secwatch.observer — SEC 8-K summary ====================================== Issuer: Protagenic Therapeutics, Inc.new (PTIX) CIK: 0001022899 Form: 8-K Filed at: 2026-08-20T15:26:06+00:00 Accession: 0001493152-26-039410 Event type: regulatory Sentiment: positive Materiality: 0.55 Item codes: 7.01, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Protagenic Therapeutics gets FDA pre-IND feedback with no objections for PT00114 GAD Phase 1 plan -------------------------------------------------------------------------------- - FDA identified no clinical hold issues and raised no objection to the three-part Phase 1 design, dose-escalation, and safety review governance. - FDA deemed the potency/comparability strategy, CMC, and nonclinical packages reasonable to support an IND submission. - Company plans to submit the IND before end of 2026 (Q4 2026); targets first patient dosing in first half of 2027. - PT00114 completed ex-US Phase 1 single- and multiple-ascending-dose studies, well tolerated with no serious adverse events. - GAD affects ~6.8M U.S. adults; no new medicine approved specifically for GAD in nearly two decades. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1022899/000149315226039410/0001493152-26-039410-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1022899/000149315226039410/form8-k.htm HTML page: https://secwatch.observer/filing/0001493152-26-039410 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer