The Cell Based Assays Market is projected to grow from USD 20.42 Billion in 2023 to USD 39.23 Billion by 2031, driven by pharmaceutical R&D, technological advancements, personalized medicine, and reduced animal testing. Key challenges include high costs, complexity, and technical limitations. Trends include 3D cell culture, AI integration, precision medicine, and immuno-oncology. North America leads the market, followed by Asia Pacific and Europe.