نتایج جستجو برای: octreotide
تعداد نتایج: 2725 فیلتر نتایج به سال:
BACKGROUND Tamoxifen (TAM) is generally considered the hormonal agent of choice for postmenopausal women with hormone receptor positive breast carcinoma. The somatostatin analogues, including octreotide, have demonstrated inhibition of breast carcinoma cell lines and multiple endocrinologic actions, including reduction of insulin-like growth factor I (IGF-I), a potent mitogen for breast carcino...
BACKGROUND Somatostatin analogs have been shown to control the growth of well-differentiated metastatic neuroendocrine tumors. Their effect on overall survival is a matter of debate. We analyzed the prognostic significance of early treatment with octreotide LAR and of hepatic tumor load in the PROMID trial cohort. PATIENTS AND METHODS Between 2001 and 2008, 85 treatment-naïve patients were ra...
There are few effective, safe modalities for the management of Graves' ophthalmopathy (GO), a cell-mediated immune comorbidity of thyroid disease. Somatostatin analogs inhibit lymphocyte proliferation and activation, and accumulate in the orbital tissue of patients with GO. A double-blind, placebo-controlled study of a long-acting somatostatin analog [16 wk of long-acting release formulation of...
99mTc-octreotide scintigraphy, performed during the following up a 58-year old man with neuroendocrine tumor demonstrated massive hepatomegaly demonstrating multiple areas of increased and decreased uptake. Due to severe hepatomegaly concurrence of any other abdominal soft tissue lesions could not be excluded. A 99mTc-sulfur colloid scan was done and thoroughly compared wi...
BACKGROUND Octreotide treatment may be associated with gall stone development in up to 50% of patients with acromegaly. Two new sustained-release formulations of somatostatin analogue have been recently developed: lanreotide SR (Somatuline) and octreotide LAR (Sandostatin LAR). The incidence of gall-stone development in patients receiving these drugs has been shown to be less than 20%, but the ...
OBJECTIVE Somatostatin (SST) analogues are a key option in the management of a variety of conditions, including acromegaly. Tachyphylaxis to SST analogues is not documented in acromegaly. We describe such a phenomenon. DESIGN AND METHODS A 74-year-old female with acromegaly previously treated with (90)Y implant, external radiotherapy and thrice daily s.c. octreotide had stable GH levels of 19...
UNLABELLED We report here the results of studies on the in vitro receptor binding affinity, in vivo tumor uptake and biodistribution of two 99m-Tc-labeled peptides. METHODS Peptides P587 and P829 were synthesized by N-alpha-Fmoc peptide chemistry, purified by reversed-phase HPLC and characterized by fast-atom bombardment mass spectrometry. The peptides were labeled with 99mTc by ligand exchan...
Therapeutic options to cure advanced, recurrent, and unresectable thymomas are limited. The most important factor for long-term survival of thymoma patients is complete resection (R0) of the tumor. We therefore evaluated the response to and the induction of resectability of primarily or locally recurrent unresectable thymomas and thymic carcinomas by octreotide Long-Acting Release (LAR) plus pr...
Metastatic neuroendocrine tumors (gastrinomas) have a poor prognosis. Octreotide can reduce gastrin levels and alleviate hormonal symptoms, and possibly slow tumor growth as well. No drugs were available except streptozocin for the treatment of metastatic pancreatic neuroendocrine tumor (PNET) in 2008. We report a case of PNET in a 53-year-old woman with multiple liver tumors treated with S-1 p...
BACKGROUND Somatostatin receptor scintigraphy (SRS) and octreotide therapy have both changed the management of gastroenteropancreatic endocrine tumours, but very few data are available on the use of SRS and octreotide to visualise and treat somatostatinomas. METHOD The results of SRS and octreotide treatment in three somatostatinoma patients were examined. RESULTS SRS was able to detect ext...
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