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Goal Achievement After Utilizing an Anti-PCSK9 Antibody in Statin Intolerant Subjects-3 (GAUSS-3)

1. November 2018 aktualisiert von: Amgen

A Double-blind, Randomized, Multicenter Study to Evaluate the Safety and Efficacy of Evolocumab, Compared With Ezetimibe, in Hypercholesterolemic Subjects Unable to Tolerate an Effective Dose of a HMG-CoA Reductase Inhibitor Due to Muscle Related Side Effects

The primary objective of this study was to evaluate the effect of 24 weeks of evolocumab administered subcutaneously (SC) every month, compared with ezetimibe, on low-density lipoprotein cholesterol (LDL-C) levels in adults with high cholesterol who are unable to tolerate an effective dose of a statin due to muscle-related side effects (MRSE).

Studienübersicht

Detaillierte Beschreibung

The study is divided into 3 parts (A, B, C). After an initial 4-week washout period in which any statins, ezetimibe, or other lipid-lowering agents were discontinued, participants were enrolled in phase A, a double-blind, placebo-controlled crossover procedure to rechallenge patients with atorvastatin. Patients were randomly assigned in a 1:1 ratio to receive either atorvastatin (20 mg daily) or matching placebo for the first 10 weeks (period 1), then underwent a 2-week washout period, followed by crossover to the alternate therapy for a second 10-week period (period 2). Patients who experienced intolerable muscle symptoms during the first period did not complete the full 10 weeks of exposure but entered a 2-week washout period before proceeding to period 2.

Participants who did not develop muscle-related side effects were removed from the study, as were patients who reported muscle-related side effects during a placebo period.

After completion of phase A, patients who experienced muscle-related adverse effects while taking atorvastatin but not placebo were eligible for phase B, a 24-week, double-blind randomization to ezetimibe or evolocumab using a double-dummy design in which patients received either injectable placebo and oral ezetimibe or injectable evolocumab and oral placebo. A patient could proceed directly to phase B if they had a documented history of creatine kinase (CK) elevation more than 10 times the upper limit of normal accompanied by muscle symptoms while taking statin therapy, with documented resolution of both CK elevation and symptoms upon discontinuation of statin therapy.

These study procedures were designed to ensure that only patients with reproducible statin-associated muscle symptoms entered phase B of the study. For phase B, participants were randomized 2:1 to receive subcutaneously administered evolocumab (420 mg monthly) or oral ezetimibe (10 mg daily). Randomization in part B was stratified by screening LDL-C level (< 180 mg/dL [4.66 mmol/L] vs. ≥ 180 mg/dL) at study baseline.

Participants who completed phase B and did not discontinue SC investigational product for any reason, including an adverse event, were eligible to proceed to the 2-year open-label extension phase C to evaluate the long-term safety and efficacy of evolocumab in statin-intolerant patients. Participants in phase C were allowed to choose quarterly between evolocumab 420 mg SC QM or evolocumab 140 mg SC every 2 weeks (Q2W).

Studientyp

Interventionell

Einschreibung (Tatsächlich)

