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I-131 Therapy

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https://www.readbyqxmd.com/read/28076656/combined-inhaled-beta-agonist-and-anticholinergic-agents-for-emergency-management-in-adults-with-asthma
#1
REVIEW
Scott W Kirkland, Christine Vandenberghe, Britt Voaklander, Taylor Nikel, Sandra Campbell, Brian H Rowe
BACKGROUND: Inhaled short-acting anticholinergics (SAAC) and short-acting beta₂-agonists (SABA) are effective therapies for adult patients with acute asthma who present to the emergency department (ED). It is unclear, however, whether the combination of SAAC and SABA treatment is more effective in reducing hospitalisations compared to treatment with SABA alone. OBJECTIVES: To conduct an up-to-date systematic search and meta-analysis on the effectiveness of combined inhaled therapy (SAAC + SABA agents) vs...
January 11, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28068480/magnetic-resonance-imaging-characterization-and-clinical-outcomes-after-neocart-surgical-therapy-as-a-primary-reparative-treatment-for-knee-cartilage-injuries
#2
Devon E Anderson, Riley J Williams, Thomas M DeBerardino, Dean C Taylor, C Benjamin Ma, Marie S Kane, Dennis C Crawford
BACKGROUND: Autologous cartilage tissue implants, including the NeoCart implant, are intended to repair focal articular cartilage lesions. Short-term results from United States Food and Drug Administration (FDA) phase I and phase II clinical trials indicated that the NeoCart implant was safe when surgically applied as a cell-based therapy and efficacious compared with microfracture. HYPOTHESIS: Quantitative magnetic resonance imaging (MRI) analysis would reveal NeoCart tissue maturation through to 60-month follow-up...
January 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28054519/radioiodine-as-an-adjuvant-therapy-and-its-role-in-follow-up-of-differentiated-thyroid-cancer
#3
REVIEW
S Padma, P Shanmuga Sundaram
Papillary and follicular cancers of thyroid are the most common varieties of differentiated thyroid cancers exhibiting excellent long-term prognosis when carefully managed. Being a slow-growing malignancy, guidelines exist on the staging, preoperative risk stratification, and management of these cancers to increase the overall survival of these patients. Radioactive iodine has a central role in differentiated thyroid malignancies. It has the same physical properties as stable iodine, thus both normal and malignant thyrocytes cannot differentiate radioactive from stable iodine...
July 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28052685/occurrence-of-malignancies-after-kidney-transplantation-in-adults-slovak-multicenter-experience
#4
Z Zilinska, M Sersenova, M Chrastina, J Breza Sr, L Bena, T Baltesova, A Jurcina, R Roland, E Lackova, M Cellar, L Laca, I Dedinska
Malignancies are one of the three major causes of renal recipient´s death with a functioning graft after cardiovascular diseases and infections. Among the variety of risk factors, including conventional and specific to transplant recipients, the duration of immunosuppressive therapy, the intensity of therapy, and the type of immunosuppressive agent all have an impact on development of post-transplant malignancy. The aim of our retrospective study was to document the incidence, the type of malignancies, the patient/graft survival in the group of kidney transplant recipients in Slovak Republic, and to identify the factors which influenced the outcome...
January 5, 2017: Neoplasma
https://www.readbyqxmd.com/read/28047116/su-g-tep3-08-pre-clinical-radionuclide-therapy-dosimetry-in-several-pediatric-cancer-xenografts
#5
I Marsh, M Otto, J Weichert, D Baiu, B Bednarz
PURPOSE: The focus of this work is to perform Monte Carlo-based dosimetry for several pediatric cancer xenografts in mice treated with a novel radiopharmaceutical (131) I-CLR1404. METHODS: Four mice for each tumor cell line were injected with 8-13 µCi/g of the (124) 124I-CLR1404. PET/CT images of each individual mouse were acquired at 5-6 time points over the span of 96-170 hours post-injection. Following acquisition, the images were co-registered, resampled, rescaled, corrected for partial volume effects (PVE), and masked...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046288/we-de-201-06-impact-of-temporal-image-coregistration-methods-on-3d-internal-dose-calculations-in-targeted-radionuclide-therapy
#6
A Besemer, I Marsh, B Bednarz
PURPOSE: The calculation of 3D internal dose calculations in targeted radionuclide therapy requires the acquisition and temporal coregistration of a serial PET/CT or SPECT/CT images. This work investigates the dosimetric impact of different temporal coregistration methods commonly used for 3D internal dosimetry. METHODS: PET/CT images of four mice were acquired at 1, 24, 48, 72, 96, 144 hrs post-injection of (124) I-CLR1404. The therapeutic (131) I-CLR1404 absorbed dose rate (ADR) was calculated at each time point using a Geant4-based MC dosimetry platform using three temporal image coregistration METHODS: (1) no coregistration (NC), whole body sequential CT-CT affine coregistration (WBAC), and individual sequential ROI-ROI affine coregistration (IRAC)...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28033742/assessment-of-achieved-systolic-blood-pressure-in-newly-treated-hypertensive-patients-aged-60-79-years-before-and-after-eighth-joint-national-committee-recommendations
#7
Michael S Kelly, Joseph J Saseen, Joel C Marrs
OBJECTIVE: To determine whether patients who were newly prescribed antihypertensive therapy after the Eighth Joint National Committee (JNC 8) update were treated to a relaxed systolic blood pressure (SBP) goal compared with patients treated before the update. METHODS: A retrospective cohort study approved by the Colorado Multiple Institutional Review Board. Patients aged 60-79 years, without diabetes or chronic kidney disease (CKD), newly treated for hypertension at a University of Colorado primary care clinics were included...
