You see, UCB wants to be a world leader when it comes to treating ailments related to the immune and central nervous systems (CNS). The company manufacturers prescription drugs to treat Crohn's disease, epilepsy, and Parkinson's disease. UCB's top products include Cimzia for Crohn's disease,Vimpat to treat epilepsy, and Neupro for Parkinson's disease. The company also makes allergy blockbuster Zyrtec. UCB has operations in nearly 30 countries, and markets its products through an internal sales force and through strategic relationships with other pharmaceutical companies. Marketing, manufacturing, and development partners include AstraZeneca and Novartis. Financière de Tubize owns a majority stake in UCB.