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 |
|---|---|---|---|---|
| Anaemias nonhaemolytic and marrow depression | SYSTEMATIC_ASSESSMENT | Blood and lymphatic system disorders | MedRA, version 16.0 | View |
| Pulmonary vascular disorders | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedRA, version 16.0 | View |
| Arteriosclerosis, stenosis, vascular insufficiency and necrosis | SYSTEMATIC_ASSESSMENT | Vascular disorders | MedRA, version 16.0 | View |
| Cardiac therapeutic procedures | SYSTEMATIC_ASSESSMENT | Surgical and medical procedures | MedRA, version 16.0 | View |
| Central nervous system vascular disorders | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedRA, version 16.0 | View |
| Communication disorders and disturbances | SYSTEMATIC_ASSESSMENT | Psychiatric disorders | MedRA, version 16.0 | View |
| Coronary artery disorders | SYSTEMATIC_ASSESSMENT | Cardiac disorders | MedRA, version 16.0 | View |
| Deliria (incl confusion) | SYSTEMATIC_ASSESSMENT | Psychiatric disorders | MedRA, version 16.0 | View |
| Embolism and thrombosis | SYSTEMATIC_ASSESSMENT | Vascular disorders | MedRA, version 16.0 | View |
| Gallbladder disorders | SYSTEMATIC_ASSESSMENT | Hepatobiliary disorders | MedRA, version 16.0 | View |
| Gastrointestinal haemorrhages NEC | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedRA, version 16.0 | View |
| Gastrointestinal inflammatory conditions | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedRA, version 16.0 | View |
| Gastrointestinal signs and symptoms | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedRA, version 16.0 | View |
| General system disorders NEC | SYSTEMATIC_ASSESSMENT | General disorders | MedRA, version 16.0 | View |
| Genitourinary tract disorders NEC | SYSTEMATIC_ASSESSMENT | Renal and urinary disorders | MedRA, version 16.0 | View |
| Heart failures | SYSTEMATIC_ASSESSMENT | Cardiac disorders | MedRA, version 16.0 | View |
| Increased intracranial pressure and hydrocephalus | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedRA, version 16.0 | View |
| Infections - pathogen unspecified | SYSTEMATIC_ASSESSMENT | Infections and infestations | MedRA, version 16.0 | View |
| Injuries NEC | SYSTEMATIC_ASSESSMENT | Injury, poisoning and procedural complications | MedRA, version 16.0 | View |
| Muscle disorders | SYSTEMATIC_ASSESSMENT | Musculoskeletal and connective tissue disorders | MedRA, version 16.0 | View |
| Neurological disorders NEC | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedRA, version 16.0 | View |
| Neuromuscular disorders | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedRA, version 16.0 | View |
| Renal disorders (excl nephropathies) | SYSTEMATIC_ASSESSMENT | Renal and urinary disorders | MedRA, version 16.0 | View |
| Respiratory disorders NEC | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedRA, version 16.0 | View |
| Respiratory tract infections | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedRA, version 16.0 | View |
| Seizures (incl subtypes) | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedRA, version 16.0 | View |
| Vascular haemorrhagic disorders | SYSTEMATIC_ASSESSMENT | Vascular disorders | MedRA, version 16.0 | View |
| Vascular therapeutic procedures | SYSTEMATIC_ASSESSMENT | Surgical and medical procedures | MedRA, version 16.0 | View |
| Term | Type | Organ System | Vocab | View |
|---|---|---|---|---|
| Administration site reactions | SYSTEMATIC_ASSESSMENT | General disorders | MedRA, version 16.0 | View |
| Administration site reactions | SYSTEMATIC_ASSESSMENT | Injury, poisoning and procedural complications | MedRA, version 16.0 | View |
| Allergic conditions | SYSTEMATIC_ASSESSMENT | Immune system disorders | MedRA, version 16.0 | View |
| Anaemias nonhaemolytic and marrow depression | SYSTEMATIC_ASSESSMENT | Blood and lymphatic system disorders | MedRA, version 16.0 | View |
| Angioedema and urticaria | SYSTEMATIC_ASSESSMENT | Skin and subcutaneous tissue disorders | MedRA, version 16.0 | View |
| Anxiety disorders and symptoms | SYSTEMATIC_ASSESSMENT | Psychiatric disorders | MedRA, version 16.0 | View |
| Arteriosclerosis, stenosis, vascular insufficiency and necrosis | SYSTEMATIC_ASSESSMENT | Vascular disorders | MedRA, version 16.0 | View |
| Bacterial infectious disorders | SYSTEMATIC_ASSESSMENT | Infections and infestations | MedRA, version 16.0 | View |
| Body temperature conditions | SYSTEMATIC_ASSESSMENT | General disorders | MedRA, version 16.0 | View |
| Bone, calcium, magnesium and phosphorus metabolism disorders | SYSTEMATIC_ASSESSMENT | Metabolism and nutrition disorders | MedRA, version 16.0 | View |
| Bronchial disorders (excl neoplasms) | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedRA, version 16.0 | View |
| Cardiac arrhythmias | SYSTEMATIC_ASSESSMENT | Cardiac disorders | MedRA, version 16.0 | View |
| Cardiac disorder signs and symptoms | SYSTEMATIC_ASSESSMENT | Cardiac disorders | MedRA, version 16.0 | View |
| Central nervous system vascular disorders | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedRA, version 16.0 | View |
| Changes in physical activity | SYSTEMATIC_ASSESSMENT | Psychiatric disorders | MedRA, version 16.0 | View |
| Cognitive and attention disorders and disturbances | SYSTEMATIC_ASSESSMENT | Psychiatric disorders | MedRA, version 16.0 | View |
| Coronary artery disorders | SYSTEMATIC_ASSESSMENT | Cardiac disorders | MedRA, version 16.0 | View |
| Decreased and nonspecific blood pressure disorders and shock | SYSTEMATIC_ASSESSMENT | Vascular disorders | MedRA, version 16.0 | View |
| Dental and gingival conditions | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedRA, version 16.0 | View |
| Depressed mood disorders and disturbances | SYSTEMATIC_ASSESSMENT | Psychiatric disorders | MedRA, version 16.0 | View |
| Device issues | SYSTEMATIC_ASSESSMENT | General disorders | MedRA, version 16.0 | View |
| Electrolyte and fluid balance conditions | SYSTEMATIC_ASSESSMENT | Metabolism and nutrition disorders | MedRA, version 16.0 | View |
| Enzyme investigations NEC | SYSTEMATIC_ASSESSMENT | Investigations | MedRA, version 16.0 | View |
| Epidermal and dermal conditions | SYSTEMATIC_ASSESSMENT | Skin and subcutaneous tissue disorders | MedRA, version 16.0 | View |
| Eye disorders NEC | SYSTEMATIC_ASSESSMENT | Eye disorders | MedRA, version 16.0 | View |
| Fungal infectious disorders | SYSTEMATIC_ASSESSMENT | Infections and infestations | MedRA, version 16.0 | View |
| Gastrointestinal motility and defaecation conditions | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedRA, version 16.0 | View |
| Gastrointestinal signs and symptoms | SYSTEMATIC_ASSESSMENT | General disorders | MedRA, version 16.0 | View |
| General system disorders NEC | SYSTEMATIC_ASSESSMENT | General disorders | MedRA, version 16.0 | View |
| Genitourinary tract disorders NEC | SYSTEMATIC_ASSESSMENT | Renal and urinary disorders | MedRA, version 16.0 | View |
| Glucose metabolism disorders (incl diabetes mellitus) | SYSTEMATIC_ASSESSMENT | Endocrine disorders | MedRA, version 16.0 | View |
| Glucose metabolism disorders (incl diabetes mellitus) | SYSTEMATIC_ASSESSMENT | Metabolism and nutrition disorders | MedRA, version 16.0 | View |
