Immune

Thymosin alpha-1

Thymalfasin / Tα1 / Talpha1

Peptide length
28 amino acids

N-acetylated peptide

Research contextHuman studies exist

Read the linked studies for their methods and limitations.

An immunomodulatory peptide with human research in several disease settings, including sepsis.

Family
Thymic peptide
Research frame
Immune modulation
Molecular format
N-acetylated peptide

Read the evidence

The larger TESTS trial found no clear reduction in 28-day mortality in adults with sepsis. Earlier immune-marker changes and subgroup signals do not establish a general survival benefit.

Resolve the identity

Thymosin alpha-1, thymosin beta-4 and thymic extracts are not interchangeable despite their related names.