December 1, 2016: Therapeutic Advances in Cardiovascular Disease
https://www.readbyqxmd.com/read/28011394/-131-i-labeled-and-dox-loaded-multifunctional-nanoliposomes-for-radiotherapy-and-chemotherapy-in-brain-gliomas
#8
REVIEW
Jingmei Gao, Lei Fang, Danyang Sun, Yiming Shen, Yiming Hu, Ning Li, Jin Chang, Wei Li, Jian Tan
The codelivery of different therapeutics is a promising option because of its synergetic effects of drugs. In this study, a new combination therapy that used the doxorubicin-loaded and (131)I-labeled nanoliposomes ((131)I-DOX-NL) was proposed to delay tumor growth of gliomas, which are characterized by significant mortality and morbidity. (131)I-DOX-NL was constructed based on bovine serum albumin (BSA)-tailor made hydrophobic maleimide-functionalized poly(ε-caprolactone) (PCL) (Fig. 1) and was evaluated by cellular viability in vitro and by U87 xenograft models in vivo...
December 20, 2016: Brain Research
https://www.readbyqxmd.com/read/28002173/higher-preablative-serum-thyroid-stimulating-hormone-level-predicts-radioiodine-ablation-effectiveness-in-patients-with-differentiated-thyroid-carcinoma
#9
Ismaheel O Lawal, Nozipho E Nyakale, Lerwine M Harry, Thabo Lengana, Neo P Mokgoro, Mariza Vorster, Mike M Sathekge
INTRODUCTION: Radioiodine ablation of remnant thyroid tissue is an important adjuvant therapy of differentiated thyroid carcinoma (DTC) after thyroidectomy. Elevated serum thyroid-stimulating hormone (TSH) level is necessary for successful ablation. The optimum level of serum TSH level necessary for successful radioiodine ablation of well-DTC is, however, yet to be defined. We aimed to determine whether higher serum TSH level will result in a better rate of complete ablation of well-DTC using iodine-131 (I) following initial thyroidectomy...
December 20, 2016: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27994692/incidental-findings-of-intense-radioiodine-uptake-in-struma-ovarii-and-bilateral-nonlactating-breasts-simultaneously-on-postablation-131-i-spect-ct-for-papillary-thyroid-cancer
#10
Hye-Kyung Shim, Mi Ra Kim
A 52-year-old woman diagnosed with papillary thyroid carcinoma was referred for (131)I therapy following total thyroidectomy. She was given 4,810 MBq (130 mCi) of (131)I following 4 weeks of thyroid hormone withdrawal. A posttherapy scan showed intense, focal activity in the pelvis and intense, diffuse activity on both sides of the chest, which was localized to the right ovary and both breasts on SPECT/CT examination. She had bilateral nipple pain and a history of antidopaminergic drugs as combination medication for her rheumatoid arthritis and prokinetics during radioiodine therapy...
December 2016: Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/27994688/iodine-uptake-patterns-on-post-ablation-whole-body-scans-are-related-to-elevated-serum-thyroglobulin-levels-after-radioactive-iodine-therapy-in-patients-with-papillary-thyroid-carcinoma
#11
Geum-Cheol Jeong, Minchul Song, Hee Jeong Park, Jung-Joon Min, Hee-Seung Bom, Sang-Geon Cho, Ki Seong Park, Sae-Ryung Kang, Jahae Kim, Ho-Chun Song, Seong Young Kwon
PURPOSE: Serum thyroglobulin (Tg) level is frequently elevated shortly after radioactive iodine (RAI) ablation therapy. The authors studied the relationship between the elevation of serum Tg after RAI therapy and iodine uptake pattern on post-ablation whole body scans (RxWBSs) in patients with papillary thyroid carcinoma (PTC). MATERIALS AND METHODS: The study subjects were patients with PTC that had undergone first RAI therapy with thyroid hormone withdrawal after total thyroidectomy...
