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GLP-1 Decoder

Victoza and Jardiance: Is It Safe? Label, Studies

Often prescribed together; take extra care with fluids and meals when you are sick or eating little.

Verdict
It is fine with care
Label names it
No
General caution
Pills absorbed more slowly

Check a GLP-1 interaction

Victoza facts at a glance

How long it remains in your 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, so half remains after 13 h. Five half-lives (2.7 d) leave about 3%.

Main trial weight loss
Victoza (LEAD-3)2.5 kgPlacebo1.1 kg

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

Sources: FDA label (DailyMed).

Victoza and Jardiance: the verdict

It is fine with care

Exact wording from the Victoza label, drug interactions section:

“VICTOZA causes a delay of gastric emptying, and thereby has the potential to impact the absorption of concomitantly administered oral medications. In clinical pharmacology trials,”

Source: FDA label (DailyMed).

What the Victoza label states

The Victoza label does not name Jardiance (empagliflozin). The following lines still apply to it.

Drug interactions in the Victoza label
Named in the labelThe riskWhat the label tells doctors
Insulin or sulfonylureasLow blood sugarUsing this medicine with insulin or a sulfonylurea, such as glipizide or glimepiride, increases the chance of low blood sugar. Your doctor may lower the doses of those medicines.
Oral medicinesPills absorbed differentlyThis medicine slows stomach emptying, which may affect how other pills are absorbed.

Source: Victoza label (DailyMed).

What the studies show

Source: FDA label (DailyMed).

The practical rule

  1. When food or fluids will not stay down, call your doctor that day.
  2. Tell your GLP-1 prescriber about every pill you use, including this one.
  3. Check with your pharmacist about any pills that need a steady blood level. At the start or after you raise the dose, you may need to have those checked.
  4. In the first weeks, check your blood sugar more often.

Source: FDA label (DailyMed).

Jardiance with other GLP-1s

Jardiance (empagliflozin) does not appear in the drug interaction section of any of the 10 GLP-1 labels. All of the labels share the same general caution on swallowed pills, so this class gets the same answer.

The same question applies here as well: Ozempic, Rybelsus, Mounjaro, Trulicity.

Source: FDA label (DailyMed).