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US FDA approves Lilly’s once-weekly insulin injection for type 2 diabetes

By Thomson Reuters Sep 24, 2026 | 6:29 AM

Sept 24 (Reuters) – The US Food and Drug Administration has approved Eli Lilly’s once-weekly basal insulin, Onswik, for adults with type 2 diabetes, the ​drugmaker said on Thursday, offering patients an alternative ‌to daily long-acting insulin injections.

Here are some details:

• Onswik, chemically known as insulin efsitora alfa-gobe, is intended to be used alongside diet and exercise to control high blood sugar.

• The once-weekly ‌treatment ​could reduce the number of injections ⁠by more than 300 ⁠per year compared with once-daily basal insulin, Lilly said.

• Lilly said Onswik would be available in the United States in the coming months as a pre-filled ​KwikPen in two concentrations – 500 units per milliliter and 1,000 units per milliliter.

• The regulatory approval was ⁠based on a late-stage trial, ⁠which enrolled more than 3,400 adults with ​type 2 diabetes across four studies.

• Onswik met the main ​goal in each study, showing reductions in A1C, ‌a measure of blood sugar, that were not inferior to the daily basal insulins glargine.

• Insulin glargine, sold under brands such as Sanofi’s Lantus and Lilly’s Basaglar, ⁠is a long-acting, man-made insulin used to control blood sugar in type 1 and type 2 diabetes patients.

• Lilly said ⁠Onswik should not ‌be used in patients with type ⁠1 diabetes because of an increased risk ​of ‌severe hypoglycemia, or dangerously low blood sugar.

• ​Onswik has ⁠previously received regulatory approvals in Europe, Japan and Mexico.

• In March, US FDA approved Novo Nordisk’s insulin injection, Awiqli, to control blood sugar levels in adults living with type 2 diabetes.

(Reporting by Siddhi Mahatole in Bengaluru; Editing ​by Shailesh Kuber)