The Panthers (1-1) led 37-29 at halftime thanks to 7-of-15 (46.7 percent) shooting from 3-point range and a 14-5 run to end the first half. Georgia State also benefited from 26 bench points in the first half compared to five for the Trojans.
Levan Patsatsia led the Trojans (1-2) with a game-high 22 points, but it wasn't enough as Troy shot 21 for 53 (39.6 percent) from the field as a team and 19 of 37 (51.4 percent) from the free-throw line.
The Panthers led by as many as 18 points, 49-31, with 15:09 remaining in the game.
Will Weathers added 14 points for the Trojans in the loss.