secwatch.observer — SEC 8-K summary ====================================== Issuer: Aldeyra Therapeutics, Inc. (ALDX) CIK: 0001341235 Form: 8-K Filed at: 2023-10-16T23:59:59+00:00 Accession: 0001193125-23-256532 Event type: regulatory Sentiment: negative Materiality: 0.90 Item codes: 8.01 LLM model: deepseek-v4-flash:cloud@v2 Aldeyra: FDA may not approve reproxalap NDA by Nov 23 PDUFA; additional trial needed -------------------------------------------------------------------------------- - FDA late-cycle review states reproxalap lacks data to support clinical relevance of ocular signs for dry eye. - FDA indicated Aldeyra needs to conduct an additional clinical trial to satisfy efficacy requirements. - Based on review timeline, FDA may issue Complete Response Letter and not approve by Nov 23, 2023 PDUFA date. - Aldeyra submitted responses to mitigate issues, but FDA has not opined on sufficiency and has no obligation to review. - Reproxalap NDA accepted in Feb 2023; approval now uncertain, requiring more resources and time. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1341235/000119312523256532/0001193125-23-256532-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1341235/000119312523256532/d760002d8k.htm HTML page: https://secwatch.observer/filing/0001193125-23-256532 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer