FDA FAERS Adverse Event Reports

111000
Total Reports
60668
Serious Reports
108
Reporter Countries
Clear
25960065 Type 1
Non-Serious
DUPIXENT
Report Version
1
Receive Date
10/26/2025
Receipt Date
10/26/2025
Transmission Date
01/18/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Other Health Professional
Literature Reference
--
Company Number
US-SA-2025SA307193
Authority Number
--
Sender Organization
SANOFI AVENTIS
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
No
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
95.0 yr
Patient Age Group
Elderly
Patient Sex
Male
Patient Weight
86.36 kg

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (1)

Drug ineffective (v28.1) Unknown

Drugs (1)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, QOW | Form: Solution for injection | Indication: Dermatitis atopic | Action: Withdrawn
Auth#: 761055 | Batch#: 5F648A | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 2.0 wk | Cumulative: -- (unit: --)
Start: -- | End: 08/01/2025 | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --

Clinical Narrative

--

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435ac3b3830196fa5727b", "safetyreportid": "25960065", "authoritynumb": null, "companynumb": "US-SA-2025SA307193", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 95.0, "patientonsetageunit": 801, "patientagegroup": 6, "patientweight": 86.36, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Drug ineffective", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": "5F648A", "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 2.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG, QOW", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": "Dermatitis atopic", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": "610", "drugenddate": "2025-08-01T00:00:00", "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": 1, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 3, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-26T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-26T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "SANOFI AVENTIS" }, "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" }
25960064 Type 1
Non-Serious
DUPIXENT, DUPIXENT
Report Version
1
Receive Date
10/26/2025
Receipt Date
10/26/2025
Transmission Date
01/18/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Other Health Professional
Literature Reference
--
Company Number
US-SA-2025SA315284
Authority Number
--
Sender Organization
SANOFI AVENTIS
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
No
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
64.0 yr
Patient Age Group
Adult
Patient Sex
Female
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (3)

Dermatitis atopic (v28.1) Unknown
Rash (v28.1) Unknown
Product dose omission issue (v28.1) Unknown

Drugs (2)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, QOW | Form: Solution for injection | Indication: Dermatitis atopic | Action: Not Applicable
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 2.0 wk | Cumulative: -- (unit: --)
Start: 09/01/2023 | End: 01/01/2025 | Duration: -- -- | Rechallenge: -- | Additional: 4
Recurrences: --
DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, QOW | Form: Solution for injection | Indication: -- | Action: Not Applicable
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 2.0 wk | Cumulative: -- (unit: --)
Start: 01/01/2025 | End: -- | Duration: -- -- | Rechallenge: -- | Additional: 4
Recurrences: --

Clinical Narrative

CASE EVENT DATE: 20250101

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435ac3b3830196fa5727a", "safetyreportid": "25960064", "authoritynumb": null, "companynumb": "US-SA-2025SA315284", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 64.0, "patientonsetageunit": 801, "patientagegroup": 5, "patientweight": null, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Dermatitis atopic", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Rash", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Product dose omission issue", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 2.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG, QOW", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": "Dermatitis atopic", "drugstartdateformat": "610", "drugstartdate": "2023-09-01T00:00:00", "drugenddateformat": "602", "drugenddate": "2025-01-01T00:00:00", "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 4, "actiondrug": 6, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] }, { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 2.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG, QOW", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": null, "drugstartdateformat": "602", "drugstartdate": "2025-01-01T00:00:00", "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 4, "actiondrug": 6, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": "CASE EVENT DATE: 20250101" }, "primarysource": { "reportercountry": "US", "qualification": 3, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-26T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-26T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "SANOFI AVENTIS" }, "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" }
25960062 Type 1
Non-Serious
DUPIXENT
Report Version
1
Receive Date
10/26/2025
Receipt Date
10/26/2025
Transmission Date
01/18/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Other Health Professional
Literature Reference
--
Company Number
US-SA-2025SA315643
Authority Number
--
Sender Organization
SANOFI AVENTIS
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
No
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
18.0 yr
Patient Age Group
Adult
Patient Sex
Female
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (1)

