secwatch.observer — SEC 8-K summary ====================================== Issuer: PTC THERAPEUTICS, INC. (PTCT) CIK: 0001070081 Form: 8-K Filed at: 2023-06-21T23:59:59+00:00 Accession: 0001070081-23-000036 Event type: other_material Sentiment: positive Materiality: 0.80 Item codes: 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 PTC Therapeutics reports positive interim Phase 2 data for PTC518 in Huntington's disease -------------------------------------------------------------------------------- - Interim data from PIVOT-HD Phase 2 study shows dose-dependent lowering of HTT protein in blood, with mean 30% reduction at 10mg dose. - PTC518 treatment well tolerated; no treatment-related serious adverse events or dose-limiting toxicities reported. - No CSF NfL treatment-related spikes; trend towards lowering of CSF NfL levels after 12 weeks. - Conference call held June 21, 2023 at 8:00 AM EDT to discuss data; slides furnished as Exhibit 99.2. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1070081/000107008123000036/0001070081-23-000036-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1070081/000107008123000036/tmb-20230621x8k.htm HTML page: https://secwatch.observer/filing/0001070081-23-000036 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer