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FDA raises no objection to the Company's planned Phase 1 program design, dose-escalation approach, or CMC and nonclinical packages; IND submission remains on track for the fourth quarter of 2026 NEW YORK, NY / ACCESS Newswire / August 20, 2026 / Protagenic Therapeutics, Inc. (OTCQB:PTIX), a clinical-stage biopharmaceutical company developing novel peptide-based treatments for stress-related neuropsychiatric…

As published in Behavioural Pharmacology, two days of PT00114 treatment reduced corticosterone levels and attenuated anxiety-like behavior in chronically stressed rats; a known CRF₁ receptor antagonist did not show activity in the same model. NEW YORK, NY / ACCESS Newswire / June 30, 2026 / Protagenic Therapeutics, Inc. (OTCQB:PTIX), a clinical-stage biopharmaceutical company focused on novel neuropeptide therapies…