December 2016: Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/27988801/measuring-the-actual-i-131-thyroid-uptake-curve-with-a-collar-detector-system-a-feasibility-study
#12
Peter Brinks, Koen Van Gils, Ellen Kranenborg, Jules Lavalaye, Dennis B M Dickerscheid, Jan B A Habraken
Radionuclide therapy using I-131 is commonly used for the treatment of benign thyroid diseases. The therapeutic dose to be administered is calculated based on the type of disease, the volume of the thyroid, and the measured uptake percentage. This methodology assumes a similar biological half-life of iodine, whereas in reality a large variation in biological half-life is observed. More knowledge about the actual biological half-life of iodine for individual patients will improve the quantification of the delivered radiation dose during radioiodine therapy and could aid the evaluation of the success of the therapy...
December 17, 2016: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/27987437/theranostic-approach-for-metastatic-pigmented-melanoma-using-icf15002-a-multimodal-radiotracer-for-both-pet-imaging-and-targeted-radionuclide-therapy
#13
Latifa Rbah-Vidal, Aurélien Vidal, Emilie M F Billaud, Sophie Besse, Isabelle Ranchon-Cole, Florence Mishellany, Yann Perrot, Lydia Maigne, Nicole Moins, Jean-Luc Guerquin-Kern, Françoise Degoul, Jean-Michel Chezal, Philippe Auzeloux, Elisabeth Miot-Noirault
PURPOSE: This work reports, in melanoma models, the theranostic potential of ICF15002 as a single fluorinated and iodinated melanin-targeting compound. METHODS: Studies were conducted in the murine syngeneic B16BL6 model and in the A375 and SK-MEL-3 human xenografts. ICF15002 was radiolabeled with fluorine-18 for positron emission tomography (PET) imaging and biodistribution, with iodine-125 for metabolism study, and iodine-131 for targeted radionuclide therapy (TRT)...
December 14, 2016: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/27981732/clinical-impact-of-68-ga-psma-pet-ct-in-prostate-cancer-patients-with-rising-psa-after-treatment-with-curative-intent-preliminary-analysis-of-a-multidisciplinary-approach
#14
S Albisinni, C Artigas, F Aoun, I Biaou, J Grosman, T Gil, E Hawaux, K Limani, F Otte, A Peltier, S Sideris, N Sirtaine, P Flamen, R van Velthoven
BACKGROUND: To assess the impact of (68) Ga-(HBED-CC)-PSMA (Prostate Specific Membrane Antigen) PET/CT in the clinical management of PCa patients with rising PSA after treatment with curative intent. (68) Ga-PSMA PET/CT scan is a novel molecular imaging technique in the field of prostate cancer (PCa). METHODS: 131 consecutive patients were referred to our center for a (68) Ga-PSMA PET/CT in the setting of recurring prostate cancer. 11/131(8%) presented persistent PSA after radical prostatectomy, while 120/131 (92%) were referred for biochemical recurrence after surgery, radiotherapy or both...
December 15, 2016: BJU International
https://www.readbyqxmd.com/read/27974741/iodine-131-an-effective-method-for-treating-lymph-node-metastases-of-differentiated-thyroid-cancer
#15
Ying He, Ming-Zhi Pan, Jian-Min Huang, Peng Xie, Fang Zhang, Ling-Ge Wei
BACKGROUND The aim of this study was to assess the efficacy of radioactive iodine-131 (¹³¹I) therapy for lymph node metastasis of differentiated thyroid cancer (DTC) and to identify influential factors using univariate and multivariate analyses to determine if identified factors influence the efficacy of treatment. MATERIAL AND METHODS This study included a retrospective review of 218 patients with histologically proven DTC in the post-operation stage. After thyroid tissue remnants were eliminated with ¹³¹I therapy, patients' lymph node status was confirmed by ultrasound and by ¹³¹I whole body scan regarding lymph node metastasis, and then patients were treated with ¹³¹I as appropriate...
