{
  "meta": {
    "disclaimer": "Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. We may limit or otherwise restrict your access to the API in line with our Terms of Service.",
    "terms": "https://open.fda.gov/terms/",
    "license": "https://open.fda.gov/license/",
    "last_updated": "2026-04-28"
  },
  "results": [
    {
      "term": "OFF LABEL USE",
      "count": 3567
    },
    {
      "term": "FEBRILE NEUTROPENIA",
      "count": 3261
    },
    {
      "term": "NEUTROPENIA",
      "count": 2037
    },
    {
      "term": "PRODUCT USE IN UNAPPROVED INDICATION",
      "count": 1643
    },
    {
      "term": "DISEASE PROGRESSION",
      "count": 1593
    },
    {
      "term": "PYREXIA",
      "count": 1570
    },
    {
      "term": "NAUSEA",
      "count": 1316
    },
    {
      "term": "ANAEMIA",
      "count": 1282
    },
    {
      "term": "THROMBOCYTOPENIA",
      "count": 1136
    },
    {
      "term": "VOMITING",
      "count": 1084
    },
    {
      "term": "DIARRHOEA",
      "count": 992
    },
    {
      "term": "DRUG INEFFECTIVE",
      "count": 947
    },
    {
      "term": "PNEUMONIA",
      "count": 879
    },
    {
      "term": "SEPSIS",
      "count": 864
    },
    {
      "term": "WHITE BLOOD CELL COUNT DECREASED",
      "count": 860
    },
    {
      "term": "FATIGUE",
      "count": 807
    },
    {
      "term": "DEATH",
      "count": 788
    },
    {
      "term": "NEUTROPHIL COUNT DECREASED",
      "count": 779
    },
    {
      "term": "MYELOSUPPRESSION",
      "count": 753
    },
    {
      "term": "PANCYTOPENIA",
      "count": 747
    },
    {
      "term": "NEUROPATHY PERIPHERAL",
      "count": 736
    },
    {
      "term": "MALIGNANT NEOPLASM PROGRESSION",
      "count": 699
    },
    {
      "term": "DYSPNOEA",
      "count": 693
    },
    {
      "term": "PRODUCT USE ISSUE",
      "count": 664
    },
    {
      "term": "MUCOSAL INFLAMMATION",
      "count": 649
    },
    {
      "term": "PLATELET COUNT DECREASED",
      "count": 641
    },
    {
      "term": "INFECTION",
      "count": 623
    },
    {
      "term": "ASTHENIA",
      "count": 609
    },
    {
      "term": "LEUKOPENIA",
      "count": 543
    },
    {
      "term": "HYPOTENSION",
      "count": 529
    },
    {
      "term": "NEOPLASM PROGRESSION",
      "count": 526
    },
    {
      "term": "ABDOMINAL PAIN",
      "count": 506
    },
    {
      "term": "DECREASED APPETITE",
      "count": 476
    },
    {
      "term": "CONSTIPATION",
      "count": 470
    },
    {
      "term": "SEPTIC SHOCK",
      "count": 459
    },
    {
      "term": "INTERSTITIAL LUNG DISEASE",
      "count": 445
    },
    {
      "term": "CARDIAC FAILURE",
      "count": 398
    },
    {
      "term": "CARDIOTOXICITY",
      "count": 393
    },
    {
      "term": "TOXICITY TO VARIOUS AGENTS",
      "count": 393
    },
    {
      "term": "HAEMOGLOBIN DECREASED",
      "count": 387
    },
    {
      "term": "STOMATITIS",
      "count": 384
    },
    {
      "term": "PAIN",
      "count": 383
    },
    {
      "term": "ACUTE MYELOID LEUKAEMIA",
      "count": 376
    },
    {
      "term": "ACUTE KIDNEY INJURY",
      "count": 359
    },
    {
      "term": "PLEURAL EFFUSION",
      "count": 359
    },
    {
      "term": "COVID-19",
      "count": 355
    },
    {
      "term": "DIFFUSE LARGE B-CELL LYMPHOMA",
      "count": 353
    },
    {
      "term": "RESPIRATORY FAILURE",
      "count": 351
    },
    {
      "term": "CONDITION AGGRAVATED",