Incorrect dose administered (v28.1) Unknown

Drugs (1)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, QOW | Form: Solution for injection | Indication: Dermatitis atopic | Action: Unknown
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 2.0 wk | Cumulative: -- (unit: --)
Start: 09/01/2024 | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --

Clinical Narrative

CASE EVENT DATE: 20240901

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435ac3b3830196fa57279", "safetyreportid": "25960062", "authoritynumb": null, "companynumb": "US-SA-2025SA315643", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 18.0, "patientonsetageunit": 801, "patientagegroup": 5, "patientweight": null, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Incorrect dose administered", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 2.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG, QOW", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": "Dermatitis atopic", "drugstartdateformat": "610", "drugstartdate": "2024-09-01T00:00:00", "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": "CASE EVENT DATE: 20240901" }, "primarysource": { "reportercountry": "US", "qualification": 3, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-26T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-26T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "SANOFI AVENTIS" }, "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" }
25960061 Type 1
Non-Serious
DUPIXENT
Report Version
1
Receive Date
10/26/2025
Receipt Date
10/26/2025
Transmission Date
01/18/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Other Health Professional
Literature Reference
--
Company Number
US-SA-2025SA315831
Authority Number
--
Sender Organization
SANOFI AVENTIS
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
No
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
52.0 yr
Patient Age Group
Adult
Patient Sex
Male
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (2)

Asthma (v28.1) Unknown
Therapeutic response shortened (v28.1) Unknown

Drugs (1)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 200 MG, QOW | Form: Solution for injection | Indication: Asthma | Action: Unknown
Auth#: 761055 | Batch#: -- | Structured Dosage: 200.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 2.0 wk | Cumulative: -- (unit: --)
Start: 08/01/2025 | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --

Clinical Narrative

CASE EVENT DATE: 20250101

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435ac3b3830196fa57278", "safetyreportid": "25960061", "authoritynumb": null, "companynumb": "US-SA-2025SA315831", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 52.0, "patientonsetageunit": 801, "patientagegroup": 5, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Asthma", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Therapeutic response shortened", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 200.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 2.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "200 MG, QOW", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": "Asthma", "drugstartdateformat": "610", "drugstartdate": "2025-08-01T00:00:00", "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": "CASE EVENT DATE: 20250101" }, "primarysource": { "reportercountry": "US", "qualification": 3, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-26T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-26T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "SANOFI AVENTIS" }, "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" }
25960059 Type 1
Non-Serious
DUPIXENT
Report Version
1
Receive Date
10/26/2025
Receipt Date
10/26/2025
Transmission Date
01/18/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Consumer
Literature Reference
--
Company Number
US-SANOFI-02696762
Authority Number
--
Sender Organization
SANOFI AVENTIS
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
No
Duplicate
1
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
82.0 yr
Patient Age Group
Elderly
Patient Sex
Male
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (2)

Eczema (v28.1) Unknown
Pruritus (v28.1) Unknown

Drugs (1)

DUPIXENT (DUPILUMAB) Suspect
Route: -- | Dosage: UNK, QOW | Form: Solution for injection | Indication: Eczema | Action: Not Applicable
Auth#: 761055 | Batch#: -- | Structured Dosage: -- (unit: --) | Separate Dosage#: 1.0 | Interval: 2.0 wk | Cumulative: -- (unit: --)
Start: 01/01/2024 | End: -- | Duration: -- -- | Rechallenge: -- | Additional: 4
Recurrences: --

Clinical Narrative

--

Report Duplicates (1)

SANOFI: US-SANOFI-02696762

Raw JSON (click to expand)

