BioMarin Pharmaceutical Inc has taken steps to extend its footprint in gene therapy with a preclinical collaboration with Dinaqor AG of Switzerland to develop therapies for rare genetic cardiomyopathies. Cardiomyopathies are diseases of the heart muscle, a significant proportion of which are inherited. Dinaqor will received an undisclosed upfront payment from BioMarin and is eligible for development, regulatory and commercial milestones. BioMarin is also investing in the Swiss company.