Shares of ResMed and Inspire Medical Systems fell after the FDA approved Eli Lilly's weight-loss drug Zepbound to treat moderate-to-severe obstructive sleep apnea in adults with obesity.

The drug was launched in the U.S. back in 2023 to treat obesity.

Eli Lilly (LLY) announced today that its blockbuster weight-loss drug Zepbound was approved by the U.S. Food and Drug Administration (FDA) as the first prescription drug to help alleviate moderate-to-severe obstructive sleep apnea (OSA) for adults with obesity.

The Food and Drug Administration on Friday approved Eli Lilly’s weight-loss drug Zepbound to treat sleep apnea, a common but potentially serious sleep-related breathing disorder, marking it the first medication for certain patients with the condition.

Eli Lilly & Co.’s weight-loss shot Zepbound won approval in the US as the first drug to treat sleep apnea, opening the door for broader insurance coverage of the blockbuster medicine.