Here we present data from the Observational Study of Psoriatic Arthritis Treated with Leflunomide (OSPAL), a postauthorization study that assessed the effectiveness and safety of leflunomide in adult patients with active PsA. Data were collected in Germany, the Czech Republic, and in Slovenia.
What is 'Research And Development - R&D' Research and development (R&D) refers to the investigative activities a business conducts to improve existing products and procedures or to lead to the development of new products and procedures. Consumer goods companies across all sectors and industries utilize R&D to improve on product lines, and corporations experience growth through these improvements and through the development of new goods and services.
Common Misconceptions. â 1  Any advancement has the potential to earn credits. â 2  The R&D test is activity based. The level of technological advancement achieved is irrelevant so long as the. activities satisfy the tax definition of R&D. The work doesnât have to be new to the market or industry, just to your. organization.