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J Irani
: Non-muscle-invasive bladder cancer (NMIBC) is characterised by a high risk of recurrence when performing only a transurethral resection of the bladder (TURB). Intravesical instillations are performed postoperatively to decrease the rate of recurrence. The standard agents currently used are Mitomycin-C (MMC) or bacillus Calmette-Guérin (BCG). In order to further enhance the efficacy of the adjuvant treatments and/or diminish their side effects, alternative treatments are studied. Intravesical MMC combined with hyperthermia could be an interesting alternative active treatment for intermediate- and possibly high-risk NMIBC, and has been investigated in the past years...
October 3, 2016: Progrès en Urologie
Arlene L Oei, Lianne E M Vriend, Caspar M van Leeuwen, Hans M Rodermond, Rosemarie Ten Cate, Anneke M Westermann, Lukas J A Stalpers, Johannes Crezee, Roland Kanaar, H Petra Kok, Przemek M Krawczyk, Nicolaas A P Franken
Cis-diamminedichloroplatinum(II) (cisplatin, cDDP) is an effective chemotherapeutic agent that induces DNA double strand breaks (DSBs), primarily in replicating cells. Generally, such DSBs can be repaired by the classical or backup non-homologous end joining (c-NHEJ/b-NHEJ) or homologous recombination (HR). Therefore, inhibiting these pathways in cancer cells should enhance the efficiency of cDDP treatments. Indeed, inhibition of HR by hyperthermia (HT) sensitizes cancer cells to cDDP and in the Netherlands this combination is a standard treatment option for recurrent cervical cancer after previous radiotherapy...
August 19, 2016: Oncotarget
Min Lin, Dandan Wang, Shuyao Li, Qi Tang, Shuwei Liu, Rui Ge, Yi Liu, Daqi Zhang, Hongchen Sun, Hao Zhang, Bai Yang
Nanodevices for multimodal tumor theranostics have shown great potentials for noninvasive tumor diagnosis and therapy, but the libraries of multimodal theranostic building blocks should be further stretched. In this work, Cu(II) ions are doped into polyaniline (Pani) nanoshuttles (NSs) to produce Cu-doped Pani (CuPani) NSs, which are demonstrated as new multimodal building blocks to perform tumor theranostics. The CuPani NSs are capable of shortening the longitudinal relaxation (T1) of protons under magnetic fields and can help light up tumors in T1-weighted magnetic resonance imaging...
October 2016: Biomaterials
Hyewon Ko, Soyoung Son, Seonghwan Bae, Joo-Hyung Kim, Gi-Ra Yi, Jae Hyung Park
A biocompatible polymer-gold nanorod (P-AuNR) conjugate was developed as a thermo-chemotherapeutic nano-sized drug carrier for cancer therapy using near-infrared (NIR) light as an external trigger. The amphiphilic polymer, poly(ethylene glycol)-block-poly(caprolactone) (PEG-b-PCL) bearing a disulfide bond, was prepared using a facile synthetic route via copper(I)-free click chemistry and covalently linked to AuNR. The chemical structures and successful conjugation of PEG-b-PCL were analyzed using (1)H NMR and FT-IR...
April 29, 2016: Nanotechnology
Yaoting Chen, Huiqing Li, Xiongying Jiang, Dong Chen, Jiayan Ni, Hongliang Sun, Jianghong Luo, Herui Yao, Linfeng Xu
OBJECTIVES: To retrospectively assess the efficacy of regional thermochemotherapy (TCT) compared with hepatic arterial infusion chemotherapy (HAIC)-alone for palliative treatment of advanced hilar cholangiocarcinoma (HC) and to determine the prognostic factors associated with survival. METHODS: Forty-three consecutive patients with advanced HC underwent regional TCT (TCT group) and HAIC (HAIC group). We analyzed baseline characteristics, overall survival (OS), progression-free survival (PFS), stent patency time (SPT), adverse events (AEs), and prognostic factors for OS between the two groups...
October 2016: European Radiology
Lijia Jing, Shangmin Shao, Yang Wang, Yongbo Yang, Xiuli Yue, Zhifei Dai
This paper reported the fabrication of a multifunctional nanoplatform by modifying hollow Prussian blue nanoparticles with hyaluronic acid grafting polyethylene glycol, followed by loading 10-hydroxycamptothecin for tumor-targeted thermochemotherapy. It was found that the surface modification of hollow Prussian blue nanoparticles with hyaluronic acid grafting polyethylene endowed a great colloidal stability, long blood circulation time and the capability for targeting Hela cells over-expressing the CD44 receptor...
