BIF is a fusion protein combining a novel single chain insulin variant with a human IgG Fc domain.
Three randomized, open-label, treat-to-target phase 2 studies of 26 or 32 week duration assessed 912 people with T2D previously treated with basal insulin (T2D-Switch) or new to insulin therapy (T2D-Naïve), or T1D on multiple daily injections (T1D). Studies assessed QW BIF vs once daily DEG. Key results were previously disclosed and met the primary endpoint of non-inferiority in HbA1c change from baseline (non-inferiority margin=0.4%). Two studies had CGM during entire study and T2D-Naïve had blinded, intermittent CGM using 14-day sessions.
Patients had baseline HbA1c of 8.1, 8.0, and 7.5% for T2D-Switch, T2D-Naïve, and T1D respectively. Figure shows average hourly mean glucose at endpoint and time in range (inset). Glucose profiles appeared comparable between treatments with 24-hour average glucose for BIF vs DEG in T2D-Naïve: 137 vs 127 mg/dL p=.042 and T1D: 175 vs 169 p=.075 (T2D-Switch not available). Average duration of hypoglycemia, <70mg/dL (min) per patient for BIF vs DEG: T2D-Switch 31 vs 35 p=NS, T2D-Naïve 51 vs 91 p<.001, and T1D 35 vs 35 p=NS.
QW BIF achieved similar glycemic control vs DEG as seen in several CGM derived measures providing useful and reassuring insights into the use of QW BIF in these patient populations.
C.M.Kazda: Employee; Eli Lilly and Company. J.M.Bue-valleskey: Employee; Eli Lilly and Company. Q.Zhang: Employee; Eli Lilly and Company, Stock/Shareholder; Eli Lilly and Company. A.Haupt: Employee; Lilly, Stock/Shareholder; Lilly. J.P.Frias: Advisory Panel; Becton, Dickinson and Company, Pfizer Inc., Sanofi, Consultant; Akero Therapeutics, Inc., 89bio, Inc., Aimmune, Boehringer Ingelheim Inc., Eli Lilly and Company, Carmot Therapeutics, Inc., Echosens, Merck & Co., Inc., Metacrine, Inc., Novo Nordisk, Pfizer Inc., Sanofi, Employee; Ionis Pharmaceuticals, Research Support; Akero Therapeutics, Inc., 89bio, Inc., Altimmune, Axcella Health Inc., Boehringer Ingelheim Inc., Eli Lilly and Company, Intercept Pharmaceuticals, Inc., Carmot Therapeutics, Inc., Janssen Pharmaceuticals, Inc., Madrigal Pharmaceuticals, Inc., Merck & Co., Inc., Metacrine, Inc., Novo Nordisk, Oramed Pharmaceuticals, Novartis, Pfizer Inc., Sanofi, Speaker's Bureau; Eli Lilly and Company, Sanofi. D.Dahl: Research Support; Lilly, Novo Nordisk, Eli Lilly and Company, Boehringer Ingelheim Inc., Amgen Inc.
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