The obesity drug helped people trim about two inches more off their waists than Wegovy in the first head-to-head study of the rival medicines.

A study of two blockbuster weight-loss drugs showed that users of Eli Lilly’s Zepbound lost just over 2 inches more off their waists compared with Novo Nordisk’s rival Wegovy.

The obesity drug helped patients reduce their waist size by an extra two inches compared to those on Novo Nordisk’s Wegovy in a head-to-head study of the two drugs.