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Iodine-131

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https://www.readbyqxmd.com/read/28622037/inhibition-of-the-akt-mtor-pathway-augments-the-anticancer-effects-of-sorafenib-in-thyroid-cancer
#1
Heqing Yi, Xuemei Ye, Bin Long, Ting Ye, Lijun Zhang, Fengqin Yan, Yang Yang, Linfa Li
BACKGROUND: Sorafenib is a multikinase inhibitor that has been approved for the treatment of patients with advanced (131)iodine ((131)I) refractory differentiated thyroid cancer (DTC). However, the progression-free survival of patients with advanced (131)I refractory DTC is short, and most DTC patients eventually acquire resistance to sorafenib. Therefore, new therapeutic strategies need to be developed. MATERIALS AND METHODS: The thyroid cancer cell lines 8505C and FTC133 were treated with sorafenib in the presence or absence of BEZ235 or small interfering RNA (siRNA) directed against AKT...
June 2017: Cancer Biotherapy & Radiopharmaceuticals
https://www.readbyqxmd.com/read/28620714/the-outcome-of-i-131-ablation-therapy-for-intermediate-and-high-risk-differentiated-thyroid-cancer-using-a-strict-definition-of-successful-ablation
#2
Ken Watanabe, Mayuki Uchiyama, Kunihiko Fukuda
PURPOSE: This article examines the outcome of radioactive iodine ablation therapy for thyroid cancer in high-risk patients and investigates background factors influencing ablation failure. MATERIALS AND METHODS: We included 91 patients in this retrospective analysis and evaluated the ablation success rate. Successful ablation was defined as the absence of visible iodine-131 (I-131) accumulation in the thyroid bed after whole-body scans and thyroglobulin levels <2 ng/ml in a TSH-stimulated state after ablation...
June 15, 2017: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/28572231/thyrotoxicosis-investigation-and-management%C3%A2
#3
Jackie Gilbert
Graves' disease (GD) and toxic nodular (TN) goitre account for most cases of thyrotoxicosis associated with hyperthyroidism. Hyperthyroidism is confirmed with measurement of a suppressed serum thyrotropin concentration (TSH) and elevated free thyroid hormones. The three therapeutic options are antithyroid drugs, radioactive iodine and surgery. Thionamides achieve long-term remission in 35% of cases. Many centres administer fixed doses of iodine-131; larger doses result in improved rates of cure at the cost of hypothyroidism...
June 2017: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/28542643/correction-numerical-simulations-of-atmospheric-dispersion-of-iodine-131-by-different-models
#4
(no author information available yet)
[This corrects the article DOI: 10.1371/journal.pone.0172312.].
2017: PloS One
https://www.readbyqxmd.com/read/28516979/interventional-sialendoscopy-for-radioiodine-induced-sialadenitis-quo-vadis
#5
P Canzi, S Cacciola, P Capaccio, F Pagella, A Occhini, L Pignataro, M Benazzo
Salivary gland toxicity is a common adverse effect of radioactive iodine ((131)I) for the treatment of thyroid cancers with a prevalence ranging from 2% to 67% of the (131)I exposed population. Recently, sialendoscopy has been introduced as an attractive diagnostic and therapeutic tool for management of patients with radioiodine-induced sialadenitis that is unresponsive to standard medical treatments. The objective of the current review was to assess the impact of this procedure on outcomes in patients suffering from radioiodine sialadenitis...
April 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/28505591/factors-associated-with-serum-thyroglobulin-in-a-ukrainian-cohort-exposed-to-iodine-131-from-the-accident-at-the-chernobyl-nuclear-plant
#6
Kamau O Peters, Mykola Tronko, Maureen Hatch, Valeriy Oliynyk, Galyna Terekhova, Ruth M Pfeiffer, Victor M Shpak, Robert J McConnell, Vladimir Drozdovitch, Mark P Little, Lydia B Zablotska, Kiyohiko Mabuchi, Alina V Brenner, Elizabeth K Cahoon
BACKGROUND: Serum thyroglobulin (Tg) is associated with the presence of thyroid disease and has been proposed as a biomarker of iodine status. Few studies have examined factors related to serum Tg in populations environmentally exposed to ionizing radiation and living in regions with endemic mild-to-moderate iodine deficiency. METHODS: We screened 10,430 individuals who were living in Ukraine and under 18 years of age at the time of the 1986 Chernobyl Nuclear Power Plant accident for thyroid disease from 2001 to 2003...
