguanine-DNA methyltransferase (MGMT) gene. In order to allow more patients to benefit from this treatment, we explored magnetic resonance image-guided microbubble-enhanced low-intensity pulsed focused ultrasound (LIFU) to transiently open the blood-brain barrier and deliver a first-in-class liposome-loaded small molecule MG...

Hypofractionated accelerated radiotherapy (HART) with concurrent and adjuvant temozolomide in newly diagnosed glioblastoma: a phase II randomized trial (HART-GBM trial).

Maximal safe surgical resection followed by adjuvant chemoradiation has been standard for newly diagnosed glioblastoma multiforme (GBM). Hypofractionated accelerated radiotherapy (HART) has the potential to improve outcome as it reduces the overall treatment time and increases the biological effective dose.

MiR-7-5p suppresses stemness and enhances temozolomide sensitivity of drug-resistant glioblastoma cells by targeting Yin Yang 1.

Glioblastoma multiforme (GBM) is the most malignant tumor of the central nervous system, and chemoresistance blunts the effect of temozolomide (TMZ) in the treatment of GBM. Clarifying the underlying mechanism of chemoresistance might yield novel strategies to improve the patients' response to chemotherapeutics. Mounting evidence indicates that microRNAs (miRNAs) are involved in chemoresistance and tumorigenesis. At present, miR-7-5p has been recognized as a tumor suppressor involved in multiple cancers. Ho...

Statins: a new approach to combat temozolomide chemoresistance in glioblastoma.

Patients with glioblastoma multiforme (GBM) have an average life expectancy of approximately 15 months. Recently, statins have emerged as a potential adjuvant cancer therapy due to their ability to inhibit cell proliferation and induce apoptosis in many types of cancer. The exact mechanisms that mediate the inhibitory actions of statins in cancer cells are largely unknown. The purpose of this proceeding paper is to discuss some of the known anticancer effects of statins, while focusing on GBM therapy that i...

Piezoelectric barium titanate nanostimulators for the treatment of glioblastoma multiforme.

Major obstacles to the successful treatment of gliolastoma multiforme are mostly related to the acquired resistance to chemotherapy drugs and, after surgery, to the cancer recurrence in correspondence of residual microscopic foci. As innovative anticancer approach, low-intensity electric stimulation represents a physical treatment able to reduce multidrug resistance of cancer and to induce remarkable anti-proliferative effects by interfering with Ca and K homeostasis and by affecting the organization of the...

The TNF Receptor Family Member Fn14 is Highly Expressed in Recurrent Glioblastoma (GBM) and in GBM Patient-Derived Xenografts With Acquired Temozolomide Resistance.

Glioblastoma (GBM) is a difficult-to-treat brain cancer that nearly uniformly recurs, and recurrent tumors are largely therapy-resistant. Our prior work has demonstrated an important role for the TWEAK receptor Fn14 in GBM patho-biology. In this study, we investigated Fn14 expression in recurrent GBM and in the setting of temozolomide (TMZ) resistance.

One decade of glioblastoma multiforme surgery in 342 elderly patients: what have we learned?

Glioblastoma multiforme (GBM) is the most common malignant primary brain tumor in adults with peak incidence in patients older than 65 years. These patients are mostly underrepresented in clinical trials and often undertreated due to concomitant diseases. Recently, different therapeutic approaches for elderly patients with GBM were discussed. To date, there is no defined standard treatment. The aim of the present study is to evaluate the functional and oncological outcome in surgical treatment of elderly p...

Study on Therapeutic Action and Mechanism of TMZ Combined with RITA Against Glioblastoma.

Glioblastoma multiforme (GBM) is a malignant and aggressive central nervous system (CNS) tumor with high mortality and low survival rate. Effective treatment of GMB is a challenge worldwide. Temozolomide (TMZ) is a drug used to treat GBM, while the survival period of GBM patients with positive treatment remains less than 15 months. Reactivating p53 and Inducing Tumor Apoptosis (RITA) is a novel potential anti-cancer small molecular drug. Thus, it is essential to discover novel targets or develop effective d...

Cannabidiol Affects Extracellular Vesicle Release, miR21 and miR126, and Reduces Prohibitin Protein in Glioblastoma Multiforme Cells.

Glioblastoma multiforme (GBM) is the most common and aggressive form of primary malignant brain tumor in adults, with poor prognosis. Extracellular vesicles (EVs) are key-mediators for cellular communication through transfer of proteins and genetic material. Cancers, such as GBM, use EV release for drug-efflux, pro-oncogenic signaling, invasion and immunosuppression; thus the modulation of EV release and cargo is of considerable clinical relevance. As EV-inhibitors have been shown to increase sensitivity of...

Increased Expression of GRP78 in Recurrent GBM Patients.

The resistance to chemotherapy is a significant clinical issue in recurrent glioma. Chemotherapy such as temozolomide is used for glioblastoma multiforme (GBM) treatment. However, the medical diagnosis of patients with GBM is lower than expected and its recurrence rate is high. The research on targeted therapies based on novel molecular markers for GBM patients is important. The molecular chaperone Glucose-regulated protein 78 kda (GRP78) is overexpressed in various tumors and in the endoplasmic reticulum.

