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Clinical Trials/NL-OMON44433
NL-OMON44433
Completed
Not Applicable

The Relationship between Atrial SEptal Defects (ASD) And BRonChial Hyperresponsiveness (SEARCH); Towards understanding the mechanism of dyspnea in adult ASD patients. - SEARCH

Academisch Medisch Centrum0 sites30 target enrollmentTBD
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Conditionsairway hyperresponsivenessan airway reaction to a non-specific trigger (methacholine) that would normally not excite significant airway narrowing.100103941000751010006436

Overview

Phase
Not Applicable
Intervention
Not specified
Conditions
airway hyperresponsiveness
Sponsor
Academisch Medisch Centrum
Enrollment
30
Status
Completed
Last Updated
2 years ago
OverviewInvestigatorsEligibility CriteriaOutcomesSimilar Trials

Overview

Brief Summary

No summary available.

Registry
who.int
Start Date
TBD
End Date
TBD
Last Updated
2 years ago
Study Type
Observational non invasive

Investigators

Eligibility Criteria

Inclusion Criteria

  • •\*Adult age (\> 18 years)
  • •\*Secundum ASD successfully closed using a septal occluder
  • •\*Available spirometry and methacholine provocation test results from before percutaneous ASD closure.

Exclusion Criteria

  • •Absolute contraindications
  • •o Severe airflow limitation (FEV1 \<50% predicted or \<1L)
  • •o Myocardial infarction or stroke in last three months
  • •o Uncontrolled hypertension (systolic BP \>200mmHg or diastolic BP \>100mmHg)
  • •Relative contraindications:
  • •o Moderate airflow limitation (FEV1 \<60% predicted or \<1\.5L)
  • •o Inability to perform acceptable\-quality spirometry
  • •o Pregnancy
  • •o Nursing mothers

Outcomes

Primary Outcomes

Not specified

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