Eli Lilly says closely watched combo obesity regimen boosts weight loss in mid-stage trial

Lilly said it plans to start Phase 3 trials on the combo regimen adding its amylin drug eloralintide to tirzepatide at the end of the year.

Eli Lilly says closely watched combo obesity regimen boosts weight loss in mid-stage trial

TL;DR

  • Eli Lilly's combination therapy of eloralintide and tirzepatide showed greater weight loss than tirzepatide alone in a mid-stage trial.
  • The combo regimen resulted in an average weight loss of up to 23.3%, compared to 14.8% for tirzepatide alone.
  • The combination treatment also improved A1C levels more effectively than either drug individually.
  • A higher percentage of patients on the combo regimen discontinued treatment due to side effects, primarily gastrointestinal.
  • Lilly plans to adjust dosing and advance the combination therapy into Phase 3 trials by the end of the year.
  • The company is also developing a co-formulation for a single injection of both drugs.
  • The combination targets three hormone pathways: GLP-1, GIP, and amylin.