FDA FAERS Adverse Event Reports

{ "_id": "69d435733b3830196fa53e93", "safetyreportid": "25947828", "authoritynumb": null, "companynumb": "US-REGENERON PHARMACEUTICALS, INC.-2025-016262", "duplicate": null, "fulfillexpeditecriteria": 1, "occurcountry": "US", "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": null, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Off label use", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "LIBTAYO", "drugauthorizationnumb": "761097", "drugbatchnumb": "Unknown", "drugstructuredosagenumb": 350.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 3.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "350 MG, Q3W", "drugdosageform": "Injection", "drugadministrationroute": null, "drugindication": "Skin cancer", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "CEMIPLIMAB-RWLC" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": "CASE EVENT DATE: 20250113" }, "primarysource": { "reportercountry": "US", "qualification": 1, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-22T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-22T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "REGENERON" }, "serious": 2, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 2, "seriousnessdisabling": 2, "seriousnesshospitalization": 2, "seriousnesslifethreatening": 2, "seriousnessother": 2, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-17T00:00:00", "transmissiondateformat": "102" }

{ "_id": "69d435733b3830196fa53e92", "safetyreportid": "25947827", "authoritynumb": null, "companynumb": "US-REGENERON PHARMACEUTICALS, INC.-2025-028262", "duplicate": null, "fulfillexpeditecriteria": 1, "occurcountry": "US", "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": null, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Influenza like illness", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "LIBTAYO", "drugauthorizationnumb": "761097", "drugbatchnumb": "3F007A", "drugstructuredosagenumb": 350.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 3.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "350 MG, Q3W", "drugdosageform": "Injection", "drugadministrationroute": "042", "drugindication": "Non-small cell lung cancer", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": 1, "activesubstance": { "activesubstancename": "CEMIPLIMAB-RWLC" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": "CASE EVENT DATE: 20250101" }, "primarysource": { "reportercountry": "US", "qualification": 2, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-22T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-22T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "REGENERON" }, "serious": 2, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 2, "seriousnessdisabling": 2, "seriousnesshospitalization": 2, "seriousnesslifethreatening": 2, "seriousnessother": 2, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-17T00:00:00", "transmissiondateformat": "102" }

{ "_id": "69d435733b3830196fa53e91", "safetyreportid": "25947826", "authoritynumb": null, "companynumb": "US-REGENERON PHARMACEUTICALS, INC.-2025-026261", "duplicate": null, "fulfillexpeditecriteria": 1, "occurcountry": "US", "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": null, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Rash", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "LIBTAYO", "drugauthorizationnumb": "761097", "drugbatchnumb": "not reported", "drugstructuredosagenumb": null, "drugstructuredosageunit": null, "drugseparatedosagenumb": null, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "UNK", "drugdosageform": "Injection", "drugadministrationroute": null, "drugindication": "Squamous cell carcinoma", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": 3, "drugadditional": null, "actiondrug": 1, "activesubstance": { "activesubstancename": "CEMIPLIMAB-RWLC" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 5, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-22T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-22T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "REGENERON" }, "serious": 2, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 2, "seriousnessdisabling": 2, "seriousnesshospitalization": 2, "seriousnesslifethreatening": 2, "seriousnessother": 2, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-17T00:00:00", "transmissiondateformat": "102" }

{ "_id": "69d435733b3830196fa53e90", "safetyreportid": "25947825", "authoritynumb": null, "companynumb": "US-REGENERON PHARMACEUTICALS, INC.-2025-026146", "duplicate": null, "fulfillexpeditecriteria": 1, "occurcountry": "US", "patient": { "patientonsetage": 90.0, "patientonsetageunit": 801, "patientagegroup": null, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Myasthenia gravis", "reactionoutcome": 1 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "LIBTAYO", "drugauthorizationnumb": "761097", "drugbatchnumb": "unknown", "drugstructuredosagenumb": null, "drugstructuredosageunit": null, "drugseparatedosagenumb": null, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": null, "drugdosageform": "Injection", "drugadministrationroute": null, "drugindication": "Squamous cell carcinoma of skin", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 1, "actiondrug": 1, "activesubstance": { "activesubstancename": "CEMIPLIMAB-RWLC" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 1, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-22T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-22T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "REGENERON" }, "serious": 1, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 2, "seriousnessdisabling": 2, "seriousnesshospitalization": 2, "seriousnesslifethreatening": 2, "seriousnessother": 1, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-18T00:00:00", "transmissiondateformat": "102" }

{ "_id": "69d435733b3830196fa53e8f", "safetyreportid": "25947824", "authoritynumb": null, "companynumb": "US-REGENERON PHARMACEUTICALS, INC.-2025-024819", "duplicate": null, "fulfillexpeditecriteria": 1, "occurcountry": "US", "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": null, "patientweight": null, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Incorrect dose administered", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Infusion related reaction", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "LIBTAYO", "drugauthorizationnumb": "761097", "drugbatchnumb": "8344200003", "drugstructuredosagenumb": 350.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": null, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "350 MG", "drugdosageform": "Injection", "drugadministrationroute": "042", "drugindication": "Product used for unknown indication", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": "102", "drugenddate": "2025-01-29T00:00:00", "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": 3, "drugadditional": null, "actiondrug": 1, "activesubstance": { "activesubstancename": "CEMIPLIMAB-RWLC" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": "CASE EVENT DATE: 20250129" }, "primarysource": { "reportercountry": "US", "qualification": 3, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-22T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-22T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "REGENERON" }, "serious": 2, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 2, "seriousnessdisabling": 2, "seriousnesshospitalization": 2, "seriousnesslifethreatening": 2, "seriousnessother": 2, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-18T00:00:00", "transmissiondateformat": "102" }

{ "_id": "69d435733b3830196fa53e8e", "safetyreportid": "25947823", "authoritynumb": null, "companynumb": "US-REGENERON PHARMACEUTICALS, INC.-2025-053389", "duplicate": null, "fulfillexpeditecriteria": 1, "occurcountry": "US", "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": null, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Hypertension", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "LIBTAYO", "drugauthorizationnumb": "761097", "drugbatchnumb": "not reported", "drugstructuredosagenumb": null, "drugstructuredosageunit": null, "drugseparatedosagenumb": null, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": null, "drugdosageform": "Injection", "drugadministrationroute": null, "drugindication": "Squamous cell carcinoma of skin", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "CEMIPLIMAB-RWLC" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 3, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-22T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-22T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "REGENERON" }, "serious": 2, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 2, "seriousnessdisabling": 2, "seriousnesshospitalization": 2, "seriousnesslifethreatening": 2, "seriousnessother": 2, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-17T00:00:00", "transmissiondateformat": "102" }

