Urticaria | The Efficacy of a Pseudoallergen-Free Diet in the Treatment of Chronic Idiopathic Urticaria and/or Angioedema

Urticaria research study

What is the primary objective of this study?

This study involves investigating the effects of a pseudoallergen-free (active) diet compared with a control (placebo) diet in the treatment of Chronic Idiopathic Urticaria (CIU) and/or Angioedema. The hypothesis is that over a four-week intervention period, the pseudoallergen-free diet will be more effective than the placebo diet in reducing the frequency and severity of CIU and/or Angioedema.

Who is eligible to participate?

Inclusion Criteria: - English Speaking - Aged between 21 to 75 years - 3 month history of Chronic Idiopathic Urticaria and/or Angioedema Exclusion Criteria: - age <21 and >75 years - non english speaking - systemic lupus erythematosis - dysproteinemias - thyrotoxicosis - vasculitis - infection

Which medical condition, disease, disorder, syndrome, illness, or injury is researched?



Study Interventions

Interventions can include giving participants drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available or noninvasive approaches such as surveys, education, and interviews.

Behavioral:Dietary Therapy

Study Arms

Research studies and clinical trials typically have two or more research arms. An arm is a group of people who receive the same treatment in the study.

Study Status

Unknown status

Start Date: September 2005

Completed Date:

Phase: N/A

Type: Interventional


Primary Outcome: The frequency and severity of CIU and/or angioedema (as determined via a five point rating scale)

Secondary Outcome: The relative use of antihistamines (ie how many, how often)

Study sponsors, principal investigator, and references

Principal Investigator: Kate Connell, Masters

Lead Sponsor: Bayside Health


More information:

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