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Completed

NCT Number: NCT00737451

Association of Thyroid Autoimmunity and Chronic Urticaria

Increase prevalence of thyroid autoimmunity is found in patients with chronic urticaria. About 5-34% of chronic urticaria patients is associated with the presence of thyroid autoimmunity who are euthyroid status whereas 5-10% of them with either hyperthyroidism or hypothyroidism.

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Key information

About this study

There is no such report on the association of thyroid autoantibodies and chronic urticaria in Taiwan population yet. This study is designed to investigate the prevalence of thyroid autoimmunity associated with chronic urticaria in Taiwanese population. In addition, we intend to find out the change in the level of thyroid autoimmunity after the treatment in order to further understand their relationship. We also intend to find out the prognostic parameters in patients with the presence of thyroid autoimmunity and chronic urticaria.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • 18 years old and above
  • skin itching for more than 6 months

Exclusion criteria

  • pure physical urticaria, infectious diseases, and food or food addictive hypersensitivity, chronic infection

Treatment and study plan

blood sampling

Behavioral

blood sampling 10ml from the study subjects

Primary outcomes

  1. The prevalence of thyroid autoimmunity in chronic urticaria in Taiwan

    Time frame: one year

Sponsors and collaborators

Lead sponsor

Far Eastern Memorial Hospital

Other

Registry information

Official study title

Association of Thyroid Autoimmunity and Chronic Urticaria in Taiwan

Important dates

Study start
2008
Primary completion
2010
Study completion
2010
First posted
Aug 19, 2008
Registry last updated
Mar 27, 2012

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

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This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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