Study on the role of life circumstances in the development and severity of hidradenitis suppurativa (acne inversa) and varicosis (varicose veins)

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00038262

Enrollment

400

Registered

2026-01-12

Start date

2026-01-13

Completion date

Unknown

Last updated

2026-06-01

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

Conditions

L73.2 I83

Interventions

Group 1: Patients with hidradenitis suppurativa are informed about the study as part of their care at their medical facility and invited to participate in the survey voluntarily and anonymously. If pa

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Patients' ability and willingness to complete the questionnaire independently

Exclusion criteria

Exclusion criteria: - Subject age <18 years - Subject is unable to complete the questionnaire independently.

Design outcomes

Primary

Measure	Time frame
Odds ratio for exposure influence on the development of acne inversa	—

Secondary

Measure	Time frame
Severity of acne inversa depending on “exposure”; Correlation between the severity of acne inversa and the degree of “exposure”	—

Countries

Germany

Contacts

Public ContactJonas Isaak

Charité - Universitätsmedizin Berlin; Klinik für Dermatologie, Venerologie und Allergologie, Translationale Entzündungsforschung der Haut

jonas-devin.isaak@charite.de+49 30 450 518 008

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Jun 11, 2026