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 |
|---|---|---|---|---|
| Abdominal pain | None | Gastrointestinal disorders | None | View |
| Acidosis | None | Metabolism and nutrition disorders | None | View |
| Adult respiratory distress syndrome | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Alanine aminotransferase increased | None | Investigations | None | View |
| Anorexia | None | Metabolism and nutrition disorders | None | View |
| Aspartate aminotransferase increased | None | Investigations | None | View |
| Asystole | None | Cardiac disorders | None | View |
| Blood bilirubin increased | None | Investigations | None | View |
| Bronchial infection | None | Infections and infestations | None | View |
| Catheter related infection | None | Infections and infestations | None | View |
| Dehydration | None | Metabolism and nutrition disorders | None | View |
| Depression | None | Psychiatric disorders | None | View |
| Disseminated intravascular coagulation | None | Blood and lymphatic system disorders | None | View |
| Dyspnea | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Endocarditis infective | None | Infections and infestations | None | View |
| Febrile neutropenia | None | Blood and lymphatic system disorders | None | View |
| Fever | None | General disorders | None | View |
| Hyperglycemia | None | Metabolism and nutrition disorders | None | View |
| Hyperkalemia | None | Metabolism and nutrition disorders | None | View |
| Hypocalcemia | None | Metabolism and nutrition disorders | None | View |
| Hypomagnesemia | None | Metabolism and nutrition disorders | None | View |
| Hyponatremia | None | Metabolism and nutrition disorders | None | View |
| Hypotension | None | Vascular disorders | None | View |
| Infections and infestations - Other, specify | None | Infections and infestations | None | View |
| INR increased | None | Investigations | None | View |
| Multi-organ failure | None | General disorders | None | View |
| Nausea | None | Gastrointestinal disorders | None | View |
| Neutrophil count decreased | None | Investigations | None | View |
| Pain | None | General disorders | None | View |
| Platelet count decreased | None | Investigations | None | View |
| Rash maculo-papular | None | Skin and subcutaneous tissue disorders | None | View |
| Respiratory failure | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Sepsis | None | Infections and infestations | None | View |
| Sinus tachycardia | None | Cardiac disorders | None | View |
| Skin infection | None | Infections and infestations | None | View |
| Syncope | None | Nervous system disorders | None | View |
| Treatment related secondary malignancy | None | Neoplasms benign, malignant and unspecified (incl cysts and polyps) | None | View |
| Urinary tract infection | None | Infections and infestations | None | View |
| Vomiting | None | Gastrointestinal disorders | None | View |
| White blood cell decreased | None | Investigations | None | View |
| Term | Type | Organ System | Vocab | View |
|---|---|---|---|---|
| Abdominal pain | None | Gastrointestinal disorders | None | View |
| Alanine aminotransferase increased | None | Investigations | None | View |
| Alkaline phosphatase increased | None | Investigations | None | View |
| Allergic reaction | None | Immune system disorders | None | View |
| Anal pain | None | Gastrointestinal disorders | None | View |
| Anemia | None | Blood and lymphatic system disorders | None | View |
| Bone infection | None | Infections and infestations | None | View |
| Bronchial infection | None | Infections and infestations | None | View |
| Bronchopulmonary hemorrhage | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Dyspnea | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Ear pain | None | Ear and labyrinth disorders | None | View |
| Electrocardiogram QT corrected interval prolonged | None | Investigations | None | View |
| Hematoma | None | Vascular disorders | None | View |
| Hematuria | None | Renal and urinary disorders | None | View |
| Hepatic infection | None | Infections and infestations | None | View |
| Hypercalcemia | None | Metabolism and nutrition disorders | None | View |
| Insomnia | None | Psychiatric disorders | None | View |
| Intracranial hemorrhage | None | Nervous system disorders | None | View |
| Investigations - Other, specify | None | Investigations | None | View |
| Laryngeal mucositis | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Neoplasms benign, malignant and unspecified (incl cysts and polyps) - Other, specify | None | Neoplasms benign, malignant and unspecified (incl cysts and polyps) | None | View |
