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Contraceptive Use and Respiratory Conditions Among Scottish Women

NCT02039102 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 3257

Last updated 2021-06-21

No results posted yet for this study

Summary

Studies examining the sex differences in the epidemiology and morbidity patterns of asthma show that the rates of disease severity, healthcare utilisation, and poor quality of life are considerably higher in women than in men, and this has been attributed to endogenous and exogenous sex hormonal factors. Studies examining the impact of use of hormonal contraceptives on the risk of asthma and asthma-related conditions are few, yet findings are conflicting.

In the present study, the investigators utilize data from the Scottish Health Survey, a national representative sample, to investigate the associations between current use of hormonal contraceptives and the prevalence of self-reported doctor-diagnosed current asthma and wheezing symptoms in Scottish women. The investigators hypothesize that while current use of any hormonal contraceptives and combined oral pills are associated with higher prevalence of asthma and asthma outcomes, current use of progesterone-only contraceptives is not associated with asthma. A secondary aim of the current study is to examine whether there is evidence of any biological interaction between use of hormonal contraceptives and BMI in relation to the risk of asthma and asthma outcomes.

Conditions

Sponsors & Collaborators

  • University of Edinburgh

    lead OTHER

Eligibility

Min Age
16 Years
Max Age
45 Years
Sex
FEMALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2013-12-31
Primary Completion
2018-09-30
Completion
2018-09-30

Countries

  • United Kingdom

Study Locations

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Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT02039102 on ClinicalTrials.gov