Cytotoxicity of Ultraviolet-C Radiation on a Heterogeneous Population of Human Glioblastoma Multiforme Cells: Meta-analysis.

Current treatment strategies for glioblastoma multiforme are limited due to early recurrence and heterogeneity of the cell population that causes a varied response to treatment. Ultraviolet-C (UVC) radiation may be a potential adjuvant treatment that could theoretically be delivered locally by implantable micro-electromechanical systems that sense and kill early recurrence and/or minimally residual cancer. In vitro irradiation experiments are limited because they commonly use a single cell line. Therefore o...

Tumour Treating Fields (TTFs) for recurrent and newly diagnosed glioblastoma multiforme.

In the last decade, significant advances have been made in Glioblastoma Multiforme treatment with the novel use of alternating electrical fields, also termed as tumour treating fields (TTFs). This modality has shown promising results in recurrent and newly diagnosed GBM patients, and according to some, may soon be considered an addition to the previously known 'trifecta' of GBM standard of care, i.e., surgery, chemo and radiation therapy.Here we review the existing data on TTF for both recurrent and newly d...

A case of subgaleal metastasis from glioblastoma multiforme.

The significance of MGMT methylation in Glioblastoma Multiforme prognosis.

Methylation of O6-methylguanine-DNA methyltransferase (MGMT) has been extensively studied as a biomarker in predicting the prognosis of patients with GBM (Glioblastoma multiforme). Its significance has been studied in various subgroups, including age, gender and even race. Correlation between prognosis with MGMT methylation and different treatment regimens has also been studied in detail. There are multiple techniques to analyze MGMT methylation in tumour specimen. We review the current evidence for the imp...

Good tolerability of maintenance temozolomide in glioblastoma patients after severe hematological toxicity during concomitant radiotherapy and temozolomide treatment: report of two cases.

Glioblastoma is the most common and aggressive primitive brain tumor in adults. Temozolomide (TMZ) administered daily with radiation therapy, followed by adjuvant TMZ has become the standard treatment. Although TMZ treatment has been considered to have a low toxicity profile, studies have noted the development of a severe myelosuppression, especially during the concomitant treatment; this toxicity may in some cases be prolonged and consequently treatment must be definitively discontinued. We analyzed two ca...

Exosomal Transfer of miR-151a Enhances Chemosensitivity to Temozolomide in Drug-resistant Glioblastoma.

Chemoresistance blunts the effect of Temozolomide (TMZ) in the treatment of glioblastoma multiforme (GBM). Whether exosomal transfer of miRNAs derived from TMZ-resistant GBM cells could confer TMZ resistance remains to be determined. qPCR was used to determine miR-151a expression in two TMZ-resistant GBM cell lines. The direct targets of miR-151a were identified by microarray assays, bioinformatics and further RNA chromatin immunoprecipitation (RNA-ChIP) assay. We characterized exosomes from TMZ-resistant ...

Zinc-doped copper oxide nanocomposites reverse temozolomide resistance in glioblastoma by inhibiting AKT and ERK1/2.

To assess the effect of zinc-doped copper oxide nanocomposites (nZn-CuO NPs) on glioblastoma therapy.

Pyr3 Induces Apoptosis and Inhibits Migration in Human Glioblastoma Cells.

Glioblastoma, also known as glioblastoma multiforme (GBM), is a fast-growing type of tumor that is the most aggressive brain malignancy in adults. According to GEO profile analysis, patients with high transient receptor potential canonical 3 (TRPC3) expression have poor survival rates. The aim of this study is to evaluate the effects of Ethyl-1-(4-(2,3,3-trichloroacrylamide)phenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate (Pyr3), a selective TRPC3 channel blocker, on the proliferation and migration of ...

Prospective Series of Nine Long Noncoding RNAs Associated with Survival of Patients with Glioblastoma.

 To analyze the long noncoding RNA (lncRNA) expression profile of glioblastoma multiforme (GBM) and identify prognosis-related lncRNAs, as well as their related protein-coding genes and functions.

Thioridazine inhibits autophagy and sensitizes glioblastoma cells to temozolomide.

Glioblastoma multiforme (GBM) has a poor prognosis with an overall survival of 14-15 months following surgery, radiation and chemotherapy using temozolomide (TMZ). A major problem is that the tumors acquire resistance to therapy. In an effort to improve the therapeutic efficacy of TMZ, we performed a genome-wide RNA interference (RNAi) synthetic lethality screen to establish a functional gene signature for TMZ sensitivity in human GBM cells. We then queried the Connectivity Map database to search for drugs ...

Phase 1 lead-in to a phase 2 factorial study of temozolomide plus memantine, mefloquine, and metformin as postradiation adjuvant therapy for newly diagnosed glioblastoma.

Repurposed memantine, mefloquine, and metformin have putative anticancer activity. The objective of this phase 1 study was to determine the maximum tolerated doses (MTDs) of combinations of these agents with temozolomide (TMZ).

CNS inflammatory disorder after concurrent radiotherapy-temozolomide and nivolumab in a glioblastoma patient.

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