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How does Trulicity work?

Medically reviewed by Carmen Pope, BPharm. Last updated on Sep 26, 2024.

Official answer

by Drugs.com
  • Trulicity mimics the action of GLP-1, a naturally occurring hormone that helps to regulate blood glucose levels.
  • It binds to GLP-1 receptors, stimulating insulin secretion and lowering glucagon secretion from the liver. It also slows stomach emptying.
  • Trulicity is given by subcutaneous injection, once a week.

Trulicity (dulaglutide) mimics the action of GLP-1, a naturally occurring hormone that helps to regulate blood glucose levels. It may be used to treat type 2 diabetes in adults and to reduce the risk of major adverse cardiovascular events (such as a heart attack or stroke) in adults with type 2 diabetes who already have cardiovascular disease or are at high risk of cardiovascular disease.

Trulicity contains 90% of the same amino acid sequence as naturally occurring GLP-1. This enables it to bind to and activate GLP-1 receptors, which stimulates insulin secretion and lowers glucagon secretion when blood glucose levels are high. It also causes a slowing down in how fast the stomach empties.

Trulicity is given by subcutaneous (under the skin) injection into your stomach, thighs, or upper arm, once a week and may be used for the treatment of type 2 diabetes. Trulicity does not work for type 1 diabetes.

Trulicity is not a form of insulin. It relies on people still having some functioning beta cells – these are the cells in the pancreas that produce, store, and release insulin.

Trulicity belongs to the class of medicines known as GLP-1 receptor agonists. It may also be called an incretin mimetic.

References

Read next

Trulicity vs Ozempic: Which is right for you?

Trulicity and Ozempic are both injectable medications used to treat type 2 diabetes. The active ingredient in Trulicity is dulaglutide, and for Ozempic, it is semaglutide. While Trulicity and Ozempic belong to the same drug class called GLP-1 receptor agonists and have the same mechanism of action, they differ in their structure, the way they are processed by the body and their clinical effects. Research has shown that Ozempic is more effective than Trulicity in lowering blood sugar levels and decreasing weight, but lower dosages of Ozempic may have a higher risk of side effects compared to lower dosages of Trulicity. Continue reading

Does Trulicity cause weight loss?

Trulicity is not a weight loss drug, but some people may lose weight. People lost, on average, two to six pounds while taking Trulicity. However, 15 to 30% gained weight. Continue reading

Does Trulicity need to be refrigerated?

Trulicity should be stored in a refrigerator until you need to use it.

You can leave Trulicity out of a refrigerator for up to 14 days and still use it. Continue reading

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