P51 / Research station
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Immune & host-response research

LL-37

Human host-defense peptide studied in antimicrobial, membrane, and innate-immune research.

Research context

Human host-defense peptide studied in antimicrobial, membrane, and innate-immune research.

Research classification: Host-defense peptide.

This brief identifies the research context used to organize the Peptides51 directory. It does not rate the strength of clinical evidence or establish safety, efficacy, or a suitable application.

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This link opens a literature search, rather than a single supporting study. Check the exact material, experimental model and endpoints in each publication before drawing a conclusion. Read our guide to evidence levels.

Availability & documentation

Inclusion in this educational directory does not confirm stock or availability. For a wholesale inquiry, include the compound name, preferred format, quantity and destination.

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For educational research context only. This page provides no dosing, administration or treatment instructions.

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P51 / Evidence tracker

FDA approval & clinical-trial status

Sources checked 2026-10-10 (UTC). Status describes registry records and named drug products.

FDA / United States

No FDA approval record located

The checked Drugs@FDA ingredient searches did not locate an approval record. This is a database search result, not an exhaustive regulatory determination; compounding eligibility is a separate question.

    FDA database and coverage ↗
    ClinicalTrials.gov

    Historical / other study records found

    0 active · 0 planned · 1 completed · 2 matching records

    Counts include matching drug or biological interventions in ClinicalTrials.gov. Biomarker-only studies and related compounds are excluded. Registration and a reported phase do not establish safety, efficacy, FDA approval, or that a trial is taking place as described. Check each record and its update date.

    Search the trial registry ↗
    View matching trial records (2)
    Publication archive

    Articles associated with LL-37

    Indexed publications mentioning this compound in their title or abstract, newest first. Follow the original papers for findings and limitations; preprints are labeled.

    Open full source search ↗

    3044 indexed matches. Sources checked 2026-10-10 (UTC).

    Search coverage is limited to Europe PMC. Related names, formulations, and study models may differ from listed research materials. A paper mentioning a compound is not necessarily a clinical trial or evidence of effectiveness.