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Study of Telotristat Etiprate (LX1606) in Participants With Symptomatic Carcinoid Syndrome

26. Februar 2019 aktualisiert von: Lexicon Pharmaceuticals

A Phase 2, Open-Label, Multi-Center, Serial Ascending-Dose, Dose-Finding Study to Evaluate the Safety and Tolerability of LX1606 in Subjects With Symptomatic Carcinoid Syndrome

The purpose of the study is to evaluate the safety and tolerability of orally administered telotristat etiprate (LX1606) in participants with symptomatic carcinoid syndrome.

Studienübersicht

Status

Abgeschlossen

Bedingungen

Intervention / Behandlung

Studientyp

Interventionell

Einschreibung (Tatsächlich)

15

Phase

  • Phase 2

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienorte

  • Deutschland
      • Bad Berka, Deutschland
        • Lexicon Investigational Site
      • Berlin, Deutschland
        • Lexicon Investigational Site
      • Halle, Deutschland
        • Lexicon Investigational Site
      • Lubeck, Deutschland
        • Lexicon Investigational Site
      • Marburg, Deutschland
        • Lexicon Investigational Site
      • Munich, Deutschland
        • Lexicon Investigational Site
  • Vereinigtes Königreich
      • Basingstoke, Vereinigtes Königreich
        • Lexicon Investigational Site
      • Cambridge, Vereinigtes Königreich
        • Lexicon Investigational Site
      • London, Vereinigtes Königreich
        • Lexicon Investigational Site
      • Manchester, Vereinigtes Königreich
        • Lexicon Investigational Site

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

18 Jahre und älter (Erwachsene, Älterer Erwachsener)

Akzeptiert gesunde Freiwillige

Nein

Studienberechtigte Geschlechter

Alle

Beschreibung

Inclusion Criteria:

  • Males and females, aged 18 and older
  • Biopsy-proven metastatic carcinoid tumor of the gastrointestinal (GI) tract with disease extent confirmed by computed tomography (CT), magnetic resonance imaging (MRI), or radionuclide imaging
  • Symptomatic carcinoid syndrome (≥4 bowel movements per day)
  • Ability to provide written informed consent

Exclusion Criteria:

  • ≥ 12 high-volume, watery bowel movements per day
  • Sponsor-unacceptable clinical laboratory values for hematology and liver function tests at screening
  • Karnofsky status ≤70% - unable to care for self
  • Surgery within 60 days prior to screening
  • A history of short bowel syndrome
  • Life expectancy < 12 months
  • History of substance or alcohol abuse within 2 years prior to screening
  • Administration of any investigational drug within 30 days of screening or any therapeutic protein or antibody within 90 days of screening

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Behandlung
  • Zuteilung: Zufällig
  • Interventionsmodell: Einzelgruppenzuweisung
  • Maskierung: Keine (Offenes Etikett)

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: Telotristat etiprate - Core Phase
Following a 2-week Run-In Period, participants received telotristat etiprate capsules at a starting dose of 150 mg, orally three times daily (TID) for 14 days in the Core Phase. Dose escalations (250 mg, 350 mg, 500 mg) occurred serially every 14 days, up to a maximum dosage of telotristat etiprate 500 mg TID, as guided by specific clinical criteria for dose escalation. Upon completion of 12 weeks of treatment, participants were eligible to receive telotristat etiprate in the optional Open-label Extension Period.
Arzneimittel: Telotristat etiprate
Telotristat etiprate capsules orally three times daily.
Andere Namen:
  • LX1606 Hippurat
Experimental: Telotristat etiprate - Extension Period
Participants received telotristat etiprate at their highest tolerated dose (250 mg or 500 mg), orally, TID for 124 weeks in the Open-label Extension Period. If neither dose was tolerated participants were discontinued from the study and completed the 2-week Follow-up Visit.
Arzneimittel: Telotristat etiprate
Telotristat etiprate capsules orally three times daily.
Andere Namen:
  • LX1606 Hippurat

