COPDSLPCOPDNCT04584801
SLP Model Development in the Diagnosis of COPD Patients
An observational study of COPD and Healthy Smoker, run by Pneumacare Ltd at 7 sites in United Kingdom.
Trial summary
This is an observational, comparative, multicentre study to develop a model for the Thora3Di™ against standard practice in patients who are undergoing investigation for COPD. The core methodology involves capturing of data during a short period of measurement of breathing using SLP against spirometric outcomes. Read more about this study
- Who is it for?
- Ages 18 years and olderHealthy volunteers can take part
- Conditions the study is for
- COPD, Healthy Smoker
- What is being tested?
- Structured Light Plethysmography
- Type of treatment
- Medical device
- How many people
- 201 participants
- Where
- 7 sitesUnited Kingdom
- Study dates
- 5 May 2021to 15 Jun 2023
- 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 18 years and older
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Study population: Development Phase (Original Part A) * Cohort A (N=50): COPD stage 1 * Cohort B (N=50): COPD stage 2 * Cohort C (N=50): COPD stage 3 * Cohort D (N=50): COPD stage 4 * Cohort E (N=50): Healthy Smokers (≥35 years old, current or ex-smoker with a history of ≥10 pack-years (20 cigarettes smoked per day for 1 year)
Who may be able to join
- Any adult (≥18 years old) who has been diagnosed with COPD guide GOLD criteria (FEV1/FVC ratio post bronchodilator <0.70)
- Healthy Smokers (≥35 years old, current or ex-smoker with a history of ≥10 pack years (20 cigarettes smoked per day for 10 year))
Who cannot join
- Be unable to sit in an upright position for required period
- Have had deteriorated COPD symptoms since the last spirometry unless willing to undergo spirometry testing
- Have significant co-morbidities (i.e. Chest work or spinal deformity, OSA, AHI >30 secs
- Any other significant disease or disorder which, in the opinion of the investigator, may either put the participants at risk because of participation in the study, or may influence the result of the study, or the participants' ability to participate in the study
- Height > 194 cm
- BMI >40
- Female participant who is pregnant, lactating or planning pregnancy during the course of the study
- Be unable to consent or comply with the study protocol
Trial locations and contacts
7 sites in 1 country.
7 sites in 1 country
United Kingdom7 sites
Buckinghamshire Healthcare NHS Trust - Stoke Mandeville Hospital
Aylesbury
University Hospitals Birmingham NHS Foundation Trust
Birmingham
Medway Community Healthcare
Gillingham
Liverpool Heart and Chest Hospital
Liverpool
Liverpool University Hospitals NHS Foundation Trust
Liverpool
Barts Health NHS Trust - the Royal London Hospital
London
Oxford University Hospitals NHS Foundation Trust
Oxford
About this study
Official title: A Comparative, Multi Centre Study, to Develop a Model for Structured Light Plethysmography Against Standard of Care in the Diagnosis of Chronic Obstructive Pulmonary Disease for Patients Who Plan to Undergo Spirometry Testing
This is an observational, comparative, multicentre study to develop a model for the Thora3Di™ against standard practice in patients who are undergoing investigation for COPD. The core methodology involves capturing of data during a short period of measurement of breathing using SLP against spirometric outcomes.
Read the detailed description
This study will generate data to characterise the tidal breathing patterns and parameters with Thora-3Di™ against spirometry FEV1/FVC and %predicted. Subjects will have a Part A visit (Development Phase) to develop algorithms for COPD diagnosis. At Part A visit, subjects will have two 5-minute SLP measurements (Pre and Post bronchodilator). The SLP measurement should be performed prior to standard lung function tests with minimal impact on clinical time and no change to hospital attendance. Also, subjects will be asked to report concomitant medications and adverse events and fill in COPD assessment test (CAT™).
- Conditions
- COPD, Healthy Smoker
- Being tested
- Structured Light Plethysmography
- Medical subject headings
- Pulmonary Disease, Chronic Obstructive
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Structured Light PlethysmographyDevice
Also called Thora-3Di™
Development Phase (Original Part A): Participants will have two 5-minute SLP measurements (Pre and Post bronchodilator).
