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.

preclinical

provisional
1 citation
0 discussions
0 followers

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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.

Evidence, kept apart

The Atlas never mixes evidence types into one blob. Each claim below carries the tier it actually sits in; an unresolved citation is shown and does not move the page.

Evidence map for P21. Tier reflects study design, not enthusiasm.
Claim	Tier	Source
Review of pre-clinical studies of the neurotrophic peptide mimetic P021	preclinical	pmid 36291618

Unanswered questions

Is the compound sold as P21 the same as the published neurotrophic peptide mimetic P021? open

Negative findings

failure is information

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