Status:

COMPLETED

Atopic Dermatitis: Sub-Saharan Africa vs. Central Europe

Lead Sponsor:

University of Zurich

Collaborating Sponsors:

Regional Dermatology Training Centre (RDTC), Moshi, Tanzania

University Hospital Joseph Raseta Befelatanana in Antananarivo, Madagascar

Conditions:

Atopic Dermatitis

Eligibility:

All Genders

18+ years

Brief Summary

Many people are affected by atopic dermatitis (AD) worldwide. However, clinical studies on AD in Sub-Saharan Africa are rare and there is a lack of knowledge about possible differences in pathogenesis...

Detailed Description

Objectives of the project: Compare the following aspects in patients suffering from atopic dermatitis (AD) and healthy control (HC) participants in Central Europe (CE) vs. Sub-Saharan Africa (SsA): *...

Eligibility Criteria

Inclusion

  • AD patients:
  • Age: ≥18 years
  • Written informed consent given after information about the research project
  • Suffering from active atopic dermatitis
  • No active skin disease other than atopic dermatitis
  • No known active inflammatory disease other than atopic dermatitis/atopic diseases
  • HC participants:
  • Age: ≥18 years
  • Written informed consent given after information about the research project
  • No active skin disease
  • No known atopic disease (atopic dermatitis, asthma, allergy, allergic rhinoconjuncitivitis)
  • No known active inflammatory disease

Exclusion

  • Known or suspected systemic immunosuppression because of disease
  • Systemic immunomodulatory/-suppressive treatment
  • Glucocorticoids or immunosuppressants (last 4 weeks) or
  • JAK inhibitors (last week) or
  • Omalizumab (last 4 weeks) or
  • Other biologicals e.g. dupilumab (last 2 months)
  • Clinical signs of active bacterial, fungal or viral infection
  • Systemic antibiotic, antimycotic or antiviral treatment 4 weeks prior to start
  • Phototherapy 4 weeks prior to start
  • Active neoplasia
  • Undergoing surgery in the last 2 months
  • Infarction (e.g. stroke), embolism, or thrombosis in the last 2 months
  • Inability to follow the study procedures e.g. due to language problems, dementia etc. of the participant

Key Trial Info

Start Date :

March 30 2022

Trial Type :

OBSERVATIONAL

Allocation :

ACTUAL

End Date :

March 12 2025

Estimated Enrollment :

240 Patients enrolled

Trial Details

Trial ID

NCT05363904

Start Date

March 30 2022

End Date

March 12 2025

Last Update

July 9 2025

Active Locations (3)

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Page 1 of 1 (3 locations)

1

University Hospital Joseph Raseta Befelatanana

Antananarivo, Madagascar

2

University Hospital Zurich

Zurich, Switzerland

3

Regional Dermatology Training Centre (RDTC)

Moshi, Tanzania