FDA FAERS Adverse Event Reports

{ "_id": "69d435713b3830196fa53e52", "safetyreportid": "25947768", "authoritynumb": null, "companynumb": "US-REGENERON PHARMACEUTICALS, INC.-2025-016261", "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": "not reported", "drugstructuredosagenumb": 350.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 3.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "350 MG, Q3W, INFUSION", "drugdosageform": "Injection", "drugadministrationroute": null, "drugindication": "Metastasis", "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": 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": "2026-01-18T00:00:00", "transmissiondateformat": "102" }

{ "_id": "69d435713b3830196fa53e54", "safetyreportid": "25947767", "authoritynumb": null, "companynumb": "US-REGENERON PHARMACEUTICALS, INC.-2025-014606", "duplicate": null, "fulfillexpeditecriteria": 1, "occurcountry": "US", "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": null, "patientweight": null, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Chills", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "LIBTAYO", "drugauthorizationnumb": "761097", "drugbatchnumb": null, "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": [] }, { "drugcharacterization": 1, "medicinalproduct": "LORATADINE", "drugauthorizationnumb": null, "drugbatchnumb": null, "drugstructuredosagenumb": null, "drugstructuredosageunit": null, "drugseparatedosagenumb": null, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": null, "drugdosageform": null, "drugadministrationroute": null, "drugindication": "Premedication", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "LORATADINE" }, "drugrecurrence": [] }, { "drugcharacterization": 1, "medicinalproduct": "PEPCID AC", "drugauthorizationnumb": null, "drugbatchnumb": null, "drugstructuredosagenumb": null, "drugstructuredosageunit": null, "drugseparatedosagenumb": null, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": null, "drugdosageform": null, "drugadministrationroute": null, "drugindication": "Premedication", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "FAMOTIDINE" }, "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": 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": "69d435713b3830196fa53e51", "safetyreportid": "25947765", "authoritynumb": null, "companynumb": "US-REGENERON PHARMACEUTICALS, INC.-2024-167645", "duplicate": null, "fulfillexpeditecriteria": 1, "occurcountry": "US", "patient": { "patientonsetage": 80.0, "patientonsetageunit": 801, "patientagegroup": null, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Hyperhidrosis", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Fatigue", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Nausea", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Vomiting", "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": "042", "drugindication": "Squamous cell carcinoma of skin", "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": 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": "2026-01-18T00:00:00", "transmissiondateformat": "102" }

{ "_id": "69d435713b3830196fa53e4d", "safetyreportid": "25947760", "authoritynumb": null, "companynumb": "US-REGENERON PHARMACEUTICALS, INC.-2024-155291", "duplicate": null, "fulfillexpeditecriteria": 1, "occurcountry": "US", "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": null, "patientweight": null, "patientsex": null, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Hypoaesthesia", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Paraesthesia", "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": "065", "drugindication": "Product used for unknown indication", "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": 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": "69d435713b3830196fa53e4f", "safetyreportid": "25947763", "authoritynumb": null, "companynumb": "US-REGENERON PHARMACEUTICALS, INC.-2024-158780", "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": null, "drugstructuredosagenumb": null, "drugstructuredosageunit": null, "drugseparatedosagenumb": null, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": null, "drugdosageform": "Injection", "drugadministrationroute": null, "drugindication": "Salivary gland 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: 20241118" }, "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": "69d435713b3830196fa53e4c", "safetyreportid": "25947759", "authoritynumb": null, "companynumb": "US-REGENERON PHARMACEUTICALS, INC.-2024-144863", "duplicate": null, "fulfillexpeditecriteria": 1, "occurcountry": "US", "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": null, "patientweight": null, "patientsex": null, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Psoriasis", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Dry skin", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Rash", "reactionoutcome": 6 } ], "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": "Product used for unknown indication", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": 3, "drugadditional": 3, "actiondrug": 5, "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": 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": "69d435713b3830196fa53e4e", "safetyreportid": "25947762", "authoritynumb": null, "companynumb": "US-REGENERON PHARMACEUTICALS, INC.-2024-156789", "duplicate": null, "fulfillexpeditecriteria": 1, "occurcountry": "US", "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": null, "patientweight": null, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Breast swelling", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Blood thyroid stimulating hormone increased", "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": "FIRST INFUSION,LAST 6-8 WEEKS", "drugdosageform": "Injection", "drugadministrationroute": "065", "drugindication": "Non-small cell lung cancer", "drugstartdateformat": "602", "drugstartdate": "2024-01-01T00:00:00", "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": 4, "activesubstance": { "activesubstancename": "CEMIPLIMAB-RWLC" }, "drugrecurrence": [] }, { "drugcharacterization": 1, "medicinalproduct": "LIBTAYO", "drugauthorizationnumb": "761097", "drugbatchnumb": "not reported", "drugstructuredosagenumb": null, "drugstructuredosageunit": null, "drugseparatedosagenumb": null, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "SECOND INFUSION(DOSE)", "drugdosageform": "Injection", "drugadministrationroute": null, "drugindication": null, "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": 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": "2026-01-18T00:00:00", "transmissiondateformat": "102" }

{ "_id": "69d435713b3830196fa53e50", "safetyreportid": "25947764", "authoritynumb": null, "companynumb": "US-REGENERON PHARMACEUTICALS, INC.-2024-167916", "duplicate": null, "fulfillexpeditecriteria": 1, "occurcountry": "US", "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": null, "patientweight": null, "patientsex": null, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Pain", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "LIBTAYO", "drugauthorizationnumb": "761097", "drugbatchnumb": "unknown", "drugstructuredosagenumb": null, "drugstructuredosageunit": null, "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 3.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "UNK, Q3W", "drugdosageform": "Injection", "drugadministrationroute": "042", "drugindication": "Product used for unknown indication", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": 3, "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": "2026-01-18T00:00:00", "transmissiondateformat": "102" }

{ "_id": "69d435713b3830196fa53e4b", "safetyreportid": "25947757", "authoritynumb": null, "companynumb": "US-REGENERON PHARMACEUTICALS, INC.-2024-144737", "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 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Off label use", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "LIBTAYO", "drugauthorizationnumb": "761097", "drugbatchnumb": "NOT REPORTED", "drugstructuredosagenumb": null, "drugstructuredosageunit": null, "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 4.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "UNK, Q4W", "drugdosageform": "Injection", "drugadministrationroute": null, "drugindication": "Malignant melanoma", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": 3, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "CEMIPLIMAB-RWLC" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": "CASE EVENT DATE: 20241024" }, "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": "69d435713b3830196fa53e4a", "safetyreportid": "25947756", "authoritynumb": null, "companynumb": "US-REGENERON PHARMACEUTICALS, INC.-2024-141891", "duplicate": null, "fulfillexpeditecriteria": 1, "occurcountry": "US", "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": null, "patientweight": null, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Off label use", "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": "Cervix carcinoma", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": 3, "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" }