July 2017: Environmental Research
https://www.readbyqxmd.com/read/28499805/differentiating-131-i-radiation-sialadenitis-from-autoimmune-sj%C3%A3-gren-syndrome-sialadenitis-case-report
#7
Louis Mandel, Loren Wissner Greene
Radioactive iodine ((131)I) is used effectively for the treatment of differentiated thyroid cancers. Because it is actively secreted by the salivary glands, radiation damage to these glands can occur. Obstructive swellings after mealtime salivary stimulation are common occurrences. Dry mouth is not usually seen if low doses of (131)I are used. A subjective complaint of xerostomia in a patient treated with (131)I 75.8 mCi proved to be related to the simultaneous presence of Sjögren syndrome (SS). Serologic, histologic, scintigraphic, and salivary volume findings and the patient's subjective complaints served to establish the pre-existence of SS...
April 17, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28498337/imaging-of-early-response-to-predict-prognosis-in-the-first-line-management-of-follicular-non-hodgkin-lymphoma-with-iodine-131-rituximab-radioimmunotherapy
#8
Murali Kesavan, Jan Boucek, William MacDonald, Andrew McQuillan, J Harvey Turner
The purpose of this study was to evaluate prediction of prognosis after first-line radioimmunotherapy (RIT) of advanced follicular non-Hodgkin lymphoma (FL), by imaging with fluorine-18-fluorodeoxyglucose positron emission tomography with computed tomography ((18)F-FDG-PET/CT) three months after induction treatment by Iodine-131-rituximab ((131)I-rituximab). Objective response was determined using the Deauville 5-point scale in 68 prospective clinical trial patients. Baseline (18)F-FDG-PET/CT studies were used to calculate total-metabolic-tumor-volume (TMTV)...
May 12, 2017: Diagnostics
https://www.readbyqxmd.com/read/28489758/analysis-of-radioiodine-therapy-and-prognostic-factors-of-differentiated-thyroid-cancer-patients-with-pulmonary-metastasis-an-8-year-retrospective-study
#9
Renfei Wang, Yueqian Zhang, Jian Tan, Guizhi Zhang, Ruiguo Zhang, Wei Zheng, Yajing He
To assess the efficacy of radioiodine therapy (RIT) and investigate the prognostic factors for patients with pulmonary metastasis secondary to differentiated thyroid carcinoma (DTC) through a retrospective study. A total of 80 patients with radioactive iodine-131 (I)-avid pulmonary metastasis from DTC treated with I from 2007 to 2014 at our institution entered the study. Treatment response was mainly measured by two parameters: serum thyroglobulin (Tg) levels and post-therapeutic I whole-body scan (WBS). Treatment variables were assessed for statistical significance using the univariate and multivariate analyses...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28470585/evaluation-of-radioiodinated-1-4-naphthoquinones-as-necrosis-avid-agents-for-rapid-myocardium-necrosis-imaging
#10
Chang Su, Dongjian Zhang, Na Bao, Aiyan Ji, Yuanbo Feng, Li Chen, Yicheng Ni, Jian Zhang, Zhiqi Yin
PURPOSE: Identifying necrotic myocardium in ischemic regions is of great importance for risk stratification and clinical decision-making. However, rapid noninvasive imaging of necrotic myocardium is still challenging. This study sought to evaluate the potential of 1,4-naphthoquinones to rapidly visualize necrotic myocardium and the possible mechanisms of necrosis avidity. PROCEDURES: Six 1,4-naphthoquinones were radiolabeled with iodine-131 and the necrosis avidity was estimated in mouse models with muscular necrosis by gamma counting and autoradiography...
