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Rare-disease therapeutics face viability challenges due to small patient populations and drug-development and regulatory frameworks that were not developed to address rapidly progressive or quickly fatal conditions. Because the majority of rare diseases are genetic in nature, gene-editing modalities offer substantial promise. This Scientific Exchange, co-hosted by the Alliance for Regenerative Medicine, the International Society for Cell and Gene Therapy, and Danaher Corporation in November 2024, set out to address the challenge of realizing the full promise of gene editing for rare-disease therapies by advancing platforms that leverage stable and reusable processes or components to develop multiple therapies. Through multi-stakeholder engagement and discussions of case studies in CRISPR/Cas nuclease, base, and prime editing, 4 key opportunities emerged that deliver value by holding platform elements constant and/or streamlining development steps: (1) consistent delivery vehicle; (2) consistent manufacturing; (3) benefit-risk appropriate quality requirements; and (4) expansive clinical trial designs. Together, these opportunities could yield up to 5-fold efficiency gains and result in substantial value creation for patients, regulators, and developers, potentially decreasing the time required to dose patients with a new gene-editing therapy from years down to 6 months.