Lexicon Pharmaceuticals Completes Safety Review of Initial Safety Run-in Cohort of TELE-ABC Study, a Phase 2 Clinical Study of Telotristat Ethyl in Biliary Tract Cancer

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THE WOODLANDS, Texas, Dec. 03, 2019 (GLOBE NEWSWIRE) -- (Nasdaq: LXRX), announced today the completion of a safety review of the initial run-in cohort of the otristat thyl for dvanced iliary Tract ancer, or TELE-ABC, study, which is a Phase 2 clinical study of telotristat ethyl in patients with biliary tract cancer. Telotristat ethyl is a novel, oral tryptophan hydroxylase (TPH) inhibitor approved as XERMELO for the treatment of carcinoid syndrome diarrhea in combination with somatostatin analog (SSA) therapy in adults inadequately controlled by SSA therapy alone.

Safety analysis from the first six patients who completed at least a 21-day cycle of treatment with telotristat ethyl in combination with cisplatin and gemcitabine supports the continuation of enrollment with no adjustment in the telotristat ethyl 500 mg three times daily dosing. To date, the first two patients enrolled have completed over six months of treatment.

“We are pleased that the safety review of the first dose cohort supports continuation of the study in patients with biliary tract cancer,” said Pablo Lapuerta, MD, executive vice president and chief medical officer of Lexicon. “We believe telotristat ethyl’s mechanism of action has potential utility outside of carcinoid syndrome diarrhea. Inhibiting serotonin may help control tumor growth, and we look forward to obtaining topline data on progression-free survival for the first 20 biliary tract cancer patients next year.”

The TELE-ABC study is a multicenter, open-label, two-stage Phase 2 study evaluating the safety and efficacy of telotristat ethyl in combination with standard of care, first-line chemotherapy (cisplatin plus gemcitabine) in approximately 53 patients with unresectable, locally advanced, recurrent or metastatic biliary tract cancer. The primary efficacy endpoint under evaluation is progression-free survival (PFS) rate at six months. Secondary endpoints include overall survival (OS), OS rate at six and 12 months, and PFS rate at 12 months.

Subject to completion of patient enrollment, Lexicon expects to report topline results on 6-month progression-free survival data from the first 20 patients of the TELE-ABC study in 2020.

Discovered using Lexicon’s unique approach to gene science, XERMELO is the first and only approved oral therapy for carcinoid syndrome diarrhea. XERMELO targets tryptophan hydroxylase, an enzyme that mediates the excess serotonin production within metastatic neuroendocrine tumor (mNET) cells. XERMELO is approved in the United States, the European Union and certain additional countries for the treatment of carcinoid syndrome diarrhea in combination with somatostatin analog (SSA) therapy in adults inadequately controlled by SSA therapy. Carcinoid syndrome is a rare condition that occurs in patients living with mNETs and is characterized by frequent and debilitating diarrhea. XERMELO targets the overproduction of serotonin inside mNET cells, providing an additional treatment option for patients suffering from carcinoid syndrome diarrhea.

Lexicon has granted Ipsen an exclusive royalty-bearing right and license to commercialize XERMELO outside of the United States and Japan. Lexicon is commercializing XERMELO in the United States and Ipsen is commercializing XERMELO in multiple countries, including the United Kingdom and Germany.

Lexicon is a fully integrated biopharmaceutical company with a mission of pioneering medicines that transform patients’ lives. Through its Genome5000™ program, Lexicon scientists studied the role and function of nearly 5,000 genes and identified more than 100 protein targets with significant therapeutic potential in a range of diseases. Through the precise targeting of these proteins, Lexicon is pioneering the discovery and development of innovative medicines to safely and effectively treat disease. In addition to its first commercial product, XERMELO, Lexicon has a pipeline of promising drug candidates in clinical and preclinical development in diabetes and metabolism, oncology and neuropathic pain. For additional information, please visit .

Kimberly Lee, D.O.Head of Investor Relations and Corporate StrategyLexicon Pharmaceuticals(281) 863-3383

Chas SchultzExecutive Director, Corporate Communications and Patient AdvocacyLexicon Pharmaceuticals(281) 863-3421

More news and information about Lexicon Pharmaceuticals, Inc.

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Globe Newswire: 12:00 GMT Tuesday 3rd December 2019

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