Pedplot

Saxenda plotter

Half-life estimate, not bloodwork or dosing advice. Disclaimer.

t½ 0.5dTmax 0.5d100% parent

To step a dose up, add another row of the same compound with a later start day. The chart is remaining active amount, not serum concentration.

Peaks, troughs, and half-life
Estimated remaining active mg. Washout continues after the last dose. Mixed IU and mg protocols are not summed.

Liraglutide

Peak

2.49 mg

Trough

1.31 mg

Swing

47%

~Steady state

2.7d

~Washout

3.2d

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How to read this chart

Saxenda / Victoza. ~13 hour half-life, so it is daily — a useful contrast to weekly semaglutide.

The default row models 1.80 mg as a subcutaneous dose, daily (ed), for 8 weeks.

Also called Victoza, Lira, Liraglutide.

The numbers

Half-life0.5d
Time to peak0.5d
Parent hormone100%
Default dose1.80 mg
Default frequencyDaily (ED)
Default duration8 weeks

What the default curve does

On that default row the model counts 56 doses. Steady state is about day 2.7. Washout runs to about day 3.2. In the last interval the peak is 2.49 mg and the trough is 1.31 mg, a swing of 47%.

How often a dose is still there

A half-life of 0.5d means each dose has mostly cleared before the next daily dose, so the line is a row of spikes.

Closest comparison

Ozempic has a half-life of 7d against 0.5d on this page.

Where the number comes from

FDA Victoza/Saxenda labels: elimination half-life ~13 hours. How the model works.