Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UNIPROT:P01275 (glucagon)
 26,492 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

NPS Allelix (formerly Allelix Biopharmaceuticals) is developing the glucagon-like peptide 2 (GLP-2) analog ALX-0600 for the potential treatment of gastrointestinal diseases, including short bowel disease. GLP stimulates the growth of the lining of the small intestine, thus increasing the absorptive area of the intestine [214370], [315107]. ALX-0600 also has potential for mucositis associated with cancer chemotherapy and inflammatory bowel disease [331459]. During the third quarter of 1999, a pilot phase II trial began for short bowel syndrome (SBS) [331459]. ALX-0600 began pivotal phase II trials in 2000 following the completion of the pilot trial which was designed to measure the safety, tolerability, and any other drug-related improvements in nutrient absorption and physical changes in the gut of a small number of patients with SBS. Allelix hopes to bring this drug to the market by 2001 [341519]. Allelix filed an application to the FDA for Orphan Drug designation in the third quarter of 1999 [331459]; in August, the designation was approved [377524]. As of November 1998, Allelix was in discussions with a potential marketing partner for worldwide development and marketing [305000]. In August 1998, the USPTO issued a notice of allowance to Allelix for its basic patent containing claims covering the composition and medical uses of ALX-0600 and related GI drug candidate compounds [2946571.
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PMID:ALX-0600 (NPS Allelix Corp). 1156 7

In the 1980s, the (111)In-labeled somatostatin analog OctreoScan (Covidien, Hazelwood, MO) was developed for imaging of somatostatin receptor subtype 2 (sst(2)) overexpressing tumors. On the basis of this success, peptide receptor radionuclide therapy (PRRT) was developed using similar somatostatin analogs with different therapeutic radionuclides. Clinical application of PRRT demonstrated impressive results on tumor response, overall survival, and quality of life in patients with gastroenteropancreatic neuroendocrine tumors. The peptides 1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid (DOTA), Tyr(3)-octreotate (DOTATATE) and DOTA, Tyr(3)-octreotide (DOTATOC) (brand name Onalta), predominantly targeting sst(2), have been granted Orphan Drug status by the European Medicines Agency and the US Food and Drug Administration for application in PRRT. Besides somatostatin receptor-targeting peptides, multiple other radiopeptide analogs were developed targeting several other receptors overexpressed on various tumors. Some of these peptide analogs, including cholecystokinin, gastrin, gastrin-releasing peptide, arginine-glycine-aspartate (RGD)-peptides, and glucagon-like peptide 1 analogs appeared very promising in preclinical and clinical imaging and PRRT studies. Although the success of PRRT with radiolabeled somatostatin analogs has been established, there is still room for improvement. The therapeutic window of PRRT could be enlarged by the use of new and improved targeting compounds, of which new antagonists with excellent tumor to background ratios are very promising. Furthermore, locoregional administration, improved healthy tissue protection, and combination treatment can be applied to increase the effectiveness of PRRT. Combination treatment might include cocktails of different peptide analogs of different therapeutic radionuclides and of radiolabeled peptides with chemotherapeutic or radiosensitizing agents. This review summarizes results of PRRT and describes clinical and preclinical studies regarding PRRT optimizing strategies.
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PMID:Preclinical and clinical studies of peptide receptor radionuclide therapy. 2035 Jun 30