Type segmentation dissects the Sandhoff Disease Therapeutics market into five principal technology families: small‑molecule drugs, gene‑therapy vectors, enzyme‑replacement proteins, substrate‑reduction agents, and combination platforms. Small‑molecule compounds dominate early‑stage pipelines because of lower manufacturing complexity and established regulatory pathways, contributing roughly 30 % of projected revenues. Gene‑therapy vectors, primarily adeno‑associated virus (AAV) constructs delivering HEXB corrective sequences, are valued for potential one‑time curative outcomes and are expected to capture about 25 % of the market as clinical data mature. Enzyme‑replacement proteins address the underlying lysosomal deficiency but face blood‑brain barrier challenges, limiting their share to approximately 15 %. Substrate‑reduction agents, which lower ganglioside accumulation, add another 20 % by targeting disease progression rather than symptom relief. Finally, combination platforms that integrate two or more modalities are emerging, accounting for the remaining 10 %. Collectively, these sub‑segments define the overall market size and shape investment priorities within the Sandhoff Disease Therapeutics segmentation landscape.