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IPFIPFJESNCT03211507

Idiopathic Pulmonary Fibrosis Job Exposures Study

An observational study of IPF and Idiopathic Pulmonary Fibrosis, run by Imperial College London at 1 site in United Kingdom.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

A case-control study to investigate whether job exposures are an under-recognized cause of idiopathic pulmonary fibrosis (IPF) using an interview to collect information about previous jobs and a blood test to investigate genetic susceptibility. Read more about this study

Who is it for?
Any age, men only
Conditions the study is for
IPF, Idiopathic Pulmonary Fibrosis
What is being tested?
Computer-assisted telephone interview and Genetic analysis
How many people
960 participants
Where
1 siteUnited Kingdom
Study dates
1 May 2017to 5 Oct 2019
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages Any age
  • Men only
  • No healthy volunteers
  • Child, Adult, Older adult

Study population: Hospital based

Who may be able to join

  • New diagnosis of IPF between February 2017 and October 2019
  • New outpatient department attendee between February 2017 and October 2019

Who cannot join

  • Unable to give informed consent
  • Ever worked outside of the UK
  • For controls
  • Unable to give informed consent
  • Ever worked outside of the UK (does not include work outside the UK by members of the armed forces or merchant navy)
  • Diagnosis of IPF

Trial locations and contacts

1 site in 1 country.

United Kingdom1 site
  • Imperial Healthcare NHS Trust

    London

Other trials in United Kingdom

About this study

A case-control study to investigate whether job exposures are an under-recognized cause of idiopathic pulmonary fibrosis (IPF) using an interview to collect information about previous jobs and a blood test to investigate genetic susceptibility.

Read the detailed description

Idiopathic pulmonary fibrosis (IPF) is a scarring lung disease. It damages the air sacs that allow oxygen to be transferred into the blood and transported to vital organs. These changes make people with IPF cough and feel short of breath. It not known what causes the damage. People who get IPF are usually older than 40; it's a very serious illness that cannot be cured and gets worse over time. Statistics show that IPF is becoming more common in the UK but it's not known why. It can be difficult for doctors to tell if someone has IPF or another disease called asbestosis.

Being tested
Computer-assisted telephone interview, Genetic analysis
Keywords
Idiopathic Pulmonary Fibrosis
Medical subject headings
Idiopathic Pulmonary Fibrosis

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Computer-assisted telephone interviewOther

    Occupational history

  • Genetic analysisGenetic

    To include analysis of known susceptibility markers

Study groups in NCT03211507
Study groupRoleWhat they receive
CaseMales with an incident diagnosis of IPF made between the 1st of February 2017 and the 5th of October 2019.
Receives: Other: Computer-assisted telephone interview; Genetic: Genetic analysis
ControlsMales with an incident hospital outpatient attendance between the 1st of February 2017 and the 5th of October 2019 who do not have a diagnosis of IPF. At each participating centre a control clinic is randomly selected from all control clinics that the research team is able to recruit from; this clinic is the source clinic for controls for the duration of the study.
Receives: Other: Computer-assisted telephone interview; Genetic: Genetic analysis

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Association between asbestos exposure and IPF

    estimated using logistic regression for any vs no asbestos exposure and adjusting for age and smoking status

    Measured: 2 years

Secondary outcomes (2)
  1. Dose-response relationship between asbestos exposure and IPF

    estimated using logistic regression for categories of cumulative exposure and adjusting for age and smoking status

    Measured: 2 years

  2. Gene-environment interaction (for MUC5B rs35705950 and asbestos exposure) odds ratio.

    MUC5B rs35705950 and asbestos exposure odds ratio.

    Measured: 2 years

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted7 Jul 2017
  2. Study start1 May 2017
  3. Primary completion5 Oct 2019
  4. Study completion5 Oct 2019

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Case-control
Time perspective
Prospective
Enrolment
960 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03211507
Sponsor's protocol ID
16SM3627
Acronym
IPFJES
Status last verified
Dec 2019
First submitted
2 May 2017
Last updated
12 Dec 2019
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Reynolds CJ, Sisodia R, Barber C, Moffatt M, Minelli C, De Matteis S, Cherrie JW, Newman Taylor A, Cullinan P. What role for asbestos in idiopathic pulmonary fibrosis? Findings from the IPF job exposures case-control study. Occup Environ Med. 2023 Feb;80(2):97-103. doi: 10.1136/oemed-2022-108404. Epub 2023 Jan 12.

    PubMed 36635100

Questions about this trial

What is this clinical trial studying?

An observational study of IPF and Idiopathic Pulmonary Fibrosis, run by Imperial College London at 1 site in United Kingdom.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 12 Dec 2019. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United Kingdom. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Association between asbestos exposure and IPF (time frame: 2 years). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03211507, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 12 Dec 2019.

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