نتایج جستجو برای: Somatostatin analog
تعداد نتایج: 60784 فیلتر نتایج به سال:
Five somatostatin receptors (SSTRs) bind somatostatin-14 (S-14) and somatostatin-28 (S-28), but SSTR5 has the highest affinity for S-28. To determine whether S-28 acting through SSTR5 mediates inhibition of glucagon-like peptide-1 (GLP-1), fetal rat intestinal cell cultures were treated with somatostatin analogs with relatively high specificity for SSTRs 2-5. S-28 dose-dependently inhibited GLP...
Carcinoid tumors of the lung are rare neuroendocrine tumors that make up approximately 1 to 2% of all lung neoplasms. These tumors overexpress somatostatin receptors, and somatostatin analog therapy has become standard in the treatment of carcinoid tumors. In addition, radiolabeled somatostatin analogs have been used to diagnose and treat these lesions. We describe the case of a patient with a ...
Somatostatin receptors expressed on tumor cells form the rationale for somatostatin analog treatment of patients with somatostatin receptor-positive neuroendocrine tumors. Nevertheless, although somatostatin analogs effectively control hormonal hypersecretion by GH-secreting pituitary adenomas, islet cell tumors, and carcinoid tumors, significant differences are observed among patients with res...
UNLABELLED Somatostatin increases absorption of electrolytes and inhibits diarrhea in patients with endocrine tumors and short bowel syndrome. In an attempt to develop a gut-specific somatostatin analog, each amino acid in the somatostatin molecule was replaced with L-alanine, deleted, or substituted with its D-isomer. The potency of each analog to stimulate ion transport in the rabbit ileum wa...
We report on a patient with acromegaly who developed severe drug-induced hepatitis during combined treatment with the long-acting somatostatin-analog octreotide and the GH receptor antagonist pegvisomant. The hepatic enzyme disturbances normalized after discontinuation of pegvisomant. After rechallenge with monotherapy pegvisomant, however, the hepatic enzyme disturbances reappeared within a fe...
This study was supported in part by a centre grant from the National Health and Medical Research Council of Australia and a grant from Sandoz Pharma, Basle, Switzerland. 1 Ho KY, Weissberger AJ, Marbach P, Lazarus L. Therapeutic efficacy of the somatostatin analog SMS 201-995 (octreotide) in acromegaly: effects of dose and frequency and long term safety. Ann Intern Med 1990;112:173-81. 2 Sassol...
2040 Background: Patients with recurrent or progressive meningiomas who have exhausted surgical and radiation options have limited remaining treatment choices. Somatostatin receptors are expressed in nearly 90% of meningiomas, and somatostatin inhibits meningioma growth in vitro. The somatostatin analog octreotide had promising results in a pilot clinical study. Pasireotide LAR is a long-acting...
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