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Montana takes next step on experimental therapies
July 29, 2026/

Rules for SB 535 are now in place, clearing the way for review boards and treatment centers to begin evaluating post-Phase 1 therapies.
After more than a year of anticipation, Montana’s most closely watched longevity law has moved from legislation to implementation.
Montana’s ambitious effort to reshape access to experimental medicine has reached a new milestone. The rules governing Senate Bill 535 have now been formally adopted, allowing the state’s new framework for experimental treatment review boards (ETRBs) and experimental treatment centers (ETCs) to begin operating.