Participants will also undergo standard of care spirometry assessment
| Study group | Role | What they receive |
|---|---|---|
| COPD Patients | Development Phase Any adult (≥18 years old) who has been diagnosed with COPD guide GOLD criteria (FEV1/FVC ratio post bronchodilator <0.70)
* Cohort A (N=50): COPD stage 1
* Cohort B (N=50): COPD stage 2
* Cohort C (N=50): COPD stage 3
* Cohort D (N=50): COPD stage 4 Receives: Device: Structured Light Plethysmography | |
| Healthy Smoker Subjects | • Cohort E (N=50): Healthy Smokers (≥35 years old, current or ex-smoker with a history of ≥10 pack-years (20 cigarettes smoked per day for 1 year) Receives: Device: Structured Light Plethysmography |
What is being measured
The primary outcome is the main question the study is designed to answer.
To develop a machine learning model to use SLP data in patients diagnosed with COPD or healthy smokers to predict historical spirometry results (within 6 months) or prospective spirometry results, and classify subjects according to COPD/non-COPD.
The proportion of points falling between the upper and lower 95% CIs of the Bland-Altman plot of the average of FEV1/FVC spirometer values and the output from the model using the SLP parameters against the difference between the spirometer values and their SLP parameter model counterparts.
Measured: 2 years
Secondary outcomes (1)
To evaluate the safety of the Thora-3Di™
Incidence of adverse events while the SLP techniques are carried out.
Measured: 2 years
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted14 Oct 2020
- Study start5 May 2021
- Primary completion15 Jun 2023
- Study completion15 Jun 2023
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for COPDStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
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
- Cohort
- Time perspective
- Prospective
- Enrolment
- 201 participants (actual)
Sponsor and investigators
- Lead sponsor
- Pneumacare Ltd
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Mona Bafadhel, PhD, Study chair, King's College LondonDennis Wat, MD, Principal investigator, Liverpool Heart and Chest Hospital NHS TrustBrendan Cooper, PhD, Principal investigator, University Hospital Birmingham NHS Foundation TrustPaul Walker, MD, Principal investigator, Liverpool University Hospital NHS Foundation TrustRicha Singh, MD, Principal investigator, London Barts Health NHS Foundation TrustMitra Shahidi, MD, Principal investigator, Buckinghamshire Healthcare NHS TrustSanjay Ramakrishnan, MD, Principal investigator, Oxford University Hospitals NHS TrustSuraj Rajput, MSc, Principal investigator, Medway Community Healthcare
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04584801
- Sponsor's protocol ID
- PMC-SLPCOPD-2020
- Acronym
- SLPCOPD
- Status last verified
- Jan 2024
- First submitted
- 6 Oct 2020
- Last updated
- 19 Sep 2024
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No: Via UK NIHR website
Study at a glance
From the registry record, last updated by the sponsor on 19 Sep 2024. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Comparative, Multi Centre Study, to Develop a Model for Structured Light Plethysmography Against Standard of Care in the Diagnosis of Chronic Obstructive Pulmonary Disease for Patients Who Plan to Undergo Spirometry Testing
- ClinicalTrials.gov ID
- NCT04584801
- Acronym / sponsor ID
- SLPCOPD / PMC-SLPCOPD-2020
- Conditions
- COPD, Healthy Smoker
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 201 participants (actual)
- Lead sponsor
- Pneumacare LtdIndustry (pharma, biotech, devices)
- Study start
- 5 May 2021 (actual)
- Primary completion
- 15 Jun 2023 (actual)
- Study completion
- 15 Jun 2023 (actual)
- First posted
- 14 Oct 2020 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This is an observational, comparative, multicentre study to develop a model for the Thora3Di™ against standard practice in patients who are undergoing investigation for COPD. The core methodology involves capturing of data during a short period of measurement of breathing using SLP against spirometric outcomes.