| Nervous system disorders - Other, specify | None | Nervous system disorders | None | View |
| Pneumonitis | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Pulmonary edema | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Rash maculo-papular | None | Skin and subcutaneous tissue disorders | None | View |
| Rectal fistula | None | Gastrointestinal disorders | None | View |
| Skin ulceration | None | Skin and subcutaneous tissue disorders | None | View |
| Small intestine infection | None | Infections and infestations | None | View |
| Soft tissue infection | None | Infections and infestations | None | View |
| Urinary tract infection | None | Infections and infestations | None | View |
| Vaginal infection | None | Infections and infestations | None | View |
| Vascular access complication | None | Injury, poisoning and procedural complications | None | View |
| Catheter related infection | None | Infections and infestations | None | View |
| Cholecystitis | None | Hepatobiliary disorders | None | View |
| Colitis | None | Gastrointestinal disorders | None | View |
| Constipation | None | Gastrointestinal disorders | None | View |
| Creatinine increased | None | Investigations | None | View |
| Dehydration | None | Metabolism and nutrition disorders | None | View |
| Depression | None | Psychiatric disorders | None | View |
| Diarrhea | None | Gastrointestinal disorders | None | View |
| Disseminated intravascular coagulation | None | Blood and lymphatic system disorders | None | View |
| Dysarthria | None | Nervous system disorders | None | View |
| Dysphagia | None | Gastrointestinal disorders | None | View |
| Enterocolitis | None | Gastrointestinal disorders | None | View |
| Enterocolitis infectious | None | Infections and infestations | None | View |
| Epistaxis | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Esophageal infection | None | Infections and infestations | None | View |
| Esophageal pain | None | Gastrointestinal disorders | None | View |
| Esophageal ulcer | None | Gastrointestinal disorders | None | View |
| Esophagitis | None | Gastrointestinal disorders | None | View |
| Eye disorders - Other, specify | None | Eye disorders | None | View |
| Febrile neutropenia | None | Blood and lymphatic system disorders | None | View |
| Fever | None | General disorders | None | View |
| Fibrinogen decreased | None | Investigations | None | View |
| Gastritis | None | Gastrointestinal disorders | None | View |
| GGT increased | None | Investigations | None | View |
| Headache | None | Nervous system disorders | None | View |
| Hyperglycemia | None | Metabolism and nutrition disorders | None | View |
| Hyperkalemia | None | Metabolism and nutrition disorders | None | View |
| Hypernatremia | None | Metabolism and nutrition disorders | None | View |
| Hypertension | None | Vascular disorders | None | View |
| Hypertriglyceridemia | None | Metabolism and nutrition disorders | None | View |
| Hypocalcemia | None | Metabolism and nutrition disorders | None | View |
| Hypokalemia | None | Metabolism and nutrition disorders | None | View |
| Hyponatremia | None | Metabolism and nutrition disorders | None | View |
| Hypophosphatemia | None | Metabolism and nutrition disorders | None | View |
| Hypotension | None | Vascular disorders | None | View |
| Hypoxia | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Infections and infestations - Other, specify | None | Infections and infestations | None | View |
| Laryngeal obstruction | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Lip infection | None | Infections and infestations | None | View |
| Lipase increased | None | Investigations | None | View |
| Lung infection | None | Infections and infestations | None | View |
| Lymph gland infection | None | Infections and infestations | None | View |
| Lymphocyte count decreased | None | Investigations | None | View |
| Metabolism and nutrition disorders - Other, specify | None | Metabolism and nutrition disorders | None | View |
| Mucosal infection | None | Infections and infestations | None | View |
| Mucositis oral | None | Gastrointestinal disorders | None | View |
| Muscle weakness right-sided | None | Musculoskeletal and connective tissue disorders | None | View |
| Nail infection | None | Infections and infestations | None | View |
| Nausea | None | Gastrointestinal disorders | None | View |
| Neutrophil count decreased | None | Investigations | None | View |
| Oral hemorrhage | None | Gastrointestinal disorders | None | View |
| Oral pain | None | Gastrointestinal disorders | None | View |