      "count": 349
    },
    {
      "term": "HEADACHE",
      "count": 344
    },
    {
      "term": "MYELODYSPLASTIC SYNDROME",
      "count": 337
    },
    {
      "term": "MALAISE",
      "count": 330
    },
    {
      "term": "BACK PAIN",
      "count": 328
    },
    {
      "term": "DIFFUSE LARGE B-CELL LYMPHOMA RECURRENT",
      "count": 325
    },
    {
      "term": "COUGH",
      "count": 307
    },
    {
      "term": "BONE MARROW FAILURE",
      "count": 304
    },
    {
      "term": "RASH",
      "count": 303
    },
    {
      "term": "PULMONARY EMBOLISM",
      "count": 302
    },
    {
      "term": "DEHYDRATION",
      "count": 301
    },
    {
      "term": "TACHYCARDIA",
      "count": 297
    },
    {
      "term": "HYPOKALAEMIA",
      "count": 294
    },
    {
      "term": "GENERAL PHYSICAL HEALTH DETERIORATION",
      "count": 286
    },
    {
      "term": "SECOND PRIMARY MALIGNANCY",
      "count": 281
    },
    {
      "term": "ALOPECIA",
      "count": 279
    },
    {
      "term": "HYPERTENSION",
      "count": 279
    },
    {
      "term": "BLOOD LACTATE DEHYDROGENASE INCREASED",
      "count": 276
    },
    {
      "term": "WEIGHT DECREASED",
      "count": 274
    },
    {
      "term": "CHILLS",
      "count": 255
    },
    {
      "term": "ATRIAL FIBRILLATION",
      "count": 251
    },
    {
      "term": "ALANINE AMINOTRANSFERASE INCREASED",
      "count": 247
    },
    {
      "term": "CYTOKINE RELEASE SYNDROME",
      "count": 247
    },
    {
      "term": "INTENTIONAL PRODUCT USE ISSUE",
      "count": 245
    },
    {
      "term": "INFUSION RELATED REACTION",
      "count": 243
    },
    {
      "term": "HAEMATOTOXICITY",
      "count": 242
    },
    {
      "term": "DEEP VEIN THROMBOSIS",
      "count": 239
    },
    {
      "term": "DIZZINESS",
      "count": 238
    },
    {
      "term": "EJECTION FRACTION DECREASED",
      "count": 235
    },
    {
      "term": "RENAL FAILURE",
      "count": 232
    },
    {
      "term": "TUMOUR LYSIS SYNDROME",
      "count": 232
    },
    {
      "term": "LYMPHADENOPATHY",
      "count": 231
    },
    {
      "term": "HEPATITIS B",
      "count": 226
    },
    {
      "term": "GASTROINTESTINAL DISORDER",
      "count": 225
    },
    {
      "term": "HYPONATRAEMIA",
      "count": 224
    },
    {
      "term": "HYPOXIA",
      "count": 222
    },
    {
      "term": "CARDIOMYOPATHY",
      "count": 218
    },
    {
      "term": "HEPATITIS B REACTIVATION",
      "count": 213
    },
    {
      "term": "CYTOPENIA",
      "count": 210
    },
    {
      "term": "MULTIPLE ORGAN DYSFUNCTION SYNDROME",
      "count": 208
    },
    {
      "term": "PALMAR-PLANTAR ERYTHRODYSAESTHESIA SYNDROME",
      "count": 204
    },
    {
      "term": "ERYTHEMA",
      "count": 201
    },
    {
      "term": "ASPARTATE AMINOTRANSFERASE INCREASED",
      "count": 198
    },
    {
      "term": "HYPERSENSITIVITY",
      "count": 198
    },
    {
      "term": "PNEUMONITIS",
      "count": 198
    },
    {
      "term": "AGRANULOCYTOSIS",
      "count": 196
    },
    {
      "term": "HEPATIC FAILURE",
      "count": 186
    },
    {
      "term": "DISEASE RECURRENCE",
      "count": 185
    },
    {
      "term": "PNEUMOCYSTIS JIROVECII PNEUMONIA",
      "count": 184
    },
    {
      "term": "ARTHRALGIA",
      "count": 180
    },
    {
      "term": "SYNCOPE",
      "count": 179
    },
    {
      "term": "BONE PAIN",
      "count": 177
    }
  ]
}