FDA FAERS Adverse Event Reports

111000
Total Reports
60668
Serious Reports
108
Reporter Countries
Clear
25936846 Type 1
Non-Serious
KALYDECO
Report Version
1
Receive Date
10/17/2025
Receipt Date
10/17/2025
Transmission Date
01/18/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Consumer
Literature Reference
--
Company Number
US-VERTEX PHARMACEUTICALS-2025-017185
Authority Number
--
Sender Organization
VERTEX
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)

Gastrooesophageal reflux disease (v28.1) Unknown

Drugs (1)

KALYDECO (IVACAFTOR) Suspect
Route: 048 | Dosage: UNK | Form: Film-coated tablet | Indication: Cystic fibrosis | Action: Unknown
Auth#: 203188 | Batch#: -- | Structured Dosage: -- (unit: --) | Separate Dosage#: -- | Interval: -- -- | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: Unknown | Additional: Unknown
Recurrences: --

Clinical Narrative

--

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435343b3830196fa51174", "safetyreportid": "25936846", "authoritynumb": null, "companynumb": "US-VERTEX PHARMACEUTICALS-2025-017185", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": null, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Gastrooesophageal reflux disease", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "KALYDECO", "drugauthorizationnumb": "203188", "drugbatchnumb": null, "drugstructuredosagenumb": null, "drugstructuredosageunit": null, "drugseparatedosagenumb": null, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "UNK", "drugdosageform": "Film-coated tablet", "drugadministrationroute": "048", "drugindication": "Cystic fibrosis", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": 3, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "IVACAFTOR" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 5, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-17T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-17T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "VERTEX" }, "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" }
25936840 Type 1
Non-Serious
RIZATRIPTAN
Report Version
1
Receive Date
10/17/2025
Receipt Date
10/17/2025
Transmission Date
01/17/2026
Primary Source Country
US
Occurrence Country
--
Reporter Country
US
Reporter Qualification
Consumer
Literature Reference
--
Company Number
--
Authority Number
782269
Sender Organization
FDA-CTU
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
3
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
--
Patient Age Group
--
Patient Sex
--
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (1)

Drug ineffective (v28.1) --

Drugs (1)

RIZATRIPTAN (RIZATRIPTAN) Suspect
Route: -- | Dosage: -- | Form: -- | Indication: -- | Action: --
Auth#: -- | Batch#: -- | Structured Dosage: -- (unit: --) | Separate Dosage#: -- | Interval: -- -- | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --

Clinical Narrative

--

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435343b3830196fa51173", "safetyreportid": "25936840", "authoritynumb": "782269", "companynumb": null, "duplicate": null, "fulfillexpeditecriteria": 3, "occurcountry": null, "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": null, "patientweight": null, "patientsex": null, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Drug ineffective", "reactionoutcome": null } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "RIZATRIPTAN", "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": null, "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": null, "activesubstance": { "activesubstancename": "RIZATRIPTAN" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 5, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-17T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-17T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "FDA-CTU" }, "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" }
25936839 Type 1
Non-Serious
FLUTICASONE PROPIONATE
Report Version
1
Receive Date
10/17/2025
Receipt Date
10/17/2025
Transmission Date
01/17/2026
Primary Source Country
US
Occurrence Country
--
Reporter Country
US
Reporter Qualification
Consumer
Literature Reference
--
Company Number
--
Authority Number
782266
Sender Organization
FDA-CTU
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
3
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
--
Patient Age Group
--
Patient Sex
--
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (1)

Dyspnoea (v28.1) --

Drugs (1)

FLUTICASONE PROPIONATE (FLUTICASONE PROPIONATE) Suspect
Route: -- | Dosage: -- | Form: -- | Indication: -- | Action: --
Auth#: -- | Batch#: -- | Structured Dosage: -- (unit: --) | Separate Dosage#: -- | Interval: -- -- | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --

Clinical Narrative

--

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435343b3830196fa51172", "safetyreportid": "25936839", "authoritynumb": "782266", "companynumb": null, "duplicate": null, "fulfillexpeditecriteria": 3, "occurcountry": null, "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": null, "patientweight": null, "patientsex": null, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Dyspnoea", "reactionoutcome": null } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "FLUTICASONE PROPIONATE", "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": null, "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": null, "activesubstance": { "activesubstancename": "FLUTICASONE PROPIONATE" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 5, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-17T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-17T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "FDA-CTU" }, "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" }
25936838 Type 1
Non-Serious
ESCITALOPRAM
Report Version
1
Receive Date
10/17/2025
Receipt Date
10/17/2025
Transmission Date
01/18/2026
Primary Source Country
US
Occurrence Country
--
Reporter Country
US
Reporter Qualification
Consumer
Literature Reference
--
Company Number
--
Authority Number
782264
Sender Organization
FDA-CTU
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
3
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
--
Patient Age Group
--
Patient Sex
--
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (1)

Treatment failure (v28.1) --

Drugs (1)

ESCITALOPRAM (ESCITALOPRAM OXALATE) Suspect
Route: -- | Dosage: -- | Form: -- | Indication: -- | Action: --
Auth#: -- | Batch#: unknown | Structured Dosage: -- (unit: --) | Separate Dosage#: -- | Interval: -- -- | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --

Clinical Narrative

--

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435343b3830196fa51171", "safetyreportid": "25936838", "authoritynumb": "782264", "companynumb": null, "duplicate": null, "fulfillexpeditecriteria": 3, "occurcountry": null, "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": null, "patientweight": null, "patientsex": null, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Treatment failure", "reactionoutcome": null } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "ESCITALOPRAM", "drugauthorizationnumb": null, "drugbatchnumb": "unknown", "drugstructuredosagenumb": null, "drugstructuredosageunit": null, "drugseparatedosagenumb": null, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": null, "drugdosageform": null, "drugadministrationroute": null, "drugindication": null, "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": null, "activesubstance": { "activesubstancename": "ESCITALOPRAM OXALATE" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 5, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-17T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-17T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "FDA-CTU" }, "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" }
25936837 Type 1
Non-Serious
METFORMIN
Report Version
1
Receive Date
10/17/2025
Receipt Date
10/17/2025
Transmission Date
01/17/2026
Primary Source Country
US
Occurrence Country
--
Reporter Country
US
Reporter Qualification
Consumer
Literature Reference
--
Company Number
--
Authority Number
782270
Sender Organization
FDA-CTU
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
3
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
--
Patient Age Group
--
Patient Sex
--
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (1)

Nausea (v28.1) --

Drugs (1)

METFORMIN (METFORMIN HYDROCHLORIDE) Suspect
Route: -- | Dosage: -- | Form: -- | Indication: -- | Action: --
Auth#: -- | Batch#: -- | Structured Dosage: -- (unit: --) | Separate Dosage#: -- | Interval: -- -- | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --

Clinical Narrative

--

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435343b3830196fa51170", "safetyreportid": "25936837", "authoritynumb": "782270", "companynumb": null, "duplicate": null, "fulfillexpeditecriteria": 3, "occurcountry": null, "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": null, "patientweight": null, "patientsex": null, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Nausea", "reactionoutcome": null } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "METFORMIN", "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": null, "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": null, "activesubstance": { "activesubstancename": "METFORMIN HYDROCHLORIDE" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 5, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-17T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-17T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "FDA-CTU" }, "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" }
25936836 Type 1
Non-Serious
FLUOXETINE
Report Version
1
Receive Date
10/17/2025
Receipt Date
10/17/2025
Transmission Date
01/19/2026
Primary Source Country
US
Occurrence Country
--
Reporter Country
US
Reporter Qualification
Consumer
Literature Reference
--
Company Number
--
Authority Number
782261
Sender Organization
FDA-CTU
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
3
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
--
Patient Age Group
--
Patient Sex
--
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (1)

Treatment failure (v28.1) --

Drugs (1)

FLUOXETINE (FLUOXETINE HYDROCHLORIDE) Suspect
Route: -- | Dosage: -- | Form: -- | Indication: -- | Action: --
Auth#: -- | Batch#: unknown | Structured Dosage: -- (unit: --) | Separate Dosage#: -- | Interval: -- -- | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --

Clinical Narrative

CASE EVENT DATE: 20251017

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435343b3830196fa5116f", "safetyreportid": "25936836", "authoritynumb": "782261", "companynumb": null, "duplicate": null, "fulfillexpeditecriteria": 3, "occurcountry": null, "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": null, "patientweight": null, "patientsex": null, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Treatment failure", "reactionoutcome": null } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "FLUOXETINE", "drugauthorizationnumb": null, "drugbatchnumb": "unknown", "drugstructuredosagenumb": null, "drugstructuredosageunit": null, "drugseparatedosagenumb": null, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": null, "drugdosageform": null, "drugadministrationroute": null, "drugindication": null, "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": null, "activesubstance": { "activesubstancename": "FLUOXETINE HYDROCHLORIDE" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": "CASE EVENT DATE: 20251017" }, "primarysource": { "reportercountry": "US", "qualification": 5, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-17T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-17T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "FDA-CTU" }, "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" }
25936835 Type 1
Non-Serious
TEZSPIRE
Report Version
1
Receive Date
10/17/2025
Receipt Date
10/17/2025
Transmission Date
01/18/2026
Primary Source Country
US
Occurrence Country
--
Reporter Country
US
Reporter Qualification
--
Literature Reference
--
Company Number
--
Authority Number
782275
Sender Organization
FDA-CTU
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
3
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
--
Patient Age Group
--
Patient Sex
--
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (2)

Chronic obstructive pulmonary disease (v28.1) --
Cardiac failure congestive (v28.1) --

Drugs (1)

TEZSPIRE (TEZEPELUMAB-EKKO) Suspect
Route: -- | Dosage: -- | Form: -- | Indication: -- | Action: --
Auth#: -- | Batch#: -- | Structured Dosage: -- (unit: --) | Separate Dosage#: -- | Interval: -- -- | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --

Clinical Narrative

--

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435343b3830196fa5116e", "safetyreportid": "25936835", "authoritynumb": "782275", "companynumb": null, "duplicate": null, "fulfillexpeditecriteria": 3, "occurcountry": null, "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": null, "patientweight": null, "patientsex": null, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Chronic obstructive pulmonary disease", "reactionoutcome": null }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Cardiac failure congestive", "reactionoutcome": null } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "TEZSPIRE", "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": null, "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": null, "activesubstance": { "activesubstancename": "TEZEPELUMAB-EKKO" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": null, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-17T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-17T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "FDA-CTU" }, "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" }
25936830 Type 1
Serious
BEVACIZUMAB, CABERGOLINE, CABERGOLINE (+5 more)
Report Version
1
Receive Date
10/17/2025
Receipt Date
10/17/2025
Transmission Date
01/17/2026
Primary Source Country
EU
Occurrence Country
EU
Reporter Country
EU
Reporter Qualification
Other Health Professional
Literature Reference
Mazzeo P.; Bovo G.; Mondin A. et al.. Clinical presentation, predictive factors and management of patients with Nelson syndrome: a retrospective study. Pituitary. 2025;28 (5):1-13
Company Number
EU-AMGEN-ITASP2025205426
Authority Number
--
Sender Organization
AMGEN
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
Yes
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
33.0 yr
Patient Age Group
Adult
Patient Sex
Female
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (4)

Nelson^s syndrome (v28.1) Fatal
General physical health deterioration (v28.1) Unknown
Drug ineffective for unapproved indication (v28.1) Unknown
Off label use (v28.1) Unknown

Drugs (8)

BEVACIZUMAB (BEVACIZUMAB) Suspect
Route: 065 | Dosage: TWO CYCLES | Form: Unknown formulation | Indication: Nelson^s syndrome | Action: Not Applicable
Auth#: 761028 | Batch#: -- | Structured Dosage: -- (unit: --) | Separate Dosage#: -- | Interval: -- -- | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: 4
Recurrences: --
CABERGOLINE (CABERGOLINE) Concomitant
Route: -- | Dosage: -- | Form: -- | Indication: -- | Action: --
Auth#: -- | Batch#: -- | Structured Dosage: -- (unit: --) | Separate Dosage#: -- | Interval: -- -- | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --
CABERGOLINE (CABERGOLINE) Concomitant
Route: -- | Dosage: 3 MILLIGRAM, QWK | Form: -- | Indication: -- | Action: --
Auth#: -- | Batch#: -- | Structured Dosage: 3.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 1.0 wk | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --
KETOCONAZOLE (KETOCONAZOLE) Concomitant
Route: -- | Dosage: -- | Form: -- | Indication: -- | Action: --
Auth#: -- | Batch#: -- | Structured Dosage: -- (unit: --) | Separate Dosage#: -- | Interval: -- -- | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --
TEMOZOLOMIDE (TEMOZOLOMIDE) Concomitant
Route: 048 | Dosage: 200 MILLIGRAM/SQ. METER, FOR 5 DAYS EVERY 28 DAYS | Form: -- | Indication: -- | Action: --
Auth#: -- | Batch#: -- | Structured Dosage: 200.0 (unit: 009) | Separate Dosage#: -- | Interval: -- -- | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --
TEMOZOLOMIDE (TEMOZOLOMIDE) Concomitant
Route: 048 | Dosage: 40 MILLIGRAM, QD | Form: -- | Indication: -- | Action: --
Auth#: -- | Batch#: -- | Structured Dosage: 40.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 1.0 day | Cumulative: -- (unit: --)
Start: 06/01/2022 | End: -- | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --
PASIREOTIDE (PASIREOTIDE) Concomitant
Route: -- | Dosage: 40 MILLIGRAM, QMO | Form: -- | Indication: -- | Action: --
Auth#: -- | Batch#: -- | Structured Dosage: 40.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 1.0 mo | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --
EVEROLIMUS (EVEROLIMUS) Concomitant
Route: -- | Dosage: FOUR CYCLES | Form: -- | Indication: -- | Action: --
Auth#: -- | Batch#: -- | Structured Dosage: -- (unit: --) | Separate Dosage#: -- | Interval: -- -- | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --

Clinical Narrative

--

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435343b3830196fa5116d", "safetyreportid": "25936830", "authoritynumb": null, "companynumb": "EU-AMGEN-ITASP2025205426", "duplicate": null, "fulfillexpeditecriteria": 1, "occurcountry": "EU", "patient": { "patientonsetage": 33.0, "patientonsetageunit": 801, "patientagegroup": 5, "patientweight": null, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Nelson^s syndrome", "reactionoutcome": 5 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "General physical health deterioration", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Drug ineffective for unapproved indication", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Off label use", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "BEVACIZUMAB", "drugauthorizationnumb": "761028", "drugbatchnumb": null, "drugstructuredosagenumb": null, "drugstructuredosageunit": null, "drugseparatedosagenumb": null, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "TWO CYCLES", "drugdosageform": "Unknown formulation", "drugadministrationroute": "065", "drugindication": "Nelson^s syndrome", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 4, "actiondrug": 6, "activesubstance": { "activesubstancename": "BEVACIZUMAB" }, "drugrecurrence": [] }, { "drugcharacterization": 2, "medicinalproduct": "CABERGOLINE", "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": null, "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": null, "activesubstance": { "activesubstancename": "CABERGOLINE" }, "drugrecurrence": [] }, { "drugcharacterization": 2, "medicinalproduct": "CABERGOLINE", "drugauthorizationnumb": null, "drugbatchnumb": null, "drugstructuredosagenumb": 3.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 1.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "3 MILLIGRAM, QWK", "drugdosageform": null, "drugadministrationroute": null, "drugindication": null, "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": null, "activesubstance": { "activesubstancename": "CABERGOLINE" }, "drugrecurrence": [] }, { "drugcharacterization": 2, "medicinalproduct": "KETOCONAZOLE", "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": null, "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": null, "activesubstance": { "activesubstancename": "KETOCONAZOLE" }, "drugrecurrence": [] }, { "drugcharacterization": 2, "medicinalproduct": "TEMOZOLOMIDE", "drugauthorizationnumb": null, "drugbatchnumb": null, "drugstructuredosagenumb": 200.0, "drugstructuredosageunit": "009", "drugseparatedosagenumb": null, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "200 MILLIGRAM/SQ. METER, FOR 5 DAYS EVERY 28 DAYS", "drugdosageform": null, "drugadministrationroute": "048", "drugindication": null, "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": null, "activesubstance": { "activesubstancename": "TEMOZOLOMIDE" }, "drugrecurrence": [] }, { "drugcharacterization": 2, "medicinalproduct": "TEMOZOLOMIDE", "drugauthorizationnumb": null, "drugbatchnumb": null, "drugstructuredosagenumb": 40.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 1.0, "drugintervaldosagedefinition": 804, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "40 MILLIGRAM, QD", "drugdosageform": null, "drugadministrationroute": "048", "drugindication": null, "drugstartdateformat": "610", "drugstartdate": "2022-06-01T00:00:00", "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": null, "activesubstance": { "activesubstancename": "TEMOZOLOMIDE" }, "drugrecurrence": [] }, { "drugcharacterization": 2, "medicinalproduct": "PASIREOTIDE", "drugauthorizationnumb": null, "drugbatchnumb": null, "drugstructuredosagenumb": 40.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 1.0, "drugintervaldosagedefinition": 802, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "40 MILLIGRAM, QMO", "drugdosageform": null, "drugadministrationroute": null, "drugindication": null, "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": null, "activesubstance": { "activesubstancename": "PASIREOTIDE" }, "drugrecurrence": [] }, { "drugcharacterization": 2, "medicinalproduct": "EVEROLIMUS", "drugauthorizationnumb": null, "drugbatchnumb": null, "drugstructuredosagenumb": null, "drugstructuredosageunit": null, "drugseparatedosagenumb": null, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "FOUR CYCLES", "drugdosageform": null, "drugadministrationroute": null, "drugindication": null, "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": null, "activesubstance": { "activesubstancename": "EVEROLIMUS" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "EU", "qualification": 3, "literaturereference": "Mazzeo P.; Bovo G.; Mondin A. et al.. Clinical presentation, predictive factors and management of patients with Nelson syndrome: a retrospective study. Pituitary. 2025;28 (5):1-13" }, "primarysourcecountry": "EU", "quarter": "2025Q4", "receiptdate": "2025-10-17T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-17T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "AMGEN" }, "serious": 1, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 1, "seriousnessdisabling": 2, "seriousnesshospitalization": 2, "seriousnesslifethreatening": 2, "seriousnessother": 2, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-17T00:00:00", "transmissiondateformat": "102" }
25936831 Type 2
Serious
LEVETIRACETAM, VIMPAT
Report Version
1
Receive Date
10/17/2025
Receipt Date
10/17/2025
Transmission Date
01/18/2026
Primary Source Country
US
Occurrence Country
--
Reporter Country
US
Reporter Qualification
Physician
Literature Reference
--
Company Number
US-UCBSA-2025065025
Authority Number
--
Sender Organization
UCB
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
Yes
Duplicate
1
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
78.0 yr
Patient Age Group
--
Patient Sex
--
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (3)

Ischaemic stroke (v28.1) Not Recovered
Cognitive disorder (v28.1) Not Recovered
Communication disorder (v28.1) Not Recovered

Drugs (2)

LEVETIRACETAM (LEVETIRACETAM) Suspect
Route: -- | Dosage: 3000 MILLIGRAMS (750MG,4 TABLETS EVERY DAY) | Form: -- | Indication: Seizure | Action: Dose Not Changed
Auth#: 022285 | Batch#: -- | Structured Dosage: 3000.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: -- -- | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: Unknown | Additional: --
Recurrences: --
VIMPAT (LACOSAMIDE) Suspect
Route: -- | Dosage: 50 MILLIGRAM, 2X/DAY (BID) | Form: -- | Indication: Seizure | Action: Dose Not Changed
Auth#: 022253 | Batch#: -- | Structured Dosage: 50.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 1.0 day | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: Unknown | Additional: --
Recurrences: --

Clinical Narrative

--

Report Duplicates (1)

