News

Severe lack of hydroxymethylbilane synthase (HMBS) — the defective enzyme in people with acute intermittent porphyria (AIP) — led to abnormalities in mitochondria essential for cellular energy, and to depression-like symptoms in a mouse model of the disease, a study reports. The study, “Severe hydroxymethylbilane synthase…

Antiviral treatment can prevent the onset of porphyria cutanea tarda (PCT) in people with hepatitis C and urine abnormalities indicating this form of porphyria, a study found. The study, “Resolution of subclinical porphyria cutanea tarda after hepatitis C eradication with direct‐acting anti‐virals,” was published in the…

People with acute intermittent porphyria (AIP) who were treated with Alnylam Pharmaceuticals’ RNA-based therapy Givlaari (givosiran) experienced a rapid and lasting reduction in porphyria attacks — and most remained attack-free for the first six months of the ENVISION trial’s extension study. In addition, no new…

The Black Women’s Health Imperative (BWHI) recently created a Rare Disease Diversity Coalition focused on reducing racial disparities in the rare disease community. Getting a timely and accurate diagnosis for a disease that few people — sometimes even physicians — have heard of is challenging on its own merit.

A new study testing a light exposure measuring device designed to help people with erythropoietic protoporphyria (EPP) better manage their symptoms is recruiting participants. A total of 30 EPP patients are expected to be enrolled, along with 10 individuals without the condition, who will serve as…

A Phase 3 clinical trial of Mitsubishi Tanabe’s investigational therapy MT-7117 (dersimelagon) for people with erythropoietic protoporphyria (EPP) or X-linked protoporphyria (XLP) has been launched. The study (NCT04402489) will take place at 12 clinical sites in the U.S. and will test the therapy in adults and adolescents.