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. 2021 Sep 27;23(12):2785–2794. doi: 10.1111/dom.14536

TABLE 1.

Summary of the trial designs of PIONEER 1, 3, 4 and 8 8 , 10 , 11 , 15

Trial (N) Treatment arms Key inclusion criteria Trial duration Primary/secondary efficacy endpoint
PIONEER 1 (global: 703; Japan: 116)
  • Oral semaglutide 3 mg

  • Oral semaglutide 7 mg

  • Oral semaglutide 14 mg

  • Placebo

  • Receiving diet and exercise therapy

  • HbA1c 7.0% to 9.5% (53 mmol/mol to 80 mmol/mol)

  • 26 weeks

  • Change in HbA1c from baseline to week 26

  • Change in body weight from baseline to week 26

PIONEER 3 (global: 1864; Japan: 207)
  • Oral semaglutide 3 mg

  • Oral semaglutide 7 mg

  • Oral semaglutide 14 mg

  • Sitagliptin 100 mg

  • Treated with metformin ± SU

  • HbA1c 7.0% to 10.5% (53 mmol/mol to 91 mmol/mol)

  • 78 weeks

  • Change in HbA1c from baseline to week 26

  • Change in body weight from baseline to week 26

PIONEER 4 (global: 711; Japan: 75)
  • Oral semaglutide 14 mg

  • Liraglutide 1.8 mg s.c.

  • Placebo

  • Treated with metformin ± SGLT2i

  • HbA1c 7.0% to 9.5% (53 mmol/mol to 80 mmol/mol)

  • 52 weeks

  • Change in HbA1c from baseline to week 26

  • Change in body weight from baseline to week 26

PIONEER 8 (global: 731; Japan: 194)
  • Oral semaglutide 3 mg

  • Oral semaglutide 7 mg

  • Oral semaglutide 14 mg

  • Placebo

  • Treated with insulin a ± metformin

  • HbA1c 7.0% to 9.5% (53 mmol/mol to 80 mmol/mol)

  • 52 weeks

  • Change in HbA1c from baseline to week 26

  • Change in body weight from baseline to week 26

Abbreviations: HbA1c, glycated haemoglobin; N, number of randomized patients in the specified patient population; s.c., subcutaneous; SGLT2i, sodium‐glucose cotransporter‐2 inhibitor; SU, sulphonylurea.

a

Basal, basal‐bolus or premixed insulin.