Zanvastro is now the first approved medicine for Alexander disease. Elsewhere, an immune system specialist posted positive results and a cell therapy developer turned to layoffs.

Zanvastro is now the first approved medicine for Alexander disease. Elsewhere, an immune system specialist posted positive results and a cell therapy developer turned to layoffs.

The FDA approves Ionis' Zanvastro as the first treatment for Alexander disease, clearing the way for the company's first solo neurology launch.