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Safety and Efficacy of Ledipasvir/Sofosbuvir Fixed-Dose Combination in Adults With Chronic HCV and HBV Coinfection

18. februar 2020 opdateret af: Gilead Sciences

A Phase 3b Open-Label Study of Ledipasvir/Sofosbuvir Fixed-Dose Combination for 12 Weeks in Subjects With Chronic Genotype 1 or 2 Hepatitis C Virus (HCV) and Hepatitis B Virus (HBV) Coinfection

The primary objectives of this study are to determine the antiviral efficacy, safety, and tolerability of ledipasvir/sofosbuvir (LDV/SOF) fixed-dose combination (FDC) in adults with chronic genotype 1 or 2 HCV infection who are coinfected with HBV in Taiwan.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

111

Fase

  • Fase 3

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Taiwan
      • Changhua, Taiwan
      • Chiayi City, Taiwan
      • Kaohsiung, Taiwan
      • Kaohsiung City, Taiwan
      • Keelung, Taiwan
      • Taichung, Taiwan
      • Tainan, Taiwan
      • Tainan City, Taiwan
      • Taipei, Taiwan
      • Taipei City, Taiwan
      • Taoyuan, Taiwan

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

20 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Key Inclusion Criteria:

  • Individuals ≥ 40 kg in weight with chronic genotype 1 or 2 HCV and HBV coinfection
  • Individuals must not be taking or requiring treatment with HBV antiviral therapy at screening. For participants that are HBV treatment experienced, the most recent treatment must have been completed at least 6 months prior to Day 1.
  • Cirrhosis determination by Fibroscan
  • Screening laboratory values within defined thresholds
  • Use of two effective contraception methods if female or male is of childbearing potential

Key Exclusion Criteria:

  • Current or prior history of clinically-significant illness or any other major medical disorder that may interfere with individual's treatment, assessment or compliance with the protocol
  • Pregnant or nursing female
  • Infection with human immunodeficiency virus (HIV) or hepatitis delta virus (HDV)
  • Hepatocellular carcinoma (HCC) or other malignancy
  • Current or prior history of clinical hepatic decompensation

Note: Other protocol defined Inclusion/Exclusion criteria may apply.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: LDV/SOF
LDV/SOF FDC for 12 weeks
Medicin: LDV/SOF
90/400 mg FDC tablet indgivet oralt én gang dagligt
Andre navne:
  • Harvoni®
  • GS-5885/GS-7977

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Percentage of Participants With Sustained Virologic Response (SVR) 12 Weeks After Discontinuation of Therapy (SVR12)
Tidsramme: Posttreatment Week 12
SVR12 was defined as HCV RNA < the lower limit of quantification (LLOQ; 15 IU/mL) at 12 weeks after stopping study treatment.
Posttreatment Week 12
Percentage of Participants With Any Adverse Event Leading to Permanent Discontinuation of Study Drug
Tidsramme: First dose date up to 12 weeks
First dose date up to 12 weeks

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Percentage of Participants With SVR at 4 Weeks After Discontinuation of Therapy (SVR4)
Tidsramme: Posttreatment Week 4
SVR4 was defined as HCV RNA < LLOQ (15 IU/mL) at 4 weeks after stopping study treatment.
Posttreatment Week 4
Percentage of Participants With HCV RNA < LLOQ While on Treatment
Tidsramme: Weeks 1, 2, 4, 8, and 12
LLOQ = 15 IU/mL
Weeks 1, 2, 4, 8, and 12
Percentage of Participants With HCV RNA < LLOQ at Posttreatment Weeks 24, 36, 48, 60, 72, 84, 96, and 108
Tidsramme: Posttreatment Weeks 24, 36, 48, 60, 72, 84, 96, and 108
LLOQ = 15 IU/mL
Posttreatment Weeks 24, 36, 48, 60, 72, 84, 96, and 108
HCV RNA Change From Baseline While on Treatment
Tidsramme: Weeks 1, 2, 4, 8, and 12
Weeks 1, 2, 4, 8, and 12
Percentage of Participants With Virologic Failure
Tidsramme: First dose date up to Posttreatment Week 12

Virologic failure was defined as :

