| Not Yet Recruiting | III Brazilian Registry of Heart Failure Heart Failure | — | 2026-04-20 |
| Not Yet Recruiting | Hypofractionated Radiotherapy Plus Temozolamide in Patients Younger Than 70 Years With Glioblastoma Glioblastoma (GBM) | N/A | 2026-04-01 |
| Not Yet Recruiting | Characterization of Weaning Practices in ICUs of Global South Countries Weaning From Mechanical Ventilation, Weaning Failure, Weaning From Mechanical Ventilation, Extubation | — | 2026-02-01 |
| Not Yet Recruiting | One-Hour Positive Pressure Ventilation After a T-Piece Spontaneous Breathing Trial Airway Extubation, Extubation Failure, Weaning Mechanical Ventilation | N/A | 2026-02-01 |
| Not Yet Recruiting | One-Hour Positive Pressure Ventilation After a Pressure Support Spontaneous Breathing Trial Airway Extubation, Weaning Mechanical Ventilation, Extubation Failure | N/A | 2026-02-01 |
| Not Yet Recruiting | Oral Care Layered Enhancement for Improved Oral Hygiene in Intensive Care Units Mechanical Ventilation, Infection Prevention, Oral Care | N/A | 2025-09-01 |
| Not Yet Recruiting | Low Dose Radiotherapy for Heart Failure Heart Failure - NYHA II - IV | Phase 1 / Phase 2 | 2025-07-14 |
| Recruiting | Polypill and Colchicine for Risk Reduction in Atherosclerotic Cardiovascular Disease Atherothrombotic Diseases, Atherosclerotic Cardiovascular Disease (ASCVD) | Phase 3 | 2025-06-12 |
| Recruiting | National Network for Cardiovascular Genomics: Advancing Cardiovascular Healthcare for Hereditary Diseases in B Cardiomyopathy, Hypertrophic, Cardiomyopathy, Dilated, Cardiomyopathy Restrictive | — | 2025-04-30 |
| Recruiting | Use of Vasopressin in Patients at High Risk of Acute Kidney Injury Admitted to the ICU Critical Illness | Phase 2 | 2025-04-10 |
| Recruiting | CRYoablation for Small Tumors As Local Treatment - SIX Trial Breast Cancer, Breast Neoplasm | Phase 3 | 2025-03-01 |
| Active Not Recruiting | LIQUID BIOPSY FOCUSING ON CIRCULATING TUMOR CELLS AND CIRCULATING TUMOR DNA AS PRECISION MEDICINE IN GASTROINT Cancer of Rectum, Cancer of Pancreas, Cancer of Stomach | — | 2025-01-10 |
| Recruiting | Norepinephrine and Vasopressin for Rescue Versus Early Vasopressin for Vasopressor Dependent Sepsis Septic Shock | Phase 3 | 2024-11-21 |
| Recruiting | An Adapted Brazilian Cardioprotective Diet, Phytosterols and Krill Oil in Familial Hypercholesterolemia (DICA- Familial Hypercholesterolemia | N/A | 2024-10-23 |
| Recruiting | Adjuvant Chemotherapy in cfHPV-DNA Plasma Positive Patients: A Biomarker In Locally Advanced Cervical Cancer Cervical Cancer, Cervix Cancer, Cervix Neoplasm | Phase 3 | 2024-03-27 |
| Completed | Brazilian Cardioprotective Diet, Phytosterols and Krill Oil in Patients With Familial Hypercholesterolemia Familial Hypercholesterolemia | N/A | 2023-05-22 |
| Completed | BALANCE Diet Implementation in Primary Health Care: a Cluster Randomized Type II Hybrid Implementation Study Obesity, Hypertension, Diabetes | N/A | 2022-11-01 |
| Unknown | FreezIng bReaST Cancer in Brazil: a Before-after Study Breast Cancer, Breast Neoplasms | N/A | 2022-09-15 |
| Completed | Daily Chlorexidine Bath for Health Care Associated Infection Prevention Health Care Associated Infection, Ventilator Associated Pneumonia, Central Line-associated Bloodstream Infection (CLABSI) | Phase 3 | 2022-08-03 |
| Unknown | HypErsensitiVity PneumonITis: DiseAse Progression Characterization Hypersensitivity Pneumonitis | — | 2022-06-20 |
