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Scientists seek 10 years of patient records to unlock asthma secrets

NCT ID NCT03152669

Knowledge-focused Sponsor: GlaxoSmithKline Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jul 08, 2026 · Updated 3 times

Summary

This study aims to collect up to 10 years of electronic medical records and a one-time questionnaire from over 1,100 asthma and COPD patients who previously took part in the Salford Lung Study. The goal is to better understand how these lung diseases progress and how treatments work over the long term. No new drugs or treatments are being tested—this is purely about gathering data to improve scientific knowledge.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could provide a rich dataset to improve understanding of asthma and COPD, potentially guiding better treatments and care.
What could go wrong
This is an observational data collection study, not a treatment trial. It was terminated early, so the full dataset may not be available, limiting conclusions.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

1,183 people

The number who actually took part.

Started

Apr 2018

Finished

Jul 2025

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Subjects who were randomised for treatment in the original SLS studies

Ages

18 years and older

Sex

Anyone

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Subjects who were randomized to treatment in the original SLS studies * Subjects who are able to, and choose to, provide written consent for the additional information to be collected. Exclusion Criteria: * Subjects who were lost to follow-up/moved away, withdrew consent or died during or subsequent to the original SLS studies. * Subjects considered (at the discretion of the investigator) as too ill to participate or without the mental capacity to provide informed consent.

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Conditions

The condition(s) this trial relates to.

asthma chronic obstructive pulmonary disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Asthma

Contacts and locations

Locations

  • GSK Investigational Site

    Manchester, M274AF, United Kingdom

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