| Haematology investigations (incl blood groups) | SYSTEMATIC_ASSESSMENT | Investigations | MedRA, version 16.0 | View |
| Headaches | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedRA, version 16.0 | View |
| Heart failures | SYSTEMATIC_ASSESSMENT | Cardiac disorders | MedRA, version 16.0 | View |
| Increased intracranial pressure and hydrocephalus | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedRA, version 16.0 | View |
| Infections - pathogen unspecified | SYSTEMATIC_ASSESSMENT | Infections and infestations | MedRA, version 16.0 | View |
| Injuries NEC | SYSTEMATIC_ASSESSMENT | Injury, poisoning and procedural complications | MedRA, version 16.0 | View |
| Joint disorders | SYSTEMATIC_ASSESSMENT | Musculoskeletal and connective tissue disorders | MedRA, version 16.0 | View |
| Lower respiratory tract disorders (excl obstruction and infection) | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedRA, version 16.0 | View |
| Muscle disorders | SYSTEMATIC_ASSESSMENT | Musculoskeletal and connective tissue disorders | MedRA, version 16.0 | View |
| Musculoskeletal and connective tissue disorders NEC | SYSTEMATIC_ASSESSMENT | Musculoskeletal and connective tissue disorders | MedRA, version 16.0 | View |
| Neurological disorders NEC | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedRA, version 16.0 | View |
| Neuromuscular disorders | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedRA, version 16.0 | View |
| Penile and scrotal disorders (excl infections and inflammations) | SYSTEMATIC_ASSESSMENT | Reproductive system and breast disorders | MedRA, version 16.0 | View |
| Physical examination and organ system status topics | SYSTEMATIC_ASSESSMENT | Investigations | MedRA, version 16.0 | View |
| Pleural disorders | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedRA, version 16.0 | View |
| Procedural related injuries and complications NEC | SYSTEMATIC_ASSESSMENT | Injury, poisoning and procedural complications | MedRA, version 16.0 | View |
| Renal disorders (excl nephropathies) | SYSTEMATIC_ASSESSMENT | Renal and urinary disorders | MedRA, version 16.0 | View |
| Respiratory disorders NEC | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedRA, version 16.0 | View |
| Respiratory tract infections | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedRA, version 16.0 | View |
| Seizures (incl subtypes) | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedRA, version 16.0 | View |
| Sleep disorders and disturbances | SYSTEMATIC_ASSESSMENT | Psychiatric disorders | MedRA, version 16.0 | View |
| Sleep disturbances (incl subtypes) | SYSTEMATIC_ASSESSMENT | Nervous system disorders | MedRA, version 16.0 | View |
| Tongue conditions | SYSTEMATIC_ASSESSMENT | Gastrointestinal disorders | MedRA, version 16.0 | View |
| Upper respiratory tract disorders (excl infections) | SYSTEMATIC_ASSESSMENT | Respiratory, thoracic and mediastinal disorders | MedRA, version 16.0 | View |
| Urinary tract signs and symptoms | SYSTEMATIC_ASSESSMENT | Renal and urinary disorders | MedRA, version 16.0 | View |
| Urolithiases | SYSTEMATIC_ASSESSMENT | Renal and urinary disorders | MedRA, version 16.0 | View |
| Vascular haemorrhagic disorders | SYSTEMATIC_ASSESSMENT | Vascular disorders | MedRA, version 16.0 | View |
| Water, electrolyte and mineral investigations | SYSTEMATIC_ASSESSMENT | Investigations | MedRA, version 16.0 | View |
| White blood cell disorders | SYSTEMATIC_ASSESSMENT | Blood and lymphatic system disorders | MedRA, version 16.0 | View |
| Embolism and thrombosis | SYSTEMATIC_ASSESSMENT | Vascular disorders | MedRA, version 16.0 | View |