Arena Pharmaceuticals is moving ahead with a Phase II clinical trial for its pulmonary arterial hypertension (PAH) drug APD811 based on data from two Phase I trials, including an incidence of transient atrial fibrillation that may have been caused by the company's oral prostacyclin (IP) receptor agonist.
San Diego-based Arena tested single ascending doses of APD811 in a Phase Ia study and evaluated the safety, tolerability and...






![Spotlight On RDCs, AOCs As Leading Novel Bioconjugates[Updated]](https://web.insights.norstella-labs.com/resizer/v2/3M7ZAWZOBNK7NG4A4WDOIFG6DU.jpg?smart=true&auth=392a1fdb3cfacb29445720c412410e598dbcc5f90f14857652cd498bd0faa0fb&width=400&height=225)
