North America dominates the PD-1/PD-L1 Inhibitors for Weight Loss market with a 45% value share, driven by high R&D investments, advanced healthcare infrastructure, and prevalent obesity rates. The regionโs robust regulatory framework and rapid adoption of innovative therapies further accelerate growth. Europe follows with a 30% value share, supported by favorable reimbursement policies, rising awareness of immunotherapy, and strong collaboration between biotech firms and academic institutions. Asia Pacific is the fastest-growing region, projected to expand at a CAGR of 18% through 2030, fueled by expanding access to biologics, improving obesity statistics, and government initiatives to modernize healthcare systems. Latin America and the Middle East & Africa hold smaller shares (7% and 3%, respectively), but growth is spurred by increasing healthcare investments and emerging partnerships with global pharmaceutical players.