SAN DIEGO, Calif.--NaviCyte, a wholly owned subsidiary of Trega Biosciences, entered an agreement with the R.W. Johnson Pharmaceutical Research Institute to collaborate on the development of NaviCyte's pharmacokinetic informatics tools for drug target selection. The research institute will provide data and make initial and milestone payments during development of NaviCyte's In Vitro Determination for Evaluation of Absorption (Idea) simulation software system and database. The tools are designed to enable prediction of pharmacokinetic outcomes in humans.