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Identification and characterization of pruritus pathways in chronic skin inflammation

Identification and characterization of pruritus pathways in chronic skin inflammation - ICoPP

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00015168
Enrollment
270
Registered
2019-04-02
Start date
2019-03-29
Completion date
Unknown
Last updated
2026-04-27

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

Conditions

Chronic pruritus L20 L40 L43 L29.8

Interventions

Group 1: arm 1: patients with chronic-inflammatory skin diseases with chronic pruritus. Description: Our key objective is the characterization of known (IL-31, NGF, TSLP) and the identification of no

Sponsors

Universitätsklinik für Dermatologie und Allergologie, Klinikum Oldenburg
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Patients with chronic pruritus (due to lichen planus, psoriasis and atopic dermatitis); minimum age 18 years

Exclusion criteria

Exclusion criteria: Patients who cannot complete the questionnaires due to physical or psychiatric diseases or an insufficient understanding of the German language. Patients taking antipruritic drugs. Patients with an infection at the potential biopsy area. Patients who received anti-inflammatory therapy within the last two weeks and pregnant or breast-feeding women are excluded from the study.

Design outcomes

Primary

MeasureTime frame
expression profiles of pruritic mediators (immunohistochemistry and immunofluorescence, ELISA, Western Blot) gene expression profiles (qPCR, RNA sequencing) Patient questionnaires: NeuroDerm questionnaire, 5PLQ, SF12, Beck´s Depression Inventory (BDI), Trait anxiety inventory (STAI-T), Self-Administered Comorbidity Questionnaire (SCQ), Brief Pain Inventory (BPI), Pain Catastrophizing Scale, Neuropathic pain symptom inventory (NPSI)

Secondary

MeasureTime frame
better understanding of the pruritus pathways

Countries

Germany

Contacts

Public ContactTobias Weihrauch

Abteilung für Experimentelle Allergologie und Immundermatologie

tobias.weihrauch@uni-oldenburg.de0441/798-3523

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: May 1, 2026