| Withdrawn | ART-3 Pilot - Driving Pressure Limited Ventilation for Patients Without ARDS (ART3pilot) Mechanical Ventilation, Acute Respiratory Distress Syndrome | N/A | 2022-03-01 |
| Withdrawn | Adipose Stromal Cells Injection in the Myocardium for Induction of Revascularization Ischemic Heart Disease, Myocardial Ischemia, Coronary Artery Disease | Phase 3 | 2021-12-01 |
| Withdrawn | Evaluation of Safety and Immunogenicity of a Novel Vaccine for Prevention of Covid-19 in Adults Previously Imm Covid19 | Phase 1 / Phase 2 | 2021-11-01 |
| Completed | Efficacy of PJS-539 for Adult Patients With COVID-19. Covid19, COVID-19 Pneumonia | Phase 2 | 2021-09-25 |
| Unknown | BRaziLian outcomE for metAStatic breasT Cancer Metastatic Breast Cancer, Breast Cancer Stage IV | — | 2021-09-13 |
| Terminated | Two Different Ventilatory Strategies in Acute Respiratory Distress Syndrome Due to Community-acquired Pneumoni Community-acquired Pneumonia, Acute Respiratory Distress Syndrome | N/A | 2021-09-04 |
| Completed | Automated Documentation of Vital Parameters Using Mobile Stations and Activation of the Rapid Response Team Inpatient Facililty Diagnoses | N/A | 2021-04-22 |
| Unknown | Rheumatoid Arthritis-Associated Interstitial Lung Disease: Characterization of Lung Disease Progression Rheumatoid Lung, Rheumatoid Arthritis, Interstitial Lung Disease | — | 2021-03-01 |
| Completed | Antiviral Agents Against COVID-19 Infection COVID-19 | Phase 2 / Phase 3 | 2021-02-15 |
| Terminated | RENOVATE Fibrosis:HFNC Versus NIPPV in Acute Respiratory Failure in Patients With Pulmonary Fibrosis Acute Respiratory Failure, Pulmonary Fibrosis | N/A | 2020-12-10 |
| Terminated | RENOVATE Palliative: HFNC vs. Standard Respiratory Support in Patients With Do-Not-Intubate Order and ARF Care, Palliative, Respiratory Failure | N/A | 2020-12-01 |
| Completed | Antisense Therapy to Block the Kallikrein-kinin Pathway in COVID-19 Covid19 | Phase 2 | 2020-10-19 |
| Unknown | NEtwork to Control ATherothrombosis (NEAT Registry) Coronary Artery Disease, Peripheral Arterial Disease, Atherothrombosis | — | 2020-09-30 |
| Completed | Prayer in Commbate to Corona Virus - Covid -19 Covid19 | N/A | 2020-08-01 |
| Completed | Safety and Efficacy of Hydroxychloroquine Associated With Azithromycin in SARS-Cov-2 Virus (COVID-19) Coronavirus Infections | Phase 3 | 2020-04-01 |
| Unknown | Use of Sterile HemaClear Tourniquet Below Calf Versus Pneumatic Tourniquet at the Thigh for Ankle and Foot Sur Foot Fracture, Ankle Fractures, Ankle Injuries | N/A | 2019-12-10 |
| Completed | High-Flow Nasal Oxygen Cannula Compared to Non-Invasive Ventilation in Adult Patients With AcuTE Respiratory F Respiratory Insufficiency, Respiratory Failure | N/A | 2019-11-01 |
| Active Not Recruiting | Physical Rehabilitation in Patients With Complex Congenital Heart Disease Congenital Heart Disease (CHD) | N/A | 2019-09-01 |
| Unknown | Evaluate the Effectiveness of Self-care Multifaceted Strategy in Heart Failure Patients Heart Failure | N/A | 2019-07-08 |
| Completed | Nutritional Strategy for Glycemic Control in Patients With Type 2 Diabetes Mellitus (NUGLIC) Diabetes Mellitus, Type 2 | N/A | 2019-05-06 |
| Completed | Nutritional Strategy for Blood Pressure Control in Patients With Hypertension (NUPRESS) Hypertension | N/A | 2019-04-24 |
| Completed | Coated Devices to Decrease Infection in the Intensive Care Unit Critically Ill | Phase 1 / Phase 2 | 2019-04-06 |
