Thymogen
clinical trialsAlso known as: Glutamyl-Tryptophan, Glutoxim analog
**Mechanism of Action** Thymogen (glutamyl-tryptophan) is a synthetic dipeptide immunomodulator that acts primarily by modulating T-cell differentiation and function. It binds to specific receptors on thymic epithelial cells and lymphocytes, enhancing the maturation of T-helper (CD4+) and cytotoxic T-cell (CD8+) subsets. The peptide also upregulates interleukin-2 (IL-2) and interferon-gamma (IFN-γ) production while reducing pro-inflammatory cytokines such as tumor necrosis factor-alpha (TNF-α), thereby restoring immune homeostasis in states of dysregulation, such as chronic infection or secondary immunodeficiency. **Key Research Findings** Clinical trials (primarily in Eastern Europe) have demonstrated Thymogen’s efficacy in reducing the duration and severity of recurrent respiratory infections, herpesvirus reactivation, and postoperative immune suppression. A 2020 randomized trial reported a 40% reduction in infection recurrence rates in patients with secondary immunodeficiency. Preclinical studies indicate enhanced phagocytic activity and improved antibody responses to vaccination. However, most evidence is derived from small, open-label studies, and independent replication in larger, blinded trials remains limited. **Clinical Relevance** Thymogen is approved in Russia and several CIS countries as an adjunctive therapy for infectious diseases, including chronic bronchitis, tuberculosis, and viral hepatitis. It is also used to mitigate chemotherapy-induced immunosuppression. Despite its regional acceptance, the peptide lacks FDA or EMA approval, and its clinical utility outside Eastern Europe remains unestablished due to insufficient high-quality, multicenter trials. For research purposes only — not medical advice.
Key data
C16H19N3O5Research & studies
Hydrazine injection decreased catalase activity and increased MDA concentration.; Lower doses of peptides inhibited lipid peroxidation and stimulated hepatocyte regeneration.; Thymogen analogue with D-Ala at the C-terminus was the most effective.; Higher doses of thymogen and its analogues did not further improve hepatoprotective activity.
Thymogen (L-Glu-L-Trp) acts as an immunostimulant, while Thymodepressin (D-Glu(D-Trp)) acts as an immunosuppressor, demonstrating opposite biological activities.; The enantiomeric drugs regulate homeostasis in an up-and-down manner, showing the functional impact of chirality.; Manipulating peptide chirality offers a strategy to enhance resistance to proteolysis and improve biomolecular interactions.; This study provides the first examples of reciprocal activity between chiral peptide pharmaceuticals.
Carbon tetrachloride caused fat degeneration, decreased catalase activity, and increased malondialdehyde.; Peptides suppressed oxidative peroxidation and stimulated reparative regeneration of hepatocytes.; Thymogen analogues produced more pronounced hepatotropic and antioxidant effects than Thymogen.; Adding D-Ala to the C-end of the molecule yielded the highest efficiency.
Frequently asked questions
What is Thymogen?
**Mechanism of Action** Thymogen (glutamyl-tryptophan) is a synthetic dipeptide immunomodulator that acts primarily by modulating T-cell differentiation and function. It binds to specific receptors on thymic epithelial cells and lymphocytes, enhancing the maturation of T-helper (CD4+) and cytotoxic T-cell (CD8+) subset
How does Thymogen work?
Synthetic dipeptide (Glu-Trp) immunomodulator used in Eastern Europe to restore immune balance during infection and immunodeficiency.
What is the research status of Thymogen?
Thymogen is currently classified as clinical trials, with 88 research references on record. This is for research purposes only and is not medical advice.
What is the molecular weight of Thymogen?
Thymogen has a molecular weight of approximately 333.34 g/mol (formula C16H19N3O5).
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