Characterization of New Human Models of Non-histaminergic Itch and Their Interaction With the TRPM8 Receptor

NACompletedINTERVENTIONAL
Enrollment

20

Participants

Timeline

Start Date

March 1, 2022

Primary Completion Date

May 31, 2022

Study Completion Date

June 30, 2022

Conditions
Itch
Interventions
DRUG

Doxepin Topical

Four of the areas will be treated with doxepin for 1 hour and 30 minutes (with a patch to deposit 1.2 grams of cream). Each patch will be covered with Tegaderm I.V., an occlusive, adhesive dressing (3M), for at least 1½ hours

DRUG

Papain

Papain will be applied by 1 SPT prick thought the skin

DRUG

Histamine

Histamine will be applied by 1 SPT prick thought the skin

OTHER

Cowhage

Cowhage spicules are 1-2 mm in length and have diameter of 1-3 µm at their tip. 30-35 spicules are gently rubbed into a 1 cm diameter skin area.

Trial Locations (1)

9000

Aalborg University, Aalborg

All Listed Sponsors
lead

Aalborg University

OTHER