KPV is a tripeptide consisting of the amino acids lysine, proline, and valine. It is the C-terminal fragment of alpha-MSH (alpha-melanocyte-stimulating hormone), which has known anti-inflammatory and wound-healing properties. KPV has been studied primarily for gut inflammation, skin conditions, and wound healing in preclinical and limited clinical research.
Gut Inflammation Research
KPV has been studied in animal models of inflammatory bowel disease. Research has shown anti-inflammatory effects in colitis models, with reductions in inflammatory cytokines and preservation of intestinal barrier function. Some interest has developed in oral KPV delivery for gut-specific applications.
Skin and Wound Healing
Because alpha-MSH and its fragments are involved in skin biology, KPV has been studied for wound healing and inflammatory skin conditions. Animal research shows accelerated wound healing and anti-inflammatory effects in skin injury models.
Broad Anti-Inflammatory Research
KPV's anti-inflammatory properties appear to be mediated through melanocortin receptors, particularly MC1R. Research has examined whether it can reduce inflammation in various contexts including infection-associated inflammation.
Anti-inflammatory effects in animal models of inflammatory bowel disease.
Wound healing acceleration in animal skin models.
Acts through melanocortin receptor pathways to reduce inflammatory signaling.
Limited human clinical trial data.
KPV research is predominantly preclinical. There are no completed large-scale human trials. The jump from animal IBD models to human inflammatory bowel disease is significant and uncertain. The appropriate dose, route, and delivery format for human use are not established. It is not FDA-approved for any use.
KPV is the last three amino acids of alpha-MSH, a hormone that plays roles in skin pigmentation, appetite, and inflammation control. The anti-inflammatory part of alpha-MSH's activity is largely contained in its C-terminal end, which is why researchers developed KPV as a smaller, more targeted fragment. KPV appears to activate melanocortin receptors on immune cells, which triggers a cascade that reduces the production of pro-inflammatory signals. In the gut, this may help calm the overactive immune response that drives conditions like colitis. The small size of the tripeptide may also allow it to be delivered orally with less degradation than larger peptides, which is a practical advantage for gut-targeted research.
KPV has not been evaluated in large human clinical trials and its safety profile in people is not established. Animal studies have not shown concerning toxicity. It is not FDA-approved. As a short peptide, it is expected to be broken down rapidly, but the pharmacokinetics in humans have not been thoroughly characterized in published research.
Preliminary
Most evidence comes from preclinical studies and case reports. Human data is limited and more research is needed.
Published Research Ranges
0.02–2mg/kg in animal studies; oral formulations studied for gut applications
Research Context Only: These are ranges reported in published scientific studies for educational reference. They are not dosing recommendations. This is not medical advice. Always consult a qualified healthcare professional.
Sources listed here are from the platform research library. All links open the original publication. No citations are generated by AI.
Alpha-MSH and Its Tripeptide KPV Inhibit Inflammatory Signaling in Intestinal Cells
American Journal of Physiology — Gastrointestinal and Liver Physiology • 2004
• DOI: 10.1152/ajpgi.00272.2003
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Research Education Only: This profile is for educational purposes only. All information is sourced from published scientific literature. This is not medical advice. Not for human consumption. Consult qualified medical professionals for any health decisions.
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