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The compound database

Peptide Database

264 therapeutic peptides with research summaries, clinical findings, and regulatory status. Every claim is cited.

FDA-approved
90
FDA-approved
Awaiting FDA
8
Awaiting FDA
No lawful pathway
166
No lawful pathway
1–18 of 18 · ImmuneClear filters
  1. 001

    Thymalin

    A peptide bioregulator extracted from bovine thymus, consisting of a polypeptide complex that regulates immune function. Thymalin increases the functional…

    Immune · Investigational · Intramuscular injection

    No lawful pathway
  2. 002

    LL-37

    The only human cathelicidin antimicrobial peptide, a 37-amino acid cationic peptide cleaved from the precursor protein hCAP18. LL-37 has broad antimicrobial…

    Immune · Investigational · Subcutaneous injection, Topical

    No lawful pathway
  3. 003

    VIP (Vasoactive Intestinal Peptide)

    A 28-amino acid neuropeptide widely distributed in the central and peripheral nervous systems and immune cells. VIP acts through VPAC1 and VPAC2 receptors and…

    Immune · Investigational · Intranasal, Intravenous, Subcutaneous injection

    No lawful pathway
  4. 004

    Thymosin Alpha 1 (Zadaxin)

    A 28-amino acid peptide originally isolated from thymic tissue (thymosin fraction 5) and used as an immunomodulator under the name thymalfasin. Thymosin alpha…

    Immune · In Clinical Trials · Subcutaneous injection

    Awaiting FDA
  5. 005

    Thymopentin (TP-5)

    A synthetic pentapeptide (Arg-Lys-Asp-Val-Tyr) corresponding to residues 32-36 of thymopoietin, a thymic hormone involved in T-cell differentiation.…

    Immune · Investigational · Subcutaneous injection, Intramuscular injection

    No lawful pathway
  6. 006

    Thymulin

    A zinc-containing nonapeptide (facteur thymique serique) produced exclusively by thymic epithelial cells, whose biological activity depends on bound zinc.…

    Immune · Research Phase · Subcutaneous injection, Intranasal

    No lawful pathway
  7. 007

    KPV

    A C-terminal tripeptide fragment (Lys-Pro-Val) of alpha-melanocyte-stimulating hormone that retains anti-inflammatory activity without melanogenic effects. In…

    Immune · Research Phase · Oral, Topical, Subcutaneous injection

    No lawful pathway
  8. 008

    Icatibant (Firazyr)

    A synthetic decapeptide bradykinin B2 receptor antagonist containing five non-natural amino acids for enhanced stability and receptor selectivity. Icatibant…

    Immune · FDA Approved · Subcutaneous injection

    FDA-approved
  9. 009

    Thymogen (Glutamyl-Tryptophan)

    Thymogen is a synthetic dipeptide consisting of L-glutamic acid and L-tryptophan (L-Glu-L-Trp), developed in Russia as a synthetic analog of the thymus extract…

    Immune · Investigational · Subcutaneous injection, Topical

    No lawful pathway
  10. 010

    Thymostimulin (TP-1)

    Thymostimulin (TP-1) is a partially purified extract of calf thymus consisting of a mixture of polypeptides. It is thought to promote T-lymphocyte maturation…

    Immune · Investigational · Intramuscular injection, Subcutaneous injection

    No lawful pathway
  11. 011

    Splenopentin

    Splenopentin (SP-5) is a synthetic pentapeptide (Arg-Lys-Glu-Val-Tyr) corresponding to residues 32 to 36 of the splenic protein splenin. It differs from the…

    Immune · Investigational · Subcutaneous injection, Intravenous

    No lawful pathway
  12. 012

    Bursin

    Bursin is a tripeptide amide (Lys-His-Gly-NH2) originally isolated from the bursa of Fabricius in chickens, where it was described as a selective…

    Immune · Research Phase · Subcutaneous injection

    No lawful pathway
  13. 013

    Tuftsin

    Tuftsin is a naturally occurring tetrapeptide (Thr-Lys-Pro-Arg) released by enzymatic processing from the Fc domain of the immunoglobulin G heavy chain. It…

    Immune · Research Phase · Subcutaneous injection, Intravenous

    No lawful pathway
  14. 014

    Imuthiol (Diethyldithiocarbamate)

    Imuthiol (ditiocarb sodium) is the sodium salt of diethyldithiocarbamate, a small sulfur-containing molecule rather than a peptide, which was explored as an…

    Immune · Investigational · Intravenous, Oral

    No lawful pathway
  15. 015

    Alpha-MSH

    Alpha-melanocyte-stimulating hormone (alpha-MSH) is a 13-amino-acid peptide produced from proopiomelanocortin (POMC). Acting through melanocortin receptors, it…

    Immune · Investigational · Subcutaneous injection, Intravenous

    No lawful pathway
  16. 016

    Beta-Defensin 2

    Human beta-defensin 2 (hBD-2) is a 41-amino-acid cationic antimicrobial peptide first described in psoriatic skin and produced by epithelial cells in response…

    Immune · Research Phase · Topical, Subcutaneous injection

    No lawful pathway
  17. 017

    Beta-Defensin 3

    Human beta-defensin 3 (hBD-3) is a cationic antimicrobial peptide of roughly 45 amino acids. Unlike hBD-1 and hBD-2, it kills Gram-positive organisms such as…

    Immune · Research Phase · Topical, Subcutaneous injection

    No lawful pathway
  18. 018

    Granulysin

    Granulysin is an antimicrobial and cytolytic protein produced by human cytotoxic T lymphocytes and natural killer cells, and it is structurally related to…

    Immune · Research Phase · Intravenous, Subcutaneous injection

    No lawful pathway

Index · all 264 peptides, A–Z

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