The Place of Somatostatin Analogs in the Diagnosis and Treatment of the Neuoroendocrine Glands Tumors

Author(s): Gabriela Melen-Mucha, Hanna Lawnicka, Dorota Kierszniewska-Stepien, Jan Komorowski, Henryk Stepien.

Journal Name: Recent Patents on Anti-Cancer Drug Discovery

Volume 1 , Issue 2 , 2006

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Abstract:

Somatostatin (SS) was originally discovered as a hypothalamic neurohormone which inhibits growth hormone secretion. The synthesis of the first two metabolically stabilized and more potent SS analogs, octreotide and lanreotide leads to the establishment of applications for them and to introduction into routine therapies. The effectiveness of octreotide or lanreotide in controlling symptoms and GH/IGF-I hypersecretion in acromegalic patients, both preoperatively and postoperatively is well proven. Similarly, these drugs are also very effective in the treatment of TSH-secreting adenomas. The introduction of these drugs into therapy of the functional neuroendocrine tumors of the gastrointestinal tract was a crucial step in the treatment. Octreotide and lanreotide are the drugs of choice in the treatment of patients with: VIPoma, glucagonoma and carcinoid syndrome. Somatostatin receptor scintigraphy with OctreoScan has been recommended as the best imaging technique in these tumors in the localization and staging procedure. SS analogs, coupled to radioisotope or cytotoxic drugs, create another class of SS molecules, very promising in the therapy of the endocrine glands tumors and in other tumors. Another class of SS analogs comprises hybrid molecules, which are chimera of sst2 agonist and D2 agonist, possessing more potent activity than these agonists, applied together.

Keywords: Somatostatin, somatostatin analogs, neuroendocrine tumors, diagnosis, somatostatin receptor scintigraphy, treatment, somatostatin receptor-targeted therapy

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Article Details

VOLUME: 1
ISSUE: 2
Year: 2006
Page: [237 - 254]
Pages: 18
DOI: 10.2174/157489206777442197
Price: $58

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