May 3, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/28450957/iodine-131-therapy-alters-the-immune-inflammatory-responses-in-the-thyroids-of-patients-with-graves-disease
#11
Wenhua Du, Qingyu Dong, Xiaoting Lu, Xiaomeng Liu, Yueli Wang, Wenxia Li, Zhenyu Pan, Qian Gong, Cuige Liang, Guanqi Gao
The aim of the present study was to evaluate the serum levels of interleukin-6 (IL-6), CXC chemokine ligand-10 (CXCL-10) and intercellular adhesion molecule-l (ICAM-1) in patients with Graves' disease (GD) following iodine-131 ((131)I) therapy. A total of 30 patients with GD participated in the present study. Serum cytokine levels were measured with ELISA, and correlation analyses were performed. Serum levels of IL-6, CXCL-10 and ICAM-1 were significantly higher in patients with GD prior to treatment than those in the control subjects (P<0...
March 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28441828/-clinical-analysis-of-seven-cases-of-pulmonary-malignant-tumors-in-children
#12
D Xu, Z M Chen, W Z Gu, Y S Wang, M X Huang, L F Tang, Y Y Zhang, Y Jiang
Objective: To understand the clinical manifestation, imaging characteristics and outcomes of pulmonary malignant tumors in children. Method: We retrospectively collected information about seven cases of pulmonary malignant tumors in children in our hospital from Jan 2010 to Dec 2016. The information included clinical manifestation, imaging characteristics, pathologic results, and treatment. Result: (1) All the seven patients firstly visited pediatric internal medicine departments. Symptoms included cough (n=6), dyspnea (n=4), fever (n=2), anorexia (n=2), chest tightness (n=1), chest pain (n=1), lameness (n=1), abdominal distension and constipation (n=1)...
April 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28436636/-iodine-131-joint-radio-frequency-ablation-treatment-for-child-with-hyperthyroidism-goiter-one-case-report
#13
Yonghua Chen, Li Liang, Yanlan Fang, Chunlin Wang, Linfa Li, Tian'an Jiang
A 12-year-old girl presented with a history of cervical mass, and one week of throat discomfort and dyspnea. Five years ago, the patient was diagnosed as Hashimoto's thyroiditis and hyperthyroidism; she received antithyroid drug treatment, but the result was not satisfactory. B-ultrasonic showed that the size of thyroid gland was 8.1 cm×3.2 cm in the left and 8.2 cm×4.8 cm in the right. After iodine 131 combined with radiofrequency ablation (RFA) treatment, throat discomfort and recumbent breathing difficulties disappeared, and B-ultrasonic showed that the size of thyroid reduced to 2...
January 25, 2017: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
https://www.readbyqxmd.com/read/28430648/radioimmunotherapy-for-cd133-colonic-cancer-stem-cells-inhibits-tumor-development-in-nude-mice
#14
Dinghu Weng, Xueyan Jin, Saimei Qin, Xiaoli Lan, Chong Chen, Xun Sun, Xianliang She, Changling Dong, Rui An
Accumulating evidence indicates that cancer stem cells (CSCs) are the cause of tumor drug/radio-resistance or distant metastasis; therefore, it is essential to eliminate CSCs to cure cancer completely. The purpose of this study was to utilize radioimmunotherapy (RIT) to target CD133(+) colonic CSCs and observe whether this prevented tumor development, by assessing the maximum tolerated dose (MTD) of HCT116 tumor-bearing nude mice with escalating doses of 131I-AC133.1 monoclonal antibody (mAb), and determining the therapeutic efficacy of RIT with 131I-AC133...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429876/iodine-131-meta-iodobenzylguanidine-therapy-for-patients-with-newly-diagnosed-high-risk-neuroblastoma
#15
REVIEW
Kathelijne Cjm Kraal, Elvira C van Dalen, Godelieve Am Tytgat, Berthe Lf Van Eck-Smit
BACKGROUND: Patients with newly diagnosed high-risk (HR) neuroblastoma (NBL) still have a poor outcome, despite multi-modality intensive therapy. This poor outcome necessitates the search for new therapies, such as treatment with (131)I-meta-iodobenzylguanidine ((131)I-MIBG). OBJECTIVES: To assess the efficacy and adverse effects of (131)I-MIBG therapy in patients with newly diagnosed HR NBL. SEARCH METHODS: We searched the following electronic databases: the Cochrane Central Register of Controlled Trials (CENTRAL; the Cochrane Library 2016, Issue 3), MEDLINE (PubMed) (1945 to 25 April 2016) and Embase (Ovid) (1980 to 25 April 2016)...
