CLE004: Screening Scottish Swimmers for Asthma and Rhinitis

Sponsor
Brian J Lipworth (Other)
Overall Status
Completed
CT.gov ID
NCT00831428
Collaborator
(none)
97
1
3.9
24.6

Study Details

Study Description

Brief Summary

The Scottish National and District swimming teams will be screened for asthma and rhinitis using both mannitol challenge and sport-based exercise challenge.

Condition or Disease Intervention/Treatment Phase
  • Other: no intervention

Study Design

Study Type:
Observational
Actual Enrollment :
97 participants
Observational Model:
Other
Time Perspective:
Cross-Sectional
Official Title:
A Pilot Study to Identify the Prevalence of Exercise- Induced Asthma and Rhinitis in Scottish Swimmers, Using Mannitol Challenge as a Screening Tool.
Study Start Date :
Feb 1, 2009
Actual Primary Completion Date :
May 1, 2009
Actual Study Completion Date :
Jun 1, 2009

Arms and Interventions

Arm Intervention/Treatment
Scottish swimming team

Other: no intervention
this is a screening study, not an interventional study

Outcome Measures

Primary Outcome Measures

  1. Tidal Nitric Oxide [This test will be performed prior to entering the pool, and on exiting the pool]

Secondary Outcome Measures

  1. Mannitol Challenge [This test will be performed once on a district and once on a national squad training day]

  2. Sport-based Challenge [This test will be performed once on a district and once on a national squad training day]

  3. Nasal Nitric Oxide [This test will be performed prior to entering the pool, and on exiting the pool]

  4. Skin Prick Test [This test will be performed once on a district and once on a national squad training day]

  5. Mini Nasal Lavage [This test will be performed prior to entering the pool, and on exiting the pool]

Eligibility Criteria

Criteria

Ages Eligible for Study:
11 Years to 23 Years
Sexes Eligible for Study:
All
Accepts Healthy Volunteers:
No
Inclusion Criteria:
  • member of the Scottish national and district swimming team

  • informed consent obtained

Exclusion Criteria:
  • pregnant, lactating or planning to become pregnant

  • concomitant use of medicines (prescribed, over-the-counter or herbal) that may interfere with the trial.

  • any clinically significant medical condition, as deemed by the clinical investigators, which may endanger the health of the participant or jeopardise the protocol.

  • inability to comply with the protocol.

Contacts and Locations

Locations

Site City State Country Postal Code
1 The national swimming academy in Stirling Stirling Stirlingshire United Kingdom FK9 4LA

Sponsors and Collaborators

  • Brian J Lipworth

Investigators

  • Principal Investigator: Karine L Clearie, MBBS, MRCP, Asthma and Allergy Research Group
  • Study Director: Brian J Lipworth, MBchB, Asthma and Allergy Research Group

Study Documents (Full-Text)

None provided.

More Information

Publications

None provided.
Responsible Party:
Brian J Lipworth, Professor (Clinical) Airway allergy and COPD, University of Dundee
ClinicalTrials.gov Identifier:
NCT00831428
Other Study ID Numbers:
  • CLE004
First Posted:
Jan 29, 2009
Last Update Posted:
Apr 24, 2019
Last Verified:
Apr 1, 2019
Keywords provided by Brian J Lipworth, Professor (Clinical) Airway allergy and COPD, University of Dundee
Additional relevant MeSH terms:

Study Results

Participant Flow

Recruitment Details The scottish national and district teams were assessed during training weekends.
Pre-assignment Detail All members of the squad were offered the opportunity to take part.
Arm/Group Title Scottish Swimming Team
Arm/Group Description
Period Title: Overall Study
STARTED 97
COMPLETED 97
NOT COMPLETED 0

Baseline Characteristics

Arm/Group Title Scottish Swimming Team
Arm/Group Description
Overall Participants 97
Age (Count of Participants)
<=18 years
97
100%
Between 18 and 65 years
0
0%
>=65 years
0
0%
Age (years) [Mean (Standard Deviation) ]
Mean (Standard Deviation) [years]
15.2
(0.25)
Sex: Female, Male (Count of Participants)
Female
52
53.6%
Male
45
46.4%
Region of Enrollment (participants) [Number]
United Kingdom
97
100%

Outcome Measures

1. Secondary Outcome
Title Mannitol Challenge
Description
Time Frame This test will be performed once on a district and once on a national squad training day

Outcome Measure Data

Analysis Population Description
[Not Specified]
Arm/Group Title
Arm/Group Description
2. Secondary Outcome
Title Sport-based Challenge
Description
Time Frame This test will be performed once on a district and once on a national squad training day

Outcome Measure Data

Analysis Population Description
[Not Specified]
Arm/Group Title
Arm/Group Description
3. Primary Outcome
Title Tidal Nitric Oxide
Description
Time Frame This test will be performed prior to entering the pool, and on exiting the pool

Outcome Measure Data

Analysis Population Description
Data from all participants was analysed
Arm/Group Title Scottish Swimming Team
Arm/Group Description
Measure Participants 97
Geometric Mean (95% Confidence Interval) [ppb]
18.7
4. Secondary Outcome
Title Nasal Nitric Oxide
Description
Time Frame This test will be performed prior to entering the pool, and on exiting the pool

Outcome Measure Data

Analysis Population Description
[Not Specified]
Arm/Group Title
Arm/Group Description
5. Secondary Outcome
Title Skin Prick Test
Description
Time Frame This test will be performed once on a district and once on a national squad training day

Outcome Measure Data

Analysis Population Description
[Not Specified]
Arm/Group Title
Arm/Group Description
6. Secondary Outcome
Title Mini Nasal Lavage
Description
Time Frame This test will be performed prior to entering the pool, and on exiting the pool

Outcome Measure Data

Analysis Population Description
[Not Specified]
Arm/Group Title
Arm/Group Description

Adverse Events

Time Frame
Adverse Event Reporting Description
Arm/Group Title Scottish Swimming Team
Arm/Group Description
All Cause Mortality
Scottish Swimming Team
Affected / at Risk (%) # Events
Total / (NaN)
Serious Adverse Events
Scottish Swimming Team
Affected / at Risk (%) # Events
Total 0/0 (NaN)
Other (Not Including Serious) Adverse Events
Scottish Swimming Team
Affected / at Risk (%) # Events
Total 0/0 (NaN)

Limitations/Caveats

[Not Specified]

More Information

Certain Agreements

All Principal Investigators ARE employed by the organization sponsoring the study.

There is NOT an agreement between Principal Investigators and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed.

Results Point of Contact

Name/Title Dr Karine Clearie
Organization University of Dundee
Phone 01382 496440
Email k.clearie@dundee.ac.uk
Responsible Party:
Brian J Lipworth, Professor (Clinical) Airway allergy and COPD, University of Dundee
ClinicalTrials.gov Identifier:
NCT00831428
Other Study ID Numbers:
  • CLE004
First Posted:
Jan 29, 2009
Last Update Posted:
Apr 24, 2019
Last Verified:
Apr 1, 2019