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RESEARCH LETTER

Glucocorticoids Do Not Affect the Vascular Component of TRP-Mediated Neurogenic Skin Inflammation

ORCID Icon &
Pages 2835-2838 | Received 13 Feb 2024, Accepted 04 Apr 2024, Published online: 08 May 2024

Figures & data

Figure 1 Vascular response upon topical cinnamaldehyde 10% (A and B) and capsaicin 1000µg/20µL (C and D) application on the forearm in 12 healthy male subjects. The vascular response is expressed over time (mean ± SEM) as dermal blood flow within the area of application (DBFring, perfusion units[PUs]) ((A and C) black) or Flarearea (mm²) ((A and C) grey) before, ie at pre-drug baseline, (blank) and 18 ± 1 hours after oral intake of dexamethasone 10mg (full). Statistical analysis using Linear mixed models (fixed effect: dexamethasone treatment; random effect: subject; repeated statement: time point), significance level set at 0.05. Representative images of the vascular response at pre-challenge baseline and respectively 20 or 40 minutes after cinnamaldehyde 10% (B) and capsaicin 1000µg/20µL (D) application.

Figure 1 Vascular response upon topical cinnamaldehyde 10% (A and B) and capsaicin 1000µg/20µL (C and D) application on the forearm in 12 healthy male subjects. The vascular response is expressed over time (mean ± SEM) as dermal blood flow within the area of application (DBFring, perfusion units[PUs]) ((A and C) black) or Flarearea (mm²) ((A and C) grey) before, ie at pre-drug baseline, (blank) and 18 ± 1 hours after oral intake of dexamethasone 10mg (full). Statistical analysis using Linear mixed models (fixed effect: dexamethasone treatment; random effect: subject; repeated statement: time point), significance level set at 0.05. Representative images of the vascular response at pre-challenge baseline and respectively 20 or 40 minutes after cinnamaldehyde 10% (B) and capsaicin 1000µg/20µL (D) application.