Denne side blev automatisk oversat, og nøjagtigheden af ​​oversættelsen er ikke garanteret. Der henvises til engelsk version for en kildetekst.

Study of Biomarkers of Airway Inflammation (0000-128)

22. juli 2015 opdateret af: Merck Sharp & Dohme LLC

A Randomized Clinical Trial to Assess the Effects of Inhaled Fluticasone on Sputum Neutrophils After Low-dose Inhaled Endotoxin Challenge in Healthy Subjects

This study will evaluate the effects of inhaled fluticasone on cell counts and inflammatory mediators measured in sputum of healthy volunteers following exposure to inhaled lipopolysaccharide.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

22

Fase

  • Fase 1

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

18 år til 50 år (Voksen)

Tager imod sunde frivillige

Ja

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Female subjects who can have children must have a negative pregnancy test at screening and agree to use two methods of birth control throughout the study
  • Male subjects with female partner(s) who can have children agree to use an acceptable method of birth control throughout the study
  • Subject is a nonsmoker
  • Subject is in generally good health
  • Subject is willing to comply with the diet, alcohol, and caffeine study restrictions

Exclusion Criteria:

  • Subject is a nursing mother
  • Subject has taken oral corticosteroids within 8 weeks or inhaled/nasal corticosteroids within 4 weeks of screening
  • Subject has nasal polyps, recent nasal surgery, or an ongoing upper or lower respiratory tract infection
  • Subject has a recent history of allergic rhinitis at screening
  • Subject has any respiratory disease at screening
  • Subject has daily phlegm or a chronic cough
  • Subject is unable to refrain from the use of any prescription or non-prescription drugs or herbal remedies during the study
  • Subject consumes excessive amounts of alcohol or caffeine
  • Subject has had major surgery, or donated or lost 1 unit of blood within 4 weeks of screening
  • Subject has a history of stroke, seizures, or major neurological disorders
  • Subject regularly uses illicit drugs or has a history of drug/alcohol abuse
  • Subject received a vaccination within 3 weeks of screening

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Diagnostisk
  • Tildeling: Randomiseret
  • Interventionel model: Crossover opgave
  • Maskning: Dobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Placebo komparator: 1
Placebo
Medicin: Comparator: Placebo to fluticasone
Single dose of placebo to fluticasone (9 x 0 mcg) by metered dose inhaler in one of three treatment periods
Medicin: Comparator: Lipopolysaccharide (LPS)
20,000 EU LPS by inhalation 1 hour postdose of fluticasone or placebo in each of three treatment periods
Medicin: Comparator: albuterol
Albuterol two 100 mcg inhalations by metered dose inhaler prior to sputum induction at screening, twice during each of the three treatment periods, and at the post-study follow up visit.
Aktiv komparator: 2
Fluticasone 440 mcg
Medicin: Comparator: Lipopolysaccharide (LPS)
20,000 EU LPS by inhalation 1 hour postdose of fluticasone or placebo in each of three treatment periods
Medicin: Comparator: albuterol
Albuterol two 100 mcg inhalations by metered dose inhaler prior to sputum induction at screening, twice during each of the three treatment periods, and at the post-study follow up visit.
Medicin: fluticasone propionate
Single dose of fluticasone 440 mcg (2 x 220 mcg) or 1980 mcg (9 x 220 mcg) by metered dose inhaler in two of three treatment periods
Aktiv komparator: 3
Fluticasone 1980 mcg
Medicin: Comparator: Lipopolysaccharide (LPS)
20,000 EU LPS by inhalation 1 hour postdose of fluticasone or placebo in each of three treatment periods
Medicin: Comparator: albuterol
Albuterol two 100 mcg inhalations by metered dose inhaler prior to sputum induction at screening, twice during each of the three treatment periods, and at the post-study follow up visit.
Medicin: fluticasone propionate
Single dose of fluticasone 440 mcg (2 x 220 mcg) or 1980 mcg (9 x 220 mcg) by metered dose inhaler in two of three treatment periods

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Tidsramme
Sputum percent neutrophils
Tidsramme: 6 hours following inhaled LPS challenge
6 hours following inhaled LPS challenge

Sekundære resultatmål

Resultatmål
Tidsramme
Sputum absolute neutrophils (per mL)
Tidsramme: 6 hours following inhaled LPS challenge
6 hours following inhaled LPS challenge
Sputum levels of IL1beta and IL8
Tidsramme: 6 hours following inhaled LPS challenge
6 hours following inhaled LPS challenge
Sputum mRNA expression levels of CD14 and IL1beta
Tidsramme: 6 hours following inhaled LPS challenge
6 hours following inhaled LPS challenge

Samarbejdspartnere og efterforskere

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

Sponsor

Merck Sharp & Dohme LLC

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

1. marts 2009

Primær færdiggørelse (Faktiske)

1. september 2009

Studieafslutning (Faktiske)

1. september 2009

Datoer for studieregistrering

Først indsendt

25. marts 2009

Først indsendt, der opfyldte QC-kriterier

25. marts 2009

Først opslået (Skøn)

26. marts 2009

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

23. juli 2015

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

22. juli 2015

Sidst verificeret

1. juli 2015

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • 0000-128
  • 2009_565

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 Luftvejsbetændelse

Kliniske forsøg med Comparator: Placebo to fluticasone

Søg i lignende forsøg

Sponsorer og samarbejdspartnere

Medicinske tilstande

Narkotikainterventioner

CROs by country

CROs in El Salvador

Betingelser

Sjældne sygdomme

Narkotikainterventioner

Kosttilskud

Sponsor / samarbejdspartnere

Placeringer

Abonner