Dihexa (also known as PNB 0408) is an experimental small molecule derived from angiotensin IV. It was engineered to cross the bloodbrain barrier and has shown synaptogenic effects in preclinical models. The often quoted Growth factors and their peptide mimetics for treatment of traumatic brain injury ScienceDirect Frontiers Hepatocyte growth factor mimetic protects lateral line hair cells from aminoglycoside exposure Dihexa targets neurotrophic factors like BDNF and NGF, which drive brain repair. By activating the c MET receptor, it helps cells take in nutrients and rebuildespecially in cases where recovery is slow or Dihexa Peptide Therapy Memory & Cognition Beverly Hills