Back in the early days of the 20th Century, the armies of both Great Britain and the US developed and considered using .45 "Manstopper" bullets. But the final decision was that there was little benefit in doing so.
Regarding the US manstopper bullet, it involved the .45 revolver round. Development began in 1906, and both lead bullets and jacketed bullets were considered. Designs included 230 and 250 grain bullets with large cavities in the nose, and longitudinal cuts in bullet jackets. The project was abandoned in 1907, never to be re-started. So far as I am aware, no "manstopper" bullet designs were ever considered for the .45 ACP.
Of course, the Hague Convention protocols now prohibit use of expanding bullets in combat, and have for quite some time.