Labeling of DOTA-conjugated HPMA-based polymers with trivalent metallic radionuclides for molecular imaging.

abstract：BACKGROUND:Assessing the extent of disease in newly diagnosed prostate cancer (PC) patients is crucial for tailoring an appropriate treatment approach. Prostate-specific membrane antigen (PSMA)-targeted positron emission tomography/computed tomography (PET/CT) reportedly has greater accuracy than conventional imaging f...

journal_title：EJNMMI research

authors： Kuten J,Dekalo S,Mintz I,Yossepowitch O,Mano R,Even-Sapir E

更新日期：2021-01-06 00:00:00

abstract：BACKGROUND:The availability of GABAA receptor binding sites in the brain can be assessed by positron emission tomography (PET) using the radioligand, [18F]flumazenil. However, the brain uptake and binding of this PET radioligand are influenced by anesthetic drugs, which are typically needed in preclinical imaging studi...

journal_title：EJNMMI research

authors： Palner M,Beinat C,Banister S,Zanderigo F,Park JH,Shen B,Hjoernevik T,Jung JH,Lee BC,Kim SE,Fung L,Chin FT

更新日期：2016-12-01 00:00:00

abstract：INTRODUCTION:The NMDA receptor radiotracer [18F]GE-179 has been used with 90-min scans and arterial plasma input functions. We explored whether (1) arterial blood sampling is avoidable and (2) shorter scans are feasible. METHODS:For 20 existing [18F]GE-179 datasets, we generated (1) standardised uptake values (SUVs) o...

journal_title：EJNMMI research

authors： McGinnity CJ,Riaño Barros DA,Trigg W,Brooks DJ,Hinz R,Duncan JS,Koepp MJ,Hammers A

更新日期：2018-06-11 00:00:00

abstract：BACKGROUND:In vivo determination of regional pulmonary blood flow (PBF) is a valuable tool for the evaluation of many lung diseases. In this study, the use of 68Ga-DOTA PET for the in vivo quantitative determination of regional PBF is proposed. This methodology was implemented and tested in healthy pigs and validated u...

journal_title：EJNMMI research

authors： Velasco C,Mateo J,Santos A,Mota-Cobian A,Herranz F,Pellico J,Mota RA,España S,Ruiz-Cabello J

更新日期：2017-12-01 00:00:00

abstract：BACKGROUND:HEPES is a favorable buffer for 68Ga-complexations in radiochemical laboratories. The drawback of this buffer is its prescribed limit of 200 μg per recommended application volume in the final formulation. Currently, a TLC test according to the European Pharmacopoeia (Ph. Eur.) has to be performed for quantif...

journal_title：EJNMMI research

authors： Pfaff S,Nehring T,Pichler V,Cardinale J,Mitterhauser M,Hacker M,Wadsak W

更新日期：2018-10-23 00:00:00

abstract：BACKGROUND:Cerebral blood flow (CBF) quantitation using technetium-99m hexamethylpropyleneamine oxime (99mTc-HMPAO) generally requires assessment of input function by arterial blood sampling, which would be invasive for small animals. We therefore performed chest dynamic planar imaging, instead of arterial blood sampli...

journal_title：EJNMMI research

authors： Suzuki C,Kosugi M,Magata Y

更新日期：2018-03-09 00:00:00

abstract：BACKGROUND:Over the last decade, a few radioligands have been developed for PET imaging of brain 5-HT1B receptors. The 5-HT1B receptor is a G-protein-coupled receptor (GPCR) that exists in two different agonist affinity states. An agonist ligand is expected to be more sensitive towards competition from another agonist,...

journal_title：EJNMMI research

authors： Lindberg A,Arakawa R,Nogami T,Nag S,Schou M,Elmore CS,Farde L,Pike VW,Halldin C

更新日期：2019-11-21 00:00:00

abstract：BACKGROUND:[18 F]fluorodopa (FDOPA) positron emission tomography (PET) allows assessment of levodopa (LDOPA) metabolism and is widely used to study Parkinson's disease. We examined how [18 F]FDOPA PET-derived kinetic parameters relate the dopamine (DA) and DA metabolite content of extracellular fluid measured by microd...

journal_title：EJNMMI research

authors： Walker MD,Dinelle K,Kornelsen R,Lee A,Farrer MJ,Stoessl AJ,Sossi V

更新日期：2013-10-02 00:00:00

abstract：BACKGROUND:Previously, we reported on the unexpected development of distant metastases in the subcutaneous rat pancreas CA20948 tumor model after 4.5 weeks of treatment with RAD001-only or in combination with [(177)Lu-DOTA(0),Tyr(3)]octreotate ((177)Lu-DOTATATE) (Cancer Res. 73:12-8, 2013). Moreover, the combination th...

journal_title：EJNMMI research

authors： Bison SM,Pool SE,Koelewijn SJ,van der Graaf LM,Groen HC,Melis M,de Jong M

更新日期：2014-05-30 00:00:00

abstract：BACKGROUND:Amino acid co-infusion for renal protection in endoradiotherapy (ERT) applied as prostate-specific membrane antigen (PSMA)-targeted radioligand therapy (RLT) or peptide receptor radionuclide therapy (PRRT) has been shown to cause severe hyperkalemia. The pathophysiology behind the rapid development of hyperk...

journal_title：EJNMMI research

authors： Pfob CH,Eiber M,Luppa P,Maurer F,Maurer T,Tauber R,D'Alessandria C,Feuerecker B,Scheidhauer K,Ott A,Heemann U,Schwaiger M,Schmaderer C

更新日期：2018-02-27 00:00:00

abstract：BACKGROUND:The molecular features of isocitrate dehydrogenase (IDH) mutation and chromosome 1p and 19q (1p/19q) codeletion status have pivotal role for differentiating gliomas and have been integrated in the World Health Organization (WHO) classification in 2016. Positron emission tomography (PET) with 3'-deoxy-3'-[18F...

journal_title：EJNMMI research

authors： Ogawa T,Kawai N,Miyake K,Shinomiya A,Yamamoto Y,Nishiyama Y,Tamiya T

更新日期：2020-05-07 00:00:00

abstract：BACKGROUND:Given the increasing clinical use of PET/MRI, potential risks to patients from simultaneous exposure to ionising radiation and (electro)magnetic fields should be thoroughly investigated as a precaution. With this aim, the genotoxic potential of 2-deoxy-2-[18F]fluoro-D-glucose ([18F]FDG) and a strong static m...

journal_title：EJNMMI research

authors： Brix G,Günther E,Rössler U,Endesfelder D,Kamp A,Beer A,Eiber M

更新日期：2020-04-28 00:00:00

abstract：BACKGROUND:Noninvasive preclinical imaging methodologies such as small animal positron emission tomography (PET) allow the repeated measurement of the same subject which is generally assumed to reduce the variability of the experimental outcome parameter and to produce more robust results. In this study, the variabilit...

journal_title：EJNMMI research

authors： Martic-Kehl MI,Ametamey SM,Alf MF,Schubiger PA,Honer M

更新日期：2012-06-09 00:00:00

abstract：BACKGROUND:Prostate cancer is highly prevalent worldwide. Androgen deprivation therapy (ADT) remains the treatment of choice for incurable prostate cancer, but majority of patients develop disease recurrence following ADT. There is therefore an urgent need for early detection of treatment resistance. METHODS:Isogenic ...

journal_title：EJNMMI research

authors： Malviya G,Patel R,Salji M,Martinez RS,Repiscak P,Mui E,Champion S,Mrowinska A,Johnson E,AlRasheedi M,Pimlott S,Lewis D,Leung HY

更新日期：2020-11-25 00:00:00

abstract：BACKGROUND:Hypoxic tumours exhibit increased resistance to radiation, chemical, and immune therapies. 18F-fluoromisonidazole (FMISO) positron emission tomography (PET) is a non-invasive, quantitative imaging technique used to evaluate the presence and spatial distribution of tumour hypoxia. To facilitate the use of FMI...

journal_title：EJNMMI research

authors： Grkovski M,Schwartz J,Rimner A,Schöder H,Carlin SD,Zanzonico PB,Humm JL,Nehmeh SA