2016: Theranostics
Sakip Erturhan, Haluk Sen, Asaf Demirbag, Omer Bayrak, Faruk Yagci, Iker Seckiner, Ahmet Erbagci
OBJECTIVE: To evaluate the results of Thermochemotherapy in adjuvant treatment of primary high risk non-muscle invasive bladder cancer in our center. METHODS: The study included 26 patients with an age of 51-78 years (mean: 62.4 years). All patients had transurethral tumor resection (TURB) after being diagnosed with a primary bladder tumor and were pathologically diagnosed with non-muscle invasive urothelial carcinoma. Thermochemotherapy (TCT) applications were performed via the Synergo® system SB-TS 101...
October 2015: Archivos Españoles de Urología
Francesco Soria, Paola Milla, Chiara Fiorito, Francesca Pisano, Filippo Sogni, Massimiliano Di Marco, Vincenzo Pagliarulo, Franco Dosio, Paolo Gontero
PURPOSE: We report for the first time the activity and safety of Unithermia(®) (Elmedical Ltd, Hod-Hasharon, Israel), a novel device for administration of MMC-C with hyperthermia (HT), that employs conductive heating, in a series of non-grade 3 non-muscle-invasive bladder cancer (NMIBC) that failed Bacillus Calmette-Guerin (BCG). METHODS: Patients with non-grade 3 NMIBC recurring after at least a full induction course of BCG were eligible for this phase I-II prospective single-arm study...
February 2016: World Journal of Urology
Heng Deng, Fengying Dai, Guanghui Ma, Xin Zhang
A new generation of photothermal theranostic agents based on assembling 6 nm gold nanoparticles (AuNPs) is developed by using a novel comb-like amphipathic polymer as the template. The small AuNPs are assembled into DOX@gold nanomicelles, which show strong absorbance in the near-infrared region, for multimodal bioimaging and highly effective in vivo chemotherapy and photothermal therapy.
June 24, 2015: Advanced Materials
Ling Wang, Yanli An, Chenyan Yuan, Hao Zhang, Chen Liang, Fengan Ding, Qi Gao, Dongsheng Zhang
BACKGROUND: Targeted delivery is a promising strategy to improve the diagnostic imaging and therapeutic effect of cancers. In this paper, novel cetuximab (C225)-conjugated, gemcitabine (GEM)-containing magnetic albumin nanospheres (C225-GEM/MANs) were fabricated and applied as a theranostic nanocarrier to conduct simultaneous targeting, magnetic resonance imaging (MRI), and double-targeted thermochemotherapy against pancreatic cancer cells. METHODS: Fe3O4 nanoparticles (NPs) and GEM co-loaded albumin nanospheres (GEM/MANs) were prepared, and then C225 was further conjugated to synthesize C225-GEM/MANs...
2015: International Journal of Nanomedicine
Ricardo Teixo, Mafalda Laranjo, Ana Margarida Abrantes, Gonçalo Brites, Arménio Serra, Rui Proença, Maria Filomena Botelho
Retinoblastoma is a tumor that mainly affects children under 5 years, all over the world. The origin of these tumors is related with mutations in the RB1 gene, which may result from genetic alterations in cells of the germ line or in retinal somatic cells. In developing countries, the number of retinoblastoma-related deaths is higher due to less access to treatment, unlike what happens in developed countries where survival rates are higher. However, treatments such as chemotherapy and radiotherapy, although quite effective in treating this type of cancer, do not avoid high indices of mortality due to secondary malignances which are quite frequent in these patients...
December 2015: Cancer Metastasis Reviews
Bernhard Kiss, Silvia Schneider, George N Thalmann, Beat Roth
OBJECTIVES: To prospectively evaluate the outcome of combined microwave-induced bladder wall hyperthermia and intravesical mitomycin C instillation (thermochemotherapy) in patients with recurrent non-muscle-invasive bladder cancer. METHODS: Between 2003 and 2009, 21 patients (median age 70 years, range 35-95 years) with recurrent non-muscle-invasive bladder cancer (pTaG1-2 n = 9; pTaG3 n = 3; pT1 n = 9; concurrent pTis n = 8) were prospectively enrolled...
February 2015: International Journal of Urology: Official Journal of the Japanese Urological Association
Mehmet Umul, Muammer Altok, Mustafa Güneş, Ali F Sahin, R Taner Divrik
We present a case of distal ureteral obstruction in relation to further adjuvant intravesical thermochemotherapy with mitomycin C (MMC) for non-muscle invasive bladder cancer (NMIBC). We also discuss the diagnostic procedures and management of this recurrent case.
