Half-life estimate, not bloodwork or dosing advice. Disclaimer.
Trulicity. Weekly GLP-1 with a ~5 day half-life, similar ballpark to tirzepatide.
The default row models 0.750 mg as a subcutaneous dose, weekly, for 8 weeks.
Also called Dulaglutide.
| Half-life | 5d |
|---|---|
| Time to peak | 2d |
| Parent hormone | 100% |
| Default dose | 0.750 mg |
| Default frequency | Weekly |
| Default duration | 8 weeks |
On that default row the model counts 8 doses. Steady state is about day 25. Washout runs to about day 27. In the last interval the peak is 1.21 mg and the trough is 0.603 mg, a swing of 50%.
A half-life of 5d means a dose is still present at the next one, so the line climbs and then levels off.
Ozempic has a half-life of 7d against 5d on this page.
FDA Trulicity label: terminal half-life ~5 days. How the model works.