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The hugely popular weight loss agent semaglutide (approved as Wegovy for weight loss; Ozempic for type 2 diabetes; Novo Nordisk) received a pair of drug safety–related labeling additions from the Food and Drug Administration in late September for the Ozempic formulation.

The FDA added a warning to the drug-interaction section of the Ozempic label that reiterates a warning that is already in place in other label sections, reinforcing the message that the glucagon-like peptide-1 (GLP-1) receptor agonist Ozempic can potentially interact with the action of certain other agents to increase a person’s risk for hypoglycemia.

The added text says: “Ozempic stimulates insulin release in the presence of elevated blood glucose concentrations. Patients receiving Ozempic in combination with an insulin secretagogue (for instance, sulfonylurea) or insulin may have an increased risk of hypoglycemia, including severe hypoglycemia.”

This text was already included in both the “Warning and Precautions” and the “Adverse Reactions” sections of the label. The warning also advises, “The risk of hypoglycemia may be lowered by a reduction in the dose of sulfonylurea (or other concomitantly administered insulin secretagogue) or insulin. Inform patients using these concomitant medications of the risk of hypoglycemia and educate them on the signs and symptoms of hypoglycemia.”

Reports of ileus episodes after approval

The second addition concerns a new adverse reaction that was identified during the postmarketing experience.

The FDA has received more than 8,500 reports of gastrointestinal issues among patients prescribed glucagon-like peptide-1 (GLP-1) receptor agonists. Ileus is mentioned in 33 cases, including two deaths, associated with semaglutide. The FDA stopped short of saying there is a direct link between the drug and intestinal blockages.

“Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure,” the FDA stated in its approval of the label update.

The same warning for the risk of intestinal blockages is already listed on the labels for tirzepatide (Mounjaro, Lilly) and semaglutide injection 2.4 mg (Wegovy, Novo Nordisk).

The label change comes after a Louisiana woman filed a lawsuit in August that claims she was “severely injured” after using Mounjaro and Ozempic. She claimed the drug makers failed to disclose risks of vomiting and diarrhea due to inflammation of the stomach lining, as well as the risk of gastroparesis.

*Correction, 10/3/23: An earlier version of this article misstated the semaglutide formulation that received the updates. 

A version of this article first appeared on Medscape.com.

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The hugely popular weight loss agent semaglutide (approved as Wegovy for weight loss; Ozempic for type 2 diabetes; Novo Nordisk) received a pair of drug safety–related labeling additions from the Food and Drug Administration in late September for the Ozempic formulation.

The FDA added a warning to the drug-interaction section of the Ozempic label that reiterates a warning that is already in place in other label sections, reinforcing the message that the glucagon-like peptide-1 (GLP-1) receptor agonist Ozempic can potentially interact with the action of certain other agents to increase a person’s risk for hypoglycemia.

The added text says: “Ozempic stimulates insulin release in the presence of elevated blood glucose concentrations. Patients receiving Ozempic in combination with an insulin secretagogue (for instance, sulfonylurea) or insulin may have an increased risk of hypoglycemia, including severe hypoglycemia.”

This text was already included in both the “Warning and Precautions” and the “Adverse Reactions” sections of the label. The warning also advises, “The risk of hypoglycemia may be lowered by a reduction in the dose of sulfonylurea (or other concomitantly administered insulin secretagogue) or insulin. Inform patients using these concomitant medications of the risk of hypoglycemia and educate them on the signs and symptoms of hypoglycemia.”

Reports of ileus episodes after approval

The second addition concerns a new adverse reaction that was identified during the postmarketing experience.

The FDA has received more than 8,500 reports of gastrointestinal issues among patients prescribed glucagon-like peptide-1 (GLP-1) receptor agonists. Ileus is mentioned in 33 cases, including two deaths, associated with semaglutide. The FDA stopped short of saying there is a direct link between the drug and intestinal blockages.

“Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure,” the FDA stated in its approval of the label update.

The same warning for the risk of intestinal blockages is already listed on the labels for tirzepatide (Mounjaro, Lilly) and semaglutide injection 2.4 mg (Wegovy, Novo Nordisk).

The label change comes after a Louisiana woman filed a lawsuit in August that claims she was “severely injured” after using Mounjaro and Ozempic. She claimed the drug makers failed to disclose risks of vomiting and diarrhea due to inflammation of the stomach lining, as well as the risk of gastroparesis.

*Correction, 10/3/23: An earlier version of this article misstated the semaglutide formulation that received the updates. 

A version of this article first appeared on Medscape.com.

The hugely popular weight loss agent semaglutide (approved as Wegovy for weight loss; Ozempic for type 2 diabetes; Novo Nordisk) received a pair of drug safety–related labeling additions from the Food and Drug Administration in late September for the Ozempic formulation.

The FDA added a warning to the drug-interaction section of the Ozempic label that reiterates a warning that is already in place in other label sections, reinforcing the message that the glucagon-like peptide-1 (GLP-1) receptor agonist Ozempic can potentially interact with the action of certain other agents to increase a person’s risk for hypoglycemia.

The added text says: “Ozempic stimulates insulin release in the presence of elevated blood glucose concentrations. Patients receiving Ozempic in combination with an insulin secretagogue (for instance, sulfonylurea) or insulin may have an increased risk of hypoglycemia, including severe hypoglycemia.”

This text was already included in both the “Warning and Precautions” and the “Adverse Reactions” sections of the label. The warning also advises, “The risk of hypoglycemia may be lowered by a reduction in the dose of sulfonylurea (or other concomitantly administered insulin secretagogue) or insulin. Inform patients using these concomitant medications of the risk of hypoglycemia and educate them on the signs and symptoms of hypoglycemia.”

Reports of ileus episodes after approval

The second addition concerns a new adverse reaction that was identified during the postmarketing experience.

The FDA has received more than 8,500 reports of gastrointestinal issues among patients prescribed glucagon-like peptide-1 (GLP-1) receptor agonists. Ileus is mentioned in 33 cases, including two deaths, associated with semaglutide. The FDA stopped short of saying there is a direct link between the drug and intestinal blockages.

“Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure,” the FDA stated in its approval of the label update.

The same warning for the risk of intestinal blockages is already listed on the labels for tirzepatide (Mounjaro, Lilly) and semaglutide injection 2.4 mg (Wegovy, Novo Nordisk).

The label change comes after a Louisiana woman filed a lawsuit in August that claims she was “severely injured” after using Mounjaro and Ozempic. She claimed the drug makers failed to disclose risks of vomiting and diarrhea due to inflammation of the stomach lining, as well as the risk of gastroparesis.

*Correction, 10/3/23: An earlier version of this article misstated the semaglutide formulation that received the updates. 

A version of this article first appeared on Medscape.com.

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