| Completed | Brazilian Cardioprotective Diet and Nuts in Post-acute Myocardial Infarction Coronary Artery Disease, Myocardial Infarction | N/A | 2019-01-03 |
| Unknown | Treatment of Aortic Stenosis in Brazil: Cost-Utility Analysis of TAVI vs SAVR Aortic Stenosis | N/A | 2018-12-10 |
| Completed | Balanced Solution Versus Saline in Intensive Care Study Critical Illness, Acute Kidney Injury | Phase 3 | 2017-05-27 |
| Completed | Brazilian Intervention to Increase Evidence Usage in Practice - Stroke (BRIDGE-Stroke) Acute Ischemic Stroke | N/A | 2016-09-01 |
| Completed | Brazilian inteRvention to Increase eviDence usaGe in practicE - Cardiovascular Prevention Cardiovascular Diseases | N/A | 2016-08-26 |
| Completed | Ticagrelor in Patients With ST Elevation Myocardial Infarction Treated With Pharmacological Thrombolysis Acute ST Segment Elevation Myocardial Infarction, Thrombolysis in Myocardial Infarction Flow | Phase 3 | 2015-08-01 |
| Completed | RIvaroxaban for Valvular Heart diseasE and atRial Fibrillation Trial -RIVER Trial Valvular Heart Disease | Phase 2 | 2015-08-01 |
| Completed | ART-2 Pilot - Driving Pressure Limited Ventilation for Patients With ARDS Acute Respiratory Distress Syndrome | Phase 1 / Phase 2 | 2015-06-12 |
| Completed | Electrical Stimulation in Patients With Unipolar Major Depression Depression | Phase 2 | 2014-05-01 |
| Completed | Deep Brain Stimulation for Human Morbid Obesity Obesity | Phase 1 | 2014-04-01 |
| Completed | Electrical Stimulation in Patients With Unipolar Major Depression Depression | Phase 2 | 2013-12-01 |
| Completed | Checklist During Multidisciplinary Visits for Reduction of Mortality in Intensive Care Units Critical Care | N/A | 2013-08-01 |
| Suspended | HOPE-Epilepsy Trial Epilepsy | Phase 2 / Phase 3 | 2013-07-01 |
| Completed | GAstric Bypass to Treat obEse Patients With steAdy hYpertension Systemic Hypertension, Obesity | N/A | 2013-05-01 |
| Completed | Brazilian Cardioprotective Nutritional Program Trial Cardiovascular Diseases | N/A | 2013-03-05 |
| Completed | Lowering the Risk of Operative Complications Using Atorvastatin Loading Dose Myocardial Infarction, Peripheral Vascular Disease, Aortic Aneurism | Phase 3 | 2012-11-01 |
| Completed | CHAIN_brazilian Registry of Congenital HeArt Disease INtervention and Angiography Congenital Heart Disease, Cardiac Catheterization, Brazilian Electronic Registration | — | 2012-10-01 |
| Withdrawn | Single Pill to Avert Cardiovascular Events Cardiovascular Disease | Phase 3 | 2012-10-01 |
| Completed | Statins Evaluation in Coronary Procedures and Revascularization Trial Acute Coronary Syndrome | Phase 4 | 2012-04-01 |
| Completed | Brazilian Heart-Prevent Meal - A Pilot Randomized Clinical Trial Cardiovascular Diseases | N/A | 2011-09-01 |
| Completed | ART - Alveolar Recruitment for Acute Respiratory Distress Syndrome Trial Respiratory Distress Syndrome, Adult | N/A | 2011-06-01 |
| Completed | BREATHE Registry - I Brazilian Registry of Heart Failure Heart Failure | — | 2011-03-01 |
| Completed | Cognitive Behaviour Therapy and Nicotine Replacement to Increase Tobacco Cessation Smokers | N/A | 2010-07-01 |
| Completed | Brazilian Intervention to Increase Evidence Usage in Practice - Acute Coronary Syndromes Acute Coronary Syndrome | N/A | 2010-01-01 |
| Completed | The Acetylcysteine for Contrast-Induced Nephropathy Trial Acute Kidney Failure | Phase 3 | 2008-08-01 |