FDA FAERS Adverse Event Reports

111000
Total Reports
60668
Serious Reports
108
Reporter Countries
Clear
25960036 Type 1
Non-Serious
DUPIXENT, 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-2025SA313927
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
Female
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (7)

Eczema (v28.1) Recovered
Skin swelling (v28.1) Recovered
Skin discolouration (v28.1) Recovered
Skin exfoliation (v28.1) Recovered
Asthma (v28.1) Recovered
Chronic obstructive pulmonary disease (v28.1) Recovered
Injection site reaction (v28.1) Recovered

Drugs (3)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 600 MG, 1X | Form: Solution for injection | Indication: Eczema | Action: Withdrawn
Auth#: 761055 | Batch#: -- | Structured Dosage: 600.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: -- -- | Cumulative: -- (unit: --)
Start: 10/01/2023 | End: 10/01/2023 | Duration: -- -- | Rechallenge: -- | Additional: Yes
Recurrences: --
DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, QOW | Form: Solution for injection | Indication: Asthma | Action: Withdrawn
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 2.0 wk | Cumulative: -- (unit: --)
Start: 01/01/2023 | End: 06/01/2025 | Duration: -- -- | Rechallenge: -- | Additional: Yes
Recurrences: --
DUPIXENT (DUPILUMAB) Suspect
Route: -- | Dosage: -- | Form: Solution for injection | Indication: Chronic obstructive pulmonary disease | Action: Withdrawn
Auth#: 761055 | Batch#: -- | Structured Dosage: -- (unit: --) | Separate Dosage#: -- | Interval: -- -- | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Yes
Recurrences: --

Clinical Narrative

--

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435ac3b3830196fa57262", "safetyreportid": "25960036", "authoritynumb": null, "companynumb": "US-SA-2025SA313927", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": 5, "patientweight": null, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Eczema", "reactionoutcome": 1 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Skin swelling", "reactionoutcome": 1 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Skin discolouration", "reactionoutcome": 1 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Skin exfoliation", "reactionoutcome": 1 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Asthma", "reactionoutcome": 1 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Chronic obstructive pulmonary disease", "reactionoutcome": 1 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Injection site reaction", "reactionoutcome": 1 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "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": "Eczema", "drugstartdateformat": "610", "drugstartdate": "2023-10-01T00:00:00", "drugenddateformat": "610", "drugenddate": "2023-10-01T00:00:00", "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 1, "actiondrug": 1, "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": "Asthma", "drugstartdateformat": "602", "drugstartdate": "2023-01-01T00:00:00", "drugenddateformat": "610", "drugenddate": "2025-06-01T00:00:00", "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 1, "actiondrug": 1, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] }, { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": null, "drugstructuredosageunit": null, "drugseparatedosagenumb": null, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": null, "drugdosageform": "Solution for injection", "drugadministrationroute": null, "drugindication": "Chronic obstructive pulmonary disease", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 1, "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": "2026-01-17T00:00:00", "transmissiondateformat": "102" }
25960040 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-2025SA314271
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
42.0 yr
Patient Age Group
Adult
Patient Sex
Male
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (1)

Product use in unapproved indication (v28.1) Unknown

Drugs (2)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 600 MG, 1X | Form: Solution for injection | Indication: Dermatitis contact | Action: Unknown
Auth#: 761055 | Batch#: -- | Structured Dosage: 600.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: -- -- | Cumulative: -- (unit: --)
Start: 09/21/2025 | End: 09/21/2025 | Duration: 1.0 day | Rechallenge: -- | Additional: Unknown
Recurrences: --
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: 10/01/2025 | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --

Clinical Narrative

CASE EVENT DATE: 20250921

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435ac3b3830196fa57261", "safetyreportid": "25960040", "authoritynumb": null, "companynumb": "US-SA-2025SA314271", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 42.0, "patientonsetageunit": 801, "patientagegroup": 5, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Product use in unapproved indication", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "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": "Dermatitis contact", "drugstartdateformat": "102", "drugstartdate": "2025-09-21T00:00:00", "drugenddateformat": "102", "drugenddate": "2025-09-21T00:00:00", "drugtreatmentduration": 1.0, "drugtreatmentdurationunit": 804, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "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": "Dermatitis atopic", "drugstartdateformat": "610", "drugstartdate": "2025-10-01T00:00:00", "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": "CASE EVENT DATE: 20250921" }, "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" }
25960039 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-2025SA315541
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
Elderly
Patient Sex
Female
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (2)

Dermatitis atopic (v28.1) Unknown
Therapeutic response decreased (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: 08/01/2024 | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --

Clinical Narrative

--

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435ac3b3830196fa57260", "safetyreportid": "25960039", "authoritynumb": null, "companynumb": "US-SA-2025SA315541", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": 6, "patientweight": null, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Dermatitis atopic", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Therapeutic response decreased", "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": "2024-08-01T00:00:00", "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": "2026-01-17T00:00:00", "transmissiondateformat": "102" }
25960042 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-2025SA315343
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
76.0 yr
Patient Age Group
Elderly
Patient Sex
Male
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (1)

Tooth infection (v28.1) Unknown

Drugs (1)

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

Clinical Narrative

CASE EVENT DATE: 20250101

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435ac3b3830196fa5725f", "safetyreportid": "25960042", "authoritynumb": null, "companynumb": "US-SA-2025SA315343", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 76.0, "patientonsetageunit": 801, "patientagegroup": 6, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Tooth infection", "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 obstructive pulmonary disease", "drugstartdateformat": "610", "drugstartdate": "2025-07-01T00:00:00", "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" }
25960041 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-2025SA314791
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
Male
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (3)

Nasal polyps (v28.1) Unknown
Renal cyst (v28.1) Unknown
Intentional product misuse (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: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --

Clinical Narrative

CASE EVENT DATE: 20250101

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435ac3b3830196fa5725e", "safetyreportid": "25960041", "authoritynumb": null, "companynumb": "US-SA-2025SA314791", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 53.0, "patientonsetageunit": 801, "patientagegroup": 5, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Nasal polyps", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Renal cyst", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Intentional product misuse", "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": null, "drugstartdate": null, "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": "2026-01-17T00:00:00", "transmissiondateformat": "102" }
25960037 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-2025SA315559
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
58.0 yr
Patient Age Group
Adult
Patient Sex
Male
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (3)

Nausea (v28.1) Unknown
Abdominal discomfort (v28.1) Unknown
Decreased appetite (v28.1) Unknown

Drugs (1)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, QOW | Form: Solution for injection | Indication: Nasal polyps | Action: Unknown
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 2.0 wk | Cumulative: -- (unit: --)
Start: 08/13/2025 | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --

Clinical Narrative

CASE EVENT DATE: 20250101

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435ac3b3830196fa5725d", "safetyreportid": "25960037", "authoritynumb": null, "companynumb": "US-SA-2025SA315559", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 58.0, "patientonsetageunit": 801, "patientagegroup": 5, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Nausea", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Abdominal discomfort", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Decreased appetite", "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": "Nasal polyps", "drugstartdateformat": "102", "drugstartdate": "2025-08-13T00:00:00", "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": "2026-01-17T00:00:00", "transmissiondateformat": "102" }
25960038 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-2025SA315006
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
70.0 yr
Patient Age Group
Elderly
Patient Sex
Male
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (1)

Feeling jittery (v28.1) Recovered

Drugs (1)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, QOW | Form: Solution for injection | Indication: Chronic obstructive pulmonary disease | Action: Unknown
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 2.0 wk | Cumulative: -- (unit: --)
Start: 09/16/2025 | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --

Clinical Narrative

CASE EVENT DATE: 20250917

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435ac3b3830196fa5725c", "safetyreportid": "25960038", "authoritynumb": null, "companynumb": "US-SA-2025SA315006", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 70.0, "patientonsetageunit": 801, "patientagegroup": 6, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Feeling jittery", "reactionoutcome": 1 } ], "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 obstructive pulmonary disease", "drugstartdateformat": "102", "drugstartdate": "2025-09-16T00:00:00", "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": "CASE EVENT DATE: 20250917" }, "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" }
25960035 Type 1
Non-Serious
DUPIXENT, DUPIXENT
Report Version
1
Receive Date
10/26/2025
Receipt Date
10/26/2025
Transmission Date
01/19/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Other Health Professional
Literature Reference
--
Company Number
US-SA-2025SA315542
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
2.0 yr
Patient Age Group
Child
Patient Sex
Male
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (2)

Dermatitis atopic (v28.1) Unknown
Inappropriate schedule of product administration (v28.1) Unknown

Drugs (2)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, Q4W | Form: Solution for injection | Indication: Dermatitis atopic | Action: Unknown
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 4.0 wk | Cumulative: -- (unit: --)
Start: 01/01/2025 | End: 01/01/2025 | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --
DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, Q6W | Form: Solution for injection | Indication: -- | Action: Unknown
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 6.0 wk | Cumulative: -- (unit: --)
Start: 01/01/2025 | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --

Clinical Narrative

CASE EVENT DATE: 20250101

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435ac3b3830196fa5725a", "safetyreportid": "25960035", "authoritynumb": null, "companynumb": "US-SA-2025SA315542", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 2.0, "patientonsetageunit": 801, "patientagegroup": 3, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Dermatitis atopic", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Inappropriate schedule of product administration", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 4.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG, Q4W", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": "Dermatitis atopic", "drugstartdateformat": "610", "drugstartdate": "2025-01-01T00:00:00", "drugenddateformat": "602", "drugenddate": "2025-01-01T00:00:00", "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] }, { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 6.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG, Q6W", "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": 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": "2026-01-19T00:00:00", "transmissiondateformat": "102" }
25960034 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-2025SA314721
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
4.0 yr
Patient Age Group
Child
Patient Sex
Female
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (2)

Rash erythematous (v28.1) Unknown
Product use in unapproved indication (v28.1) Unknown

Drugs (1)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 200 MG, Q4W | Form: Solution for injection | Indication: Dermatitis | Action: Unknown
Auth#: 761055 | Batch#: -- | Structured Dosage: 200.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 4.0 wk | Cumulative: -- (unit: --)
Start: 07/01/2025 | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --

Clinical Narrative

CASE EVENT DATE: 20250101

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435ac3b3830196fa57259", "safetyreportid": "25960034", "authoritynumb": null, "companynumb": "US-SA-2025SA314721", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 4.0, "patientonsetageunit": 801, "patientagegroup": 3, "patientweight": null, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Rash erythematous", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Product use in unapproved indication", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 200.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 4.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "200 MG, Q4W", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": "Dermatitis", "drugstartdateformat": "610", "drugstartdate": "2025-07-01T00:00:00", "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" }
25960033 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
Consumer
Literature Reference
--
Company Number
US-SANOFI-02696157
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
--
Patient Age Group
Elderly
Patient Sex
Female
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (1)

Product prescribing issue (v28.1) Unknown

Drugs (1)

DUPIXENT (DUPILUMAB) Suspect
Route: -- | Dosage: -- | Form: Solution for injection | Indication: -- | Action: Unknown
Auth#: 761055 | Batch#: -- | Structured Dosage: -- (unit: --) | Separate Dosage#: -- | Interval: -- -- | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --

Clinical Narrative

--

Report Duplicates (1)

SANOFI: US-SANOFI-02696157

Raw JSON (click to expand)

{ "_id": "69d435ac3b3830196fa57258", "safetyreportid": "25960033", "authoritynumb": null, "companynumb": "US-SANOFI-02696157", "duplicate": 1, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": 6, "patientweight": null, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Product prescribing issue", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": null, "drugstructuredosageunit": null, "drugseparatedosagenumb": null, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": null, "drugdosageform": "Solution for injection", "drugadministrationroute": null, "drugindication": null, "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": 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-02696157" } ], "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" }