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Study of VX-809 in Cystic Fibrosis Subjects With the ∆F508-CFTR Gene Mutation

1. august 2015 oppdatert av: Vertex Pharmaceuticals Incorporated

A Randomized, Double-Blind, Placebo-Controlled, Multiple Dose Study of VX-809 to Evaluate Safety, Pharmacokinetics, and Pharmacodynamics of VX-809 in Cystic Fibrosis Subjects Homozygous for the ∆F508-CFTR Gene Mutation

The primary objective of the study was to evaluate the safety and tolerability of VX-809 in participants with cystic fibrosis (CF) who are homozygous for the F508del mutation on the CF transmembrane conductance regulator (CFTR) gene.

Studieoversikt

Status

Fullført

Forhold

Intervensjon / Behandling

Detaljert beskrivelse

This was a Phase 2, randomized, double-blind, placebo-controlled, multiple-dose study of orally-administered VX-809 in participants with CF who are homozygous for the specific CFTR mutation known as ∆F508 or F508del. Enrollment was planned for 90 participants at approximately 20 centers. Participants were planned to be randomized in a 4:1 ratio to receive 1 of 4 doses of VX-809 or placebo once a day for 28 days in a parallel design. Participants were outpatients during the study, except for overnight stays on Day 1 and 28.

Studietype

Intervensjonell

Registrering (Faktiske)

93

Fase

  • Fase 2

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiesteder

  • Belgia
      • Brussels, Belgia
      • Leuven, Belgia
  • Canada
    • Ontario
      • Toronto, Ontario, Canada
  • Forente stater
    • Alabama
      • Birmingham, Alabama, Forente stater
    • California
      • Palo Alto, California, Forente stater
      • San Diego, California, Forente stater
    • Colorado
      • Aurora, Colorado, Forente stater
    • Georgia
      • Atlanta, Georgia, Forente stater
    • Illinois
      • Chicago, Illinois, Forente stater
    • Iowa
      • Iowa City, Iowa, Forente stater
    • Maryland
      • Baltimore, Maryland, Forente stater
    • Massachusetts
      • Boston, Massachusetts, Forente stater
    • Minnesota
      • Minneapolis, Minnesota, Forente stater
    • Missouri
      • St. Louis, Missouri, Forente stater
    • North Carolina
      • Chapel Hill, North Carolina, Forente stater
    • Ohio
      • Cincinnati, Ohio, Forente stater
      • Cleveland, Ohio, Forente stater
      • Columbus, Ohio, Forente stater
    • Pennsylvania
      • Philadelphia, Pennsylvania, Forente stater
      • Pittsburgh, Pennsylvania, Forente stater
    • Washington
      • Seattle, Washington, Forente stater
  • Nederland
      • Rotterdam, Nederland
      • Utrecht, Nederland
  • Tyskland
      • Cologne, Tyskland
      • Hannover, Tyskland

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

18 år og eldre (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

  • Confirmed diagnosis of CF with ∆F508-CFTR mutation in both alleles
  • Forced expiratory volume in 1 second (FEV1) greater than or equal to (>=) 40 percent (%) of predicted normal for age, gender, and height
  • Weight >=40 kilograms (kg) and body mass index greater than or equal to 18.5 kilogram per square meter (kg/m^2)
  • Screening laboratory values, tests, and physical examination within acceptable ranges
  • Negative pregnancy test (for women of child-bearing potential)
  • Able and willing to follow contraceptive requirements
  • Willing to remain on a stable medication regimen for the duration of study participation

Exclusion Criteria:

  • History of any illness, or any ongoing acute illness, that could impact the safety of the study participant or may confound results of study
  • Pulmonary exacerbation or changes in therapy for pulmonary disease within 14 days before receiving the first dose of study drug
  • Impaired hepatic or renal function
  • History of organ or hematological transplant

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Trippel

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Placebo komparator: Placebo
Placebo matched to VX-809 capsule orally once daily for 28 days.
Legemiddel: Placebo
Placebo matched to VX-809 capsules.
Eksperimentell: VX-809, 25 mg
VX-809, 25 milligram (mg) capsule orally once daily for 28 days.
Legemiddel: VX-809
Capsules
Eksperimentell: VX-809, 50 mg
VX-809, 50 mg capsule orally once daily for 28 days.
Legemiddel: VX-809
Capsules
Eksperimentell: VX-809, 100 mg
VX-809, 100 mg capsule orally once daily for 28 days.
Legemiddel: VX-809
Capsules
Eksperimentell: VX-809, 200 mg
VX-809, 200 mg capsule orally once daily for 28 days.
Legemiddel: VX-809
Capsules

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Safety and Tolerability Based on Adverse Events (AEs)
Tidsramme: Up to 14 days after last dose (last dose = Day 28)
AE: any untoward medical occurrence in a participant during the study; the event does not necessarily have a causal relationship with the treatment. This includes any newly occurring event or previous condition that has increased in severity or frequency after the informed consent form is signed. AE includes serious as well as Non-serious AEs. Serious adverse event (SAE) (subset of AE): medical event or condition, which falls into any of the following categories, regardless of its relationship to the study drug: death, life threatening adverse experience, in-patient hospitalization/prolongation of hospitalization, persistent/significant disability or incapacity, congenital anomaly/birth defect, important medical event. Number of participants with AEs and SAEs are reported. An AE that started at or after initial dosing of study drug, or increased in severity after initial dosing of study drug visit is considered treatment-emergent.
Up to 14 days after last dose (last dose = Day 28)

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Change From Baseline in Forced Expiratory Volume in 1 Second (FEV1) at Day 28
Tidsramme: Baseline, Day 28
FEV1 is the volume of air that can forcibly be blown out in one second, after full inspiration.
Baseline, Day 28
Change From Baseline in Percent Predicted FEV1 at Day 28
Tidsramme: Baseline, Day 28
FEV1 is the volume of air that can forcibly be blown out in one second, after full inspiration. Predicted FEV1 (for age, gender, and height) was calculated using the Knudson method.
Baseline, Day 28
Change From Baseline in Forced Vital Capacity (FVC) at Day 28
Tidsramme: Baseline, Day 28
FVC is the volume of air that can be forcibly exhaled from the lungs after taking the deepest breath possible.
Baseline, Day 28
Change From Baseline in Forced Expiratory Flow Over the Middle Half of the FVC (FEF25-75) at Day 28
Tidsramme: Baseline, Day 28
FEF25-75 is total volume of air exhaled from the lungs over the middle half of the FVC test, expressed as liters per second (L/sec).
Baseline, Day 28
Change From Baseline in Sweat Chloride at Day 28
Tidsramme: Baseline, Day 28
Sweat samples were collected using an approved Macroduct (Wescor) collection device. A volume of greater than or equal to (>=) 15 microliter was required for determination of sweat chloride.
Baseline, Day 28
Change From Baseline in Nasal Potential Difference (NPD) of Zero Chloride Plus Isoproterenol Response at Day 28
Tidsramme: Baseline, Day 28

Nasal potential difference (NPD) provides a direct and sensitive evaluation of sodium and chloride transport in secretory epithelial cells via assessment of transepithelial bioelectric properties. NPD under conditions of zero chloride concentration perfusion solution in the presence of isoproterenol is reported.

NPDs were performed according to Cystic Fibrosis Foundation Therapeutics Development Network (CFFT TDN) Standard Operating Procedure (SOP) 528.00 "Standardization of Measurement of Nasal Membrane Transepithelial Potential Difference (NPD) - electronic data capture (EDC) and Perfusion or Perfusion-Free Probe".
Baseline, Day 28
Change From Baseline in Cystic Fibrosis Questionnaire-Revised (CFQ-R) Domain Scores at Day 28
Tidsramme: Baseline, Day 28
The CFQ-R is a validated participant-reported outcome measuring health-related quality of life for participants with cystic fibrosis. CFQ-R domains include: Body, Digestion, Eat, Emotion, Health Perceptions, Physical, Respiratory, Role, Social, Treatment Burden, Vitality, and Weight. Individual domain score range: 0-100; higher scores indicating fewer symptoms and better health-related quality of life.
Baseline, Day 28
Maximum Plasma Concentration (Cmax) of VX-809
Tidsramme: Day 1 (pre dose, 0.75, 1.5, 3, 4, 6, 9, 12, and 24 hours post-dose), Day 28 (pre dose, 0.75, 1.5, 3, 4, 6, 9, 12, 24, and 30-60 hours post dose)
Only participants who received VX-809 were analyzed for this outcome measure.
Day 1 (pre dose, 0.75, 1.5, 3, 4, 6, 9, 12, and 24 hours post-dose), Day 28 (pre dose, 0.75, 1.5, 3, 4, 6, 9, 12, 24, and 30-60 hours post dose)
Area Under the Concentration Versus Time Curve From Time 0 to 24 Hours (AUC0-24) of VX-809
Tidsramme: Day 1 (pre dose, 0.75, 1.5, 3, 4, 6, 9, 12, and 24 hours post-dose), Day 28 (pre dose, 0.75, 1.5, 3, 4, 6, 9, 12, and 24 hours post dose)
Only participants who received VX-809 were analyzed for this outcome measure.
Day 1 (pre dose, 0.75, 1.5, 3, 4, 6, 9, 12, and 24 hours post-dose), Day 28 (pre dose, 0.75, 1.5, 3, 4, 6, 9, 12, and 24 hours post dose)

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Vertex Pharmaceuticals Incorporated

Publikasjoner og nyttige lenker

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Generelle publikasjoner

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart

1. mars 2009

Primær fullføring (Faktiske)

1. desember 2009

Studiet fullført (Faktiske)

1. desember 2009

Datoer for studieregistrering

Først innsendt

18. mars 2009

Først innsendt som oppfylte QC-kriteriene

18. mars 2009

Først lagt ut (Anslag)

19. mars 2009

Oppdateringer av studieposter

Sist oppdatering lagt ut (Anslag)

28. august 2015

Siste oppdatering sendt inn som oppfylte QC-kriteriene

1. august 2015

Sist bekreftet

1. juni 2015

Mer informasjon

Begreper knyttet til denne studien

Nøkkelord

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • VX08-809-101

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