{
  "slug": "bpc-157-tissue-repair",
  "title": "Systemic BPC-157 and Human Tissue Healing",
  "claim": "For each prespecified tissue category—tendon, ligament, and gastrointestinal mucosa—in humans with objectively confirmed injury, a defined BPC-157 product delivered systemically causes faster structural healing than concurrent control.",
  "update_date": "2026-10-05",
  "search_cutoff": "2026-10-05",
  "framework_for_addendum": "HSEF v5.3 causal distinctions",
  "historical_scorecard_schema": "5.4",
  "regraded": false,
  "status": "curated_local_addendum",
  "full_academic_review_complete": false,
  "summary": "Animal structural-repair findings and cellular pathway signals remain distinct from controlled human healing. The retrieved human pilots address local symptoms or short-term intravenous tolerability, rather than the exact systemic structural-healing claim.",
  "timeline": [
    {
      "year": "2003",
      "source_id": "P14554208",
      "design": "Rat Achilles transection plus cell culture",
      "finding": "BPC-157 improved reported functional, biomechanical and histological tendon outcomes.",
      "limit": "Rodent injury and culture findings do not establish human systemic efficacy.",
      "historical_anchor_only": false
    },
    {
      "year": "2004",
      "source_id": "P15052688",
      "design": "Rat gastric-ulcer experiments",
      "finding": "Intramuscular and intragastric dosing reduced injury and supported repair in the tested models.",
      "limit": "Rat mucosal repair is not a controlled human gastrointestinal outcome.",
      "historical_anchor_only": false
    },
    {
      "year": "2006",
      "source_id": "P16583442",
      "design": "Rat tendon-to-bone repair",
      "finding": "Treatment improved healing measures and opposed corticosteroid aggravation.",
      "limit": "Acute surgical injury differs from chronic human tendinopathy.",
      "historical_anchor_only": false
    },
    {
      "year": "2010",
      "source_id": "P20225319",
      "design": "Rat ligament transection",
      "finding": "Treatment improved functional, biomechanical and histological measures.",
      "limit": "Species, route and injury-model boundaries remain.",
      "historical_anchor_only": false
    },
    {
      "year": "2010",
      "source_id": "P21030672",
      "design": "Explant and tendon-cell assays",
      "finding": "Outgrowth, migration and stress survival accompanied FAK/paxillin phosphorylation.",
      "limit": "Pathway association is not a human healing-mediation test.",
      "historical_anchor_only": false
    },
    {
      "year": "2017",
      "source_id": "P29358856",
      "design": "Rat colitis/ischemia experiments",
      "finding": "Treatment improved vascular and mucosal findings in selected injury models.",
      "limit": "Mechanistic intervention is model-specific; human structural healing was not tested.",
      "historical_anchor_only": false
    },
    {
      "year": "2021",
      "source_id": "P34324435",
      "design": "Uncontrolled knee-pain report",
      "finding": "A local injection report described symptom benefit and called for imaging follow-up.",
      "limit": "No concurrent control or verified faster structural healing; local administration is outside systemic scope.",
      "historical_anchor_only": false
    },
    {
      "year": "2022",
      "source_id": "P36588717",
      "design": "Rat and dog pharmacokinetics",
      "finding": "Intact peptide cleared rapidly; intramuscular bioavailability differed by species.",
      "limit": "Radiolabel distribution includes metabolites and does not establish human active-peptide exposure.",
      "historical_anchor_only": false
    },
    {
      "year": "2024",
      "source_id": "P39325560",
      "design": "Uncontrolled interstitial-cystitis pilot",
      "finding": "Participants reported symptom improvement following bladder-area injections.",
      "limit": "Bladder symptoms, local delivery and no concurrent control do not test the prespecified tissues.",
      "historical_anchor_only": false
    },
    {
      "year": "2025",
      "source_id": "P40131143",
      "design": "Two-person intravenous tolerability pilot",
      "finding": "No adverse effects were reported during the short observation period.",
      "limit": "Previously exposed adults and tiny sample cannot establish general safety or healing efficacy.",
      "historical_anchor_only": false
    },
    {
      "year": "2026",
      "source_id": "P42542926",
      "design": "Exploratory rat tendon-repair comparison",
      "finding": "Histological effects were reported; combination treatment lacked additional benefit.",
      "limit": "Endpoint-specific results should not be recast as universal biomechanical superiority.",
      "historical_anchor_only": false
    }
  ],
  "gaps": [
    {
      "id": "G1",
      "question": "Does systemic BPC-157 accelerate human tendon or ligament structural healing?",
      "source_ids": [
        "P14554208",
        "P20225319",
        "P34324435",
        "P42542926"
      ],
      "alternative": "Symptoms may improve through analgesia, rehabilitation or natural recovery without faster structural repair.",
      "discriminating_test": "Registered randomized trial of a characterized product in objectively confirmed injury; identical rehabilitation, blinded imaging and mechanical/function endpoints.",
      "gap_type": "bounded_causal_uncertainty",
      "interpretation": "An unresolved inference or scope limit in the checked evidence, not a claim that no relevant study exists anywhere."
    },
    {
      "id": "G2",
      "question": "Does it heal human gastrointestinal mucosal injury?",
      "source_ids": [
        "P15052688",
        "P29358856",
        "P39325560"
      ],
      "alternative": "Animal cytoprotection or local bladder symptom relief may not translate to gastrointestinal re-epithelialization.",
      "discriminating_test": "Tissue-specific controlled trial with endoscopic/histological healing, systemic exposure confirmation and standard care held constant.",
      "gap_type": "bounded_causal_uncertainty",
      "interpretation": "An unresolved inference or scope limit in the checked evidence, not a claim that no relevant study exists anywhere."
    },
    {
      "id": "G3",
      "question": "What exposure reaches the injured human tissue?",
      "source_ids": [
        "P36588717",
        "P40131143"
      ],
      "alternative": "Product heterogeneity or metabolite signal may be mistaken for sustained active-peptide exposure.",
      "discriminating_test": "Assay intact peptide and metabolites separately; establish batch identity, human PK, tissue-relevant PD and a prespecified exposure–response relation.",
      "gap_type": "bounded_causal_uncertainty",
      "interpretation": "An unresolved inference or scope limit in the checked evidence, not a claim that no relevant study exists anywhere."
    },
    {
      "id": "G4",
      "question": "Are pathway signals necessary for repair and are effects independently reproducible?",
      "source_ids": [
        "P21030672",
        "P14554208",
        "P42542926"
      ],
      "alternative": "Phosphorylation may be downstream repair activity; positive-study concentration may reflect reporting or laboratory effects.",
      "discriminating_test": "Independent preregistered injury-model replication, dose controls and pathway blockade/rescue with structural endpoints; report nulls and all planned outcomes.",
      "gap_type": "bounded_causal_uncertainty",
      "interpretation": "An unresolved inference or scope limit in the checked evidence, not a claim that no relevant study exists anywhere."
    }
  ],
  "source_cards": [
    {
      "id": "P14554208",
      "pmid": "14554208",
      "doi": "10.1016/S0736-0266(03)00110-4",
      "title": "Gastric pentadecapeptide BPC 157 accelerates healing of transected rat Achilles tendon and in vitro stimulates tendocytes growth.",
      "url": "https://pubmed.ncbi.nlm.nih.gov/14554208/",
      "issue_year": "2003",
      "electronic_date": "",
      "access_depth": "abstract_excerpt_checked",
      "checked_details": "Primary record and selected abstract passages checked; no complete-paper appraisal credited.",
      "publication_types": [
        "Journal Article",
        "Research Support, Non-U.S. Gov't"
      ],
      "correction_notices": [],
      "cohort_note": "No independence claim made; cohort identity beyond the cited report was not exhaustively audited.",
      "baseline_access_depth": "abstract_metadata",
      "complete_paper_examined_in_this_update": false
    },
    {
      "id": "P15052688",
      "pmid": "15052688",
      "doi": "10.3748/wjg.v10.i7.1032",
      "title": "Protective effects of pentadecapeptide BPC 157 on gastric ulcer in rats.",
      "url": "https://pubmed.ncbi.nlm.nih.gov/15052688/",
      "issue_year": "2004",
      "electronic_date": "",
      "access_depth": "abstract_excerpt_checked",
      "checked_details": "Primary record and selected abstract passages checked; no complete-paper appraisal credited.",
      "publication_types": [
        "Journal Article"
      ],
      "correction_notices": [],
      "cohort_note": "No independence claim made; cohort identity beyond the cited report was not exhaustively audited.",
      "baseline_access_depth": "abstract_metadata",
      "complete_paper_examined_in_this_update": false
    },
    {
      "id": "P16583442",
      "pmid": "16583442",
      "doi": "10.1002/jor.20096",
      "title": "Achilles detachment in rat and stable gastric pentadecapeptide BPC 157: Promoted tendon-to-bone healing and opposed corticosteroid aggravation.",
      "url": "https://pubmed.ncbi.nlm.nih.gov/16583442/",
      "issue_year": "2006",
      "electronic_date": "",
      "access_depth": "abstract_excerpt_checked",
      "checked_details": "Primary record and selected abstract passages checked; no complete-paper appraisal credited.",
      "publication_types": [
        "Journal Article",
        "Research Support, Non-U.S. Gov't"
      ],
      "correction_notices": [],
      "cohort_note": "No independence claim made; cohort identity beyond the cited report was not exhaustively audited.",
      "baseline_access_depth": "abstract_metadata",
      "complete_paper_examined_in_this_update": false
    },
    {
      "id": "P20225319",
      "pmid": "20225319",
      "doi": "10.1002/jor.21107",
      "title": "Pentadecapeptide BPC 157 (PL 14736) improves ligament healing in the rat.",
      "url": "https://pubmed.ncbi.nlm.nih.gov/20225319/",
      "issue_year": "2010",
      "electronic_date": "",
      "access_depth": "abstract_excerpt_checked",
      "checked_details": "Primary record and selected abstract passages checked; no complete-paper appraisal credited.",
      "publication_types": [
        "Journal Article"
      ],
      "correction_notices": [],
      "cohort_note": "No independence claim made; cohort identity beyond the cited report was not exhaustively audited.",
      "baseline_access_depth": "abstract_metadata",
      "complete_paper_examined_in_this_update": false
    },
    {
      "id": "P21030672",
      "pmid": "21030672",
      "doi": "10.1152/japplphysiol.00945.2010",
      "title": "The promoting effect of pentadecapeptide BPC 157 on tendon healing involves tendon outgrowth, cell survival, and cell migration.",
      "url": "https://pubmed.ncbi.nlm.nih.gov/21030672/",
      "issue_year": "2011",
      "electronic_date": "2010-10-28",
      "access_depth": "abstract_excerpt_checked",
      "checked_details": "Primary record and selected abstract passages checked; no complete-paper appraisal credited.",
      "publication_types": [
        "Journal Article",
        "Research Support, Non-U.S. Gov't"
      ],
      "correction_notices": [],
      "cohort_note": "No independence claim made; cohort identity beyond the cited report was not exhaustively audited.",
      "baseline_access_depth": "abstract_metadata",
      "complete_paper_examined_in_this_update": false
    },
    {
      "id": "P29358856",
      "pmid": "29358856",
      "doi": "10.3748/wjg.v23.i48.8465",
      "title": "Stable gastric pentadecapeptide BPC 157 in the treatment of colitis and ischemia and reperfusion in rats: New insights.",
      "url": "https://pubmed.ncbi.nlm.nih.gov/29358856/",
      "issue_year": "2017",
      "electronic_date": "",
      "access_depth": "abstract_excerpt_checked",
      "checked_details": "Primary record and selected abstract passages checked; no complete-paper appraisal credited.",
      "publication_types": [
        "Journal Article"
      ],
      "correction_notices": [],
      "cohort_note": "No independence claim made; cohort identity beyond the cited report was not exhaustively audited.",
      "baseline_access_depth": "abstract_metadata",
      "complete_paper_examined_in_this_update": false
    },
    {
      "id": "P34324435",
      "pmid": "34324435",
      "doi": "",
      "title": "Intra-Articular Injection of BPC 157 for Multiple Types of Knee Pain.",
      "url": "https://pubmed.ncbi.nlm.nih.gov/34324435/",
      "issue_year": "2021",
      "electronic_date": "",
      "access_depth": "abstract_excerpt_checked",
      "checked_details": "Primary record and selected abstract passages checked; no complete-paper appraisal credited.",
      "publication_types": [
        "Journal Article"
      ],
      "correction_notices": [],
      "cohort_note": "No independence claim made; cohort identity beyond the cited report was not exhaustively audited.",
      "baseline_access_depth": "abstract_metadata",
      "complete_paper_examined_in_this_update": false
    },
    {
      "id": "P36588717",
      "pmid": "36588717",
      "doi": "10.3389/fphar.2022.1026182",
      "title": "Pharmacokinetics, distribution, metabolism, and excretion of body-protective compound 157, a potential drug for treating various wounds, in rats and dogs.",
      "url": "https://pubmed.ncbi.nlm.nih.gov/36588717/",
      "issue_year": "2022",
      "electronic_date": "2022-12-14",
      "access_depth": "full_text_partial",
