Trebek announced that he had been diagnosed with the aggressive cancer in March, but continued to film the latest season while undergoing treatment.
"They haven't seen this kind of positive results in their memory," Trebek told the magazine.
Trebek's cancer battle is featured as the magazine's cover story this week.
He did say that the cancer is not in full remission and he still has more chemotherapy treatments ahead of him, People magazine reported.
The American Cancer Society found that the 5-year relative survival rate for the type of cancer that Trebek has, stage IV pancreatic cancer, is about 3%, The Associated Press reported.
In March, during the announcement, Trebek said of his diagnosis, "Now normally, the prognosis for this is not very encouraging, but I'm going to fight this, and I'm going to keep working," he said. "And with the love and support of my family and friends and with the help of your prayers also, I plan to beat the low survival rate statistics for this disease. Truth told, I have to! Because under the terms of my contract, I have to host 'Jeopardy!' for three more years! So help me. Keep the faith and we'll win. We'll get it done."
Credit: Chris Pizzello/Invision/AP, File
Credit: Chris Pizzello/Invision/AP, File
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