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"peptide receptor radionuclide therapy"

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https://www.readbyqxmd.com/read/28428192/long-term-efficacy-survival-and-safety-of-177lu-dota0-tyr3-octreotate-in-patients-with-gastroenteropancreatic-and-bronchial-neuroendocrine-tumors
#1
Tessa Brabander, Wouter A Van der Zwan, Jaap Jm Teunissen, Boen L R Kam, Richard A Feelders, Wouter W de Herder, Casper H J van Eijck, Gaston J H Franssen, Eric P Krenning, Dik J Kwekkeboom
Purpose<br /> Bronchial and gastroenteropancreatic neuroendocrine tumors (NETs) are slow-growing tumors, which frequently express somatostatin receptors on their cell membranes. These receptors are targets for therapy with Lutetium-177-labeled somatostatin analogs. We have treated over 1200 patients with peptide receptor radionuclide therapy (PRRT) with (177)Lu-DOTA(0),Tyr(3)]octreotate ((177)Lu-DOTATATE) since the year 2000 and present the results on efficacy, survival and toxicity of this therapy. <p>Patients and methods<br /> For safety analysis, 610 patients treated with a cumulative dose of at least 100 mCi (3...
April 20, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28405692/-pulmonary-carcinoid-tumors
#2
H Prosch
Pulmonary carcinoids are rare low-grade malignant tumors, which arise from the neuroendocrine system. Approximately 80% of all pulmonary carcinoid tumors are the relatively low-grade typical carcinoids and 20% are the more aggressive atypical carcinoids. Most carcinoids arise from the central airways and only a minority of carcinoids are found in the lung periphery. While most of the peripheral carcinoids are asymptomatic, central carcinoids are symptomatic and present with hemoptysis, wheezing or bronchial obstruction...
April 12, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28402980/enets-consensus-guidelines-for-the-standards-of-care-in-neuroendocrine-neoplasia-peptide-receptor-radionuclide-therapy-with-radiolabeled-somatostatin-analogues
#3
Rodney J Hicks, Dik J Kwekkeboom, Eric Krenning, Lisa Bodei, Simona Grozinsky-Glasberg, Rudolf Arnold, Ivan Borbath, Jaroslaw Cwikla, Christos Toumpanakis, Greg Kaltsas, Philippa Davies, Dieter Hörsch, Eva Tiensuu Janson, John Ramage
No abstract text is available yet for this article.
April 13, 2017: Neuroendocrinology
https://www.readbyqxmd.com/read/28400403/molecular-imaging-in-the-investigation-of-hypoglycaemic-syndromes-and-their-management
#4
David A Pattison, Rodney J Hicks
There has been recent progress in molecular imaging using a variety of cellular targets for the investigation of adult non-diabetic hypoglycaemic syndromes and its integration into patient management. These targets include peptide receptors - somatostatin receptors (SSTR) and glucagon-like peptide-1 receptor (GLP-1R) - the Amine Precursor Uptake and Decarboxylation system utilising the diphydroxyphenylaline (DOPA) analogue 6-[18F]-L-fluoro-L-3, 4-dihydroxyphenylalanine (18F-FDOPA), and glycolytic metabolism with 2-[18F]Fluoro-2-Deoxy-D-Glucose (FDG)...
April 11, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28361189/personalized-177-lu-octreotate-peptide-receptor-radionuclide-therapy-of-neuroendocrine-tumours-a-simulation-study
#5
Michela Del Prete, François-Alexandre Buteau, Jean-Mathieu Beauregard
PURPOSE: Peptide receptor radionuclide therapy (PRRT) with (177)Lu-octreotate is commonly administered at empiric, fixed amounts of injected radioactivity (IA). This results in highly variable absorbed doses to critical organs and suboptimal treatment of most patients. The primary aims of this study were to design a personalized PRRT (P-PRRT) protocol based on dosimetry, and to perform a simulation of this protocol in a retrospective cohort of patients with neuroendocrine tumours, in order to assess the potential of P-PRRT to safely increase the absorbed dose to the tumour during a four-cycle induction course...