更新日期：2016-12-01 00:00:00

abstract：BACKGROUND:The G-protein-coupled receptor 44 (GPR44) is a beta cell-restricted target that may serve as a marker for beta cell mass (BCM) given the development of a suitable PET ligand. METHODS:The binding characteristics of the selected candidate, AZ12204657, at human GPR44 were determined using in vitro ligand bindi...

journal_title：EJNMMI research

authors： Jahan M,Johnström P,Selvaraju RK,Svedberg M,Winzell MS,Bernström J,Kingston L,Schou M,Jia Z,Skrtic S,Johansson L,Korsgren O,Farde L,Halldin C,Eriksson O

更新日期：2018-12-27 00:00:00

abstract：BACKGROUND:Glioblastoma, the most frequent and aggressive of all astrocytomas, presents a clear predominance in male humans, but the assessment of sexual differences in its tumourigenesis and growth has received little attention so far. In this study, we aim to identify gender-dependent surrogate markers in an animal m...

journal_title：EJNMMI research

authors： Pérez-Carro R,Cauli O,López-Larrubia P

更新日期：2014-12-01 00:00:00

abstract：BACKGROUND:In preclinical positron emission tomography (PET) studies an anaesthetic is used to ensure that the animal does not move during the scan. However, anaesthesia may have confounding effects on the drug or tracer kinetics under study, and the nature of these effects is usually not known. METHOD:We have impleme...

journal_title：EJNMMI research

authors： Spangler-Bickell MG,de Laat B,Fulton R,Bormans G,Nuyts J

更新日期：2016-12-01 00:00:00

abstract：BACKGROUND:Bone Scan Index (BSI) is a quantitative measurement of tumour burden in the skeleton calculated from bone scan images. When analysed at the time of diagnosis, it has been shown to provide prognostic information on survival in men with metastatic prostate cancer (PCa). In this study, we evaluated the prognost...

journal_title：EJNMMI research

authors： Reza M,Bjartell A,Ohlsson M,Kaboteh R,Wollmer P,Edenbrandt L,Trägårdh E

更新日期：2014-10-17 00:00:00

abstract：PURPOSE:Chimeric antibody Miltuximab®, a human IgG1 engineered from the parent antibody MIL-38, is in clinical development for solid tumour therapy. Miltuximab® targets glypican-1 (GPC-1), a cell surface protein involved in tumour growth, which is overexpressed in solid tumours, including prostate cancer (PCa). This st...

journal_title：EJNMMI research

authors： Yeh MC,Tse BWC,Fletcher NL,Houston ZH,Lund M,Volpert M,Stewart C,Sokolowski KA,Jeet V,Thurecht KJ,Campbell DH,Walsh BJ,Nelson CC,Russell PJ

更新日期：2020-05-07 00:00:00

abstract：BACKGROUND:In a colorectal cancer xenograft model, we investigated the therapeutic effect of metformin on tumor hypoxia with [18F]flortanidazole ([18F]HX4) small-animal positron emission tomography (μPET). We also assessed the additive effect of metformin on long-term radiotherapy outcome and we studied the potential o...

journal_title：EJNMMI research

authors： De Bruycker S,Vangestel C,Staelens S,Wyffels L,Detrez J,Verschuuren M,De Vos WH,Pauwels P,Van den Wyngaert T,Stroobants S

更新日期：2019-08-02 00:00:00

abstract：:An amendment to this paper has been published and can be accessed via the original article. ...

journal_title：EJNMMI research

authors： Ross MI,Bird N,Mendichovszky IA,Rimmer YL

更新日期：2020-10-27 00:00:00

abstract：BACKGROUND:Depression in patients with brain tumors is associated with impaired quality of life and shorter survival. Altered metabolism of tryptophan to serotonin and kynurenine metabolites may play a role in tumor-associated depression. Our recent studies with alpha[(11)C]methyl-L-tryptophan (AMT)-PET in brain tumor ...

journal_title：EJNMMI research

authors： Bosnyák E,Kamson DO,Behen ME,Barger GR,Mittal S,Juhász C

更新日期：2015-12-01 00:00:00

abstract：BACKGROUND:18F-FDG PET/CT has proven to be a reliable tool for therapy monitoring in sarcoidosis. Previous PET studies investigated the SUVmax as a marker for disease activity. Total lung glycolysis (TLuG) is a new tool, quantifying the glycolysis of the entire lung. Since SUVmax represents the maximum activity in only...

journal_title：EJNMMI research

authors： Schimmelpennink MC,Vorselaars ADM,Veltkamp M,Keijsers RGM

更新日期：2019-06-13 00:00:00

abstract：BACKGROUND:We quantified myocardial blood flow with (82)Rb PET using parameters of the generalized Renkin-Crone model estimated from (82)Rb and (15)O-water images reconstructed with time-of-flight and point spread function modeling. Previous estimates of rubidium extraction have used older-generation scanners without t...

journal_title：EJNMMI research

authors： Germino M,Ropchan J,Mulnix T,Fontaine K,Nabulsi N,Ackah E,Feringa H,Sinusas AJ,Liu C,Carson RE

更新日期：2016-12-01 00:00:00

abstract：BACKGROUND:Off-target binding in the choroid plexus (CP) may cause spill-in of the tau PET tracer [18F] flortaucipir into the adjacent hippocampus region. The impact of this spill-in on hippocampal uptake was assessed using a novel partial volume correction method (PVC). METHODS:PVC was performed on 20 [18F] flortauci...

journal_title：EJNMMI research

authors： Wolters EE,Golla SSV,Timmers T,Ossenkoppele R,van der Weijden CWJ,Scheltens P,Schwarte L,Schuit RC,Windhorst AD,Barkhof F,Yaqub M,Lammertsma AA,Boellaard R,van Berckel BNM

更新日期：2018-08-15 00:00:00

abstract：UNLABELLED: BACKGROUND:An intriguing biologic process in most adult mammals is post-pneumonectomy lung regeneration, that is, the removal of one lung (pneumonectomy) results in the rapid compensatory growth of the remaining lung. The spatial dependence and metabolic activity of the rodent lung during compensatory lung...

journal_title：EJNMMI research

authors： Gibney BC,Park MA,Chamoto K,Ysasi A,Konerding MA,Tsuda A,Mentzer SJ

更新日期：2012-09-21 00:00:00

abstract：BACKGROUND:Molecular breast imaging (MBI) performed with 99mTc sestamibi has been shown to be a valuable technique for the detection of breast cancer. Alternative radiotracers such as 99mTc maraciclatide may offer improved uptake in breast lesions. The purpose of this study was to compare relative performance of 99mTc ...

journal_title：EJNMMI research

authors： O'Connor MK,Morrow MMB,Hunt KN,Boughey JC,Wahner-Roedler DL,Conners AL,Rhodes DJ,Hruska CB

更新日期：2017-12-01 00:00:00

abstract：BACKGROUND:Peptide receptor radionuclide therapy (PRRT) is applied in patients with advanced neuroendocrine tumors. Co-infused amino acids (AA) should prevent nephrotoxicity. The aims of this study were to correlate the incidence of AA-induced hyperkalemia (HK) (≥5.0 mmol/l) and to identify predictors of AA-induced sev...

journal_title：EJNMMI research

authors： Lapa C,Werner RA,Bluemel C,Lueckerath K,Muegge DO,Strate A,Haenscheid H,Schirbel A,Allen-Auerbach MS,Bundschuh RA,Buck AK,Herrmann K

更新日期：2014-12-24 00:00:00

abstract：BACKGROUND:Image-guided surgery may improve surgical outcome for colorectal cancer patients. Here, we evaluated the feasibility of a pretargeting strategy for multimodal imaging in colorectal cancer using an anti-carcinoembryonic antigen (CEA) x anti-histamine-succinyl-glycine (HSG) bispecific antibody (TF2) in conjunc...

journal_title：EJNMMI research

authors： Elekonawo FMK,Lütje S,Franssen GM,Bos DL,Goldenberg DM,Boerman OC,Rijpkema M

更新日期：2019-09-04 00:00:00