{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-088527","form_type":"8-K","ticker":"DCTH","cik":"0000872912","company_name":"DELCATH SYSTEMS, INC.","filed_at":"2026-03-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:37.866491+00:00","generated_at":"2026-05-15T22:28:14.075579+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Delcath's CHOPIN trial published: PHP+immunotherapy shows 54.7% vs 15.8% 1-year PFS","bullets":["1-year PFS 54.7% vs 15.8% (adjusted HR 0.34; p=0.0002); median PFS 12.8 vs 8.3 months.","Median OS 23.1 vs 19.6 months (HR 0.39; p=0.0065); 2-year OS 49.6% vs 22.1%.","Objective response rate 76.3% vs 39.5%; complete response rate 13% vs 3%.","Grade ≥3 treatment-related AEs 82% (combo) vs 41% (PHP alone); one treatment-related death in combo arm."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-088527","json":"https://secwatch.observer/filing/0001193125-26-088527.json","markdown":"https://secwatch.observer/filing/0001193125-26-088527.md","text":"https://secwatch.observer/filing/0001193125-26-088527.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/872912/000119312526088527/0001193125-26-088527-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/872912/000119312526088527/d16781d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T22:28:14.075579+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}