Frequency of Parasite Infestation in Patients With Chronic Spontaneous Urticaria

Häufigkeit Der Infestation Mit Parasiten Bei Patienten Mit Chronisch Spontaner Urtikaria, Eine Retrospektive Datenanalyse

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT04314999

Enrollment

Registered

2020-03-19

Start date

2019-06-01

Completion date

2019-09-30

Last updated

2020-03-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic Spontaneous Urticaria, Parasitic Disease

Keywords

Chronic Spontaneous Urticaria, Parasitic disease

Brief summary

The goal of this study is to describe the prevalence and the type of parasite in patients with a chronic spontaneous urticaria as well as to describe the associations between parasitic disease and the characteristics of the patients, for example eosinophilia.

Interventions

DIAGNOSTIC_TESTExamination of stool samples

Tests for diagnosis of parasitic diseases

Study design

Observational model

CASE_ONLY

Time perspective

RETROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

17 Years to No maximum

Inclusion criteria

* Diagnosis of a chronic spontaneous urticaria * Age: 17 years old and up

Exclusion criteria

* No diagnosis of a chronic spontaneous urticaria * Age: younger than 17 years

Design outcomes

Primary

Measure	Time frame	Description
Number of patients with parasite infestation	Patients with a chronic spontaneous urticaria that were treated at the University hospital basel between the 1st of June 2019 and the 30th of September 2019	assess number of patients with chronic spontaneous urticaria that have a parasite infestation (Analysis of stool samples by the Swiss Tropical and Public Health Institute (TPH), Basel)
Most common parasite subgroup	Patients with a chronic spontaneous urticaria that were treated at the University hospital basel between the 1st of June 2019 and the 30th of September 2019	subtype determination from stool samples was performed by the Swiss TPH, Basel by polymerase chain reaction (PCR)

Secondary

Measure	Time frame	Description
Correlation between migration Background/ travel history of the patients and parasite infestation	Patients with a chronic spontaneous urticaria that were treated at the University hospital basel between the 1st of June 2019 and the 30th of September 2019	examine travel history and migration background of patients
Correlation between gastrointestinal complaints of the patients and parasite infestation	Patients with a chronic spontaneous urticaria that were treated at the University hospital basel between the 1st of June 2019 and the 30th of September 2019	anamnesis of the patients

Countries

Switzerland

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026