secwatch.observer — SEC 8-K summary ====================================== Issuer: Vanda Pharmaceuticals Inc. (VNDA) CIK: 0001347178 Form: 8-K Filed at: 2026-01-08T23:59:59+00:00 Accession: 0001628280-26-001273 Event type: regulatory Sentiment: negative Materiality: 0.85 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 FDA rejects Vanda's HETLIOZ sNDA for jet lag disorder after expedited re-review ------------------------------------------------------------------------------- - FDA concluded sNDA cannot be approved in current form, citing phase advance protocols not sufficiently analogous to actual jet travel. - FDA acknowledged positive efficacy from controlled trials but said data do not provide substantial evidence of effectiveness. - Vanda respectfully disagrees and will pursue all appropriate avenues for approval; notes prior D.C. Circuit ruling set aside FDA refusal. - Expedited re-review was completed by Jan 7, 2026 under collaborative framework agreement from October 2025. - HETLIOZ (tasimelteon) currently approved for non-24-hour sleep-wake disorder; jet lag would be new indication. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1347178/000162828026001273/0001628280-26-001273-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1347178/000162828026001273/vnda-20260107.htm HTML page: https://secwatch.observer/filing/0001628280-26-001273 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer