Pair page
KPV with TB-500
Mechanism-tag overlap and published literature for KPV and TB-500, pulled verbatim from each Kalios compound profile. Kalios is a literature reference, not a recommendation.
Mechanism overlap
Mechanism tags are verbatim labels on each compound's profile. Generic tags ("peptide", "small-molecule", "research-chemical") are excluded from this overlap view. Tags are descriptive — not an inference about combined effect.
alpha-msh-c-terminal-anti-inflammatory-tripeptide
angiogenesissystemic-tissue-repair
Co-administration notes from the literature
Verbatim summary text pulled from each compound's profile data. Researchers studying KPV and TB-500 have published these mechanism-level observations. Not a co-administration recommendation.
Systemic cell-migration and anti-inflammatory modulation. Part of a BPC-157 + GHK-Cu + KPV + TB-500 co-administration (KPV + BPC-157 + TB-500 + GHK-Cu) for combined repair and inflammation protocols.
Tripeptide anti-inflammatory. KPV suppresses NF-κB and reduces pro-inflammatory cytokines — clean inflammation control while TB-500 supports repair and BPC-157 drives local healing signaling. Combined as part of a BPC-157 + GHK-Cu + KPV + TB-500 co-administration.
Quick facts
KPV
TB-500
Literature table
Classified references from each compound profile. Click a column header to sort. Click a PMID to open PubMed. Findings are quoted verbatim from each profile's literature_summary; nothing here is added or interpreted.
| Year | Compound | Source | Finding |
|---|---|---|---|
| 2016 | KPV | Viennois E, Ingersoll SA, Ayyadurai S, et al. Critical Role of PepT1 in Promoting Colitis-Associated Cancer and Therapeutic Benefits of the Anti-inflammatory PepT1-Mediated Tripeptide KPV in a Murine Model. Cell Mol Gastroenterol Hepatol. 2016;2(3):340-357. | preclinical, in vivo |
| 2014 | KPV | Xiao B, Laroui H, Viennois E, et al. Nanoparticles with surface antibody against CD98 and carrying CD98 small interfering RNA reduce colitis in mice. Gastroenterology. 2014;146(5):1289-1300.e1-19. | preclinical, in vivo |
| 2010 | KPV | Kannengiesser K, Lügering A, Maaser C, Domschke W, Luger TA, Kucharzik T. Treatment of murine colitis with the tripeptide KPV-review of recent findings. Falk Symp. 2010. | preclinical, in vivo |
| 2008 | KPV | Kannengiesser K, Maaser C, Heidemann J, Luegering A, Ross M, Brzoska T, Bohm M, Luger TA, Domschke W, Kucharzik T. Melanocortin-derived tripeptide KPV has anti-inflammatory potential in murine models of inflammatory bowel disease. Inflamm Bowel Dis. 2008;14(3):324-331. PMID: 180… PMID 18092346 | preclinical, in vivo |
| 2008 | KPV | Brzoska T, Luger TA, Maaser C, Abels C, Böhm M. α-Melanocyte-stimulating hormone and related tripeptides: biochemistry, antiinflammatory and protective effects in vitro and in vivo, and future perspectives for the treatment of immune-mediated inflammatory diseases. Endocr Rev. 2… PMID 18612027 | preclinical, in vivo |
| 2013 | KPV | Coco R, Plapied L, Pourcelle V, Jérôme C, Brayden DJ, Schneider YJ, Préat V. Drug delivery to inflamed colon by nanoparticles: comparison of different strategies. Int J Pharm. 2013;440(1):3-12. PMID: 22939963. PMID 22939963 | research article |
| 2009 | KPV | Capsoni F, Ongari AM, Reali E, Catania A. Melanocortin peptides inhibit urate crystal-induced activation of phagocytic cells. Arthritis Res Ther. 2009;11(5):R151. PMID: 19814815. PMID 19814815 | research article |
| 2008 | KPV | Dalmasso G, Charrier-Hisamuddin L, Nguyen HT, Yan Y, Sitaraman S, Merlin D. PepT1-mediated tripeptide KPV uptake reduces intestinal inflammation. Gastroenterology. 2008;134(1):166-178. PMID: 18061177. PMID 18061177 | research article |
| 2023 | TB-500 | Sosne G, Kim C, Kleinman HK. 0.1% RGN-259 (Thymosin β4) Ophthalmic Solution Promotes Healing and Improves Comfort in Neurotrophic Keratopathy Patients in a Randomized, Placebo-Controlled, Double-Masked Phase III Clinical Trial. Int J Mol Sci. 2023;24(1):554. | human trial, Phase 3 |
| 2015 | TB-500 | Sosne G, Dunn SP, Kim C. Thymosin β4 significantly improves signs and symptoms of severe dry eye in a Phase 2 randomized trial. Cornea. 2015;34(5):491-496. | human trial, Phase 2 |
| — | TB-500 | ClinicalTrials.gov. A Phase 2 Study on Effect of Thymosin Beta 4 on Wound Healing. NCT00311766. | human trial, Phase 2 |
| 2010 | TB-500 | Ruff D, Crockford D, Girardi G, Zhang Y. A randomized, placebo-controlled, single and multiple dose study of intravenous thymosin beta4 in healthy volunteers. Ann N Y Acad Sci. 2010;1194:223-229. | human trial |
| 1981 | TB-500 | Low TL, Hu SK, Goldstein AL. Complete amino acid sequence of bovine thymosin beta 4: a thymic hormone that induces terminal deoxynucleotidyl transferase activity in thymocyte populations. Proc Natl Acad Sci U S A. 1981;78(2):1162-1166. PMID: 6940133. (Discovery publication.) PMID 6940133 | mechanism / discovery |
| 2025 | TB-500 | WADA. 2025 Prohibited List. Section S2 — Peptide hormones, growth factors, related substances and mimetics. World Anti-Doping Agency. Thymosin β4 and derivatives prohibited since 2011. | regulatory / registry |
| 2025 | TB-500 | FDA. Bulk Drug Substances That Raise Significant Safety Risks (Category 2) under Section 503A / 503B. FDA.gov. Updated 2025. | regulatory / registry |
| 2015 | TB-500 | Sosne G, Kleinman HK. Primary Mechanisms of Thymosin β4 Repair Activity in Dry Eye Disorders and Other Tissue Injuries. Invest Ophthalmol Vis Sci. 2015;56(9):5110-5117. PMID: 26241398. PMID 26241398 | research article |
| 2012 | TB-500 | Goldstein AL, Hannappel E, Sosne G, Kleinman HK. Thymosin β4: a multi-functional regenerative peptide. Basic properties and clinical applications. Expert Opin Biol Ther. 2012;12(1):37-51. PMID: 22074294. PMID 22074294 | research article |
| 2011 | TB-500 | Smart N, Bollini S, Dubé KN, Vieira JM, Zhou B, Davidson S, Yellon D, Riegler J, Price AN, Lythgoe MF, Pu WT, Riley PR. De novo cardiomyocytes from within the activated adult heart after injury. Nature. 2011;474(7353):640-644. PMID: 21654746. PMID 21654746 | research article |
| 2010 | TB-500 | Sosne G, Qiu P, Goldstein AL, Wheater M. Biological activities of thymosin beta4 defined by active sites in short peptide sequences. FASEB J. 2010;24(7):2144-2151. PMID: 20179146. PMID 20179146 | research article |
| 2010 | TB-500 | Crockford D, Turjman N, Allan C, Angel J. Thymosin beta4: structure, function, and biological properties supporting current and future clinical applications. Ann N Y Acad Sci. 2010;1194:179-189. PMID: 20536465. PMID 20536465 | research article |
Related pair pages
More research context
Frequently asked
Have KPV and TB-500 been studied together?
Researchers have published mechanistic-level co-administration discussion of KPV and TB-500. No human co-administration trials are catalogued in the Kalios profiles. The pair page lists each compound's classified literature; full citations sit on each individual profile.
What mechanisms do KPV and TB-500 share?
KPV and TB-500 do not share a specific mechanism tag on their Kalios profiles. They appear on the same pair page because at least one profile lists the other in its co-administration data.
What is the FDA status of KPV and TB-500?
KPV: Not approved. TB-500: Category 2; RGN-259 Phase 3. FDA-status text is pulled verbatim from each compound profile. See /fda-pcac-2026.html for the broader FDA Pharmacy Compounding Advisory Committee context.
Where can I find the full research on KPV and TB-500?
Full citation lists, dosing tables from the literature, reconstitution data, and the FDA / WADA status are on the individual compound profiles: the KPV profile and the TB-500 profile. The Kalios Stack Research Tool hub lists every compound covered.
Last updated: April 2026