Abstract library

248 results for "serotonin synthesis inhibitor".
#121 Serotonin synthesis inhibitors: a novel approach for managing gastrointestinal symptoms in carcinoid syndrome
Introduction: Carcinoid syndrome (CS) occurs when metastatic carcinoid tumors secrete large amounts of serotonin (5-HT) and other bioactive substances into systemic circulation, causing a variety of symptoms, including GI symptoms such as profound diarrhea. Reduction in 5-HT production by the tumor would be expected to improve symptoms in patients with CS.
Conference: 7th Annual ENETS Conference (2010)
Category: Clinical
Presenting Author: Jay L Mitchell
#870 Telotristat Etiprate (TE) in a Cohort of Carcinoid Heart Disease Patients in Two Phase 2 Trials
Introduction: Serotonin is a key mediator of carcinoid syndrome (CS). High levels of urinary 5-hydroxyindoleacetic acid (u5-HIAA, a serotonin metabolite) have also been linked with carcinoid heart disease (CaHD). Telotristat etiprate (TE), a novel, oral inhibitor of serotonin synthesis, is in Phase 3 development for the treatment of CS.
Conference: 11th Annual ENETS Conference (2014)
Category: Medical treatment - Others
Presenting Author: Darren Wheeler
#1917 Clinical Correlates of Discrepant Results of Chromogranin a versus Serotonin Markers in Patients with Neuroendocrine Tumors
Introduction: Neuroendocrine tumors lead to elevated chromogranin A levels and elevated serotonin markers (urinary 5HIAA and platelet serotonin). These markers are employed for diagnosis and monitoring.
Conference: 14th Annual ENETS conference (2017)
Category: Biomarkers
Presenting Author: Dr Wim Meijer
Authors: Meijer W, Bruikman C, Beukeveld G, ...
#1068 Telotristat Etiprate in a Subset of Carcinoid Syndrome Patients Who Have High Levels of Urinary 5-hydroxyindoleacetic Acid and Frequent Flushing
Introduction: Serotonin is a key mediator of carcinoid syndrome (CS). CS patients (pts) with high levels of urinary 5-hydroxyindoleacetic acid (u5-HIAA, a serotonin metabolite) and >3 flushing episodes/day are at increased risk of developing carcinoid heart disease (CaHD).
Conference: 12th Annual ENETS Conference (2015)
Category: Medical treatment - Others
Presenting Author: Darren Wheeler
#394 Efficacy of Telotristat Etiprate in Refractory Carcinoid Syndrome: Results of a Randomized, Placebo-controlled, Multicenter Study
Introduction: Diarrhea associated with carcinoid syndrome (CS) has been attributed to excess serotonin. Telotristat etiprate is an oral serotonin synthesis inhibitor that decreases peripheral serotonin production.
Conference: 9th Annual ENETS Conference (2012)
Category: Clinical
Presenting Author: Dr. Matthew Kulke
#396 Telotristat Etiprate Produces Clinical and Biochemical Responses in Patients with Symptomatic Carcinoid Syndrome: Preliminary Results of an Ongoing Phase 2, Multicenter, Open-label, Serial-ascending, European Study
Introduction: Excess serotonin (5-HT) may cause gastrointestinal (GI) symptoms (e.g., diarrhea) in carcinoid syndrome (CS) patients. Telotristat etiprate is an oral serotonin synthesis inhibitor designed to reduce peripheral 5-HT levels and alleviate GI distress.
Conference: 9th Annual ENETS Conference (2012)
Category: Clinical
Presenting Author: Dr Marianne E Pavel
#1941 Integrated Safety Analysis of Telotristat Ethyl in Patients with Carcinoid Heart Disease
Introduction: Release of serotonin by neuroendocrine tumors is associated with carcinoid heart disease (CaHD), which may pose challenges for carcinoid syndrome (CS) treatment.
Conference: 14th Annual ENETS conference (2017)
Category: Medical treatment - Targeted therapies
Presenting Author: Dr Pablo Lapuerta
Authors: Lapuerta P, Kulke M H, Pavel M, Biran T, ...
Keywords: serotonin, 5-HIAA
#1940 Impact of Concomitant Medication on Efficacy of Telotristat Ethyl – A Post Hoc Subgroup Analysis of the Phase 3 TELESTAR Study in Carcinoid Syndrome
Introduction: The tryptophan hydroxylase inhibitor telotristat ethyl (TE) significantly reduced bowel movement (BM) frequency versus placebo (pbo) in patients (pts) with carcinoid syndrome (CS) in the TELESTAR study.
Conference: 14th Annual ENETS conference (2017)
Category: Medical treatment - Targeted therapies
Presenting Author: Lowell Anthony
Keywords: serotonin, diarrhea
#1942 Telotristat Ethyl in Carcinoid Syndrome: Safety and Efficacy Results of an Open-Label Extension of the TELECAST Phase 3 Clinical Trial
Introduction: TELECAST assessed telotristat ethyl (TE), a tryptophan hydroxylase inhibitor, in patients (pts) with carcinoid syndrome (CS) with ≥1 CS symptom/sign and a mean 2.5 bowel movements (BMs) per day. Pts were somatostatin analog treated (89%), with gastrointestinal (90%; [diarrhea, 70%]) and cardiac disorders (42%), including carcinoid heart disease. At Week (W) 12, TE (250 and 500 mg 3×/day; tid) significantly reduced urinary 5-hydroxyindoleacetic acid (u5-HIAA) and BMs/day vs placebo (pbo) (p≤0.008). After W12, pts crossed over to an open-label extension (OLE) with TE 500 mg tid (W13–48).
Conference: 14th Annual ENETS conference (2017)
Category: Medical treatment - SMS analogues, interferon
Presenting Author: Dr. Marianne Pavel
Keywords: serotonin, safety
#1507 The CDK4/6 Inhibitor Palbociclib Induces Anti-proliferative Mechanisms in Gastroenteropancreatic Neuroendocrine Neoplasms In Vitro
Introduction: Gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs) are rare tumors with heterogeneous molecular backgrounds and mostly unknown druggable driver mutations. Especially for the midgut NENs effective treatment options are limited. The retinoblastoma pathway is often inactive due to CDK4/6 overexpression in pancreatic NENs. Palbociclib is a FDA approved (ER-positive and HER2-negative breast cancer) cyclin-dependent kinases 4 and 6 inhibitor and might impair cell cycle progression and proliferation.
Conference: 13th Annual ENETS conference (2016)
Category: Medical treatment - Targeted therapies
Presenting Author: Franziska Briest