Clinigen Ltd., a global pharmaceutical services company, has nearly doubled its U.S. site capacity to better service large-scale clinical trials.    The company has seen a large increase in demand from pharma and biopharma companies for its clinical supplies management services including packaging and labelling, comparator drug sourcing, global storage and distribution, and biological sample management. As a result, to ensure the continued delivery of its services to clients, Clinigen is openi...