{ "_id": "69d435733b3830196fa53e8d", "safetyreportid": "25947817", "authoritynumb": null, "companynumb": "EU-AFSSAPS-PA2025000941", "duplicate": null, "fulfillexpeditecriteria": 1, "occurcountry": "EU", "patient": { "patientonsetage": 55.0, "patientonsetageunit": 801, "patientagegroup": null, "patientweight": 102.0, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Mixed liver injury", "reactionoutcome": 3 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "NEFOPAM", "drugauthorizationnumb": null, "drugbatchnumb": null, "drugstructuredosagenumb": 4.0, "drugstructuredosageunit": "032", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 1.0, "drugintervaldosagedefinition": 804, "drugcumulativedosagenumb": 32.0, "drugcumulativedosageunit": "032", "drugdosagetext": "4 DOSAGE FORM, ONCE A DAY", "drugdosageform": "Unknown", "drugadministrationroute": "048", "drugindication": "Pain", "drugstartdateformat": "102", "drugstartdate": "2025-09-28T00:00:00", "drugenddateformat": "102", "drugenddate": "2025-10-01T00:00:00", "drugtreatmentduration": 3.0, "drugtreatmentdurationunit": 804, "drugrecurreadministration": null, "drugadditional": 2, "actiondrug": 1, "activesubstance": { "activesubstancename": "NEFOPAM" }, "drugrecurrence": [] }, { "drugcharacterization": 1, "medicinalproduct": "NEFOPAM", "drugauthorizationnumb": null, "drugbatchnumb": null, "drugstructuredosagenumb": 4.0, "drugstructuredosageunit": "032", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 1.0, "drugintervaldosagedefinition": 804, "drugcumulativedosagenumb": 32.0, "drugcumulativedosageunit": "032", "drugdosagetext": "4 DOSAGE FORM, ONCE A DAY", "drugdosageform": "Unknown", "drugadministrationroute": "048", "drugindication": null, "drugstartdateformat": "102", "drugstartdate": "2025-10-01T00:00:00", "drugenddateformat": "102", "drugenddate": "2025-10-06T00:00:00", "drugtreatmentduration": 5.0, "drugtreatmentdurationunit": 804, "drugrecurreadministration": null, "drugadditional": 2, "actiondrug": 1, "activesubstance": { "activesubstancename": "NEFOPAM" }, "drugrecurrence": [] }, { "drugcharacterization": 1, "medicinalproduct": "AMOXICILLIN", "drugauthorizationnumb": "65256", "drugbatchnumb": null, "drugstructuredosagenumb": 3.0, "drugstructuredosageunit": "032", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 1.0, "drugintervaldosagedefinition": 804, "drugcumulativedosagenumb": 27.0, "drugcumulativedosageunit": "032", "drugdosagetext": "3 DOSAGE FORM, ONCE A DAY", "drugdosageform": "Unknown", "drugadministrationroute": "048", "drugindication": "Tooth abscess", "drugstartdateformat": "102", "drugstartdate": "2025-09-28T00:00:00", "drugenddateformat": "102", "drugenddate": "2025-10-06T00:00:00", "drugtreatmentduration": 9.0, "drugtreatmentdurationunit": 804, "drugrecurreadministration": null, "drugadditional": 2, "actiondrug": 1, "activesubstance": { "activesubstancename": "AMOXICILLIN" }, "drugrecurrence": [] }, { "drugcharacterization": 1, "medicinalproduct": "ACETAMINOPHEN", "drugauthorizationnumb": "207229", "drugbatchnumb": null, "drugstructuredosagenumb": 3.0, "drugstructuredosageunit": "032", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 1.0, "drugintervaldosagedefinition": 804, "drugcumulativedosagenumb": 27.0, "drugcumulativedosageunit": "032", "drugdosagetext": "3 DOSAGE FORM, ONCE A DAY", "drugdosageform": "Unknown", "drugadministrationroute": "048", "drugindication": "Pain", "drugstartdateformat": "102", "drugstartdate": "2025-09-28T00:00:00", "drugenddateformat": "102", "drugenddate": "2025-10-06T00:00:00", "drugtreatmentduration": 9.0, "drugtreatmentdurationunit": 804, "drugrecurreadministration": null, "drugadditional": 2, "actiondrug": 1, "activesubstance": { "activesubstancename": "ACETAMINOPHEN" }, "drugrecurrence": [] }, { "drugcharacterization": 1, "medicinalproduct": "METRONIDAZOLE", "drugauthorizationnumb": "203974", "drugbatchnumb": null, "drugstructuredosagenumb": 1.0, "drugstructuredosageunit": "032", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 1.0, "drugintervaldosagedefinition": 804, "drugcumulativedosagenumb": 4.0, "drugcumulativedosageunit": "032", "drugdosagetext": "1 DOSAGE FORM, ONCE A