It is a truth universally acknowledged that Lilly and Almirall’s IL-13 inhibitor lebrikizumab, if approved, will have a hard time going up against Sanofi and Regeneron’s Dupixent in atopic dermatitis. But at least the newcomers have a new weapon in their armoury: convenience. Data from the one-year maintenance periods of the pivotal Advocate-1 and 2 trials, toplined today, show lebri performing similarly when dosed every two or four weeks. Dupixent, meanwhile, is given every two weeks. The latest results build on 16-week data from the Advocate studies, which used the two-weekly dosing schedule – and showed lebri just about outdoing Dupixent. It will take a lot to get patients to switch from Dupixent, which is reflected in consensus forecasts from Evaluate Pharma: the sellside expects the Sanofi/Regeneron antibody to bring in $9.3bn in atopic dermatitis in 2028, versus lebri’s $1.5bn the same year. Still, Jefferies analysts reckon that, based on a physician survey, lebri could become the second most-prescribed biologic after Dupixent. But before the challengers can think about launch they will need to get the nod from regulators: Lilly and Almirall are planning filings in the US and Europe respectively later this year.
| Cross-trial comparison of lebrikizumab & Dupixent: proportion of previous responders maintaining EASI-75 at 1 year | |||
|---|---|---|---|
| Lebrikizumab | Q2W | Q4W | |
| Advocate-1 | 79% | 79% | |
| Advocate-2 | 77% | 85% | |
| Dupixent | Q1/2W | Q4W | Q8W |
| Solo-Continue | 72% | 58% | 55% |
| Source: Company release & JAMA Dermatology. https://www.evaluate.com/vantage/articles/news/trial-results-snippets/lebrikizumabs-convenience-edge-emerges | |||
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