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Peptide research profile

TB-500

Also known as N-acetylated LKKTETQ · thymosin beta-4 fragment

FDA found no identified human exposure data for drug products containing the TB-500 fragment. Human studies of full-length thymosin beta-4 or ophthalmic RGN-259 cannot be presented as evidence for TB-500.

Very low evidenceNot FDA approved
Evidence maturity
Early signal
Regulatory status
Not FDA approved
Recorded outcomes
3
Indexed sources
3
Educational. Not medical advice.

Summary

An unapproved seven-amino-acid fragment often confused with full-length thymosin beta-4.

What is TB-500 being studied for?

Cell migration and wound-repair research

How is it thought to work?

A synthetic acetylated fragment corresponding to residues 17 through 23 of thymosin beta-4; proposed repair mechanisms are not established in humans for this fragment.

Recorded outcomes

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3 graded outcomes and 3 sources for TB-500.

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Update history

Updated
  • Editorial review of the profile and its sources.
  • Record last updated in the Senzu database.
  • Profile first published.
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Most compounds here are not FDA- or MHRA-approved for the uses discussed.