EPP2

Clinical trials for EPP2 explained in plain language.

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Trials to join now! 1

A pill that could let people with rare sunlight disorder step outside without pain

Disease control Recruiting now

Researchers 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…

Matched conditions: EPP2

Phase 2/3 • Sponsor: Portal Therapeutics, Inc. • Aim: Disease control

Last updated Sep 17, 2026 00:00 UTC

EPP2

Get alerted when new EPP2 trials appear

A pill that could let people with rare sunlight disorder step outside without pain