Dona Ferentes
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GLP-1 agonists: Diabetes drugs and weight loss
Are there any type 2 diabetes drugs that can help people lose weight and lower their blood sugar? Are there side effects?
.There's a class of type 2 diabetes drugs that not only improves blood sugar control but may also lead to weight loss. This class of drugs is commonly called glucagon-like peptide 1 (GLP-1) agonists.
Weight loss can vary depending on which GLP-1 drug you use and your dose. Studies have found that all GLP-1 drugs can lead to weight loss of about 10.5 to 15.8 pounds (4.8 to 7.2 kilograms, or kg) when using liraglutide. Studies found people using semaglutide and making lifestyle changes lost about 33.7 pounds (15.3 kilograms) versus 5.7 pounds (2.6 kilograms) in those who didn't use the drug.
Diabetes drugs in the GLP-1 agonists class are generally taken by a shot (injection) given daily or weekly and include:
- Dulaglutide (Trulicity) (weekly)
- Exenatide extended release (Bydureon bcise) (weekly)
- Exenatide (Byetta) (twice daily)
- Semaglutide (Ozempic) (weekly)
- Liraglutide (Victoza, Saxenda) (daily)
- Lixisenatide (Adlyxin) (daily)
- Semaglutide (Rybelsus) (taken by mouth once daily)
Lower blood sugar levels are helpful for controlling type 2 diabetes. But it's not clear how the GLP-1 drugs lead to weight loss. Doctors do know that GLP-1s appear to help curb hunger. These drugs also slow the movement of food from the stomach into the small intestine. As a result, you may feel full faster and longer, so you eat less.
Along with helping to control blood sugar and boost weight loss, GLP-1s and SGLT-2 inhibitors seem to have other major benefits. Research has found that some drugs in these groups may lower the risk of heart disease, such as heart failure, stroke and kidney disease. People taking these drugs have seen their blood pressure and cholesterol levels improve. But it's not clear whether these benefits are from the drug or the weight loss.
The downside to GLP-1 drugs is that all but one has to be taken by a shot. And, like any drug, there is a risk of side effects, some serious. More common side effects often improve as you continue to take the drug for a while.
Some of the more common side effects include:
- Nausea
- Vomiting
- Diarrhea
GLP-1 class of drugs isn't recommended if you have a personal or family history of medullary thyroid cancer or multiple endocrine neoplasia. Lab studies have linked these drugs with thyroid tumors in rats. But until more long-term studies are done, the risk to humans isn't known. They're also not recommended if you've had pancreatitis. The drugs already discussed are indicated in people living with type 2 diabetes. There is also a drug that has a higher dose of liraglutide (Saxenda) that's approved for the treatment of obesity in people who don't have diabetes.