A Study of the Occurrence and Clinical Disease Characteristics of Chronic Spontaneous Urticaria (an Intensly Itchy Rash)


About this study

The purpose of this study is to investigate the occurrance and disease characteristics of chronic hives lasting longer than 6 weeks and that do not have an identifiable trigger.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria 

  • 18 years and older
  • Has chronic spontaneous urticaria lasting longer than six weeks as confirmed by entrance history and physical examination

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Jacksonville, Fla.

Mayo Clinic principal investigator

Jason Sluzevich, M.D.

Open for enrollment

Contact information:

Clinical Studies Unit

(904) 953-2255

More information


Publications are currently not available

Study Results Summary

Not yet available

Supplemental Study Information

Not yet available


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