Skin inlammation
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Healthy male subjects, 18 to 45 years of age, inclusive. Healthy status is defined by absence of evidence of any active or chronic disease following a detailed medical and surgical history, a complete physical examination including vital signs, 12-lead ECG, hematology, blood chemistry, blood serology and urinalysis; 2. Body mass index (BMI) between 18 and 30 kg/m2, inclusive, and with a minimum weight of 50 kg; 3. Fitzpatrick skin type I-III (Caucasian); 4. Able and willing to give written informed consent and to comply with the study restrictions. 5. Able to work with the eDiary app.
Exclusion criteria
Exclusion criteria: 1. Any disease associated with immune system impairment, including auto-immune diseases, HIV and transplantation patients; 2. Type 1 or type 2 diabetes mellitus; 3. Any vaccination within the last 3 months; 4. Family history of psoriasis; 5. History of pathological scar formation (keloid, hypertrophic scar); 6. Have any current and / or recurrent pathologically, clinical significant skin condition (including tattoos) at the treatment area (i.e. atopic dermatitis); 7. Hypersensitivity for dermatological marker at screening; 8. Requirement of immunosuppressive or immunomodulatory medication within 30 days prior to enrollment or planned to use during the course of the study; 9. Tanning due to sunbathing, excessive sun exposure or a tanning booth within 3 weeks of enrollment; 10. Participation in an investigational drug or device study within 3 months prior to screening or more than 4 times a year; 11. Loss or donation of blood over 500 mL within three months prior to screening. Or the donation of plasma within 14 days prior to screening; 12. Current smoker and/or regular user of other nicotine-containing products (e.g., patches). 13. History of or current drug or substance abuse considered significant by the PI (or medically qualified designee), including a positive urine drug screen.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Tolerability / safety endpoints *Monitoring Adverse events (AEs) * Monitoring BP, HR and T *Local tolerance (Numeric Rating Scale (NRS) pruritus and pain) *Circulating cytokines (TNF*, IL-6, IL-8, IL-1*), and leukocytes Pharmacodynamic endpoints Non-invasive measures: *Perfusion by Laser speckle contrast imaging (LSCI) *Erythema by Antera 3D camera / 2D camera *Erythema by clinical evaluation (erythema grading scale) *Temperature by thermography *Skin microbiome Invasive measures: Suction blister exudates: o Cytokines and chemokines (protein, TBD) o Flow cytometry: *Neutrophils *Monocytes/macrophages *CD4+ lymphocytes *CD8+ lymphocytes *CD56+ lymphocytes *CD1c dendritic cells | — |
Countries
Netherlands