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GLP-1 Decoder

Victoza and Insulin: Is It Safe? Label, Studies

Low blood sugar is more likely with insulin; your doctor may lower the insulin dose.

Verdict
Fine, as long as you are careful
Label says
Listed interaction

Check a GLP-1 interaction

Victoza in brief

Time in the body
100%50%25%0%013 h26 h39 h2.2 d2.7 d50%25%12.5%time after the dose

The half-life is about 13 hours: after 13 h, half of it is gone, and after five half-lives (2.7 d) about 3% is left.

Weight loss in the main trial
Victoza (LEAD-3)2.5 kgPlacebo1.1 kg

In LEAD-3, over 52 weeks, people with type 2 diabetes lost 2.5 kg versus 1.1 kg on placebo.

Sources: FDA label (DailyMed).

Victoza and insulin: the verdict

Fine, as long as you are careful

Word for word, the drug interactions section of the Victoza label:

“When initiating VICTOZA, consider reducing the dose of concomitantly administered insulin secretagogues (such as sulfonylureas) or insulin to reduce the risk of hypoglycemia [see Warnings”

Source: FDA label (DailyMed).

What the Victoza label tells you

These Victoza label lines concern insulin

Drug interactions listed in the Victoza label
Named in the labelThe riskWhat the label tells doctors
Insulin or sulfonylureasLow blood sugarLow blood sugar risk goes up when you use it with insulin or a sulfonylurea, including glipizide or glimepiride. Your doctor may lower the doses of these drugs.

Source: Victoza label (DailyMed).

What research shows

Source: FDA label (DailyMed).

A rule you can use

  1. When you start or change doses, check your blood sugar levels more often, and learn the warning signs of low blood sugar.
  2. Test your blood sugar more often during the first weeks and following each dose increase.

Source: FDA label (DailyMed).

Insulin with other GLP-1s

The same point was checked in each label's drug interaction section.

Insulin across GLP-1 labels
MedicineInsulin in the labelVerdictPage
OzempicNamed in the labelFine, as long as you are carefulRead the answer
WegovyNamed in the labelFine, as long as you are carefulRead the answer
RybelsusNamed in the labelNot listedNot listed
MounjaroNamed in the labelFine, as long as you are carefulRead the answer
ZepboundNamed in the labelFine, as long as you are carefulRead the answer
FoundayoNamed in the labelNot listedNot listed
TrulicityNamed in the labelFine, as long as you are carefulRead the answer
SaxendaNamed in the labelNot listedNot listed
VictozaNamed in the labelFine, as long as you are carefulNot listed
ByettaNamed in the labelNot listedNot listed

Source: FDA label (DailyMed).