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Number of Participants With Any Treatment Emergent Adverse Events (TEAEs) and Drug-Related TEAEs in the Core Phase
Zeitfenster: Baseline up to Week 12 in the Core Phase
An adverse event (AE) was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not considered drug-related. Treatment-emergent AEs were defined as any AEs reported after the first dose of treatment on Day 1.
Baseline up to Week 12 in the Core Phase
Number of Participants With Any Treatment Emergent Adverse Events (TEAEs) and Drug-Related TEAEs in the Extension Period
Zeitfenster: Up to 124 Weeks in the Extension Period
An adverse event (AE) was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not considered drug-related. Treatment-emergent AEs were defined as any AEs reported after the first dose of treatment on Day 1.
Up to 124 Weeks in the Extension Period

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Change From Baseline in Number of Bowel Movements (BMs)
Zeitfenster: Core Phase: Baseline to Weeks 9-12; Extension Period: Baseline to Week 24
Participants recorded the number of bowel movements in a daily diary. The change from baseline value was calculated as the difference between mean numbers of BMs of the post-baseline interval (Weeks 9 to 12) and baseline. A negative change from baseline indicates improvement. Baseline for the Extension Period was defined as non-missing assessment in Run-in period prior to the first dose of study drug.
Core Phase: Baseline to Weeks 9-12; Extension Period: Baseline to Week 24
Change From Baseline in Stool Form/Consistency
Zeitfenster: Core Phase: Baseline to Weeks 9-12; Extension Period: Baseline to Week 24
Participants assessed stool form/consistency in a daily diary using a 6-point scale (0-none, 1-hard, 2-firm, 3-soft, 4-loose, 5-watery). The change from the baseline value was calculated as the difference between a mean score of the post-baseline interval (Weeks 9 to 12) and baseline. 0 indicates the best score and 5 indicates the worst score. A negative change from baseline indicates improvement. Baseline for the Extension Period was defined as non-missing assessment in Run-in period prior to the first dose of study drug.
Core Phase: Baseline to Weeks 9-12; Extension Period: Baseline to Week 24
Change From Baseline in Percentage of Days With Sensation of Urgency to Defecate
Zeitfenster: Core Phase: Baseline to Weeks 9-12; Extension Period: Baseline to Week 24
Participants assessed the urgency to defecate using a daily diary response to the following question, "Have you felt or experienced a sense of urgency to pass stool today?". The change from the baseline value was calculated as the difference between the mean score (percentage of days) of the post-baseline interval (Weeks 9 to 12) and baseline. Baseline for the Extension Period was defined as non-missing assessment in Run-in period prior to the first dose of study drug.
Core Phase: Baseline to Weeks 9-12; Extension Period: Baseline to Week 24
Change From Baseline in Sensation/Severity of Nausea Using 100 mm Visual Analog Scale (VAS)
Zeitfenster: Core Phase: Baseline to Weeks 9-12; Extension Period: Baseline to Week 24
Sensation/severity of nausea was measured using a 100 mm VAS. Participants rated their perception of the sensation/severity of nausea experienced by marking a single vertical line on a VAS scale from 0 to 100 mm, where 0 = No vomiting and 100 = vomiting. The change from the baseline value was calculated as the difference between the mean score of the post-baseline interval (Weeks 9 to 12) and baseline. 0 indicates the best score, 100 indicates the worst score. Baseline for the Extension Period was defined as non-missing assessment in Run-in period prior to the first dose of study drug.
Core Phase: Baseline to Weeks 9-12; Extension Period: Baseline to Week 24
Number of Participants With an Improvement in Global Assessment of Symptoms Associated With Carcinoid Syndrome
Zeitfenster: Core Phase: Weeks 9-12; Extension Period: Week 24
Participants assessed their symptoms using a weekly subjective response to the following question, "In the past 7 days, have you had adequate relief of your carcinoid syndrome bowel complaints such as diarrhea, urgent need to have a bowel movement, abdominal pain, or discomfort?". The values for improvement in global assessment of symptoms associated with carcinoid syndrome in the Core Phase were averaged from Weeks 9 to 12.
