Autosomal erythropoietic protoporphyria
MONDO:0019263Erythropoietic protoporphyria (EPP) is an inherited disorder of the heme metabolic pathway characterized by accumulation of protoporphyrin in blood, erythrocytes and tissues, and cutaneous manifestations of photosensitivity.
Also known as: EPP
3 clinical trials for this condition and its sub-types.
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New oral drug shows promise for rare sun allergy conditions
Disease control Recruiting nowThis study is for people with erythropoietic protoporphyria (EPP) or X-linked protoporphyria (XLP), rare conditions that cause severe pain and skin reactions to sunlight. The purpose is to check the long-term safety of an oral medication called dersimelagon. About 301 participant…
Phase: PHASE3 • Sponsor: Tanabe Pharma America, Inc. • Aim: Disease control
Last updated Aug 13, 2026 00:00 UTC
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Scientists launch Largest-Ever porphyria watch: 1,500 patients tracked for clues
Knowledge-focused Recruiting nowThis study follows 1,500 people with porphyria over many years to learn how the disease progresses, what symptoms appear, and how it affects pregnancy and lifespan. Researchers will collect medical records and lab results to create a clearer picture of the condition. No new treat…
Sponsor: The American Porphyrias Expert Collaborative • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:33 UTC