CenExel Clinical Research, a clinical research site manager, agreed to acquire CTSdatabase, a cutting edge and global duplicate subject detection service. Financial terms were not disclosed. "The addition of CTSdatabase elevates the CenExel network promise of quality results for every study we support, across our therapeutic areas of expertise. This partnership will also provide greater opportunities for CTSdatabase to expand even beyond its impressive current size, growing the registry to include hundreds of thousands more unique subjects within the next few years," Tom Wardle, CenExel CEO.