Now reading Entry 042 / 102 Last revised Sep 28, 2026 7 sources 2 comparisons Methodology →
A specimen of the Immune drawer Drawer F · Immune

KPV

Research Only

Lys-Pro-Val is the C-terminal tripeptide motif of alpha-MSH. KPV reduced inflammatory readouts in cell and mouse colitis models, including a PepT1 uptake study. Human drug exposure, pharmacokinetics, safety and clinical benefit remain unestablished.

Lys-Pro-Val · Lysine-Proline-Valine · alpha-MSH(11-13) · C-terminal alpha-MSH tripeptide

Research evidence
Low

The cited KPV evidence is preclinical and does not establish clinical benefit.

Preclinical
43%
Human research
0%

Based on 7 cited sources

Seven visible records: six publications and one FDA record. Three papers provide direct preclinical KPV evidence; parent alpha-MSH studies and reviews are contextual. No direct human administration study is counted.

!
Evidence Level
low
Not currently in FDA's Category 2; FDA records the nomination of "KPV" as withdrawn by the nominator (FDA, "Certain Bulk Drug Substances for Use in Compounding that May Present Significant Safety Risks"; page content current as of 22 April 2026).
Research Only
Identity
SCALE · 1:1 N-TERMINUS C-TERMINUS 3 AA · 342.43 Da
Also Known As
Lys-Pro-Val • Lysine-Proline-Valine • alpha-MSH(11-13) • C-terminal alpha-MSH tripeptide
Class
Tripeptide
Length
3 amino acids
Mol. weight
342.43 Da
Sequence
KPV
Molecular Structure
K
P
V
Hydrophobic
Polar
Positive
Negative

KPV is the Lys-Pro-Val tripeptide at the C-terminus of alpha-melanocyte-stimulating hormone. This structural relationship does not make the parent hormone’s results evidence for administered KPV.

Direct experimental evidence

Dalmasso and colleagues tested KPV in human-derived intestinal and immune cell lines and in two mouse colitis models. Their experiments associated PepT1-mediated cellular uptake with reduced NF-kappaB/MAPK signaling and inflammatory readouts; oral KPV reduced colitis measures in mice. This is cell and animal evidence, not a human pharmacokinetic or efficacy study. A separate later study reported reduced colonic PEPT1 expression during inflammation in studied samples and mice, so the transport story should not be generalized beyond the experimental setting. PMID:18061177 · PMID:24583477

Other preclinical work examined receptor-independent anti-inflammatory effects. It does not establish that KPV treats inflammatory bowel disease, skin disease or any other condition in people, nor does it prove the absence of pigmentation effects in humans. Studies of KdPT, a modified tripeptide, should also remain distinct from KPV. PMID:12750433 · KdPT study, PMID:21741932

Human evidence and safety boundary

No controlled KPV treatment trial or human drug-exposure dataset was identified. FDA states that it has identified no human exposure data for KPV drug products by any route and lacks information needed to determine whether administration would cause harm. Interactions and combination effects with other peptides are unknown. FDA compounding safety review

i. NF-κB Pathway Inhibition · Primary Anti-Inflammatory
Inflammatory stimulus (LPS, TNF-α, IL-1)IKK activationIκBα phosphorylationKPV stabilizes IκBαNF-κB sequestered in cytoplasmReduced inflammatory gene readouts in models
ii. PepT1-Mediated Uptake · Model-Specific Uptake
KPV in mouse colitis experimentIntestinal epitheliumPepT1 transporterIntracellular accumulationNF-κB/MAPK inhibition
Mechanism PepT1 transporter-mediated cellular uptake in intestinal epithelium
Supported 1 direct study
Benefit may enter intestinal cells through PepT1 in studied models
Evidence Level
Low
1 Animal
1 In Vitro
Mechanism Anti-inflammatory effects in studied animal models
Emerging 1 direct study
Benefit may reduce inflammatory readouts in animal experiments
Evidence Level
Very Low
1 Animal
Mechanism Melanocortin receptor-independent anti-inflammatory signaling
Supported 1 direct study
Benefit appears to reduce inflammatory readouts without melanotropic effects in models
Evidence Level
Low
1 Animal
Mechanism Confidence
Established
Supported
Emerging
Evidence Level
High
Moderate
Low
Very Low
7 Sources 0 Human 3 Preclinical

Use the source links in the research discussion above to inspect the referenced records.

This dossier synthesizes available evidence from peer-reviewed literature, regulatory documents, and clinical trial registries. Evidence strength labels summarize the cited material for this entry and should be read alongside its population, model, and study limitations.

For complete methodology details, see our Methodology page.

Important Disclaimer

This dossier is for educational purposes only and does not constitute medical advice. Always consult a qualified healthcare provider before making health decisions.

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Safety profile KPV: adverse events, contraindications and monitoring →

Compared With

3 comparisons

Conditions Studied

4 entries

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