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Growth hormone axis

Mecasermin

Also called rhIGF-1, Increlex

InjectableEvidence ATwice a day
Half-life
6hours
Typical vial
40mg
Research amounts
1–3mg

per administration

Common schedule
Twice a day
Tested in people

A human trial worked out how much to take and how often, so a dosing schedule is shown.

Licensed as a medicine in the US and EU.

Work out your draw

These numbers are a starting point — change any of them.

3 mL cartridge · 300 units loaded8units dialled
Concentration
13.33mg/mL
Volume per draw
0.08mL

Requested 0.075 mL

Units to dial
8

Requested 7.5

Doses per cartridge
37

7.5 units is between clicks. The nearest setting is 8, which delivers 1.067 mg instead of 1 mg.

Vial label

Copy this into your label printer.

Published research contexts for Mecasermin describe 13 mg per administration. Descriptive only, not a recommendation.

About 5–6 hours; recombinant IGF-1 given twice daily with food.

Recombinant human IGF-1, dosed by body weight (0.04–0.12 mg/kg twice daily with food); the range shown is a representative per-dose amount, and dosing is titrated to limit hypoglycemia.

Dosing schedule

How Mecasermin is commonly stepped up, for reference only.

These are commonly-discussed research protocols shared for educational reference. This is not medical advice and is not a substitute for guidance from a qualified professional.

PhaseAmountFrequencyRoute
Starting rangeTitrated by body weight; taken with food to limit hypoglycemia.0.04–0.08 mg/kgTwice daily, with foodSubQ
Up toHighest weight-based step on the licensed label.0.12 mg/kgTwice daily, with foodSubQ

Modelled level — twice a day

1× is the peak after a single dose.

Steady-state peak
1.33× single dose

Read off the modelled curve, not an even-interval formula

Time to steady state
30hours

About five half-lives

Administrations
14/ week

Where these numbers come from

  • Mecasermin (Increlex) product literatureRecombinant human IGF-1 licensed for severe primary IGF-1 deficiency; weight-based twice-daily dosing with food, titrated to limit hypoglycemia.

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