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Research / Unapproved

TB-500: Research Status, Identity, and Clinical Trial Data

Drafted by an automated content engine from FDA, PubChem, ClinicalTrials.gov, NIH DSLD, and Open Beauty Facts data.

Molecular formulaC38H68N10O14
Molecular weight889 g/mol
Registered trials1
PubChem CID62707662

What TB-500 Is

TB-500 refers to a synthetic fragment of thymosin beta 4, sold as a research compound rather than an approved medicine. It has no FDA-approved label, no approved brand name, and no sanctioned medical use. The compound has a molecular formula of C38H68N10O14 and a molecular weight of about 889 (PubChem CID 62707662).

Regulatory Status

TB-500 is classified as unapproved and used only in research settings. No drug label, prescribing information, or approved indication exists for this compound at this time.

Clinical Trial Footprint

One trial referencing TB-500 is currently registered. That study, NCT07487363, is titled "TB-500 (Thymosin Beta 4 17-23 Fragment) for Cardiovascular Biomarkers in Stable ASCVD" and is listed as recruiting. No completed efficacy data from this or other trials is available in current records.

FAQ

Is TB-500 FDA approved?
No. TB-500 has no FDA-approved label, no approved brand name, and no approved medical indication. It is classified as an unapproved research compound.
What is TB-500 made of?
TB-500 is a synthetic peptide fragment derived from thymosin beta 4, with the molecular formula C38H68N10O14 and a molecular weight of approximately 889.
Are there clinical trials studying TB-500?
One trial referencing TB-500 is currently registered, studying cardiovascular biomarkers in people with stable atherosclerotic cardiovascular disease. The trial is listed as recruiting and has not reported results.
What is known about TB-500 side effects?
There is no adverse event reporting data currently available for TB-500, so its side effect profile in humans has not been characterized through that reporting system.
Can TB-500 be used for treatment purposes right now?
TB-500 has no approved medical use and is not sanctioned for treatment. It exists only in a research and investigational context at this time.
This page is an editorial information resource. It does not sell, prescribe, or recommend any medication. Content is editorial information, not medical advice. Talk to your doctor before any treatment decision.

Sources: PubChem CID 62707662 ClinicalTrials.gov NCT07487363

Updated 2026-08-03