Detailed description
This study will generate data to characterise the tidal breathing patterns and parameters with Thora-3Di™ against spirometry FEV1/FVC and %predicted. Subjects will have a Part A visit (Development Phase) to develop algorithms for COPD diagnosis. At Part A visit, subjects will have two 5-minute SLP measurements (Pre and Post bronchodilator). The SLP measurement should be performed prior to standard lung function tests with minimal impact on clinical time and no change to hospital attendance. Also, subjects will be asked to report concomitant medications and adverse events and fill in COPD assessment test (CAT™).
Study design
- Observational model
- Cohort
- Time perspective
- Prospective
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| COPD Patients | – | Device: Structured Light PlethysmographyDevelopment Phase Any adult (≥18 years old) who has been diagnosed with COPD guide GOLD criteria (FEV1/FVC ratio post bronchodilator <0.70) * Cohort A (N=50): COPD stage 1 * Cohort B (N=50): COPD stage 2 * Cohort C (N=50): COPD stage 3 * Cohort D (N=50): COPD stage 4 |
| Healthy Smoker Subjects | – | Device: Structured Light Plethysmography• Cohort E (N=50): Healthy Smokers (≥35 years old, current or ex-smoker with a history of ≥10 pack-years (20 cigarettes smoked per day for 1 year) |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
- Study population
- Development Phase (Original Part A) * Cohort A (N=50): COPD stage 1 * Cohort B (N=50): COPD stage 2 * Cohort C (N=50): COPD stage 3 * Cohort D (N=50): COPD stage 4 * Cohort E (N=50): Healthy Smokers (≥35 years old, current or ex-smoker with a history of ≥10 pack-years (20 cigarettes smoked per day for 1 year)
Key inclusion criteria (2 listed)
- Any adult (≥18 years old) who has been diagnosed with COPD guide GOLD criteria (FEV1/FVC ratio post bronchodilator <0.70)
- Healthy Smokers (≥35 years old, current or ex-smoker with a history of ≥10 pack years (20 cigarettes smoked per day for 10 year))
Key exclusion criteria (8 listed)
- Be unable to sit in an upright position for required period
- Have had deteriorated COPD symptoms since the last spirometry unless willing to undergo spirometry testing
- Have significant co-morbidities (i.e. Chest work or spinal deformity, OSA, AHI >30 secs
- Any other significant disease or disorder which, in the opinion of the investigator, may either put the participants at risk because of participation in the study, or may influence the result of the study, or the participants' ability to participate in the study
- Height > 194 cm
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Structured Light PlethysmographyAlso: Thora-3Di™Development Phase (Original Part A): Participants will have two 5-minute SLP measurements (Pre and Post bronchodilator). Participants will also undergo standard of care spirometry assessment | Device | COPD Patients, Healthy Smoker Subjects |
Primary outcome
To develop a machine learning model to use SLP data in patients diagnosed with COPD or healthy smokers to predict historical spirometry results (within 6 months) or prospective spirometry results, and classify subjects according to COPD/non-COPD.
Time frame: 2 years
The proportion of points falling between the upper and lower 95% CIs of the Bland-Altman plot of the average of FEV1/FVC spirometer values and the output from the model using the SLP parameters against the difference between the spirometer values and their SLP parameter model counterparts.
1 secondary outcome
To evaluate the safety of the Thora-3Di™
Time frame: 2 years
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 19 Sep 2024.
- Individual participant dataSharing planned: No. Via UK NIHR website
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Mona Bafadhel, PhD study chair
King's College London
Dennis Wat, MD principal investigator
Liverpool Heart and Chest Hospital NHS Trust
Brendan Cooper, PhD principal investigator
University Hospital Birmingham NHS Foundation Trust
7 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of COPD and Healthy Smoker, run by Pneumacare Ltd at 7 sites 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 8 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 19 Sep 2024. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 7 sites 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?
To develop a machine learning model to use SLP data in patients diagnosed with COPD or healthy smokers to predict historical spirometry results (within 6 months) or prospective spirometry results, and classify subjects according to COPD/non-COPD. (time frame: 2 years). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
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 19 Sep 2024.