      "checked_details": "Rat and dog Results and material-identification Methods: rapid intact-peptide elimination, species-specific IM bioavailability and separately synthesized tritiated material. Human exposure was not measured.",
      "publication_types": [
        "Journal Article"
      ],
      "correction_notices": [],
      "cohort_note": "No independence claim made; cohort identity beyond the cited report was not exhaustively audited.",
      "baseline_access_depth": "abstract_metadata",
      "complete_paper_examined_in_this_update": false
    },
    {
      "id": "P39325560",
      "pmid": "39325560",
      "doi": "",
      "title": "Effect of BPC-157 on Symptoms in Patients with Interstitial Cystitis: A Pilot Study.",
      "url": "https://pubmed.ncbi.nlm.nih.gov/39325560/",
      "issue_year": "2024",
      "electronic_date": "",
      "access_depth": "abstract_excerpt_checked",
      "checked_details": "Primary record and selected abstract passages checked; no complete-paper appraisal credited.",
      "publication_types": [
        "Journal Article"
      ],
      "correction_notices": [],
      "cohort_note": "No independence claim made; cohort identity beyond the cited report was not exhaustively audited.",
      "baseline_access_depth": "abstract_metadata",
      "complete_paper_examined_in_this_update": false
    },
    {
      "id": "P40131143",
      "pmid": "40131143",
      "doi": "",
      "title": "Safety of Intravenous Infusion of BPC157 in Humans: A Pilot Study.",
      "url": "https://pubmed.ncbi.nlm.nih.gov/40131143/",
      "issue_year": "2025",
      "electronic_date": "",
      "access_depth": "abstract_excerpt_checked",
      "checked_details": "Primary record and selected abstract passages checked; no complete-paper appraisal credited.",
      "publication_types": [
        "Journal Article"
      ],
      "correction_notices": [],
      "cohort_note": "No independence claim made; cohort identity beyond the cited report was not exhaustively audited.",
      "baseline_access_depth": "abstract_metadata",
      "complete_paper_examined_in_this_update": false
    },
    {
      "id": "P42542926",
      "pmid": "42542926",
      "doi": "10.52312/jdrs.2026.2951",
      "title": "Effects of BPC-157 and TB-500 on Achilles tendon healing in rats: A histopathological and biomechanical study.",
      "url": "https://pubmed.ncbi.nlm.nih.gov/42542926/",
      "issue_year": "2026",
      "electronic_date": "2026-07-23",
      "access_depth": "abstract_excerpt_checked",
      "checked_details": "Primary record and selected abstract passages checked; no complete-paper appraisal credited.",
      "publication_types": [
        "Journal Article"
      ],
      "correction_notices": [],
      "cohort_note": "No independence claim made; cohort identity beyond the cited report was not exhaustively audited.",
      "baseline_access_depth": "full_text_partial",
      "complete_paper_examined_in_this_update": false
    }
  ],
  "access_counts": {
    "full_text_partial": 1,
    "abstract_excerpt_checked": 10,
    "metadata_only": 0
  },
  "browser_messages": 2,
  "targeted_check": {
    "pmid": "36588717",
    "provider_access": "selected primary full-text passages reported by Consensus",
    "independent_primary_body_crosscheck": true,
    "verification_scope": "Rat and dog Results and material-identification Methods: rapid intact-peptide elimination, species-specific IM bioavailability and separately synthesized tritiated material. Human exposure was not measured."
  },
  "editorial_warning": "",
  "reading_limit": "This focused addendum does not establish 50–70 complete primary Methods/Results examinations per review. Baseline reading receipts and scores retain their original scope.",
  "method": "Case-specific Consensus records assisted gap discovery, chronology and targeted paper questions. Shared template wording about an amyloid-specific Deep follow-up is not evidence of a Deep run for this topic; the dated source records establish the actual use and access limits. Primary identifiers, selected abstract passages, correction notices and available primary-body passages were cross-checked. Generated absence cells, duplicate milestones and unsupported access claims were rejected."
}