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19:02 EST 10th December 2018 | BioPortfolio

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Showing "Curtana granted Orphan designation gliomas treatment" PubMed Articles 1–25 of 28,000+

Comprehensive evaluation of treatment and outcomes of low-grade diffuse gliomas.

Low-grade gliomas affect younger adults and carry a favorable prognosis. They include a variety of biological features affecting clinical behavior and treatment. Having no guidelines on treatment established, we aim to describe clinical and treatment patterns of low-grade gliomas across the largest cancer database in the United States.

Comparison of adjuvant radiation therapy alone and chemotherapy alone for low-grade gliomas without surgical resection.

The combined use of chemotherapy (CT) and radiotherapy (RT) is becoming increasingly common in the treatment of surgical resected low-grade gliomas (LGGs). However, whether RT or CT is associated with improved overall survival (OS) for low-grade gliomas without surgical resection is less clear.

FDA Expectations for Demonstrating Interchangeability.

There is a great interest from global companies who are developing biosimilars to pursue interchangeability designation for commercialization of their products in the US. An interchangeability designation will not only allow the substitutability at the pharmacy level without the intervention of a health care provider but the first sponsor who is able to garner interchangeability designation will also receive 12 months of marketing exclusivity. This paper will highlight our current understanding of FDA expec...

Laser Interstitial Thermal Therapy as a Primary Treatment for Deep Inaccessible Gliomas.

Treatment strategies for deep intracranial gliomas remain limited to stereotactic biopsy in many cases due to the morbidity of aggressive surgical resection. Since no cytoreductive therapy is offered, outcomes have been demonstrably poor compared to patients who are able to undergo primary surgical resection.

An evidence-based approach to assess the accuracy of diffusion kurtosis imaging in characterization of gliomas.

Accurate and noninvasive pathologic grading of glioma patients before surgery was crucial to guiding clinicians to select appropriate treatment and improve patient prognosis. This study was performed to investigate the potential diagnostic value of diffusion kurtosis imaging (DKI) to distinguish high-grade gliomas (HGGs) from low-grade gliomas (LGGs) based on an evidence-based approach.

Perilesional apparent diffusion coefficient in the preoperative evaluation of glioma grade.

Preoperative identification of high-grade gliomas is critical to optimize treatment strategy and to predict prognosis. To determine whether perilesional apparent diffusion coefficient (ADC) values differ between high- and low-grade tumors, we assessed water diffusivity within normal-appearing brain parenchyma (NABP) surrounding gliomas in twenty-one treatment-naïve patients. This showed significantly lower mean and 25th percentile (Q1) ADC values in high- grade compared to low-grade gliomas respectively in...

Stereotactic Cryodestruction of Gliomas.

Surgical resection of gliomas affecting functionally important brain structures is associated with high risk of permanent postoperative neurological deficit and deterioration of the patient's quality of life. The availability of modern neuroimaging and neuronavigation permits the application of minimally invasive stereotactic cryodestruction of the tumor in such cases. The authors used this treatment in 88 patients with supratentorial gliomas of various WHO histopathological grades not suitable for microsur...

Fluorescence-guided surgery with aminolevulinic acid for low-grade gliomas.

Fluorescence guided surgery has developed over the last 2 decades as a formidable augmentation strategy to promote maximal safe resection and diagnostic accuracy within gliomas. The majority of the literature evidence supporting this modality utilizes 5-aminolevulinic acid in the setting of high-grade gliomas. The role for fluorescence guided surgery in low-grade gliomas is less well defined.

F-FET-PET as a biomarker for therapy response in non-contrast enhancing glioma following chemotherapy.

Monitoring treatment response after chemotherapy of gadolinium-(Gd)-negative gliomas is challenging as conventional MRI often indicates no radiological changes. We hypothesize that F-FET-PET can be used as a biomarker for response assessment in Gd-negative gliomas undergoing chemotherapy.


The relapse rate in antiphospholipid syndrome (APS) remains high, i.e. around 20%-21% at 5 years in thrombotic APS and 20-28% in obstetrical APS (Cervera et al., 2009, 2015 [2,3]). Hydroxychloroquine (HCQ) appears as an additional therapy, as it possesses immunomodulatory and anti-thrombotic various effects (Pericleous et al., 2016; Andrade and Tektonidou, 2016; Belizna, 2015; Erkan et al., 2014; Erkan and Lockshin, 2012; De Carolis et al., 2015; Mekinian et al., 2015; Merashli et al., 2015; Galli, 2014; ...

Features of diffuse gliomas that are misdiagnosed on initial neuroimaging: a case control study.

The neuroimaging diagnosis of diffuse gliomas can be challenging owing to their variable clinical and radiologic presentation. The purpose of this study was to identify factors that are associated with imaging errors in the diagnosis of diffuse gliomas.

An autoregulatory loop controlling orphan nuclear receptor DAX-1 gene expression by orphan nuclear receptor ERRγ.

Photodynamic Therapy of Malignant Gliomas.

Recently, the clinical applications of photodynamic therapy (PDT) in the management of malignant brain tumors have attracted significant attention. Meta-analysis of the observational studies on this treatment in high-grade gliomas (Eljamel, 2010) included more than 1,000 patients and reported median survival in cases of newly diagnosed and recurrent glioblastoma multiforme (GBM) of 16.1 and 10.3 months, respectively. In some series, increase in the long-term survival rates was also observed. Few controlled ...

Using smaller-than-standard radiation treatment margins does not change survival outcomes in patients with high-grade gliomas.