March 31, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28320783/pitfalls-in-the-response-evaluation-after-prrt-with-177-lu-dota-0-tyr-3-octreotate
#6
Tessa Brabander, Wouter Van der Zwan, Jaap J M Teunissen, Boen L R Kam, Wouter W de Herder, R A Feelders, Eric P Krenning, Dik Kwekkeboom
Peptide receptor radionuclide therapy (PRRT) with [177Lu-DOTA0,Tyr3]octreotate (177Lu-DOTATATE) is a treatment with good results in patients with metastatic gastroenteropancreatic neuroendocrine tumour (GEPNETs). However, there are some pitfalls that should be taken into consideration when evaluating the treatment response after PRRT. 354 Dutch patients with GEPNETs who were treated with 177Lu-DOTATATE between March 2000 and December 2011 were retrospectively selected. Liver function parameters and chromogranin A were measured before each therapy and in follow-up...
March 20, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28319500/clinical-response-profile-of-metastatic-advanced-pulmonary-neuroendocrine-tumors-to-peptide-receptor-radionuclide-therapy-with-177lu-dotatate
#7
Rahul V Parghane, Sanjay Talole, Kumar Prabhash, Sandip Basu
OBJECTIVES: The aims of this study were to perform multiparametric response assessment of metastatic/advanced pulmonary neuroendocrine tumors (NETs) to Lu-DOTATATE peptide receptor radionuclide therapy (PRRT) (clinical, biochemical, molecular/structural imaging, and survival assessment) and to study the relationship between response, mortality, and overall survival with dual-tracer molecular imaging parameters. METHODS: Twenty-two patients (6 women, 16 men; median age, 44 years; range, 16-72 years) of histopathologically proven pulmonary NETs with metastatic/advanced disease were included and analyzed retrospectively...
March 17, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28316066/long-term-results-and-tolerability-of-tandem-peptide-receptor-radionuclide-therapy-with-90-y-177-lu-dotatate-in-neuroendocrine-tumors-with-respect-to-the-primary-location-a-10-year-study
#8
Jolanta Kunikowska, Dariusz Pawlak, Marianna I Bąk, Beata Kos-Kudła, Renata Mikołajczak, Leszek Królicki
INTRODUCTION: The peptide receptor radionuclide therapy (PRRT) with (90)Y and (177)Lu is a form of molecular targeted therapy for inoperable or disseminated neuroendocrine tumors (NET). AIM: The aim of the study was to evaluate clinical results and long-term side effects of tandem (90)Y /(177)Lu-DOTATATE therapy in patients with NET. Additionally, we evaluated clinical results with reference to the primary site. MATERIALS AND METHODS: 59 patients with disseminated NET were included in the study prospectively...
March 18, 2017: Annals of Nuclear Medicine
https://www.readbyqxmd.com/read/28263217/peptide-receptor-radionuclide-therapy-with-177-lu-octreotate-in-patients-with-somatostatin-receptor-expressing-neuroendocrine-tumors-six-years-assessment
#9
Mohammadali Hamiditabar, Muzammil Ali, Joseph Roys, Edward M Wolin, Thomas M OʼDorisio, David Ranganathan, Izabela Tworowska, Jonathan R Strosberg, Ebrahim S Delpassand
OBJECTIVES: Peptide receptor radionuclide therapy (PRRT) with radiolabeled somatostatin analogues is a promising treatment for patients with inoperable, well to moderately differentiated metastatic neuroendocrine tumors (NETs). In continuation of our novel study with the radionuclide lutetium Lu, we now present further results of Lu DOTATATE therapy in managing NETs and other somatostatin receptor-expressing tumors in a larger and more diverse patient group. PATIENTS AND METHODS: One hundred forty-four consecutive patients (85 men and 59 women; age range, 11-87 years; mean age, 58...
March 3, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28246882/safety-of-multiple-repeated-cycles-of-177-lu-octreotate-in-patients-with-recurrent-neuroendocrine-tumour
#10
Anna Yordanova, Karin Mayer, Peter Brossart, Maria A Gonzalez-Carmona, Christian P Strassburg, Markus Essler, Hojjat Ahmadzadehfar
PURPOSE: Peptide receptor radionuclide therapy (PRRT) is an effective therapy in patients with a somatostatin receptor-positive neuroendocrine tumour (NET). Still unclear is how many cycles of (177)Lu-octreotate can be repeated while maintaining an acceptable toxicity profile. The purpose of this study was to assess the safety of repeated PRRT in patients with recurrent NET. METHODS: We retrospectively evaluated data from 15 patients treated with repeated PRRT between 2004 and 2015...
