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Background: Erythropoietic protoporphyria (EPP) is characterized by development of painful skin symptoms upon exposure to visible light dye to accumulation of the photoactive substance protoporphyrin IX (PpIX) in the skin.This study aimed to quantify the actual light exposure of patients with EPP during everyday life. The investigators further aimed to establish the associations between symptoms and light exposure, use of protective clothes, and erythrocyte PpIX concentration.
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| Measure | Description | Time Frame |
|---|---|---|
| Actual light exposure | Actual light exposure of patients with erythropoietic protoporphyria | from April through June 2017 |
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Inclusion Criteria:
Exclusion Criteria:
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Patients with erythropoietic protoporphyria.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Bispebjerg Hospital | Copenhagen | Denmark | ||||
| Bispebjerg Hospital |
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| ID | Term |
|---|---|
| D046351 | Protoporphyria, Erythropoietic |
| ID | Term |
|---|---|
| D017094 | Porphyrias, Hepatic |
| D008107 | Liver Diseases |
| D004066 | Digestive System Diseases |
| D012873 | Skin Diseases, Genetic |
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| Copenhagen NV |
| DK-2400 |
| Denmark |
| D030342 |
| Genetic Diseases, Inborn |
| D009358 | Congenital, Hereditary, and Neonatal Diseases and Abnormalities |
| D012871 | Skin Diseases |
| D017437 | Skin and Connective Tissue Diseases |
| D011164 | Porphyrias |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |