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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT04543955
Other study ID # MCC-20-GI-114-PMC
Secondary ID
Status Terminated
Phase Phase 2
First received
Last updated
Start date September 13, 2021
Est. completion date June 3, 2022

Study information

Verified date June 2023
Source University of Kentucky
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This trial will test the hypothesis that Telotristat treatment increases the antitumor efficacy of Lutetium Lu 177 Dotatate therapy in neuroendocrine tumors (NETs).


Description:

Neuroendocrine tumors (NETs) are a very heterogeneous group of tumors that develop predominantly in the gastrointestinal and pulmonary systems. Clinical detection and diagnosis are more reliable at late stages when metastatic spread has occurred. Patients with advanced disease may suffer from complications of uncontrolled hormone secretion and usually succumb due to tumor progression. This trial tests the hypothesis that inhibition of serotonin production with Telotristat will lead to cytostatic effects on neuroendocrine tumors and will complement the anti-tumor activity of Lutetium 177 Dotatate. The proposed combination may result in improved treatment efficacy as reflected by improved 20-month progression-free survival (PFS) as compared to historical control.


Recruitment information / eligibility

Status Terminated
Enrollment 1
Est. completion date June 3, 2022
Est. primary completion date June 3, 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years to 100 Years
Eligibility Inclusion Criteria: - Metastatic, or unresectable, histologically confirmed well-differentiated grade 1 and 2 neuroendocrine tumor with a positive gallium 68 Dotatate scan within 6 months prior to study enrollment - Baseline CT scan or MRI with measurable progressive disease based on RECIST Criteria - Failure of at least one prior systemic cancer treatment for this diagnosis - Recovered from Adverse Events of previously administered therapeutic agents to Grade 2 or less toxicity according to CTCAE version 5.0 - Eastern Cooperative Oncology Group (ECOG) performance status =2 - normal organ and marrow function Exclusion Criteria: - Prior exposure to Lutetium Lu 177 Dotatate - History of allergic reactions attributed to compounds of similar chemical or biologic composition to Telotristat or Lutetium Lu 177 Dotatate. - Presence of unstable angina or myocardial infarction - New York Heart Association (NYHA) Class III or IV heart failure - uncontrolled angina - history of severe coronary artery disease, severe uncontrolled ventricular arrhythmias, sick sinus syndrome, or electrocardiographic evidence of acute ischemia or Grade 3 conduction system abnormalities - Pregnant or lactating women - Women of childbearing potential or male patients of reproductive potential - Any other significant medical or psychiatric condition, currently uncontrolled by treatment, which may interfere with completion of the study

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Telotristat (Low-Dose)
Participants in this group will receive Lutetium Lu 177 Dotate (Lutathera) by IV every 2 months (Q8weeks) for a total of 4 doses. They will also receive oral Telotristat at 750mg per day (250mg TID) for 20 months.
Telotristat (High-Dose)
Participants in this group will receive Lutetium Lu 177 Dotate (Lutathera) by IV every 2 months (Q8weeks) for a total of 4 doses. They will also receive oral Telotristat at 1500mg per day (500mg TID) for 20 months.

Locations

Country Name City State
United States Markey Cancer Center Lexington Kentucky

Sponsors (2)

Lead Sponsor Collaborator
Lowell Anthony, MD TerSera Therapeutics LLC

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Progression-Free Survival (PFS) Progression-free survival at 20 months. 20 months
Secondary Overall Response Rate (ORR) Overall response rate using RECIST v1.1 at 6 and 12 months after therapy 6 and 12 months
Secondary Median Progression-Free Survival (PFS) Median progression-free survival. 36 month
Secondary Urinary 5-HIAA Levels of urinary 5-Hydroxyindoleacetic acid (5-HIAA) will be measured at baseline and 12 months. Baseline and 12 months
Secondary Quality of Life (QLQ-C30) The Quality of Life Questionnaire C30 (QLQ-C30) was developed by the European Organization for Research and Treatment of Cancer (EORTC) to assess quality of life in cancer patients.It includes five function domains (physical, emotional, social, role, cognitive), eight symptoms (fatigue, pain, nausea/vomiting, constipation, diarrhea, insomnia, dyspnea, and appetite loss), as well as global health/quality-of-life and financial impact. Subjects respond on a four-point scale from "not at all" to "very much" for most items.Raw scores are linearly converted to a 0-100 scale with higher scores reflecting higher levels of function and higher levels of symptom burden. 20 month
Secondary Quality of Life (QLQ-GI.NET21) The Quality of Life GI Neuroendocrine Tumor survey (QLQ-GINET21) contains a total of 21 items: four single-item assessments relating to muscle and/or bone pain (MBP), body image (BI), information (INF) and sexual functioning (SX), together with 17 items organised into five proposed scales: endocrine symptoms (ED; three items), GI symptoms (GI; five items), treatment-related symptoms (TR; three items), social functioning (SF) and disease-related worries (DRW; three items). The response format of the questionnaire is a four-point Likert scale. Responses are linearly transformed to a 0-100 scale using EORTC guidelines, with higher scores reflecting more severe symptoms. 20 month
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