For researchers submitting trial data to ClinicalTrials.gov, the Adverse Events module is one of four mandatory results sections. It requires reporting in three primary categories: All-Cause Mortality: A table tracking all deaths that occurred during the study, regardless of cause. Serious Adverse Events (SAEs): A tabular summary of events resulting in death, life-threatening conditions, hospitalization, or significant disability. Other Adverse Events: A table for non-serious events that exceed a specific frequency threshold, such as 5% within any study arm.
Adverse Events Module path is as follows:
Study -> Results Section -> Adverse Events Module -> Event Groups
Study -> Results Section -> Adverse Events Module -> Serious Events
Study -> Results Section -> Adverse Events Module -> Other Events
| Term | Type | Organ System | Vocab | View |
|---|---|---|---|---|
| Arrythmia | SYSTEMATIC_ASSESSMENT | Cardiac disorders | MedDRA 5 | View |
| Edema | SYSTEMATIC_ASSESSMENT | Cardiac disorders | MedDRA 5 | View |
| Ischemia/Infarction | SYSTEMATIC_ASSESSMENT | Cardiac disorders | MedDRA 5 | View |
| Supraventricular arrhythmias (SVT/atrial fibrillation/flutter) | SYSTEMATIC_ASSESSMENT | Cardiac disorders | MedDRA 5 | View |
| Melena | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedDRA 5 | View |
| Nausea | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedDRA 5 | View |
| Pain-Abdominal | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedDRA 5 | View |
| Stomatitis | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedDRA 5 | View |
| Fatigue | SYSTEMATIC_ASSESSMENT | General disorders | MedDRA 5 | View |
| Fever-No ANC | SYSTEMATIC_ASSESSMENT | General disorders | MedDRA 5 | View |
| Allergy | SYSTEMATIC_ASSESSMENT | Immune system disorders | MedDRA 5 | View |
| Infection without neutropenia | SYSTEMATIC_ASSESSMENT | Infections and infestations | MedDRA 5 | View |
| Dehydration | SYSTEMATIC_ASSESSMENT | Metabolism and nutrition disorders | MedDRA 5 | View |
| Hyponatremia | SYSTEMATIC_ASSESSMENT | Metabolism and nutrition disorders | MedDRA 5 | View |
| Arthralgia | SYSTEMATIC_ASSESSMENT | Musculoskeletal and connective tissue disorders | MedDRA 5 | View |
| Myalgia | SYSTEMATIC_ASSESSMENT | Musculoskeletal and connective tissue disorders | MedDRA 5 | View |
| Ataxia | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedDRA 5 | View |
| Dizziness | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedDRA 5 | View |
| Neuro-Sensory | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedDRA 5 | View |
| Seizure | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedDRA 5 | View |
| Adult respiratory distress syndrome (ARDS) | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedDRA 5 | View |
| Dyspnea | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedDRA 5 | View |
| Effusion-Pleural | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedDRA 5 | View |
| Pneumonitis | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedDRA 5 | View |
| Pulmonary | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedDRA 5 | View |
| Rash | SYSTEMATIC_ASSESSMENT | Skin and subcutaneous tissue disorders | MedDRA 5 | View |
| Hypertension | SYSTEMATIC_ASSESSMENT | Vascular disorders | MedDRA 5 | View |
| Hypotension | SYSTEMATIC_ASSESSMENT | Vascular disorders | MedDRA 5 | View |
| Thrombosis | SYSTEMATIC_ASSESSMENT | Vascular disorders | MedDRA 5 | View |
| Term | Type | Organ System | Vocab | View |
|---|---|---|---|---|
| Arrythmia | SYSTEMATIC_ASSESSMENT | Cardiac disorders | MedDRA 5 | View |
| Cardiovascular | SYSTEMATIC_ASSESSMENT | Cardiac disorders | MedDRA 5 | View |
| Edema | SYSTEMATIC_ASSESSMENT | Cardiac disorders | MedDRA 5 | View |
| Palpitations | SYSTEMATIC_ASSESSMENT | Cardiac disorders | MedDRA 5 | View |
| Supraventricular arrhythmias (SVT/atrial fibrillation/flutter) | SYSTEMATIC_ASSESSMENT | Cardiac disorders | MedDRA 5 | View |
| Auditory | SYSTEMATIC_ASSESSMENT | Ear and labyrinth disorders | MedDRA 5 | View |
| Inner Ear | SYSTEMATIC_ASSESSMENT | Ear and labyrinth disorders | MedDRA 5 | View |
| Vision | SYSTEMATIC_ASSESSMENT | Eye disorders | MedDRA 5 | View |
| Vision-Blurred | SYSTEMATIC_ASSESSMENT | Eye disorders | MedDRA 5 | View |
| Vision-Double | SYSTEMATIC_ASSESSMENT | Eye disorders | MedDRA 5 | View |
| Vision-Photopsia | SYSTEMATIC_ASSESSMENT | Eye disorders | MedDRA 5 | View |
| Constipation | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedDRA 5 | View |
| Diarrhea-BMT | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedDRA 5 | View |
| Diarrhea-No Colostom | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedDRA 5 | View |
| Dyspepsia | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedDRA 5 | View |
| Dysphagia | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedDRA 5 | View |
| Dysphagia-esophageal related to radiation | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedDRA 5 | View |
| Flatulence | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedDRA 5 | View |
| Gastrointestinal | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedDRA 5 | View |
| Hematemesis | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedDRA 5 | View |
| Mouth Dryness | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedDRA 5 | View |
| Nausea | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedDRA 5 | View |
| Pain-Abdominal | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedDRA 5 | View |
| Stomatitis | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedDRA 5 | View |
| Vomiting | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedDRA 5 | View |
| Fatigue | SYSTEMATIC_ASSESSMENT | General disorders | MedDRA 5 | View |
| Fever-No ANC | SYSTEMATIC_ASSESSMENT | General disorders | MedDRA 5 | View |
| Injection site reaction | SYSTEMATIC_ASSESSMENT | General disorders | MedDRA 5 | View |
| Pain | SYSTEMATIC_ASSESSMENT | General disorders | MedDRA 5 | View |
| Pain-Chest | SYSTEMATIC_ASSESSMENT | General disorders | MedDRA 5 | View |
| Rigors | SYSTEMATIC_ASSESSMENT | General disorders | MedDRA 5 | View |
| Infection without neutropenia | SYSTEMATIC_ASSESSMENT | Infections and infestations | MedDRA 5 | View |
| Alkaline phosphatase | SYSTEMATIC_ASSESSMENT | Investigations | MedDRA 5 | View |
| Bilirubin | SYSTEMATIC_ASSESSMENT | Investigations | MedDRA 5 | View |
| Creatinine | SYSTEMATIC_ASSESSMENT | Investigations | MedDRA 5 | View |
| Leukopenia | SYSTEMATIC_ASSESSMENT | Investigations | MedDRA 5 | View |
| Leukopenia-Peds | SYSTEMATIC_ASSESSMENT | Investigations | MedDRA 5 | View |
| Lymphopenia | SYSTEMATIC_ASSESSMENT | Investigations | MedDRA 5 | View |
| Metabolic/Lab | SYSTEMATIC_ASSESSMENT | Investigations | MedDRA 5 | View |
| Neutropenia | SYSTEMATIC_ASSESSMENT | Investigations | MedDRA 5 | View |
| Prothrombin Time | SYSTEMATIC_ASSESSMENT | Investigations | MedDRA 5 | View |
| SGOT (AST) (serum glutamic oxaloacetic transaminase) | SYSTEMATIC_ASSESSMENT | Investigations | MedDRA 5 | View |
| SGPT (ALT) (serum glutamic pyruvic transaminase) | SYSTEMATIC_ASSESSMENT | Investigations | MedDRA 5 | View |
| Thrombocytopenia | SYSTEMATIC_ASSESSMENT | Investigations | MedDRA 5 | View |
| Weight gain | SYSTEMATIC_ASSESSMENT | Investigations | MedDRA 5 | View |
| Weight loss | SYSTEMATIC_ASSESSMENT | Investigations | MedDRA 5 | View |
| Anorexia | SYSTEMATIC_ASSESSMENT | Metabolism and nutrition disorders | MedDRA 5 | View |
| Bicarbonate | SYSTEMATIC_ASSESSMENT | Metabolism and nutrition disorders | MedDRA 5 | View |
| Dehydration | SYSTEMATIC_ASSESSMENT | Metabolism and nutrition disorders | MedDRA 5 | View |
| Hypercalcemia | SYSTEMATIC_ASSESSMENT | Metabolism and nutrition disorders | MedDRA 5 | View |
| Hyperglycemia | SYSTEMATIC_ASSESSMENT | Metabolism and nutrition disorders | MedDRA 5 | View |
| Hyperkalemia | SYSTEMATIC_ASSESSMENT | Metabolism and nutrition disorders | MedDRA 5 | View |
| Hypoalbuminemia | SYSTEMATIC_ASSESSMENT | Metabolism and nutrition disorders | MedDRA 5 | View |
| Hypocalcemia | SYSTEMATIC_ASSESSMENT | Metabolism and nutrition disorders | MedDRA 5 | View |
| Hypoglycemia | SYSTEMATIC_ASSESSMENT | Metabolism and nutrition disorders | MedDRA 5 | View |
| Hypokalemia | SYSTEMATIC_ASSESSMENT | Metabolism and nutrition disorders | MedDRA 5 | View |
| Hyponatremia | SYSTEMATIC_ASSESSMENT | Metabolism and nutrition disorders | MedDRA 5 | View |
| Arthralgia | SYSTEMATIC_ASSESSMENT | Musculoskeletal and connective tissue disorders | MedDRA 5 | View |
| Muscle Weakness | SYSTEMATIC_ASSESSMENT | Musculoskeletal and connective tissue disorders | MedDRA 5 | View |
