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GLP-1 Decoder

Trulicity and Insulin: Is It Safe? Label, Studies

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

Verdict
Fine with care
Label says
Listed interaction

Check a GLP-1 interaction

Trulicity: a quick overview

How long the body retains it
100%50%25%0%05 d10 d15 d20 d25 d50%25%12.5%time after the dose

Its half-life is about 5 days: after 5 d, half is gone, and after five half-lives (25 d), about 3% remains.

Sources: FDA label (DailyMed).

Trulicity and insulin: the verdict

Fine with care

The Trulicity label's drug interactions section states this word for word:

“When initiating TRULICITY, 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).

Statements from the Trulicity label

Regarding insulin, these Trulicity label lines apply.

Drug interactions the Trulicity label lists
Named in the labelThe riskWhat the label tells doctors
Insulin or sulfonylureasLow blood sugarTaking this medicine with insulin or a sulfonylurea such as glipizide or glimepiride raises the risk of low blood sugar.

Source: Trulicity label (DailyMed).

What the studies show

Source: FDA label (DailyMed).

The practical rule

  1. Check your blood sugar more often when you start treatment or change doses.
  2. Check your blood sugar more often during the first weeks and after every dose increase.

Source: FDA label (DailyMed).

Insulin with other GLP-1s

Each label's drug interaction section was checked for the same information.

Insulin across GLP-1 labels
MedicineInsulin in the labelVerdictPage
OzempicNamed in the labelFine with careRead the answer
WegovyNamed in the labelFine with careRead the answer
RybelsusNamed in the labelNot listedNot listed
MounjaroNamed in the labelFine with careRead the answer
ZepboundNamed in the labelFine with careRead the answer
FoundayoNamed in the labelNot listedNot listed
TrulicityNamed in the labelFine with careNot listed
SaxendaNamed in the labelNot listedNot listed
VictozaNamed in the labelFine with careRead the answer
ByettaNamed in the labelNot listedNot listed

Source: FDA label (DailyMed).