On November 5, 2025, the American Hospital Association highlighted new research tracking a major shift in state policy: more states are banning prior authorization requirements in private health plans for medications used to treat opioid use disorder (OUD). The Health Affairs study (published November 3, 2025) found that from 2015 to 2023, the number of states with these prohibitions grew from two to 22, reflecting rising urgency to remove administrative barriers that can delay time-sensitive treatment.