Is a four minute wait required between transfer test measurements?

ISRCTN ISRCTN37360213
DOI https://doi.org/10.1186/ISRCTN37360213
Secondary identifying numbers N0226184632
Submission date
28/09/2007
Registration date
28/09/2007
Last edited
09/08/2021
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Respiratory
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Record updated in last year

Plain English summary of protocol

Not provided at time of registration

Contact information

Mr Nigel Clayton
Scientific

University Hospital of South Manchester NHS Foundation Trust
Wythenshawe Hospital
Southmoor Road
Manchester
M23 9LT
United Kingdom

Phone +44 0161 291 2406
Email nigel.clayton@uhsm.nhs.uk

Study information

Study designRandomised controlled trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Hospital
Study typeTreatment
Participant information sheet Not available in web format, please use the contact details below to request a patient information sheet
Scientific titleIs a four minute wait required between transfer test measurements?
Study objectives1. Is a four minute wait required between transfer test measurements?
2. Does airflow obstruction influence the results?
Ethics approval(s)Not provided at time of registration
Health condition(s) or problem(s) studiedRespiratory: Function tests
InterventionProspective review of pulmonary function tests for patients referred to the pulmonary function laboratory. Participants will be randomised into the order of performing the test. This will either be a one minute wait followed by a four minute wait, or a four minute wait followed by a one minute wait.
Intervention typeOther
Primary outcome measureWhether the timing of subsequent TLco measurements influences the transfer factor measurement.
Secondary outcome measuresWhether the timing of subsequent TLco measurements influences the alveolar volume measurement.
Overall study start date01/09/2006
Completion date01/05/2007

Eligibility

Participant type(s)Healthy volunteer
Age groupAdult
Lower age limit18 Years
SexNot Specified
Target number of participants25
Key inclusion criteria25 subjects from each of the following diagnostic groups:
a. Healthy volunteers (no lung disease)
b. Asthmatics (variable obstructive lung disease)
c. COPD (obstructive lung disease)
d. Fibrosis (restrictive lung disease)

Inclusion criteria:
1. Over 18 years of age
2. Subject must be able to understand and perform lung function test to national guidelines
3. Non or ex-smokers (>6 months)
4. Physician diagnosis of asthma, COPD or lung fibrosis
Key exclusion criteria1. Haemoptysis of unknown origin
2. Pneumothorax
3. Unstable cardiovascular status (recent MI or PE)
4. Thoracic, abdominal or cerebral aneurysms
5. Recent eye surgery
6. Nausea and vomiting
7. Recent thoracic or abdominal surgical procedures
8. Involved in other studies with licensed drugs or methodology studies within last weeks
Date of first enrolment01/09/2006
Date of final enrolment01/05/2007

Locations

Countries of recruitment

  • England
  • United Kingdom

Study participating centre

University Hospital of South Manchester NHS Foundation Trust
Manchester
M23 9LT
United Kingdom

Sponsor information

Record Provided by the NHSTCT Register - 2007 Update - Department of Health
Government

The Department of Health, Richmond House, 79 Whitehall
London
SW1A 2NL
United Kingdom

Phone +44 (0)20 7307 2622
Email dhmail@doh.gsi.org.uk
Website http://www.dh.gov.uk/Home/fs/en

Funders

Funder type

Government

University Hospital of South Manchester NHS Foundation Trust (UK)

No information available

NHS R&D Support Funding

No information available

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
Publication and dissemination planNot provided at time of registration
IPD sharing plan

Editorial Notes

09/08/2021: Internal review.