| Otitis externa | None | Infections and infestations | None | View |
| Otitis media | None | Infections and infestations | None | View |
| Pain | None | General disorders | None | View |
| Pain in extremity | None | Musculoskeletal and connective tissue disorders | None | View |
| Pain of skin | None | Skin and subcutaneous tissue disorders | None | View |
| Pancreatitis | None | Gastrointestinal disorders | None | View |
| Papilledema | None | Eye disorders | None | View |
| Papulopustular rash | None | Infections and infestations | None | View |
| Pharyngitis | None | Infections and infestations | None | View |
| Platelet count decreased | None | Investigations | None | View |
| Pleural effusion | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Pleural hemorrhage | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Rectal hemorrhage | None | Gastrointestinal disorders | None | View |
| Rectal pain | None | Gastrointestinal disorders | None | View |
| Renal and urinary disorders - Other, specify | None | Renal and urinary disorders | None | View |
| Respiratory failure | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Respiratory, thoracic and mediastinal disorders - Other, specify | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Retinoic acid syndrome | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Retinopathy | None | Eye disorders | None | View |
| Sepsis | None | Infections and infestations | None | View |
| Sinusitis | None | Infections and infestations | None | View |
| Skin and subcutaneous tissue disorders - Other, specify | None | Skin and subcutaneous tissue disorders | None | View |
| Skin infection | None | Infections and infestations | None | View |
| Sore throat | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Splenic infection | None | Infections and infestations | None | View |
| Stoma site infection | None | Infections and infestations | None | View |
| Stridor | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Suicide attempt | None | Psychiatric disorders | None | View |
| Surgical and medical procedures - Other, specify | None | Surgical and medical procedures | None | View |
| Thromboembolic event | None | Vascular disorders | None | View |
| Tooth infection | None | Infections and infestations | None | View |
| Toothache | None | Gastrointestinal disorders | None | View |
| Tracheal stenosis | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Tumor lysis syndrome | None | Metabolism and nutrition disorders | None | View |
| Typhlitis | None | Gastrointestinal disorders | None | View |
| Upper respiratory infection | None | Infections and infestations | None | View |
| Ventricular arrhythmia | None | Cardiac disorders | None | View |
| Ventricular tachycardia | None | Cardiac disorders | None | View |
| Vitreous hemorrhage | None | Eye disorders | None | View |
| Vomiting | None | Gastrointestinal disorders | None | View |
| Vulval infection | None | Infections and infestations | None | View |
| Weight gain | None | Investigations | None | View |
| Weight loss | None | Investigations | None | View |
| White blood cell decreased | None | Investigations | None | View |
| Wound infection | None | Infections and infestations | None | View |
| Acidosis | None | Metabolism and nutrition disorders | None | View |
| Activated partial thromboplastin time prolonged | None | Investigations | None | View |
| Acute kidney injury | None | Renal and urinary disorders | None | View |
| Adult respiratory distress syndrome | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Agitation | None | Psychiatric disorders | None | View |
| Anorectal infection | None | Infections and infestations | None | View |
| Anorexia | None | Metabolism and nutrition disorders | None | View |
| Appendicitis | None | Infections and infestations | None | View |
| Appendicitis perforated | None | Infections and infestations | None | View |
| Arachnoiditis | None | Nervous system disorders | None | View |
| Ascites | None | Gastrointestinal disorders | None | View |
| Aspartate aminotransferase increased | None | Investigations | None | View |
| Atelectasis | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Back pain | None | Musculoskeletal and connective tissue disorders | None | View |
| Blood and lymphatic system disorders - Other, specify | None | Blood and lymphatic system disorders | None | View |
| Blood bilirubin increased | None | Investigations | None | View |
| Bronchospasm | None | Respiratory, thoracic and mediastinal disorders | None | View |
| Cardiac disorders - Other, specify | None | Cardiac disorders | None | View |