EPP Patient Journey: Trial Experience, IV Iron Risk, and Emotional Burden

This episode, "EPP Patient Journey: Trial Experience, IV Iron Risk, and Emotional Burden," brings Mr. Willis and Dr. Bonkovsky together to discuss his first trial and its lessons.

Dr. Bonkovsky asks how much Mr. Willis improved in the afamelanotide study, noting that it was double-blind but that Mr. Willis became noticeably more pigmented, which suggests he received active drug. Blinding is difficult with drugs that change pigmentation. Mr. Willis tolerated the implants well, describing a few days of discomfort like a bruise, and says he held back because he was only a few years past his liver crisis. Even so, he could travel to Africa without worrying as much about covering up. He estimates he gained a couple of hours before symptoms began, compared with 5 to 10 minutes of tingling, burning, and itching without treatment.

Dr. Bonkovsky then reinforces a teaching point, since Mr. Willis has never had intravenous iron again. Mild iron deficiency is common in EPP, but in classical EPP intravenous iron carries a substantial risk of acute worsening, including severe photosensitivity and liver complications. It is strongly contraindicated, and slower oral iron is safer. He adds that X-linked protoporphyria is the opposite, because iron replacement tends to improve it. An iron tolerance test is no longer needed, since biochemical and genetic testing are far better.

After the study, Mr. Willis returned to covering up and describes spending almost a month in the dark after reactions to ambient light and bulbs. He then raises the emotional burden of EPP, which he says is seldom discussed. There is constant fear about hidden light sources, even in a restaurant far from windows. Patients can take every precaution and still not catch every source of light, and some reactions are worse than others.

The next episode in this series, "EPP Patient Journey: Oral Therapies and Regaining Freedom in the Sun," follows Mr. Willis through two more trials and the treatment that changed his life.