{"hq_id":"hq-c-org-000429","name":"Tamoxifen","context":"human_adult","timestamp":"2026-10-27T17:55:16.617Z","derived_by":{"label":"ALETHEIA-derived","engine":{"commit":"a1c6e861599cc34c5db0318ea1a7ac13a327e074","commit_source":"vercel_env","tree_clean":null},"params":{"sha256":"88ae43137e58ed0cd65588409efefee0d90253da01ef4459bf9ee25f888ec9a0","files":["axes.json","context-specificity.json","regulatory-mappings.json","synthesis-params.json","thresholds.json"]},"clock":{"year":2026},"inputs":[{"id":"hq-c-org-000429","sha256":"8714c3115a0c8c23cf8608653a31997322ec27ae9e885fbe01f22f2148db3249"}]},"risk_level":"severe","risk_profile":{"magnitude":{"mean":0.740659,"weightedMean":0.740659,"std_dev":0.236172,"confidence_interval_95":[0.35,0.95],"source_positions":[{"source":"IARC","year":2012,"value":0.95,"weight":0.41},{"source":"EPA CTX / NTP RoC","year":2021,"value":0.85,"weight":0.30176},{"source":"EPA CTX / CalEPA","year":2021,"value":0.8,"weight":0.30176},{"source":"HQ_DIRECT","year":2026,"value":0.35,"weight":0.35}]},"confidence":{"mean":0.73786,"weightedMean":0.73786,"std_dev":0.139778,"confidence_interval_95":[0.5,0.82],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.5,"weight":0.35},{"source":"IARC","year":2012,"value":0.82,"weight":0.41},{"source":"EPA CTX / NTP RoC","year":2021,"value":0.82,"weight":0.30176},{"source":"EPA CTX / CalEPA","year":2021,"value":0.82,"weight":0.30176}]},"recency":{"mean":0.569919,"weightedMean":0.569919,"std_dev":0.258835,"confidence_interval_95":[0.368,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":1,"weight":0.35},{"source":"IARC","year":2012,"value":0.5,"weight":0.41},{"source":"EPA CTX / NTP RoC","year":2021,"value":0.368,"weight":0.30176},{"source":"EPA CTX / CalEPA","year":2021,"value":0.368,"weight":0.30176}]},"methodology":{"mean":0.922993,"weightedMean":0.922993,"std_dev":0.131042,"confidence_interval_95":[0.7,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.7,"weight":0.35},{"source":"IARC","year":2012,"value":1,"weight":0.41},{"source":"EPA CTX / NTP RoC","year":2021,"value":1,"weight":0.30176},{"source":"EPA CTX / CalEPA","year":2021,"value":1,"weight":0.30176}]},"specificity":{"mean":0.793637,"weightedMean":0.793637,"std_dev":0.074257,"confidence_interval_95":[0.75,0.92],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.92,"weight":0.35},{"source":"IARC","year":2012,"value":0.75,"weight":0.41},{"source":"EPA CTX / NTP RoC","year":2021,"value":0.75,"weight":0.30176},{"source":"EPA CTX / CalEPA","year":2021,"value":0.75,"weight":0.30176}]},"consensus":{"exists":false,"strength":0,"disagreement_magnitude":0.40775,"warning":null}},"interpretation":{"summary":"Regulatory agencies show substantial disagreement. IARC classifies as higher risk (95th percentile), while HQ_DIRECT concludes lower risk (35th percentile).","confidence_note":"Moderate-quality evidence base. Disagreement reflects methodological and interpretive differences, not data quality issues.","context_note":null,"warning":null},"sources":[{"id":"iarc_tamoxifen_vol100a_2012","type":"iarc_monograph","title":"IARC Monographs Volume 100A: Pharmaceuticals — Tamoxifen Group 1; Endometrial Cancer in Breast Cancer Patients; SERM Tissue-Specific Estrogenic Activity; Alpha-Hydroxytamoxifen DNA Adducts; Breast Cancer Chemoprevention Net Benefit","year":2012,"url":"https://www.ncbi.nlm.nih.gov/books/NBK304326/"},{"id":"r60-2026-09-30-d918-oehha-prop65-list-csv-own-url","type":"regulatory","title":"PROPOSITION 65 LIST OF CARCINOGENS OR REPRODUCTIVE TOXICANTS","year":2026,"url":"https://oehha.ca.gov/sites/default/files/media/2025-01/p65chemicalslist.csv"},{"id":"r60-2026-09-26-d867-cc1-iarc-list-of-classifications-loc-app","type":"regulatory","title":"IARC Monographs, List of