Pemigatinib in Subjects With Adenosquamous Carcinoma of the Pancreas

"Pemigatinib 4.5 mg tablets taken 3 times per day \[daily dose of 13.5 mg (3 tablets)\] for 14 consecutive days followed by 7 days off medication in 21-day cycles~Doses will be self-administered at home. Participants will be instructed to take study medication at the same time each day, with or without food."