نتایج جستجو برای: immunoscintigraphy
تعداد نتایج: 108 فیلتر نتایج به سال:
PURPOSE The early detection and diagnosis of pancreatic cancer remains a major clinical challenge in which imaging procedures have a central role. The purpose of this study was to evaluate a pretargeting method with a bispecific PAM4 (bsPAM4; anti-MUC1) antibody for radioimmunoscintigraphy of experimental human pancreatic cancer. EXPERIMENTAL DESIGN A bispecific F(ab')(2) antibody was generat...
UNLABELLED The aim of this study was to compare FDG PET with a new monoclonal antibody-based imaging agent that comprises an anti-carcinoembryonic antigen (CEA) monoclonal antibody Fab' fragment directly labeled with 99mTc. METHODS Twenty-eight patients who were previously treated for colorectal carcinoma and in whom recurrence was suspected were examined with FDG PET and immunoscintigraphy. ...
UNLABELLED Pretargeted radioimmunotherapy (RIT) using streptavidin (sAv)-conjugated antibodies before radiolabeled-biotin is a promising approach to improve absorbed dose ratios and achieve high durable remission rates with diminished systemic toxicity. This study compared the immunoscintigraphy, toxicity, and therapeutic efficacy of pretargeted RIT with conventional RIT using an anti-CD20 anti...
Angiogenesis is the propelling force for tumor growth and metastasis, and antiangiogenic therapy represents one of the most promising modalities for cancer treatment. CD105 (endoglin) is a proliferation-associated and hypoxia-inducible protein abundantly expressed in angiogenic endothelial cells (EC). It is a receptor for transforming growth factor (TGF) -beta1 and -beta3 and modulates TGF-beta...
The principal indication of performing a frozen section is to obtain a definite immediate diagnosis, on the basis of which a surgical decision will be made. Immediate diagnosis allows the surgeon to proceed with further therapy without any delay. A definite immediate diagnosis is said to be dependent on the reliability of frozen sections. Many authors have carried out frozen section study on so...
Labeled antibodies, as well as their fragments and antibody-derived recombinant constructs, have long been proposed as general vectors to target radionuclides to tumor lesions for imaging and therapy. They have indeed shown promise in both imaging and therapeutic applications, but they have not fulfilled the original expectations of achieving sufficient image contrast for tumor detection or suf...
INTRODUCTION Suitable biomarkers are essential for therapeutic strategies in personalized medicine in terms of diagnosis as well as of prognosis. With highly specific biomarkers, it is possible, for example, to identify patients with poor prognosis, which enables early intervention and intensive treatment. The aim of this study was to identify and validate biomarkers and possible combinations f...
TotheEditor: It is with great interest that we read the article of Atkins et al. (1) and the accompanying commentary of Panelli et al. (2) about the possible usefulness of carbonic anhydrase IX-G250MN (CAIX) expression as a biomarker to predict responses to interleukin-2 therapy in renal cell carcinoma. Atkins et al. (1) showed that high-positively CAIX staining [according to Bui et al. (3)] of...
Falsely increased concentrations of the ovarian carcinoma-associated antigen, CA 125, were measured by a monoclonal antibody (MAb)-based double determinant immunoradiometric assay (IRMA) in patients who developed antibodies to mouse immunoglobulins (IgGs) after receiving injections of the same MAb as is used in the CA 125 IRMA. Addition of undiluted mouse serum or purified mouse IgG to the assa...
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