secwatch.observer — SEC 8-K summary ====================================== Issuer: REGENXBIO Inc. (RGNX) CIK: 0001590877 Form: 8-K Filed at: 2022-02-14T23:59:59+00:00 Accession: 0001193125-22-039357 Event type: other_material Sentiment: positive Materiality: 0.75 Item codes: 7.01, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 REGENXBIO RGX-314 Phase II ALTITUDE: 47% patients achieve ≥2-step DRSS improvement at 6 months vs 0% control -------------------------------------------------------------------------------- - 47% of RGX-314 patients in Cohort 1 showed ≥2-step DRSS improvement at 6 months vs 0% control; up from 33% at 3 months. - No drug-related serious adverse events or intraocular inflammation in 15 patients at 6 months; therapy well tolerated. - Among NPDR patients (severity 47-53), 57% achieved ≥2-step improvement; among PDR patients, 38% achieved improvement. - Enrollment ongoing for Cohorts 2 (5x10^11 GC/eye) and 3 (NAb-positive patients) with no prophylactic corticosteroid use. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1590877/000119312522039357/0001193125-22-039357-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1590877/000119312522039357/d312888d8k.htm HTML page: https://secwatch.observer/filing/0001193125-22-039357 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer