Nuclear Factor Kappa-Light-Chain-Enhancer of Activated B Cells (NF-κB) Inhibitors segmentation by type distinguishes four principal categories that together define the market architecture. Small‑molecule inhibitors dominate with an estimated 55 % share, owing to their oral bioavailability, scalable synthesis, and established regulatory pathways; they target upstream kinases (IKKβ) or directly bind the DNA‑binding domain of NF‑κB. Biologic agents, principally monoclonal antibodies that neutralize cytokines upstream of NF‑κB activation, hold roughly 25 % of the market, reflecting higher development costs but differentiated safety profiles in chronic inflammatory settings. Peptide‑based inhibitors account for about 12 %, leveraging short amino‑acid sequences to disrupt protein‑protein interactions within the NF‑κB signaling complex, a niche supported by advances in peptide stabilization and delivery. Nucleic‑acid therapeutics, including siRNA and antisense oligonucleotides, represent the remaining 8 %, driven by precision‑editing capabilities that silence NF‑κB subunit expression. The relative weight of each type influences R&D allocation, pricing dynamics, and adoption rates across the application segments described earlier.