DAY", "drugdosageform": "Unknown", "drugadministrationroute": "048", "drugindication": "Tooth abscess", "drugstartdateformat": "102", "drugstartdate": "2025-10-02T00:00:00", "drugenddateformat": "102", "drugenddate": "2025-10-06T00:00:00", "drugtreatmentduration": 4.0, "drugtreatmentdurationunit": 804, "drugrecurreadministration": null, "drugadditional": 2, "actiondrug": 1, "activesubstance": { "activesubstancename": "METRONIDAZOLE" }, "drugrecurrence": [] }, { "drugcharacterization": 1, "medicinalproduct": "ALPRAZOLAM", "drugauthorizationnumb": "090871", "drugbatchnumb": null, "drugstructuredosagenumb": 1.0, "drugstructuredosageunit": "032", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 1.0, "drugintervaldosagedefinition": 804, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "1 DOSAGE FORM, ONCE A DAY", "drugdosageform": "Unknown", "drugadministrationroute": "048", "drugindication": "Anxiety", "drugstartdateformat": "610", "drugstartdate": "2025-10-01T00:00:00", "drugenddateformat": "610", "drugenddate": "2025-10-01T00:00:00", "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "ALPRAZOLAM" }, "drugrecurrence": [] }, { "drugcharacterization": 1, "medicinalproduct": "MORPHINE SULFATE", "drugauthorizationnumb": null, "drugbatchnumb": null, "drugstructuredosagenumb": 1.0, "drugstructuredosageunit": "032", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 1.0, "drugintervaldosagedefinition": 804, "drugcumulativedosagenumb": 4.0, "drugcumulativedosageunit": "032", "drugdosagetext": "1 DOSAGE FORM, ONCE A DAY", "drugdosageform": "Unknown", "drugadministrationroute": "048", "drugindication": "Pain", "drugstartdateformat": "102", "drugstartdate": "2025-10-02T00:00:00", "drugenddateformat": "102", "drugenddate": "2025-10-06T00:00:00", "drugtreatmentduration": 4.0, "drugtreatmentdurationunit": 804, "drugrecurreadministration": null, "drugadditional": 2, "actiondrug": 1, "activesubstance": { "activesubstancename": "MORPHINE SULFATE" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": "CASE EVENT DATE: 20251006" }, "primarysource": { "reportercountry": "EU", "qualification": 2, "literaturereference": null }, "primarysourcecountry": "EU", "quarter": "2025Q4", "receiptdate": "2025-10-22T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-22T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "AUROBINDO" }, "serious": 1, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 2, "seriousnessdisabling": 2, "seriousnesshospitalization": 1, "seriousnesslifethreatening": 2, "seriousnessother": 1, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-17T00:00:00", "transmissiondateformat": "102" }

{ "_id": "69d435733b3830196fa53e8c", "safetyreportid": "25947822", "authoritynumb": null, "companynumb": "US-REGENERON PHARMACEUTICALS, INC.-2025-050624", "duplicate": null, "fulfillexpeditecriteria": 1, "occurcountry": "US", "patient": { "patientonsetage": 71.0, "patientonsetageunit": 801, "patientagegroup": null, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Chest discomfort", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Erythema", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "LIBTAYO", "drugauthorizationnumb": "761097", "drugbatchnumb": "not reported", "drugstructuredosagenumb": null, "drugstructuredosageunit": null, "drugseparatedosagenumb": null, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "UNK", "drugdosageform": "Injection", "drugadministrationroute": null, "drugindication": "Squamous cell carcinoma of skin", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": 4, "activesubstance": { "activesubstancename": "CEMIPLIMAB-RWLC" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 3, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-22T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-22T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "REGENERON" }, "serious": 2, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 2, "seriousnessdisabling": 2, "seriousnesshospitalization": 2, "seriousnesslifethreatening": 2, "seriousnessother": 2, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-17T00:00:00", "transmissiondateformat": "102" }

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