December 15, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27935168/effectiveness-and-safety-of-sofosbuvir-based-regimens-plus-an-ns5a-inhibitor-for-patients-with-hcv-genotype-3-infection-and-cirrhosis-results-of-a-multicenter-real-life-cohort
#16
S Alonso, M Riveiro-Barciela, I Fernandez, D Rincón, Y Real, S Llerena, F Gea, A Olveira, C Fernandez-Carrillo, B Polo, J A Carrión, A Gómez, M J Devesa, C Baliellas, Á Castro, J Ampuero, R Granados, J M Pascasio, A Rubín, J Salmeron, E Badia, J M M Planas, S Lens, J Turnes, J L Montero, M Buti, R Esteban, C M Fernández-Rodríguez
Patients with HCV genotype 3 (GT3) infection and cirrhosis are currently the most difficult to cure. We report our experience with sofosbuvir+daclatasvir (SOF+DCV) or sofosbuvir/ledipasvir (SOF/LDV), with or without ribavirin (RBV) in clinical practice in this population. This was a multicenter observational study including cirrhotic patients infected by HCV GT3, treated with sofosbuvir plus an NS5A inhibitor (May 2014-October 2015). In total, 208 patients were included: 98 (47%) treatment-experienced, 42 (20%) decompensated and 55 (27%) MELD score >10...
December 9, 2016: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/27909769/evaluation-of-131-i-scintigraphy-and-stimulated-thyroglobulin-levels-in-the-follow-up-of-patients-with-dtc-a-retrospective-analysis-of-1420-patients
#17
Jose Manuel Gonzalez Carvalho, Dennis Görlich, Otmar Schober, Christian Wenning, Burkhard Riemann, Frederik Anton Verburg, Alexis Vrachimis
AIM: To study the clinical yield of diagnostic whole body (131)I scintigraphy (DxWBS) in the follow-up of differentiated thyroid carcinoma (DTC) patients in relation to stimulated thyroglobulin (sTg) in the initial post-ablation setting, as well as in the setting of repeated monitoring in course of further DTC follow-up. METHODS: Data of 1420 thyroidectomized and radioiodine remnant-ablated DTC patients following a well-defined therapy and standardized follow-up protocol were evaluated...
December 1, 2016: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/27908190/accuracy-reproducibility-and-uncertainty-analysis-of-thyroid-probe-based-activity-measurements-for-determination-of-dose-calibrator-settings
#18
Pedro L Esquinas, Jesse Tanguay, Marjorie Gonzalez, Milan Vuckovic, Cristina Rodríguez-Rodríguez, Urs O Häfeli, Anna Celler
PURPOSE: In the nuclear medicine department, the activity of radiopharmaceuticals is measured using dose calibrators (DCs) prior to patient injection. The DC consists of an ionization chamber that measures current generated by ionizing radiation (emitted from the radiotracer). In order to obtain an activity reading, the current is converted into units of activity by applying an appropriate calibration factor (also referred to as DC dial setting). Accurate determination of DC dial settings is crucial to ensure that patients receive the appropriate dose in diagnostic scans or radionuclide therapies...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27908147/strategies-for-ct-tissue-segmentation-for-monte-carlo-calculations-in-nuclear-medicine-dosimetry
#19
P E N Braad, T Andersen, S B Hansen, P F Høilund-Carlsen
PURPOSE: CT images are used for patient specific Monte Carlo treatment planning in radionuclide therapy. The authors investigated the impact of tissue classification, CT image segmentation, and CT errors on Monte Carlo calculated absorbed dose estimates in nuclear medicine. METHODS: CT errors as a function of patient size, CT reconstruction, and tube current modulation methods were assessed in a phantom experiment on a clinical CT system. The impact of tissue segmentation methods and CT number variations on EGSnrc Monte Carlo calculated absorbed dose distributions was assessed for (99m)Tc and (131)I in the ICRP/ICRU male phantom and in a patient PET/CT-scanned with (124)I prior to radioiodine therapy...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27887597/technology-enhanced-multi-domain-at-home-continuum-of-care-program-with-respect-to-usual-care-for-people-with-cognitive-impairment-the-ability-telerehabilitation-study-protocol-for-a-randomized-controlled-trial
#20
O Realdon, F Rossetto, M Nalin, I Baroni, M Cabinio, R Fioravanti, F L Saibene, M Alberoni, F Mantovani, M Romano, R Nemni, F Baglio
BACKGROUND: According to the World Alzheimer Report (Prince, The Global Impact of Dementia: an Analysis of Prevalence, Incidence, Cost and Trends, 2015), 46.8 million people worldwide are nowadays living with dementia. And this number is estimated to approximate 131.5 million by 2050, with an increasing burden on society and families. The lack of medical treatments able to stop or slow down the course of the disease has moved the focus of interest toward the nonpharmacological approach and psychosocial therapies for people with/at risk of dementia, as in the Mild Cognitive Impairment (MCI) condition...
November 25, 2016: BMC Psychiatry
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