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WithdrawnNCT00520624EILUpdated Jan 28, 2021

Treatment of Exercise-induced Laryngomalacia in Elite Athletes

An interventional study of inspiratory muscle strength training and Surgery in Exercise-induced Laryngomalacia, sponsored by Bispebjerg Hospital. Withdrawn at 1 site in Denmark. Open to participants aged 12 Years and older. Per ClinicalTrials.gov, last updated 2021-01-28.

Sponsored by Bispebjerg Hospital · Not applicable, Interventional, and Treatment

Why this study was withdrawn
No patients willing to join
Phase
Not applicable
Study type
Interventional
Enrollment
0
Allocation
Randomized
Ages
12 Years and older
Sex
All
01

Study summary

Treatment of exercise-induced laryngomalacia (an obstruction of larynx during physical activity) in elite athletes using two different treatments. The study is randomized with control groups.

02

Conditions studied

  • Exercise-induced Laryngomalacia

Keywords

  • EIL
03

In context

Lead sponsor

Bispebjerg Hospital is the lead sponsor of 281 studies on the registry; 29 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
12 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Laryngoscopically verified EIL,
  • Elite athlete for a minimum of 1 year and continuing for a minimum 6 months after start of treatment

Exclusion criteria

Exclusion Criteria:

  • Has to be able to run on treadmill
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Single (Investigator)
Enrollment
0 participants (actual)

Study arms

  • Experimental
    1

    Treatment 1, for those with high degree of EIL

    Device: inspiratory muscle strength training

  • Experimental
    2

    Treatment 2, for those with high degree of EIL

    Procedure: Surgery

  • No intervention
    3

    Control group of those with high degree of EIL

  • Experimental
    4

    Treatment 1, for those with low degree of EIL

    Device: inspiratory muscle strength training

  • No intervention
    5

    Control group of those with low degree of EIL

Interventions

  • Deviceinspiratory muscle strength training
  • ProcedureSurgery
06

Study locations

1 site
  • Bispebjerg Hospital, Lungemedicinsk Forskningsenhed
    Copenhagen, Denmark
07

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jan 28, 2021, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
08

Registry details

Key details

Study ID
NCT00520624
Lead sponsor
Bispebjerg Hospital
Collaborators
Rigshospitalet, Denmark
Responsible party
Vibeke Backer (Professor, Bispebjerg Hospital) — Principal investigator
First posted
Aug 24, 2007
Start date
Jan 2013
Primary completion
Jan 2020
Completion
Jan 2020
Last update
Jan 28, 2021

Study contacts

Vibeke Backer
study director · Bispebjerg Hospital

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is withdrawn, as verified in Jan 2021. You cannot join it, but the record below documents what was studied.

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