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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
4 clinical trials for this condition and its sub-types, 0 tagged with Autosomal erythropoietic protoporphyria itself.
Follow this condition to get notified about new trialsWhere it sits in the disease tree
Browse by category →Sub-types of Autosomal erythropoietic protoporphyria
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Protoporphyria, erythropoietic, 1 2 trials
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A pill that could let people with rare sunlight disorder step outside without pain
Disease control Recruiting nowResearchers are testing an oral drug called PORT-77 in people with erythropoietic protoporphyria (EPP) and X-linked protoporphyria (XLP), rare conditions that cause severe pain after sunlight exposure. The trial enrolls about 225 adults and adolescents aged 12 and older. It compa…
Phase 2/3 • Sponsor: Portal Therapeutics, Inc. • Aim: Disease control
Last updated Sep 17, 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