The ASCT1 PAb market is driven by regional disparities in ecosystem maturity and healthcare infrastructure. North America leads with 40% market share, fueled by advanced adoption rates, robust R&D investments, and a mature regulatory framework. Asia Pacific is the fastest-growing region, projected to expand at a CAGR of 12%, driven by rising healthcare investments, a large patient pool, and improving biotech infrastructure. The regional forecast highlights Europeโs 25% share, supported by harmonized policies and strong public-private partnerships, while Latin America and Middle East & Africa account for 10% and 5%, respectively, with growth catalyzed by policy reforms and targeted demographic strategies.