VIP

Class: Endogenous neuropeptide, 28 amino acids
Receptor Activity: VPAC1 and VPAC2 G-protein coupled receptors
Formulation: Investigational; inhalation, intravenous, intracavernosal
Approval Status: Investigational / clinical research

  • Pulmonary Vasodilation: Reduces pulmonary artery pressure, improves oxygen saturation in pulmonary hypertension
  • Improved Hemodynamics: Enhances cardiac output and systemic circulation
  • Oxygenation in Lung Disease: Supports oxygen delivery in ARDS, hypoxemic respiratory failure
  • Potential ARDS/COVID Recovery: May improve survival and recovery in critical respiratory failure
  • Bronchodilation: Smooth-muscle relaxation supports airway function
  • Rapid Hemodynamic Modulation: Short-acting effect allows controlled dosing
  • Alveolar Type II Cell Restoration: May improve surfactant function in respiratory distress
  • Erectile Function Support: Facilitates erections when used with phentolamine intracavernosally
  1. Domschke, S., et al. (1978). Gut, 19(11), 1049–1053. DOI
  2. Leuchte, H.H., et al. (2008). European Respiratory Journal, 32(5), 1289–1294. DOI
  3. Petkov, V., et al. (2003). Journal of Clinical Investigation, 111(9), 1339–1346. DOI
  4. Youssef, J.G., et al. (2022). Critical Care Medicine, 50(11), 1545–1554. DOI

Sandhu, D., et al. (1999). International Journal of Impotence Research, 11(2), 91–97. DOI

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