Core Phase: Weeks 9-12; Extension Period: Week 24
Change From Baseline in Daily Severity of Abdominal Pain or Discomfort Using 100 mm Visual Analog Scale (VAS)
Zeitfenster: Core Phase: Baseline to Weeks 9-12; Extension Period: Baseline to Week 24
The severity of abdominal pain was measured using a 100 mm VAS. Participants rated their perception of the sensation/severity of abdominal pain or experienced by marking a single vertical line on a VAS scale from 0 to 100 mm, where 0 = No vomiting and 100 = vomiting. The change from the baseline value was calculated as the difference between the mean score of the post-baseline interval (Weeks 9 to 12) and baseline. 0 indicate the best score, 100 indicates the worst score. Baseline for the Extension Period was defined as non-missing assessment in Run-in period prior to the first dose of study drug.
Core Phase: Baseline to Weeks 9-12; Extension Period: Baseline to Week 24
Change From Baseline in Daily Number of Cutaneous Flushing Episodes
Zeitfenster: Core Phase: Baseline to Weeks 9-12; Extension Period: Baseline to Week 24
Participants recorded the number of daily cutaneous flushing episodes experienced in the daily diary. The change from baseline value was calculated as the difference between the mean numbers of cutaneous flushing episodes of the post-baseline interval (Weeks 9 to 12) and baseline. Baseline for the Extension Period was defined as non-missing assessment in Run-in period prior to the first dose of study drug.
Core Phase: Baseline to Weeks 9-12; Extension Period: Baseline to Week 24
Number of Participants Achieving Clinically Meaningful Symptom Reduction in the Core Phase
Zeitfenster: Baseline to Week 12
Clinically meaningful symptom reduction was defined as either: a) an average of < 4 bowel movements per day over 15 consecutive days, b) a 50% reduction from baseline in the number of bowel movements, c) a positive response to the question regarding adequate relief, or d) a 50% reduction from baseline in the number of daily flushing episodes.
Baseline to Week 12
Change From Baseline in Urinary 5-Hydroxyindoleacetic Acid (HIAA) Levels
Zeitfenster: Core Phase: Baseline to Week 12; Extension Period: Baseline to Weeks 20-21
Urinary 5-HIAA (u5-HIAA) is a standard test used in clinical practice to assess the neuroendocrine tumor (NET) activity and is collected as a 24-hour urine specimen. The change from baseline value for the Extension Period was calculated as the difference between mean change in 5-HIAA of the post-baseline interval (Weeks 20 to 21) and baseline. A negative change from baseline indicates improvement. Baseline for the Extension Period was defined as non-missing assessment in Run-in period prior to the first dose of study drug.
Core Phase: Baseline to Week 12; Extension Period: Baseline to Weeks 20-21

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Lexicon Pharmaceuticals

Ermittler

  • Studienleiter: Pablo LaPuerta, MD, Lexicon Pharmaceuticals, Inc.

Publikationen und hilfreiche Links

Die Bereitstellung dieser Publikationen erfolgt freiwillig durch die für die Eingabe von Informationen über die Studie verantwortliche Person. Diese können sich auf alles beziehen, was mit dem Studium zu tun hat.

Allgemeine Veröffentlichungen

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Tatsächlich)

15. Juni 2010

Primärer Abschluss (Tatsächlich)

12. Februar 2014

Studienabschluss (Tatsächlich)

12. Februar 2014

Studienanmeldedaten

Zuerst eingereicht

12. April 2010

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

13. April 2010

Zuerst gepostet (Schätzen)

15. April 2010

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

15. März 2019

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

26. Februar 2019

Zuletzt verifiziert

1. Februar 2019

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • LX1606.1-203-CS
  • LX1606.203, LX1032 (Andere Kennung: Lexicon Pharmaceuticals, Inc.)
  • 2009-016973-13 (EudraCT-Nummer)

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Ja

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .

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