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Madeline Collin, a 24-year-old activist with Gaucher disease, worries that patients like her will suffer deeply if Britain leaves the European Union (EU), as scheduled, at the end of this month. Collin is an expert on the subject. For her University of Bath dissertation, she analyzed Brexit’s long-term impact…

With each new advance in medicine comes ethical dilemmas, from fertility treatments and newborn screening, to vaccinations, gene therapies and euthanasia. But rare diseases and the expensive therapies needed to treat them — particularly in an age of scarce economic resources — almost always entail “tragic choices,” warned Avraham Steinberg,…

Women’s pulmonary artery muscle cells produce more of a signal molecule called hypoxia-inducible factor 1-alpha (HIF1α), which may contribute to the higher prevalence of pulmonary arterial hypertension (PAH) in women compared to men, a study reports. The data also suggest that a component of…

Transition from phosphodiesterase-5 inhibitors (PDE5i) — such as United Therapeutics’ Adcirca (taladafil) and Pfizer‘s Revatio (sildenafil) — to Bayer‘s Adempas (riociguat), a soluble guanylate cyclase (sGC) stimulator, without a washout period is a viable option for some patients with pulmonary hypertension, a small study suggests. The…

Rare diseases affect about 30 million Americans — roughly the same number as those with type 2 diabetes. Yet only 5 percent of the estimated 7,000 rare diseases known to science have cures or treatments approved by the U.S. Food and Drug Administration (FDA). Raising awareness of those illnesses and highlighting…

A group of Canadian doctors highlighted the importance of an early diagnosis among those with rare diseases. The recommendation, released by the Pulmonary Hypertension Association of Canada, came out on Rare Disease Day, an international event every Feb. 28 to raise awareness of the 300 million people with rare…

Compound 3 is a potent and selective inhibitor of ROCK-1 and ROCK-2 — proteins associated with blood vessel contraction — and can ameliorate disease features of pulmonary hypertension (PH), a study finds. The study “Pharmacological characterization of a highly selective Rho kinase (ROCK) inhibitor and its therapeutic effects in experimental…