069: UG-069-000007422

Raw JSON (click to expand)

{ "_id": "69d435343b3830196fa5116b", "safetyreportid": "25936831", "authoritynumb": null, "companynumb": "US-UCBSA-2025065025", "duplicate": 1, "fulfillexpeditecriteria": 1, "occurcountry": null, "patient": { "patientonsetage": 78.0, "patientonsetageunit": 801, "patientagegroup": null, "patientweight": null, "patientsex": null, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Ischaemic stroke", "reactionoutcome": 3 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Cognitive disorder", "reactionoutcome": 3 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Communication disorder", "reactionoutcome": 3 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "LEVETIRACETAM", "drugauthorizationnumb": "022285", "drugbatchnumb": null, "drugstructuredosagenumb": 3000.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "3000 MILLIGRAMS (750MG,4 TABLETS EVERY DAY)", "drugdosageform": null, "drugadministrationroute": null, "drugindication": "Seizure", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": 3, "drugadditional": null, "actiondrug": 4, "activesubstance": { "activesubstancename": "LEVETIRACETAM" }, "drugrecurrence": [] }, { "drugcharacterization": 1, "medicinalproduct": "VIMPAT", "drugauthorizationnumb": "022253", "drugbatchnumb": null, "drugstructuredosagenumb": 50.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 1.0, "drugintervaldosagedefinition": 804, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "50 MILLIGRAM, 2X/DAY (BID)", "drugdosageform": null, "drugadministrationroute": null, "drugindication": "Seizure", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": 3, "drugadditional": null, "actiondrug": 4, "activesubstance": { "activesubstancename": "LACOSAMIDE" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 1, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-17T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-17T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [ { "duplicatesource": "069", "duplicatenumb": "UG-069-000007422" } ], "reporttype": 2, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "UCB" }, "serious": 1, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 2, "seriousnessdisabling": 2, "seriousnesshospitalization": 2, "seriousnesslifethreatening": 2, "seriousnessother": 1, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-18T00:00:00", "transmissiondateformat": "102" }
25936833 Type 1
Serious
KEYTRUDA
Report Version
1
Receive Date
10/17/2025
Receipt Date
10/17/2025
Transmission Date
01/18/2026
Primary Source Country
AE
Occurrence Country
AE
Reporter Country
AE
Reporter Qualification
Physician
Literature Reference
--
Company Number
AE-009507513-2338549
Authority Number
--
Sender Organization
MERCK SHARP & DOHME LLC
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
Yes
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
62.0 yr
Patient Age Group
--
Patient Sex
Female
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (1)

Encephalopathy (v28.1) Unknown

Drugs (1)

KEYTRUDA (PEMBROLIZUMAB) Suspect
Route: -- | Dosage: -- | Form: -- | Indication: Triple negative breast cancer | Action: Unknown
Auth#: 125514 | Batch#: -- | Structured Dosage: -- (unit: --) | Separate Dosage#: 1.0 | Interval: -- -- | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --

Clinical Narrative

--

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d435343b3830196fa5116a", "safetyreportid": "25936833", "authoritynumb": null, "companynumb": "AE-009507513-2338549", "duplicate": null, "fulfillexpeditecriteria": 1, "occurcountry": "AE", "patient": { "patientonsetage": 62.0, "patientonsetageunit": 801, "patientagegroup": null, "patientweight": null, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Encephalopathy", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "KEYTRUDA", "drugauthorizationnumb": "125514", "drugbatchnumb": null, "drugstructuredosagenumb": null, "drugstructuredosageunit": null, "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": null, "drugdosageform": null, "drugadministrationroute": null, "drugindication": "Triple negative breast cancer", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "PEMBROLIZUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "AE", "qualification": 1, "literaturereference": null }, "primarysourcecountry": "AE", "quarter": "2025Q4", "receiptdate": "2025-10-17T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-17T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "MERCK SHARP & DOHME LLC" }, "serious": 1, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 2, "seriousnessdisabling": 2, "seriousnesshospitalization": 2, "seriousnesslifethreatening": 2, "seriousnessother": 1, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-18T00:00:00", "transmissiondateformat": "102" }