HISA immediately held an emergency summit and recommended that the meeting be paused after consulting industry experts, veterinarians and trainers.

Source: https://houstonianonline.com/the-commission-found-no-single-factor-in-the-deaths-of-horses-at-churchill-downs-further-examination-is-suggested/

In the aftermath of that move, industry leaders are defending and praising HISA for making progress in improving the welfare of horses and the people around them.

Source: https://federalnewsnetwork.com/sports-news/2023/09/horseracing-integrity-and-safety-authority-says-progress-is-being-made-in-the-sport/

The deaths at Churchill Downs put the sport at what HISA CEO Lisa Lazarus called a "crossroads," given the amount of negative attention.

Source: https://rapidcityjournal.com/sports/professional/no-longer-the-sport-of-kings-horse-racing-faces-challenges/article_554b9bbb-3041-5f72-9537-647f8cab2905.html

The Horseracing Safety and Integrity Authority (HISA) established uniform national regulations that went into effect last July and an Antidoping and Medication Control Program begins this week after being delayed due to legal challenges.

Source: https://www.timesleader.com/sports/1609290/david-jolley-what-if-the-churchill-downs-catastrophe-happened-in-another-sport

With HISA drug-testing standards having been delayed until after the Derby, and post-mortems revealing little, trainer doping suspicions have continued to swirl.

Source: https://www.salon.com/2023/06/10/horse-kentucky-derby-belmont-stakes-2023/