Classifications","year":2026,"url":"https://monographs.iarc.who.int/list-of-classifications"},{"id":"r60-ntp-roc-15th-listed-substances","type":"regulatory","title":"Substances Listed in the Fifteenth Report on Carcinogens","url":"https://ntp.niehs.nih.gov/sites/default/files/ntp/roc/content/listed_substances_508.pdf"},{"id":"r60-2026-10-02-d983-ac4-ctx-apis-data-domains","type":"regulatory","title":"Computational Toxicology and Exposure APIs: Data Domains (EPA CCTE)","url":"https://www.epa.gov/comptox-tools/computational-toxicology-and-exposure-apis-data-domains"},{"id":"r60-2026-10-02-d983-ac4-ctx-dashboard-release-notes","type":"regulatory","title":"CompTox Chemicals Dashboard: Release Notes (EPA)","url":"https://www.epa.gov/chemical-research/comptox-chemicals-dashboard-release-notes"},{"id":"echa-chem-reach-registrations","type":"regulatory","title":"ECHA CHEM, Download all substances: REACH registrations (ECHA's own list of REACH-registered substances)","year":2026,"url":"https://chem.echa.europa.eu/"},{"id":"pubchem-computed-cid-2733526","type":"database","title":"PubChem computed properties for CID 2733526 (computed, not measured; as recorded by PubChem)","year":2026,"url":"https://pubchem.ncbi.nlm.nih.gov/compound/2733526"},{"id":"r60-2026-10-08-d974-tedx-list-full-export","type":"reference_database","title":"TEDX List of Potential Endocrine Disruptors, full export (Excel from the publisher's own search, operator-saved 2026-10-08; list last updated September 2018)","url":"https://endocrinedisruption.org/interactive-tools/tedx-list-of-potential-endocrine-disruptors/search-the-tedx-list"},{"id":"r60-2026-10-02-d-955-s9-d955-s9-osha-table-z-1","type":"regulatory","title":"Permissible Exposure Limits – OSHA Annotated Table Z-1","url":"https://www.osha.gov/annotated-pels/table-z-1"},{"id":"pubchem-exp-human-metabolome-database-cid-2733526","type":"database","title":"Human Metabolome Database (HMDB), as recorded by PubChem (Experimental Properties, CID 2733526; where-to-look, not a source of this value)","year":2026,"url":"https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/compound/2733526/JSON?heading=Experimental+Properties"},{"id":"ctx_pred_dtxsid1034187","type":"reference","title":"EPA CompTox CTX API: predicted properties for DTXSID1034187 (Tamoxifen)","url":"https://comptox.epa.gov/ctx-api/chemical/property/predicted/search/by-dtxsid/DTXSID1034187"},{"id":"pubchem-computed-structure-cid-2733526","type":"database","title":"PubChem computed structure descriptors for CID 2733526 (computed, not measured; as recorded by PubChem)","year":2026,"url":"https://pubchem.ncbi.nlm.nih.gov/compound/2733526"}],"sources_scope":"record","derived_markers":[],"warnings":["year_inferred:EPA CTX / NTP RoC:2021","year_inferred:EPA CTX / CalEPA:2021","unmapped_classification:Denmark, as recorded by ToxValDB:skin irritation: skinirr2 (score: high)","unmapped_classification:Denmark, as recorded by ToxValDB:skin sensitization: skinsens1 (score: high)"],"meta":{"synthesis_version":"1.1.0","config_version":"1.1.0","n_sources":4,"db_version":47,"warnings":["year_inferred:EPA CTX / NTP RoC:2021","year_inferred:EPA CTX / CalEPA:2021","unmapped_classification:Denmark, as recorded by ToxValDB:skin irritation: skinirr2 (score: high)","unmapped_classification:Denmark, as recorded by ToxValDB:skin sensitization: skinsens1 (score: high)"]},"schema":"synthesis","_notice":"ALETHEIA output is reference data, not professional advice. Not a substitute for primary agency sources or qualified professionals. See https://aletheia.holisticquality.io/disclaimer.","_disclaimer_url":"https://aletheia.holisticquality.io/disclaimer","available_contexts":["human_adult","human_pregnant","aquatic_life","human_teen","human_elderly","human_infant"]}