511

Phase

  • Phase 3

Kontakte und Standorte

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

Studienorte

    • New South Wales
      • Camperdown, New South Wales, Australien, 2015
        • Research Site
    • Queensland
      • Woolloongabba, Queensland, Australien, 4102
        • Research Site
    • South Australia
      • Ashford, South Australia, Australien, 5035
        • Research Site
      • Berlin, Deutschland, 13353
        • Research Site
      • Köln, Deutschland, 50937
        • Research Site
      • München, Deutschland, 80638
        • Research Site
      • Aarhus N, Dänemark, 8200
        • Research Site
      • Glostrup, Dänemark, 2600
        • Research Site
      • Nantes Cedex 1, Frankreich, 44093
        • Research Site
      • Paris Cedex 13, Frankreich, 75651
        • Research Site
      • Vénissieux, Frankreich, 69200
        • Research Site
      • Bologna, Italien, 40138
        • Research Site
      • Cagliari, Italien, 09134
        • Research Site
      • Cinisello Balsamo (MI), Italien, 20092
        • Research Site
      • Ferrara, Italien, 44100
        • Research Site
      • Perugia, Italien, 06129
        • Research Site
      • Pisa, Italien, 56124
        • Research Site
      • Quebec, Kanada, G1V 4M6
        • Research Site
    • British Columbia
      • Vancouver, British Columbia, Kanada, V5Z 1M9
        • Research Site
    • Ontario
      • Hamilton, Ontario, Kanada, L8L 2X2
        • Research Site
      • London, Ontario, Kanada, N6A 4V2
        • Research Site
      • Peterborough, Ontario, Kanada, K9J 0B2
        • Research Site
    • Quebec
      • Montreal, Quebec, Kanada, H2W 1R7
        • Research Site
      • St-Charles-Borromee, Quebec, Kanada, J6E 6J2
        • Research Site
      • Christchurch, Neuseeland, 8011
        • Research Site
      • Amsterdam, Niederlande, 1105 AZ
        • Research Site
      • Rotterdam, Niederlande, 3045 PM
        • Research Site
      • Zwijndrecht, Niederlande, 3331 LZ
        • Research Site
      • Oslo, Norwegen, 0373
        • Research Site
      • Ålesund, Norwegen, 6003
        • Research Site
    • Gauteng
      • Johannesburg, Gauteng, Südafrika, 2157
        • Research Site
      • Midrand, Gauteng, Südafrika, 1685
        • Research Site
    • Western Cape
      • Observatory, Western Cape, Südafrika, 7925
        • Research Site
      • Parow, Western Cape, Südafrika, 7505
        • Research Site
      • Hradec Kralove, Tschechien, 500 05
        • Research Site
      • Praha 2, Tschechien, 128 08
        • Research Site
      • Praha 4, Tschechien, 140 21
        • Research Site
    • California
      • Beverly Hills, California, Vereinigte Staaten, 90211
        • Research Site
      • Huntington Beach, California, Vereinigte Staaten, 92648
        • Research Site
      • Los Angeles, California, Vereinigte Staaten, 90048
        • Research Site
      • San Pedro, California, Vereinigte Staaten, 90732
        • Research Site
    • Georgia
      • Atlanta, Georgia, Vereinigte Staaten, 30322
        • Research Site
    • Illinois
      • Sterling, Illinois, Vereinigte Staaten, 61081
        • Research Site
    • Kansas
      • Kansas City, Kansas, Vereinigte Staaten, 66160
        • Research Site
    • Maryland
      • Baltimore, Maryland, Vereinigte Staaten, 21201
        • Research Site
      • Towson, Maryland, Vereinigte Staaten, 21204
        • Research Site
    • Michigan
      • Ann Arbor, Michigan, Vereinigte Staaten, 48106
        • Research Site
    • Minnesota
      • Rochester, Minnesota, Vereinigte Staaten, 55905
        • Research Site
    • Missouri
      • Saint Louis, Missouri, Vereinigte Staaten, 63110
        • Research Site
    • New York
      • New York, New York, Vereinigte Staaten, 10029
        • Research Site
    • North Carolina
      • Durham, North Carolina, Vereinigte Staaten, 27710
        • Research Site
    • Ohio
      • Cleveland, Ohio, Vereinigte Staaten, 44195
        • Research Site
    • Pennsylvania
      • York, Pennsylvania, Vereinigte Staaten, 17405
        • Research Site
    • South Carolina
      • Charleston, South Carolina, Vereinigte Staaten, 29425
        • Research Site
    • Texas
      • Houston, Texas, Vereinigte Staaten, 77030
        • Research Site
      • Birmingham, Vereinigtes Königreich, B15 2TH
        • Research Site
      • Glasgow, Vereinigtes Königreich, G12 8TA
        • Research Site
      • Newcastle upon Tyne, Vereinigtes Königreich, NE1 4LP
        • Research 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 bis 80 Jahre (Erwachsene, Älterer Erwachsener)

Akzeptiert gesunde Freiwillige

Nein

Studienberechtigte Geschlechter

Alle

Beschreibung

Inclusion Criteria:

  • Male or female ≥ 18 to ≤ 80 years of age
  • Subject not at LDL-C goal
  • History of statin intolerance
  • Lipid lowering therapy has been stable prior to enrolment for at least 4 weeks
  • Fasting triglycerides ≤ 400 mg/dL

Exclusion Criteria:

  • New York Heart Association (NYHA) III or IV heart failure
  • Uncontrolled cardiac arrhythmia
  • Uncontrolled hypertension
  • Type 1 diabetes
  • Poorly controlled type 2 diabetes
  • Uncontrolled hypothyroidism or hyperthyroidism

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: Parallele Zuordnung
  • Maskierung: Vervierfachen

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Sonstiges: Part A: Atorvastatin 20 mg => Placebo
Participants received atorvastatin 20 mg orally for 10 weeks (period 1) followed by placebo orally for 10 weeks (period 2), separated by a 2-week washout period.
Atorvastatin was supplied as over-encapsulated 20 mg tablets
Andere Namen:
  • Lipitor
Placebo matching to atorvastatin supplied as over-encapsulated tablets
Sonstiges: Part A: Placebo => Atorvastatin 20 mg
Participants received placebo orally for 10 weeks (period 1) followed by atorvastatin 20 mg orally for 10 weeks (period 2), separated by a 2-week washout period.
Atorvastatin was supplied as over-encapsulated 20 mg tablets
Andere Namen:
  • Lipitor
Placebo matching to atorvastatin supplied as over-encapsulated tablets
Aktiver Komparator: Part B: Ezetimibe
Participants received 10 mg ezetimibe orally only a day and placebo to evolocumab by subcutaneous injection once a month for 24 weeks.
Ezetimibe was supplied as 10 mg tablets, over-encapsulated for blinding.
Andere Namen:
  • Zetia
Placebo matching to evolocumab supplied as single-use prefilled autoinjector/pen(s)
Experimental: Part B: Evolocumab
Participants received 420 mg evolocumab by subcutaneous injection once a month and placebo to ezetimibe orally once a day for 24 weeks.
Placebo matching to Ezetimibe supplied as over-encapsulated tablets.
Evolocumab supplied as single-use prefilled autoinjector/pen(s)
Andere Namen:
  • Repatha
Experimental: Part C: Open-label Evolocumab
Participants who completed part B and were eligible to proceed to open-label extension part C and could choose quarterly between evolocumab 420 mg once a month or evolocumab 140 mg every 2 weeks for up to 2 years.
Evolocumab supplied as single-use prefilled autoinjector/pen(s)
Andere Namen:
  • Repatha