{ "_id": "69d435ac3b3830196fa57277", "safetyreportid": "25960059", "authoritynumb": null, "companynumb": "US-SANOFI-02696762", "duplicate": 1, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 82.0, "patientonsetageunit": 801, "patientagegroup": 6, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Eczema", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Pruritus", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": null, "drugstructuredosageunit": null, "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 2.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "UNK, QOW", "drugdosageform": "Solution for injection", "drugadministrationroute": null, "drugindication": "Eczema", "drugstartdateformat": "602", "drugstartdate": "2024-01-01T00:00:00", "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 4, "actiondrug": 6, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 5, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-26T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-26T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [ { "duplicatesource": "SANOFI", "duplicatenumb": "US-SANOFI-02696762" } ], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "SANOFI AVENTIS" }, "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" }
25960058 Type 1
Non-Serious
DUPIXENT
Report Version
1
Receive Date
10/26/2025
Receipt Date
10/26/2025
Transmission Date
01/18/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Consumer
Literature Reference
--
Company Number
US-SA-2025SA315153
Authority Number
--
Sender Organization
SANOFI AVENTIS
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
No
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
--
Patient Age Group
--
Patient Sex
Male
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (1)

Drug ineffective (v28.1) Unknown

Drugs (1)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, QOW | Form: Solution for injection | Indication: Chronic rhinosinusitis with nasal polyps | Action: Withdrawn
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 2.0 wk | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --

Clinical Narrative

--

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435ac3b3830196fa57275", "safetyreportid": "25960058", "authoritynumb": null, "companynumb": "US-SA-2025SA315153", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": null, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Drug ineffective", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 2.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG, QOW", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": "Chronic rhinosinusitis with nasal polyps", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": 1, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 5, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-26T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-26T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "SANOFI AVENTIS" }, "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" }
25960057 Type 1
Non-Serious
DUPIXENT
Report Version
1
Receive Date
10/26/2025
Receipt Date
10/26/2025
Transmission Date
01/18/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Other Health Professional
Literature Reference
--
Company Number
US-SA-2025SA314941
Authority Number
--
Sender Organization
SANOFI AVENTIS
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
No
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
73.0 yr
Patient Age Group
Elderly
Patient Sex
Female
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (1)

Product use in unapproved indication (v28.1) Unknown

Drugs (1)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, QOW | Form: Solution for injection | Indication: Chronic sinusitis | Action: Unknown
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 2.0 wk | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --

Clinical Narrative

--

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435ac3b3830196fa57274", "safetyreportid": "25960057", "authoritynumb": null, "companynumb": "US-SA-2025SA314941", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 73.0, "patientonsetageunit": 801, "patientagegroup": 6, "patientweight": null, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Product use in unapproved indication", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 2.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG, QOW", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": "Chronic sinusitis", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 3, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-26T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-26T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "SANOFI AVENTIS" }, "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" }
25960055 Type 1
Non-Serious
DUPIXENT
Report Version
1
Receive Date
10/26/2025
Receipt Date
10/26/2025
Transmission Date
01/17/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Other Health Professional
Literature Reference
--
Company Number
US-SA-2025SA315534
Authority Number
--
Sender Organization
SANOFI AVENTIS
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
No
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
53.0 yr
Patient Age Group
Adult
Patient Sex
Female
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (3)

Eczema (v28.1) Unknown
Pruritus (v28.1) Unknown
Drug ineffective (v28.1) Unknown

Drugs (1)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, QOW | Form: Solution for injection | Indication: Dermatitis atopic | Action: Withdrawn
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 2.0 wk | Cumulative: -- (unit: --)
Start: 07/01/2024 | End: 01/01/2025 | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --

Clinical Narrative

CASE EVENT DATE: 20250101

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435ac3b3830196fa57272", "safetyreportid": "25960055", "authoritynumb": null, "companynumb": "US-SA-2025SA315534", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 53.0, "patientonsetageunit": 801, "patientagegroup": 5, "patientweight": null, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Eczema", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Pruritus", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Drug ineffective", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 2.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG, QOW", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": "Dermatitis atopic", "drugstartdateformat": "610", "drugstartdate": "2024-07-01T00:00:00", "drugenddateformat": "602", "drugenddate": "2025-01-01T00:00:00", "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": 1, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": "CASE EVENT DATE: 20250101" }, "primarysource": { "reportercountry": "US", "qualification": 3, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-26T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-26T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "SANOFI AVENTIS" }, "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" }
25960054 Type 1
Non-Serious
DUPIXENT, DUPIXENT
Report Version
1
Receive Date
10/26/2025
Receipt Date
10/26/2025
Transmission Date
01/18/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Other Health Professional
Literature Reference
--
Company Number
US-SA-2025SA314954
Authority Number
--
Sender Organization
SANOFI AVENTIS
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
No
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
21.0 yr
Patient Age Group
Adult
Patient Sex
Female
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (3)

Dry eye (v28.1) Unknown
Arthralgia (v28.1) Unknown
Drug ineffective (v28.1) Unknown

Drugs (2)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 600 MG, 1X | Form: Solution for injection | Indication: Idiopathic urticaria | Action: Withdrawn
Auth#: 761055 | Batch#: FW0447 | Structured Dosage: 600.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: -- -- | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --
DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, QOW | Form: Solution for injection | Indication: -- | Action: Withdrawn
Auth#: 761055 | Batch#: FW0447 | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 2.0 wk | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --

Clinical Narrative

--

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435ac3b3830196fa57271", "safetyreportid": "25960054", "authoritynumb": null, "companynumb": "US-SA-2025SA314954", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 21.0, "patientonsetageunit": 801, "patientagegroup": 5, "patientweight": null, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Dry eye", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Arthralgia", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Drug ineffective", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": "FW0447", "drugstructuredosagenumb": 600.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "600 MG, 1X", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": "Idiopathic urticaria", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": 1, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] }, { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": "FW0447", "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 2.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG, QOW", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": null, "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": 1, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 3, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-26T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-26T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "SANOFI AVENTIS" }, "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" }
25960053 Type 1
Non-Serious
DUPIXENT, DUPIXENT
Report Version
1
Receive Date
10/26/2025
Receipt Date
10/26/2025
Transmission Date
01/17/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Other Health Professional
Literature Reference
--
Company Number
US-SA-2025SA314566
Authority Number
--
Sender Organization
SANOFI AVENTIS
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
No
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
--
Patient Age Group
Adult
Patient Sex
Male
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (3)

Gastrointestinal disorder (v28.1) Recovered
Gastritis (v28.1) Recovered
Incorrect product administration duration (v28.1) Unknown

Drugs (2)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, QW | Form: Solution for injection | Indication: Eosinophilic oesophagitis | Action: Dose Reduced
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 1.0 wk | Cumulative: -- (unit: --)
Start: 01/01/2023 | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Yes
Recurrences: --
DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG (EVERY 14 TO 21 DAYS) | Form: Solution for injection | Indication: -- | Action: Dose Reduced
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: -- | Interval: -- -- | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Yes
Recurrences: --

Clinical Narrative

--

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435ac3b3830196fa57270", "safetyreportid": "25960053", "authoritynumb": null, "companynumb": "US-SA-2025SA314566", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": 5, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Gastrointestinal disorder", "reactionoutcome": 1 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Gastritis", "reactionoutcome": 1 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Incorrect product administration duration", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 1.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG, QW", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": "Eosinophilic oesophagitis", "drugstartdateformat": "602", "drugstartdate": "2023-01-01T00:00:00", "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 1, "actiondrug": 2, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] }, { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": null, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG (EVERY 14 TO 21 DAYS)", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": null, "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 1, "actiondrug": 2, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 3, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-26T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-26T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "SANOFI AVENTIS" }, "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" }