March 1, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28229838/-treatment-of-gastroenteropancreatic-neuroendocrine-tumors-with-177lu-dota-tate-experience-of-the-portuguese-institute-of-oncology-in-porto
#11
Inês Lucena Sampaio, Henrique Vara Luiz, Liliana Sobral Violante, Ana Paula Santos, Luís Antunes, Isabel Torres, Cristina Sanches, Isabel Azevedo, Hugo Duarte
INTRODUCTION: The purpose of this article is to report the experience of the Portuguese Institute of Oncology - Porto in the treatment of gastroenteropancreatic neuroendocrine tumors with 177Lu-DOTA-TATE, regarding the safety and efficacy of this treatment modality. MATERIAL AND METHODS: A retrospective analysis of clinical reports of patients with gastroenteropancreatic neuroendocrine tumors undergoing treatment with 177Lu-DOTA-TATE between April 2011 and November 2013 was performed...
November 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28220446/radionuclide-therapy-for-neuroendocrine-tumors
#12
REVIEW
Mauro Cives, Jonathan Strosberg
Peptide receptor radionuclide therapy (PRRT) is a form of systemic radiotherapy that allows targeted delivery of radionuclides to tumor cells expressing high levels of somatostatin receptors. The two radiopeptides most commonly used for PRRT, (90)Y-DOTATOC and (177)Lu-DOTATATE, have been successfully employed for more than a decade for the treatment of advanced neuroendocrine tumors (NETs). Recently, the phase III, randomized NETTER-1 trial has compared (177)Lu-DOTATATE versus high-dose octreotide LAR in patients with progressive, metastatic midgut NETs, demonstrating exceptional tolerability and efficacy...
February 2017: Current Oncology Reports
https://www.readbyqxmd.com/read/28217023/metabolic-bone-disease-in-the-context-of-metastatic-neuroendocrine-tumor-differentiation-from-skeletal-metastasis-the-molecular-pet-ct-imaging-features-and-exploring-the-possible-etiopathologies-including-parathyroid-adenoma-men1-and-paraneoplastic-humoral
#13
Rohit Ranade, Sandip Basu
Three cases of metabolic bone disease in the setting of metastatic neuroendocrine tumor (NET) are illustrated with associated etiopathologies.  One of these cases harbored mixed lesions in the form of vertebral metastasis (biopsy proven) while the other skeletal lesions were caused due to metabolic bone disease related to multiple parathyroid adenomas. While the metastatic lesion was positive on 68Ga-DOTATATE positron emission tomography-computed tomography (PET-CT), the lesions of metabolic bone disease were negative and the 18F-fluoride PET-CT demonstrated the features of metabolic bone scan...
January 2017: World Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28203088/peptide-receptor-radionuclide-therapy-in-the-management-of-gastrointestinal-neuroendocrine-tumors-efficacy-profile-safety-and-quality-of-life
#14
REVIEW
Stefano Severi, Ilaria Grassi, Silvia Nicolini, Maddalena Sansovini, Alberto Bongiovanni, Giovanni Paganelli
Peptide receptor radionuclide therapy (PRRT), developed over the last two decades, is carried out using radiopharmaceuticals such as 90Y-DOTA-Tyr3-octreotide and 177Lu-DOTA-Tyr3-octreotate (177Lu-Dotatate). These radiocompounds are obtained by labeling a synthetic somatostatin analog with a β-emitting radioisotope. The compounds differ from each other in terms of their energetic features (due to the radionuclide) and peptide receptor affinity (due to the analog) but share the common characteristic of binding specific membrane somatostatin receptors that are (generally) overexpressed in neuroendocrine neoplasms (NENs) and their metastases...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28178157/the-prognostic-influence-of-the-proliferative-discordance-in-metastatic-pancreatic-neuroendocrine-carcinoma-revealed-by-peptide-receptor-radionuclide-therapy-case-report-and-review-of-literature
#15
Nathanaëlle Montanier, Juliette Joubert-Zakeyh, Caroline Pétorin, Pierre François Montoriol, Salwan Maqdasy, Antony Kelly
RATIONALE: Pancreatic neuroendocrine tumors (pNET) are rare slowly growing tumors with a high metastatic potential. Peptide receptor radionuclide therapy (PRRT) with radiolabeled analogues has been developed as a new tool for the management of metastatic well-differentiated (grade 1 and 2) neuroendocrine tumors expressing somatostatin receptor (SSTR2). Chemotherapy is the mainstay in the management of grade 3 (G3) unresectable pancreatic neuroendocrine carcinoma (pNEC). To date, no study has evaluated the efficacy of PRRT in such tumors...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28099254/everolimus-in-pancreatic-neuroendocrine-carcinomas-g3
#16
Francesco Panzuto, Maria Rinzivillo, Francesca Spada, Lorenzo Antonuzzo, Toni Ibrahim, Davide Campana, Nicola Fazio, Gianfranco Delle Fave
OBJECTIVE: The aim of this study was to investigate everolimus efficacy in well-moderately differentiated pancreatic NEC (pNEC) G3. METHODS: This was a retrospective analysis of patients with pNEC G3 and Ki67 20% to 55% treated with everolimus. RESULTS: Fifteen patients with median Ki67 30% and Eastern Cooperative Oncology Group performance status 0 to 1 were evaluated. Of these, 4 patients received everolimus as first-line treatment, whereas 11 had been pretreated with chemotherapy or peptide receptor radionuclide therapy...
