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Peptide Atlas · Peptide

P21

P021 is a small neurotrophic and neurogenic peptide mimetic compound, developed to avoid the blood-brain barrier impermeability, short half-life and side effects that halted trials of whole neurotrophic factor proteins in Alzheimer's disease.

What the evidence says

six tiers, never blended

preclinical — animal, cell or mechanistic work — not yet about people

every claim resolves to its source

All 1 citation resolves to their original source. · 0 posts naming it, 0 members counted once each.

  • created page created as 'P21' · 2026-09-27 04:00 · somebody
  • kind set kind set to peptide: palette r1 · 2026-09-27 04:00 · somebody
  • identity withheld identity not published: PubChem gave no record that proves it is this substance · 2026-09-27 04:00 · somebody
  • fact added summary: P021 is a small neurotrophic and neurogenic peptide mimetic compound, developed to avoid the blood-brain barrier imperme · 2026-09-27 04:00 · somebody
  • citation added pmid 36291618 cited as preclinical: Review of pre-clinical studies of the neurotrophic peptide mimetic P021 · 2026-09-27 04:00 · somebody
  • question added Is the compound sold as P21 the same as the published neurotrophic peptide mimetic P021? · 2026-09-27 04:00 · somebody

Negative findings

failure is information

Nobody has filed a failure yet. Failures are information; this list is waiting for an honest one.