A previous n = 1 with T1D case study [40] evaluated glycemic outcomes before and after the onset of pancreatic enzyme replacement therapy (PERT), showing that untreated EPI likely contributes to above-range glycemic excursions post-prandially, even with automated insulin delivery (AID) and above-goal overall TIR and ideal HbA1c. Here, INS is linked to type 1 diabetes mellitus.