  • Breakthrough (confirmed HCV RNA ≥ LLOQ [15 IU/mL] after having previously had HCV RNA < LLOQ while on treatment), or
  • Rebound (confirmed > 1 log10 IU/mL increase in HCV RNA from nadir while on treatment), or
  • Non-response (HCV RNA persistently ≥ LLOQ through 8 weeks of treatment), or
  • Relapse (HCV RNA ≥ LLOQ during the post-treatment period having achieved HCV RNA < LLOQ at end of treatment, confirmed with 2 consecutive values or last available post-treatment measurement)
First dose date up to Posttreatment Week 12
Plasma HBV DNA Change From Baseline While on Treatment
Tidsramme: Weeks 1, 2, 4, 8, and 12
Weeks 1, 2, 4, 8, and 12
Plasma HBV DNA Change From Baseline at Posttreatment Weeks 4, 12, 24, 36, 48, 60, 72, 84, 96, and 108
Tidsramme: Posttreatment Weeks 4, 12, 24, 36, 48, 60, 72, 84, 96, and 108
Posttreatment Weeks 4, 12, 24, 36, 48, 60, 72, 84, 96, and 108
HBsAg Level Change From Baseline While on Treatment
Tidsramme: Weeks 1, 2, 4, 8, and 12
Weeks 1, 2, 4, 8, and 12
HBsAg Level Change From Baseline at Posttreatment Weeks 4, 12, 24, 36, 48, 60, 72, 84, 96, and 108
Tidsramme: Posttreatment Weeks 4, 12, 24, 36, 48, 60, 72, 84, 96, and 108
Posttreatment Weeks 4, 12, 24, 36, 48, 60, 72, 84, 96, and 108
Serum LOXL-2 Level Change From Baseline While on Treatment
Tidsramme: Weeks 1, 2, 4, 8, and 12
Weeks 1, 2, 4, 8, and 12
Serum LOXL-2 Level Change From Baseline at Posttreatment Weeks 4, 12, and 36
Tidsramme: Posttreatment Weeks 4, 12, and 36
Posttreatment Weeks 4, 12, and 36
Percentage of Participants That Required HBV Therapy During the Study
Tidsramme: First dose date up to Posttreatment Week 108
First dose date up to Posttreatment Week 108
Fibrosis Status as Assessed by Fibroscan Score at Posttreatment Weeks 12, 60, and 108
Tidsramme: Posttreatment Weeks 12, 60, and 108

FibroScan is a non-invasive device that assesses the hardness (or stiffness) of the liver using the technique of transient elastography. FibroScan results range from 2.5 kPa to 75 kPa with higher scores indicating greater liver stiffness. Per protocol, cirrhosis status was determined as follows:

  • Presence of cirrhosis = FibroScan result of > 12.5 kPa
  • Absence of cirrhosis = FibroScan result of ≤ 12.5 kPa
Posttreatment Weeks 12, 60, and 108
Percentage of Participants That Develop Hepatocellular Carcinoma (HCC) During the Study
Tidsramme: First dose date up to Posttreatment Week 108
First dose date up to Posttreatment Week 108

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Gilead Sciences

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Generelle publikationer

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

22. december 2015

Primær færdiggørelse (Faktiske)

4. januar 2017

Studieafslutning (Faktiske)

7. november 2018

Datoer for studieregistrering

Først indsendt

23. november 2015

Først indsendt, der opfyldte QC-kriterier

23. november 2015

Først opslået (Skøn)

25. november 2015

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

6. marts 2020

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

18. februar 2020

Sidst verificeret

1. november 2019

Mere information

Begreber relateret til denne undersøgelse

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • GS-US-337-1655

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

Ja

IPD-planbeskrivelse

Qualified external researchers may request IPD for this study after study completion. For more information, please visit our website at https://www.gilead.com/science-and-medicine/research/clinical-trials-transparency-and-data-sharing-policy.

IPD-delingstidsramme

18 months after study completion

IPD-delingsadgangskriterier

A secured external environment with username, password, and RSA code.

IPD-deling Understøttende informationstype

  • Studieprotokol
  • Statistisk analyseplan (SAP)

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ja

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

produkt fremstillet i og eksporteret fra U.S.A.

Ja

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

Kliniske forsøg med Hepatitis C virusinfektion

Kliniske forsøg med LDV/SOF

Søg i lignende forsøg

Sponsorer og samarbejdspartnere

Medicinske tilstande

Narkotikainterventioner

CROs by country

CROs in Sweden

Betingelser

Sjældne sygdomme

Narkotikainterventioner

Kosttilskud

Sponsor / samarbejdspartnere

Placeringer

3
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