Peptide Graded

Aviptadil

Is Aviptadil safe?

Monitoring board found no new concerns

BSome human evidenceIn clinical trialsas of 2026-10-26

VIP is a potent vasodilator. So the expected side effects of intravenous aviptadil are low blood pressure, flushing and diarrhoea. In TESICO, the data safety monitoring board reported no safety concerns beyond these known effects. 11

The erectile dysfunction combination has decades of use in Europe. Its known risks are local pain and priapism, from the phentolamine part. There are no data on repeated IV dosing outside intensive care. Compounded or research-chemical aviptadil sold online has no quality oversight. 10

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Citations

  1. Said and Mutt 1970, Science: polypeptide with broad biological activity isolated from small intestine pubmed.ncbi.nlm.nih.gov
  2. PMC 2023: independent analysis of aviptadil COVID-19 evidence pmc.ncbi.nlm.nih.gov
  3. PMC 2021: VIP receptors VPAC1 and VPAC2 pmc.ncbi.nlm.nih.gov
  4. Goetzl 2002, Regulatory Peptides: immunoeffector and immunoregulatory activities of VIP pubmed.ncbi.nlm.nih.gov
  5. Couvineau 2012, Br J Pharmacol: VPAC receptor structure and pharmacology pubmed.ncbi.nlm.nih.gov
  6. Amino Acids 2013: VIP, a neuropeptide with pleiotropic immune functions pubmed.ncbi.nlm.nih.gov
  7. The Pharma Letter: FDA declines EUA for aviptadil in critical COVID-19 thepharmaletter.com
  8. GlobeNewswire 2020: Fast Track designation for RLF-100 (aviptadil) globenewswire.com
  9. NRx Pharmaceuticals 10-Q, Q1 2022: FDA declined emergency use request sec.gov
  10. All Wales Therapeutics and Toxicology Centre: aviptadil/phentolamine (Invicorp) recommendation awttc.nhs.wales
  11. ACTIV-3b/TESICO 2023, Lancet Respiratory Medicine: aviptadil and remdesivir for COVID-19 respiratory failure doi.org

Reference information only, not medical advice. Drawn from the Aviptadil article, fact-checked against the cited sources. No dosing anywhere on this site.