Vanda Pharmaceuticals, Inc.’s battles with the US Food and Drug Administration have intensified with the agency’s rejection of its application to extend the indication for Hetlioz (tasimelteon) to treatment of jet lag disorder. The company is bypassing further litigation in district court and appealing the agency’s decision to the US Court of Appeals for the District of Columbia Circuit.
Vanda Appeals FDA’s Denial Of Hetlioz Jet Lag Application As It Is Hit With CRL For Insomnia
Vanda CEO tells the Pink Sheet that the firm is going straight to appellate court to refute agency’s rejection of jet lag indication for Hetlioz. Similar battles may lie ahead over Vanda’s applications on Hetlioz for insomnia and tradipitant for gastroparesis.

More from Approval Standards
A risk-based approach to human cell therapies and tissue-based products could incentivize development and prevent bad actors from taking advantage of the current FDA system.
US FDA Commissioner nominee Martin Makary is being embraced by industry, and Senate Democrats, as a more traditional pick than other Trump Administration nominees, but the Make America Healthy Again agenda still is clearly coming to the agency.
The Pink Sheet's list of EU centralized approvals of new active substances has been updated to include four new products, one of which is Vimkunya, Bavarian Nordic's chikungunya vaccine.
The FDA generic drugs team’s first public workshop of the second Trump Administration ended with a request that industry amplify the value it finds from public engagement.
More from Pathways & Standards
A risk-based approach to human cell therapies and tissue-based products could incentivize development and prevent bad actors from taking advantage of the current FDA system.
Experts working in the advanced therapy space say the US has less strict criteria for regulatory pathways for cell and gene therapies than the EU, particularly for products in early development.
US FDA Commissioner nominee Martin Makary is being embraced by industry, and Senate Democrats, as a more traditional pick than other Trump Administration nominees, but the Make America Healthy Again agenda still is clearly coming to the agency.