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The BLF Early COPD Development Partnership Grant

25. august 2021 opdateret af: Imperial College London

Most existing medical research has focused on patients with well-established COPD and poor lung function. Whilst this is important because such patients have lots of symptoms and problems, in some respects a better way of reducing health problems in the future would be to develop a strategy which focuses on patients with milder disease, and identifies which ones will go on to develop more severe problems and why these problems occur. The research in this application is designed to investigate these issues.

The main objective of the Partnership is to study the very early stages of the development of COPD. The investigators will do this by recruiting a novel cohort of smokers (age 30-45), in whom the investigators will follow the trajectories of lung function decline to identify prospectively those at risk of excess decline. This programme forms a unique UK consortium of 8 academic centres with excellent high quality publication records and broad experience in mechanistic, translational, clinical and epidemiological studies in COPD with key capabilities including primary care.

Studieoversigt

Status

Aktiv, ikke rekrutterende

Betingelser

Undersøgelsestype

Observationel

Tilmelding (Forventet)

1000

Kontakter og lokationer

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

Studiesteder

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

30 år til 45 år (Voksen)

Tager imod sunde frivillige

N/A

Køn, der er berettiget til at studere

Alle

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

You can take part in the study if you are 30-45 years of age and you are a current smoker (smokers of at least 10 pack years).

Beskrivelse

Inclusion Criteria:

Subjects eligible for enrolment in the study must meet all the following criteria:

  • Informed Consent: Subjects must give their signed and dated written informed consent to participate
  • Gender: Male or female subjects
  • Age: 30-45 years of age at screening
  • Smokers of at least 10 pack years
  • Have either normal lung function or mild lung function abnormalities
  • Subject groups will have one of the following:

    • A. Subjects (smokers) with mild airflow limitation defined as an FEV1/FVC ratio <lower limit of normal and FEV1 > 80% of predicted normal and no symptoms. This group will make up at least 30% of the total cohort.
    • B. Subjects (smokers) with mild airflow limitation as defined above and presence of respiratory symptoms defined as presence of chronic cough and/or chronic sputum and/or breathlessness equivalent to mMRC Grade 1 or higher. This group will make up no more than 25% of the total cohort.
    • C. Subjects (smokers) with normal lung function defined as FEV1/FVC > lower limit of normal and FEV1 > 80% of predicted normal, with or without symptoms. This group will make up at least 30% of the total cohort.

Exclusion Criteria:

  • Individuals currently diagnosed and treated for asthma will be excluded from the study, but individuals with a past history of childhood wheezing and of asthma may be included provided that they did not previously receive regular maintenance inhaled therapy with inhaled corticosteroids'
  • Subjects with another known chronic respiratory disease - other than mild airflow limitation as defined above, predominantly cannabis or shisha smokers
  • Subjects with autoimmune disease, diabetes, hypertension, thyroid disease or bronchiectasis, significant cardio-renal disease (including significant hypertension, atrial fibrillation, Hypertrophic Cardiomyopathy, significant cardiovascular disease), Malignancies.
  • Clinically relevant abnormal laboratory values available at the screening assessment that could interfere with the objectives of the study or safety of the volunteer.
  • Subjects who are actively enrolled in an interventional clinical trial
  • Subjects with BMI >35
  • Female participants who are pregnant or breastfeeding.

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Annual change in lung function
Tidsramme: Three years
assessed by post-bronchodilator at 6 monthly intervals over a 3 year period.
Three years
Annual change in lung function
Tidsramme: Three years
assessed by body box plethysmography at 6 monthly intervals over a 3 year period.
Three years

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Lung tissue attenuation and airway dimensions
Tidsramme: Three years
determined by CT-Scanning
Three years
Lung tissue attenuation and airway dimensions
Tidsramme: Three years
Assessed by full blood and differential counts
Three years
Lung tissue attenuation and airway dimensions
Tidsramme: Three years
Assessed by prevalence of chronic bronchitis as determined by MRC Bronchitis Questionnaire
Three years
Lung tissue attenuation and airway dimensions
Tidsramme: Three years
Assessed by respiratory symptoms, as determined by CAT Questionnaire
Three years
Lung tissue attenuation and airway dimensions
Tidsramme: Three years
Assessed by dyspnoea as determined by MRC Dyspnoa Scale
Three years
Lung tissue attenuation and airway dimensions
Tidsramme: Three years
Assessed by respiratory infections as determined by Respiratory Infection Questionnaire
Three years
Lung tissue attenuation and airway dimensions
Tidsramme: Three years
Assessed by depression and anxiety as determined by Hospital Anxiety Depression Scale
Three years

Samarbejdspartnere og efterforskere

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

Sponsor

Samarbejdspartnere

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)

17. januar 2018

Primær færdiggørelse (Forventet)

30. april 2023

Studieafslutning (Forventet)

30. april 2023

Datoer for studieregistrering

Først indsendt

7. marts 2018

Først indsendt, der opfyldte QC-kriterier

20. marts 2018

Først opslået (Faktiske)

29. marts 2018

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

26. august 2021

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

25. august 2021

Sidst verificeret

1. august 2021

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • IRAS Project ID: 206796

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

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