April 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28413794/comparative-evaluation-of-iodine-131-metaiodobenzylguanidine-and-18-fluorodeoxyglucose-positron-emission-tomography-in-assessing-neural-crest-tumors-will-they-play-a-complementary-role
#16
Soumyakanti Kundu, Purushottam Kand, Sandip Basu
BACKGROUND: 18-Fluorodeoxyglucose positron emission tomography (FDG-PET) has established a role in the evaluation of several malignancies. However, its precise clinical role in the neural crest cell tumors continues to evolve. PURPOSE: The purpose of this study was to compare iodine-131 metaiodobenzylguanidine ((131)I-MIBG) and FDG-PET of head to head in patients with neural crest tumors both qualitatively and semiquantitatively and to determine their clinical utility in disease status evaluation and further management...
January 2017: South Asian Journal of Cancer
https://www.readbyqxmd.com/read/28408530/alternative-means-of-estimating-131-i-maximum-permissible-activity-to-treat-thyroid-cancer
#17
Kenneth J Nichols, William Robeson, Miyuki Yoshida-Hay, Pat B Zanzonico, Fritzgerald C Leveque, Kuldeep K Bhargava, Gene G Tronco, Christopher J Palestro
To protect bone marrow from over-irradiation, maximum permissible activity (MPA) of iodine-131 ((131)I) to treat thyroid cancer is that which limits absorbed dose to blood (as a surrogate of marrow) to < 200 cGy. The conventional approach (Method-1) requires repeated gamma-camera whole-body measurements along with blood samples. We sought to determine whether reliable MPA values can be obtained by simplified procedures. Methods: Data acquired over multiple time points were examined retrospectively for 65 thyroid cancer patients, referred to determine (131)I uptake and MPA for initial treatment following thyroidectomy (N = 39), including 17 patients with compromised renal function and 22 patients with known (N = 16) or suspected (N = 6) metastases...
April 13, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28401794/chinese-data-of-efficacy-of-low-and-high-dose-iodine-131-for-the-ablation-of-thyroid-remnant
#18
Chao Ma, Fang Feng, Shaoyan Wang, Hongliang Fu, Shuqi Wu, Zhiyi Ye, Suyun Chen, Hui Wang
BACKGROUND: Chinese data on the efficacy of low- and high-dose radioiodine for thyroid remnant are still absent. The aim of the study was to investigate whether a low dose of radioiodine is as effective as a high dose for remnant ablation in Chinese patients. METHODS: Patients presenting for radioiodine ablation in the authors' department were included. Inclusion criteria were aged ≥16 years, total or near-total thyroidectomy, tumor-node-metastasis (TNM) stage of pT1-3, any N stage, and M0...
June 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28391026/radiopharmaceuticals-in-the-elderly-cancer-patient-practical-considerations-with-a-focus-on-prostate-cancer-therapy-a-position-paper-from-the-international-society-of-geriatric-oncology-task-force
#19
John O Prior, Silke Gillessen, Manfred Wirth, William Dale, Matti Aapro, Wim J G Oyen
Molecular imaging using radiopharmaceuticals has a clear role in visualising the presence and extent of tumour at diagnosis and monitoring response to therapy. Such imaging provides prognostic and predictive information relevant to management, e.g. by quantifying active tumour mass using positron emission tomography/computed tomography (PET/CT). As these techniques require only pharmacologically inactive doses, age and potential frailty are generally not important. However, this may be different for therapy involving radionuclides because the radiation can impact normal bodily function (e...
May 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28379897/targeted-radionuclide-therapy-for-lung-cancer-with-iodine-131-labeled-peptide-in-a-nude-mouse-model
#20
Zhenzhu Chen, Hongyi Gao, Man Li, Shun Fang, Guiping Li, Linlang Guo
Integrin α3β1 has been shown to be a novel candidate target for the imaging and specific therapy of non-small-cell lung cancer. We have previously reported on a peptide containing a novel motif of NGXG that specifically binds to the integrin α3 receptor on lung cancer cells using a one-bead one-peptide combinatorial library. In this study, we developed the peptide cNGEGQQc-based therapeutic agent labeling with radionuclide iodine-131 (I) and evaluated its characteristics including stability, biodistribution, antitumor activity, and safety...
June 2017: Anti-cancer Drugs
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