Phase 3 results showed the treatment nearly doubled survival for patients with previously treated metastatic pancreatic cancer.
"I want you to be safe. This is a terrible, terrible disease," Trebek said.
"Jeopardy!" returned on Monday night with a powerful tribute to beloved host Alex Trebek the day after his death.
He was a master of the "Jeopardy!" format, engaging in banter with contestants and appearing genuinely pleased when they answered correctly.
'Jeopardy!' confirmed the death of longtime host, Alex Trebek, Sunday morning. Here are some of his most memorable moments.
Since Trebek first announced that he was diagnosed with stage 4 pancreatic cancer, he says he has had good and bad days.