Dihexa Therapy: Complete Guide
Dihexa is a synthetic analogue of angiotensin IV developed at Washington State University and studied in preclinical neurodegeneration research. It has not entered human clinical trials and is not approved for any use. Its proposed mechanism - potentiating hepatocyte growth factor and its receptor c-Met to promote synapse formation - should be treated with real caution: the 2014 Journal of Pharmacology and Experimental Therapeutics paper that established that mechanism was retracted in April 2025, which removes the main published support for how this compound was said to work.
Fact-checking at PeptideProbe is editorial, not clinical. Our editors check claims, dosing figures, and trial results against primary sources; they are not licensed clinicians and do not provide medical review. Nothing here is medical advice — talk to a qualified healthcare provider before starting any therapy.
What is Dihexa?
Dihexa is a synthetic analogue of angiotensin IV developed at Washington State University and studied in preclinical neurodegeneration research. It has not entered human clinical trials and is not approved for any use. Its proposed mechanism - potentiating hepatocyte growth factor and its receptor c-Met to promote synapse formation - should be treated with real caution: the 2014 Journal of Pharmacology and Experimental Therapeutics paper that established that mechanism was retracted in April 2025, which removes the main published support for how this compound was said to work.
How Dihexa Works
Dihexa works through specific biological pathways to produce its therapeutic effects. Consult with a qualified provider for detailed information about how this peptide therapy works for your specific condition.
Benefits & Uses
Preclinical only, and the foundational mechanism paper has been retracted. Rodent work has reported effects on synaptogenesis and cognitive performance. No human trial has tested whether any of this holds in people, and the retraction means even the animal-level mechanism is now unsettled.
Clinical Evidence & Research
Clinical research on Dihexa continues to evolve. Dihexa has been studied in preclinical and clinical settings. Speak with your provider about the current evidence base.
Side Effects & Safety
Unknown in humans, because no clinical trials have been conducted. The mechanism — promoting growth factor signalling and new synapse formation — is one where long-term consequences, including effects on cell proliferation, have not been characterised.
Dosing & Administration
Dosing protocols for Dihexa should be determined by a qualified healthcare provider based on your individual health profile, treatment goals, and response to therapy. Self-dosing without medical supervision is not recommended.
Find Dihexa Providers Near You
Search our directory for qualified providers offering Dihexa therapy. Filter by location, telehealth, and more.
Browse ProvidersDihexa FAQ
Preclinical only, and the foundational mechanism paper has been retracted. Rodent work has reported effects on synaptogenesis and cognitive performance. No human trial has tested whether any of this holds in people, and the retraction means even the animal-level mechanism is now unsettled.
Costs vary by provider and location. Contact providers directly for current pricing.
Dihexa has an FDA status of "Research". It is currently used in research and clinical settings. Consult with a qualified provider about its regulatory status and appropriate use.
Unknown in humans, because no clinical trials have been conducted. The mechanism — promoting growth factor signalling and new synapse formation — is one where long-term consequences, including effects on cell proliferation, have not been characterised.
PeptideProbe lists 0 providers offering Dihexa therapy. Use our directory to search by location, filter by telehealth availability, and compare providers.
What Dihexa is used for
Each of these reviews the evidence for that goal, including where it is weaker than the marketing suggests.
Stay Updated
Get notified when new peptide therapy providers join in your area.
Related Peptides
Medical Disclaimer: This content is for informational purposes only and should not be considered medical advice. Always consult with a qualified healthcare provider before beginning any peptide therapy treatment.