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Research / Unapproved

TB-500: Research Status, Trial Data, and FAQs

Molecular formulaC38H68N10O14
Molecular weight889 g/mol
Registered trials1
PubChem CID62707662

What TB-500 Is

TB-500 is a synthetic peptide fragment corresponding to a segment of thymosin beta 4, identified by PubChem CID 62707662. It has no FDA-approved label, no approved brand name, and no approved medical use. There is currently no DailyMed listing for this compound, meaning it has not cleared the regulatory steps required for marketed drug status in the United States.

Trial Footprint

One registered clinical trial currently lists TB-500 in its record. That study, NCT07487363, is titled "TB-500 (Thymosin Beta 4 17-23 Fragment) for Cardiovascular Biomarkers in Stable ASCVD." It is listed in combined early-stage phases and is currently recruiting participants. Beyond this single registration, there is no broader trial history available in the provided data to characterize the compound's research trajectory.

FAQ

Is TB-500 FDA approved?
No. TB-500 has no FDA-approved label and no approved brand name. It remains an unapproved research compound with no marketed medical use.
What is TB-500 chemically?
TB-500 is a synthetic peptide fragment related to thymosin beta 4, with the molecular formula C38H68N10O14 and a molecular weight near 889. It is cataloged in PubChem under CID 62707662.
Is TB-500 currently being studied in clinical trials?
Yes, one registered trial currently includes TB-500. It is studying cardiovascular biomarkers in people with stable atherosclerotic cardiovascular disease and is in combined early-stage phases, currently recruiting.
Are there known side effects of TB-500?
No adverse event report data is available for TB-500 in the data reviewed here, so a side effect pattern cannot be summarized at this time.
Does research trial activity mean TB-500 works for a condition?
No. A compound being listed in a clinical trial reflects that it is under investigation, not that it has demonstrated safety or effectiveness for any condition.
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 ClinicalTrials.gov registry count

Updated 2026-11-07