The incidence of liver cancer is highest among adults with acute hepatic porphyrias (AHPs) who are older, female, symptomatic, and diagnosed with acute intermittent porphyria (AIP), one of the most common AHP subtypes. Those are the results of a pooled analysis of published studies conducted by a team of…
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Note: This story was updated Nov. 4, 2024, to correct that Givlaari was given via subcutaneous injections, not through infusions. Upper body pain and muscle weakness led to a misdiagnosis of Parsonage-Turner syndrome (PTS) for a woman in France who was later found to have acute…
Vitamin D plays a crucial role in maintaining and enhancing bone mineral density in people with erythropoietic protoporphyria (EPP), according to a study from the Netherlands. EPP patients in the study had high prevalence of osteopenia, or lower-than-normal bone density, and osteoporosis, a more severe form of bone loss.
Note: This story was updated Oct. 25, 2024, to correct that hemin was used during this study to treat porphyria attacks. Long-term use of the approved therapy Givlaari (givosiran) safely led to sustained reductions in porphyria attacks, and in the need for medications to treat such attacks, in…
The United Porphyrias Association (UPA) has received a five-year grant from the Chan Zuckerberg Initiative Rare As One Project to support efforts including advancing progress on the diagnosis, research, and treatment of porphyria. The association said the grant will “significantly enhance UPA’s ability to build a comprehensive…
A 21-year-old woman was diagnosed with congenital erythropoietic porphyria (CEP) — the rarest of porphyria types — after developing acute liver failure and swelling in the legs and mouth associated with the intake of ferrous sulfate, an iron supplement. The woman had a previous history of chronic iron deficiency…
The so-called hCG diet for weight loss, which combines a low-calorie diet with injections of the pregnancy hormone human chorionic gonadotropin (hCG), aggravated acute intermittent porphyria (AIP) in a 34-year-old woman, according to a recent case study. This diet involves receiving hCG, a naturally produced pregnancy hormone that’s approved…
An iron infusion for persistently low levels of hemoglobin, or the iron-containing protein that carries oxygen in red blood cells, triggered a sudden attack of erythropoietic protoporphyria (EPP) in a 28-year-old British man. Managing the disease required avoiding triggers as well as receiving ongoing care to prevent future flares…
A recent case report highlights how acute intermittent porphyria (AIP) should be considered early in the process of diagnosis when patients show certain brain symptoms and heart problems. The brain conditions documented are posterior reversible encephalopathy syndrome (PRES), which is marked by swelling in parts of the brain, and…
The case of a 16-year-old girl with recurrent acute intermittent porphyria (AIP) attacks who saw her symptoms ease after she started treatment with Givlaari (givosiran) has been reported in the U.S. The injectable therapy in the U.S. is approved only for adults with acute forms of porphyria, unlike…
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