Abstract Library

#3075 Telotristat Makes Significant Difference on Symptoms and Serotonin Levels in a Population with Widespread GI-NET and Severe Carcinoid Syndrome

Introduction: In spite of new treatments like PRRT or everolimus there is a clinical need for systemic therapies that complement SSAs (somatostatin analogs) and antidiarrheal agents in the treatment of carcinoid syndrome, a late stage problem in s-i-NET. Telotristat is a promising addition to our therapeutic arsenal.

Conference: 17th Annual ENETSConcerence (2020)

Presenting Author:

Authors: Linder Ekberg K,

Keywords: telotristat, carcinoid syndrome, metastasized GI-NET,

#2840 A Real-World Study of Patients with Carcinoid Syndrome at King’s College Hospital on Long-Term Telotristat Therapy

Introduction: Telotristat ethyl is a tryptophan hydroxylase inhibitor that has been shown to be effective against symptoms of carcinoid syndrome refractory to standard somatostatin analogue therapy by directly inhibiting serotonin production. While clinical trials have established short-term efficacy of the drug, we report an exploratory real-world study of 15 patients with metastatic neuroendocrine tumours on long-term Telotristat (median duration=8 months).

Conference: 17th Annual ENETSConcerence (2020)

Presenting Author:

Authors: Hota S, Cananea E, Martin W, Clement D, Solis B,

Keywords: Neuroendocrine tumours, carcinoid syndrome, telotristat ethyl,

#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 ENETSConcerence (2017)

Presenting Author:

Authors: Pavel M, Benavent M, Perros P, Srirajaskanthan R, Warner R,

Keywords: serotonin, safety,

#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 ENETSConcerence (2017)

Presenting Author: Lapuerta P

Authors: Lapuerta P, Kulke M, Pavel M, Biran T, Fleming R,

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 ENETSConcerence (2017)

Presenting Author:

Authors: Anthony L, Kulke M, Hörsch D, Bergsland E, Öberg K,

Keywords: serotonin, diarrhea ,