USFDA Says No Clinical Need to Compound GLP-1 Drugs, Novo Nordisk, Eli Lilly Stocks Jump
New York: The U.S. Food and Drug Administration (USFDA) on Thursday proposed excluding Novo Nordisk and Eli Lilly's weight-loss drugs from a key compounding list, potentially limiting large-scale production by outsourcing facilities.
If finalized, the move could impact telehealth firms that rely on outsourcing facilities to produce these drugs in bulk, while bolstering Novo and Lilly's efforts against unauthorized versions that are eating into sales of their blockbuster treatments.
U.S.-listed shares of Novo rose nearly 6%, while Lilly surged more than 10% in afternoon trading.
The regulator said on Thursday it found no clinical need for outsourcing facilities to compound semaglutide, the active ingredient of Novo's Wegovy and Ozempic, and tirzepatide, sold as Zepbound and Mounjaro by Lilly, from bulk drug substances.The proposal also includes Novo's older molecule liraglutide.
Lilly and Novo commended the FDA's confirmation that there is no clinical need to compound these drugs.
"That means there is no basis for compounders to make tirzepatide knockoffs," a spokesperson for Lilly told Reuters.
"The agency's notice today reaffirms that compounding is meant to be a rare and limited exception to FDA's gold-standard drug approval framework," a Novo spokesperson said.
Compounding, in which pharmacies mix ingredients for specialized medicines or to copy a drug but at different dosages, has flourished as Americans chase more affordable options. It is legal in certain circumstances, such as a drug shortage or when prescribed by a physician to address patient side-effects.
The FDA was reviewing nominations for the so-called 503B bulks list, which identifies drug ingredients that outsourcing facilities may use in compounding.
Section 503B of the Federal Food, Drug, and Cosmetic Act allows FDA-regulated outsourcing facilities to produce compounded medicines in bulk for healthcare providers, often without patient-specific prescriptions. Section 503A allows state-licensed physicians and pharmacists to compound medicines for individual patients under state oversight.
Many telehealth firms, including Hims & Hers, offer compounded medicines tailored to individual patients through 503A pharmacies, while also relying on 503B outsourcing facilities to produce them at scale.
A Hims & Hers spokesperson told Reuters the company does not expect any impact on its business from the FDA's proposal, saying, "There are no GLP-1s compounded by 503B facilities accessible through our platform, and 503B facilities should not currently be compounding GLP-1s because they are not in shortage."
Most telehealth companies use 503A pharmacies to fill their personalized compounded doses, said Rosalie Hoyle, a research scientist at health consultancy Avalere, adding the exclusion from the 503B bulks list may not operationally impact current compounding of GLP-1 drugs.
The FDA has invited public comment on the proposal until June 29, before the agency issues its final decision.
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