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Zeitfenster
Percent Change From Baseline in LDL-C at the Mean of Weeks 22 and 24
Zeitfenster: Baseline and weeks 22 and 24
Baseline and weeks 22 and 24
Percent Change From Baseline in LDL-C at Week 24
Zeitfenster: Baseline and week 24
Baseline and week 24

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Zeitfenster
Change From Baseline in LDL-C at the Mean of Weeks 22 and 24
Zeitfenster: Baselie and weeks 22 and 24
Baselie and weeks 22 and 24
Change From Baseline in LDL-C at Week 24
Zeitfenster: Baseline and week 24
Baseline and week 24
Percentage of Participants Who Achieved a Mean LDL-C at Weeks 22 and 24 of Less Than 70 mg/dL
Zeitfenster: Weeks 22 and 24
Weeks 22 and 24
Percentage of Participants Who Achieved LDL-C at Week 24 of Less Than 70 mg/dL
Zeitfenster: Week 24
Week 24
Percent Change From Baseline in Total Cholesterol at the Mean of Weeks 22 and 24
Zeitfenster: Baseline and weeks 22 and 24
Baseline and weeks 22 and 24
Percent Change From Baseline in Total Cholesterol at Week 24
Zeitfenster: Baseline and week 24
Baseline and week 24
Percent Change From Baseline in Non-high-density Lipoprotein Cholesterol (Non-HDL-C) at the Mean of Weeks 22 and 24
Zeitfenster: Baseline and weeks 22 and 24
Baseline and weeks 22 and 24
Percent Change From Baseline in Non-HDL-C at Week 24
Zeitfenster: Baseline and week 24
Baseline and week 24
Percent Change From Baseline in Apolipoprotein B at the Mean of Weeks 22 and 24
Zeitfenster: Baseline and weeks 22 and 24
Baseline and weeks 22 and 24
Percent Change From Baseline in Apolipoprotein B at Week 24
Zeitfenster: Baseline and week 24
Baseline and week 24
Percent Change From Baseline in Total Cholesterol/HDL-C Ratio at the Mean of Weeks 22 and 24
Zeitfenster: Baseline and weeks 22 and 24
Baseline and weeks 22 and 24
Percent Change From Baseline in Total Cholesterol/HDL-C Ratio at Week 24
Zeitfenster: Baseline and week 24
Baseline and week 24
Percent Change From Baseline in Apolipoprotein B/Apolipoprotein A1 Ratio at the Mean of Weeks 22 and 24
Zeitfenster: Baseline and Weeks 22 and 24
Baseline and Weeks 22 and 24
Percent Change From Baseline in Apolipoprotein B/Apolipoprotein A1 Ratio at Week 24
Zeitfenster: Baseline and week 24
Baseline and week 24
Percent Change From Baseline in Lipoprotein(a) at the Mean of Weeks 22 and 24
Zeitfenster: Baseline and Weeks 22 and 24
Baseline and Weeks 22 and 24
Percent Change From Baseline in Lipoprotein(a) at Week 24
Zeitfenster: Baseline and week 24
Baseline and week 24
Percent Change From Baseline in Triglycerides at the Mean of Weeks 22 and 24
Zeitfenster: Baseline and weeks 22 and 24
Baseline and weeks 22 and 24
Percent Change From Baseline in Triglycerides at Week 24
Zeitfenster: Baseline and week 24
Baseline and week 24
Percent Change From Baseline in High-density Lipoprotein Cholesterol (HDL-C) at Week 24
Zeitfenster: Baseline and weeks 22 and 24
Baseline and weeks 22 and 24
Percent Change From Baseline in HDL-C at Week 24
Zeitfenster: Baseline and week 24
Baseline and week 24
Percent Change From Baseline in Very Low-density Lipoprotein Cholesterol (VLDL-C) at the Mean of Weeks 22 and 24
Zeitfenster: Baseline and weeks 22 and 24
Baseline and weeks 22 and 24
Percent Change From Baseline in VLDL-C at Week 24
Zeitfenster: Baseline and week 24
Baseline and week 24

Mitarbeiter und Ermittler

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

Sponsor

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.

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)

10. Dezember 2013

Primärer Abschluss (Tatsächlich)

10. November 2015

Studienabschluss (Tatsächlich)

21. November 2017

Studienanmeldedaten

Zuerst eingereicht

8. November 2013

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

8. November 2013

Zuerst gepostet (Schätzen)

14. November 2013

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

29. November 2018

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

1. November 2018

Zuletzt verifiziert

1. November 2018

Mehr Informationen

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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