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Study to detect the efficacy of Seresis® in reducing the damage produced on the skin by Matrix-metalloproteinases (MMP) and by oxidative stress (marker: heme oxygenase-1 expression) activated by UV radiation
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Seresis® | Experimental |
| |
| Placebo | Placebo Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Seresis® | Drug |
| ||
| Placebo |
| Measure | Description | Time Frame |
|---|---|---|
| Absolute changes in MMP-1 levels (activity and protein expression) measured in skin samples | Day 84 | |
| Absolute changes in MMP-9 levels (activity and protein expression) measured in skin samples | Day 84 |
| Measure | Description | Time Frame |
|---|---|---|
| Changes in MMP-1 levels measured in skin samples | up to day 84 | |
| Changes in MMP-9 levels measured in skin samples | up to day 84 | |
| Changes in MMP-3 levels measured in skin samples |
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Inclusion Criteria:
Exclusion Criteria:
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|
| up to day 84 |
| Changes in pro-MMPs levels measured in skin samples | up to day 84 |
| Changes in tissue inhibitor (TIMP-1) levels measured in skin samples | up to day 84 |
| Heme oxygenase-1 level measured in skin samples | up to day 84 |
| Density of Langerhans cells measured in skin samples | up to day 84 |
| Cell proliferation and differentiation measured in skin samples | up to day 84 |
| Plasma levels of vitamin E | up to day 84 |
| Plasma levels of beta-carotene | up to day 84 |
| Number of subjects with adverse events | up to 112 days |
| Number of subjects with abnormal changes in laboratory parameters | up to day 98 |
| Assessment of tolerability by investigator on a 4-point scale | Day 84 |
| Assessment of tolerability by volunteer on a 4-point scale | Day 84 |
| Recall antigene (skin immune status) measured in the skin sample | up to 84 days |
| Assessment of light sensitivity | up to 84 days |