CAMBRIDGE, Mass.–(BUSINESS WIRE)–Alnylam Pharmaceuticals, Inc. (Nasdaq: ALNY), the leading RNAi therapeutics company, today announced that its collaborator, Regeneron Pharmaceuticals, Inc. shared initial results from a first-in-human trial that demonstrated a single subcutaneous dose of CIDEBsiRNA (previously known as ALN-CIDEB) rapidly normalized liver fat and improved liver injury markers in patients with metabolic-dysfunction-associated steatotic liver disease (MASLD) with effects that wer