| Musculoskeletal | SYSTEMATIC_ASSESSMENT | Musculoskeletal and connective tissue disorders | MedDRA 5 | View |
| Myalgia | SYSTEMATIC_ASSESSMENT | Musculoskeletal and connective tissue disorders | MedDRA 5 | View |
| Pain-Bone | SYSTEMATIC_ASSESSMENT | Musculoskeletal and connective tissue disorders | MedDRA 5 | View |
| Pain-Tumor | SYSTEMATIC_ASSESSMENT | Neoplasms benign, malignant and unspecified (incl cysts and polyps) | MedDRA 5 | View |
| Ataxia | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedDRA 5 | View |
| CNS hemorrhage/bleeding | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedDRA 5 | View |
| Dizziness | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedDRA 5 | View |
| Learning Disorder | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedDRA 5 | View |
| Low Consciousness | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedDRA 5 | View |
| Memory Loss | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedDRA 5 | View |
| Neuralgia | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedDRA 5 | View |
| Neuro-Motor | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedDRA 5 | View |
| Neuro-Sensory | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedDRA 5 | View |
| Seizure | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedDRA 5 | View |
| Smell | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedDRA 5 | View |
| Taste | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedDRA 5 | View |
| Tremor | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedDRA 5 | View |
| Vertigo | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedDRA 5 | View |
| Anxiety | SYSTEMATIC_ASSESSMENT | Psychiatric disorders | MedDRA 5 | View |
| Confusion | SYSTEMATIC_ASSESSMENT | Psychiatric disorders | MedDRA 5 | View |
| Depression | SYSTEMATIC_ASSESSMENT | Psychiatric disorders | MedDRA 5 | View |
| Insomnia | SYSTEMATIC_ASSESSMENT | Psychiatric disorders | MedDRA 5 | View |
| Dysuria | SYSTEMATIC_ASSESSMENT | Renal and urinary disorders | MedDRA 5 | View |
| Hematuria | SYSTEMATIC_ASSESSMENT | Renal and urinary disorders | MedDRA 5 | View |
| Renal | SYSTEMATIC_ASSESSMENT | Renal and urinary disorders | MedDRA 5 | View |
| Urinary frequency | SYSTEMATIC_ASSESSMENT | Renal and urinary disorders | MedDRA 5 | View |
| Gynecomastia | SYSTEMATIC_ASSESSMENT | Reproductive system and breast disorders | MedDRA 5 | View |
| Cough | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedDRA 5 | View |
| Dyspnea | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedDRA 5 | View |
| Epistaxis | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedDRA 5 | View |
| Hemoptysis | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedDRA 5 | View |
| Hypoxia | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedDRA 5 | View |
| Pain-Pleuritic | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedDRA 5 | View |
| Pneumonitis | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedDRA 5 | View |
| Pulmonary | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedDRA 5 | View |
| Rhinitis Allergic | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedDRA 5 | View |
| Voice Change | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedDRA 5 | View |
| Alopecia | SYSTEMATIC_ASSESSMENT | Skin and subcutaneous tissue disorders | MedDRA 5 | View |
| Dry skin | SYSTEMATIC_ASSESSMENT | Skin and subcutaneous tissue disorders | MedDRA 5 | View |
| Hypertension | SYSTEMATIC_ASSESSMENT | Vascular disorders | MedDRA 5 | View |
| Hypotension | SYSTEMATIC_ASSESSMENT | Vascular disorders | MedDRA 5 | View |
| Phlebitis | SYSTEMATIC_ASSESSMENT | Vascular disorders | MedDRA 5 | View |
| Blood/Bone Marrow | SYSTEMATIC_ASSESSMENT | Blood and lymphatic system disorders | MedDRA 5 | View |
| Anemia | SYSTEMATIC_ASSESSMENT | Blood and lymphatic system disorders | MedDRA 5 | View |
| Arrhythmia-Nodal | SYSTEMATIC_ASSESSMENT | Cardiac disorders | MedDRA 5 | View |
| Headache | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedDRA 5 | View |
| Pruritis | SYSTEMATIC_ASSESSMENT | Skin and subcutaneous tissue disorders | MedDRA 5 | View |
| Rash | SYSTEMATIC_ASSESSMENT | Skin and subcutaneous tissue disorders | MedDRA 5 | View |
| Sweating | SYSTEMATIC_ASSESSMENT | Skin and subcutaneous tissue disorders | MedDRA 5 | View |
| Hot flashes | SYSTEMATIC_ASSESSMENT | Vascular disorders | MedDRA 5 | View |