May 2014: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
Lina Pradhan, R Srivastava, D Bahadur
A new pH-sensitive and thermosensitive dual drug delivery system consisting of thin lipid layer encapsulated mesoporous magnetite nanoassemblies (MMNA) has been developed which can deliver two anticancer drugs simultaneously. The formulation of lipid layer used is 5:2:2:2 w/w, DPPC:cholesterol:DSPE-PEG2000:MMNA. The structure, morphology and magnetic properties of MMNA and lipid coated MMNA (LMMNA) were thoroughly characterized. This hybrid system was investigated for its ability to carry two anticancer drugs as well as its ability to provide heat under an alternating current magnetic field (ACMF)...
July 2014: Acta Biomaterialia
Minghui Li, Hongbing Deng, Haisheng Peng, Qun Wang
Successful therapy and diagnosis of glioma is one of the biggest challenges in the biomedical fields. The incidence is growing gradually around the world. Annually, there are approximately 13,000 cases of glioblastoma multiforme diagnosed with historical 1-year and 5-year survival rates of 29.3% and 3.3%, respectively. The prognosis of patients with malignant glioma remains dismal. Due to its highly proliferative, infiltrative, and invasive property, development of effective preventative strategies to control the gliomas is in high demand...
January 2014: Journal of Nanoscience and Nanotechnology
A El Kettani, S Aderdour, G Daghouj, S Knari, K Zaghloul, S Zafad, M Harif, S Benchekroun
Retinoblastoma is the most frequent intraocular cancer, affecting almost exclusively children. We report prospective study results assessing the national protocol for retinoblastoma treatment in Morocco. Treatment included, depending on stage and laterality, primary chemotherapy either to facilitate enucleation or to make conservative treatment possible, postoperative chemotherapy, enucleation and conservative treatments such as transpupillary thermotherapy, thermochemotherapy and cryotherapy. Radiation was used in a few cases...
February 2014: Journal Français D'ophtalmologie
Karthik Venkataraghavan, Shankargouda Patil, Sowjanya Guvva, Sandhya Karthik, Shilpa Bhandi
A young child being diagnosed with cancer naturally generates a pretty melancholy reaction. Each cancer can be managed with a vast array of treatment options that are available either individually or as a combination, the final goal of which is total eradication of the condition in the affected individual. Since, most of these treatments are administered during the age of tooth formation, they may affect stages of odontogenesis. Most common treatment of childhood cancers includes--chemotherapy and radiotherapy...
March 2013: Journal of Contemporary Dental Practice
Lingyun Zhao, Meijun Huo, Jiayi Liu, Zhu Yao, Danye Li, Zhiwei Zhao, Jintian Tang
Cancer comprehensive treatment has been fully recognized as it can provide an effective multimodality approach for fighting cancers. In therapeutic oncology, hyperthermic adjuvant chemotherapy termed as thermochemotherapy plays an increasing role in multimodality cancer treatment. Currently, targeted nanothermotherapy is one of the effective hyperthermia approach based on magnetic nanoparticles (MNPs), which can be achieved by applying biocompatible nanoscaled metallic particles that convert electromagnetic energy into heat, for instance, magnetic fluid hyperthermia (MFH) mediated by superparamagnetic iron oxide nanoparticles (SPIONs)...
February 2013: Journal of Nanoscience and Nanotechnology
Marco Racioppi, Daniele D'Agostino, Luca Di Gianfrancesco, Pier Francesco Bassi
Non-muscle-invasive bladder cancer is a common urinary malignancy whose management is a challenge: strong evidence supports the use of passive intravesical chemotherapy in the management of this tumor. Despite current guidelines, the treatment is suboptimal as illustrated by the high risk of recurrence and progression. Bacillus Calmette-Guérin (BCG) is the gold standard for the treatment of high-grade non-muscle-invasive bladder cancer, but in case of disease persistence, after 2 consecutive induction courses of BCG, patients must undergo radical cystectomy...
2013: Urologia
Tao Huang, Weihua Gong, Xiucheng Li, Chunping Zou, Guangjian Jiang, Xuhui Li, Dianpeng Feng
PURPOSE: This paper aimed to evaluate the effects of a combination of paclitaxel and cisplatin on osteosarcoma (OS) cell lines in the presence of hyperthermia and to investigate the related mechanism. MATERIALS AND METHODS: Two types of OS cell lines (OS732 and MG63) were treated with paclitaxel and cisplatin in the presence of hyperthermia. The survival rate was measured by MTT assay, and the clonogenic rate was measured by a clonogenic assay. The cellular changes were observed with an inverted phase contrast microscope and a fluorescence microscope...
May 2013: International Journal of Hyperthermia
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