The number of studies that evaluate treatment margins for high grade gliomas (HGG) are limited. We hypothesize that patients with HGG who are treated with a gross tumor volume (GTV) to planning tumor volume (PTV) expansion of ≤1 cm will have progression-free survival (PFS) and overall survival (OS) rates similar to those treated in accordance with standard protocols by the Radiation Therapy Oncology Group or European Organisation for Research and Treatment of Cancer. Furthermore, the PFS and OS of subgrou...

Dose-Finding Studies Among Orphan Drugs Approved in the EU: A Retrospective Analysis.

In the development process for new drugs, dose-finding studies are of major importance. Absence of these studies may lead to failed phase 3 trials and delayed marketing authorization. In our study we investigated to what extent dose-finding studies are performed in the case of orphan drugs for metabolic and oncologic indications. We identified all orphan drugs that were authorized until August 1, 2017. European Public Assessment Reports were used to extract the final dose used in the summary of product char...

Novel and Prospective Molecular Targets for Therapy of Intracranial Gliomas.

Multiple alterations in the expression levels of genes or proteins have been identified in gliomas, including activation of oncogenes and silencing of tumor suppressor genes. Illuminating these molecular mechanisms of tumorigenesis and treatment resistance is necessary for the development of new therapies. With the promise of better effectiveness and less toxicity, the emphasis in drug development has moved from cytotoxic, non-specific chemotherapies to molecular targeted agents. However, despite progress i...

Characteristics and outcomes of elderly patients with diffuse gliomas: a multi-institutional cohort study by Kansai Molecular Diagnosis Network for CNS Tumors.

This study investigates the current state of clinical practice and molecular analysis for elderly patients with diffuse gliomas and aims to elucidate treatment outcomes and prognostic factors of patients with glioblastomas.

Insights into the Pharmaceuticals and Mechanisms of Neurological Orphan Diseases: Current Status and Future Expectations.

Several rare or orphan diseases have been characterized that singly affect low numbers of people, but cumulatively reach ∼6% - 10% of the population in Europe and in the United States. Human genetics has shown to be broadly effective when evaluating subjacent genetic defects such as orphan genetic diseases, but on the other hand, a modest progress has been achieved toward comprehending the molecular pathologies and designing new therapies. Chemical genetics, placed at the interface of chemistry and geneti...

Genetic and epigenetic contribution to astrocytic gliomas pathogenesis.

Astrocytic gliomas are the most common and lethal form of intracranial tumors. These tumors are characterized by a significant heterogeneity in terms of cytopathological, transcriptional and (epi)genomic features. This heterogeneity has made these cancers one of the most challenging types of cancers to study and treat. To uncover these complexities and to have better understanding of the disease initiation and progression, identification and characterization of underlying cellular and molecular pathways re...

Demethylation and epigenetic modification with 5-Azacytidine reduces IDH1 mutant glioma growth in combination with Temozolomide.

Isocitrate Deyhydrogenase (IDH) mutant gliomas are comprised of the majority of grade II-III gliomas and nearly all secondary glioblastomas. These progressive gliomas arise from mutations in IDH1 or IDH2 that pathologically produces D-2-hydroxyglutarate (2HG). 2-HG interferes with cell reactions using alpha ketoglutarate leading to a hypermethylated genome and epigenetic dysregulation of gene expression initiating tumorigenesis.

Retrospective study of nivolumab for patients with recurrent high grade gliomas.

Patients with recurrent high-grade gliomas (HGG) have limited treatment options. HGG utilize the PD-1 pathway to evade immune responses. Checkpoint inhibitors have demonstrated safety and clinical activity in patients with recurrent glioblastoma. We explored the efficacy of nivolumab in recurrent HGG with a primary objective of progression free survival (PFS) and overall survival (OS).

Brain T1ρ mapping for grading and IDH1 gene mutation detection of gliomas: a preliminary study.

The longitudinal relaxation time in the rotating frame (T1ρ) has proved to be sensitive to metabolism and useful in application to neurodegenerative diseases. However, few literature exists on its utility in gliomas. Thus, this study was conducted to explore the performance of T1ρ mapping in tumor grading and characterization of isocitrate dehydrogenase 1 (IDH1) gene mutation status of gliomas.

Proton and Carbon Ion Therapy of Intracranial Gliomas.

In comparison to photon irradiation, particle therapy of cancer performed either with protons or with carbon ions, offers the advantage of their distinct physical characteristics, and through delivery of high linear energy transfer (LET) particles, exploits greater relative biological effectiveness (RBE). There is strong rationale for applying such treatment in patients with intracranial gliomas. In cases of low-grade tumors, the main benefits may be related to potential decrease of long-term morbidity, whe...

Radiation-Induced Gliomas.

Radiation therapy has been a cornerstone of cancer management for many decades and is an integral part of the multi-modality care of patients with brain tumors. The known serious side effects of radiation therapy on the head or central nervous system are uncommon and include radiation necrosis, microangiopathy, and progressive leukencephalopathy. In addition, there have been descriptions of radiation-induced tumors including sarcomas, gliomas, lymphomas, and carcinomas of the thyroid. Patients who have rece...

Gene Therapy and Virotherapy of Gliomas.

Despite many recent advances in the management of gliomas, such as aggressive surgical resection, chemoradiotherapy, antiangiogenic therapy, and molecular targeted therapy, the survival of patients with high-grade neoplasms remains dismal. Gene therapy and oncolytic virotherapy have emerged as highly promising strategies for treatment of malignant brain tumors due to recent progress in understanding of the underlying cancer biology as well as improved techniques for genetic modification of potential therape...

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