March 2017: Pancreas
https://www.readbyqxmd.com/read/28095720/baseline-chromogranin-a-and-its-dynamics-are-prognostic-markers-in-gastroenteropancreatic-neuroendocrine-tumors
#17
Wojciech Rogowski, Ewa Wachuła, Anna Lewczuk, Agnieszka Kolesińska-Ćwikła, Ewa Iżycka-Świeszewska, Violetta Sulżyc-Bielicka, Jarosław B Ćwikła
AIM: This study assessed whether absolute chromogranin A (CgA) values at various stages of treatment have prognostic value in patients with pancreatic and midgut neuroendocrine tumors, subjected to peptide receptor radionuclide therapy with (90)Y-[DOTA(0), D-Phe(1), Tyr(3)]-octreotate. PATIENTS & METHODS: CgA was determined before peptide receptor radionuclide therapy, 6 weeks, 6, 12, 18 and 24 months after the last dose of (90)Y-[DOTA(0), D-Phe(1), Tyr(3)]-octreotate...
January 18, 2017: Future Oncology
https://www.readbyqxmd.com/read/27928785/-interpretation-of-the-latest-guidelines-in-the-treatment-of-gastrointestinal-neuroendocrine-neoplasms
#18
Luohai Chen, Jie Chen, Zhiwei Zhou
Neuroendocrine neoplasms(NEN) is a rare group of tumors with gastrointestinal tract as one of the most common primary locations. The most commonly used guidelines are proposed by European Neuroendocrine Tumor Society (ENETS) and National Comprehensive Cancer Network(NCCN) respectively, while the management of gastrointestinal NEN is generally identical in these two guidelines. Surgery is still the sole curative method which should be considered as the first choice of locoregional NEN. Otherwise, 40% to 50% of patients manifests metastatic disease when diagnosed...
November 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27922860/the-impact-of-radiological-response-to-peptide-receptor-radionuclide-therapy-on-overall-survival-in-patients-with-metastatic-midgut-neuroendocrine-tumors
#19
Mehmet Yalchin, Amelia Oliveira, Eleni Theocharidou, Deborah Pencharz, Shaunak Navalkissoor, Ann-Marie Quigley, Martin Walker, Martyn Caplin, Christos Toumpanakis
PURPOSE OF THE REPORT: Peptide receptor radionuclide therapy (PRRT) is an effective treatment for advanced neuroendocrine tumors (NET); however, long-term survival data are scarce. The aim of this study is to determine long-term survival in patients with metastatic midgut NET, according to response to PRRT. PATIENTS AND METHODS: One hundred thirty-three consecutive patients with progressive metastatic midgut NET underwent PRRT. Response at 1 year post PRRT was classified as partial response, stable disease, disease progression, or death...
March 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27906859/recent-advances-in-nuclear-medicine-in-endocrine-oncology
#20
Markus Luster, Andreas Pfestroff, Frederik A Verburg
PURPOSE OF REVIEW: The purpose is to review recent advances concerning the role of nuclear medicine in endocrine oncology. RECENT FINDINGS: For I therapy of thyroid cancer a thyrotropin (TSH) more than 30 mU/l has for many years been deemed a condition sine qua non. However, new data show that patients with lower TSH levels at the time of ablation have the same rate of successful ablation as those with TSH more than 30 mU/l.I-124 combined integrated positron emission tomography and computed X-ray tomography was shown to be highly accurate in predicting findings on posttherapy radioiodine scanning and was shown to have a high prognostic power...
January 2017: Current Opinion in Oncology
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