A Multicenter, Adaptive, Randomized Controlled Platform Trial of the Safety and Efficacy of Antithrombotic and Additional Strategies in Hospitalized Adults With COVID-19
| Registry | NCT04505774, acronym ACTIV-4A |
|---|---|
| Status | Completed |
| Phase | Phase 4 |
| Study type | Interventional; randomized, sequential, masking: none, treatment |
| Enrollment | 3591 (Actual) |
| Sponsor | Matthew Neal MD (Other); collaborators: National Heart, Lung, and Blood Institute (NHLBI) |
| Conditions | Covid19 |
| Interventions | theraputic heparin, prophylactic heparin, P2Y12, Crizanlizumab Injection, SGLT2 inhibitor (Drug) |
| Dates | start 2020-09-04, primary completion 2023-08-31, completion 2024-01-26, first posted 2020-08-10, last updated 2024-12-30 |
| Locations | 101 sites in United States, Brazil, Italy, Spain |
Related Papers Related Patents Related Grants Related Experts
All trials for Covid19 All trials of theraputic heparin All trials of prophylactic heparin
This is a randomized, open label, adaptive platform trial to compare the effectiveness of antithrombotic and additional strategies for prevention of adverse outcomes in COVID-19 positive inpatients
The severe acute respiratory syndrome coronavirus 2, which causes the highly contagious coronavirus disease 2019 (COVID-19), has resulted in a global pandemic.
The clinical spectrum of COVID-19 infection is broad, encompassing asymptomatic infection, mild upper respiratory tract illness, and severe viral pneumonia with respiratory failure and death. The risk of thrombotic complications is increased, even as compared to other viral respiratory illnesses, such as influenza. A pro-inflammatory cytokine response as well as induction of procoagulant factors associated with COVID-19 has been proposed to contribute to thrombosis as well as plaque rupture through local inflammation. Patients with COVID-19 are at increased risk for arterial and vein thromboembolism, with high rates observed despite thromboprophylaxis. Autopsy reports have noted micro and macro vascular thrombosis across multiple organ beds consistent with an early hypercoagulable state.
Notably, in COVID-19, data in the U.K. and U.S. document that infection and outcomes of infection are worse in African and Hispanic descent persons than in other groups. The reasons for this are uncertain.
Viral Infection and Thrombosis A large body of literature links inflammation and coagulation; altered hemostasis is a known complication of respiratory viral infections. Procoagulant markers are severely elevated in viral infections. Specifically, proinflammatory cytokines in viral infections upregulate expression of tissue factor, markers of thrombin generation, platelet activation, and down-regulate natural anticoagulant proteins C and S.
Studies have demonstrated significant risk of deep venous thrombosis (DVT), pulmonary embolism (PE), and myocardial infarction (MI) associated with viral respiratory infections. In a series of patients with fatal influenza H1N1, 75% had pulmonary thrombi on autopsy (a rate considerably higher than reported on autopsy studies among the general intensive care unit population). Incidence ratio for acute myocardial infarction in the context of Influenza A is over 10. Severe acute respiratory syndrome coronavirus-1 (SARS CoV-1) and influenza have been associated with disseminated intravascular coagulation (DIC), endothelial damage, DVT, PE, and large artery ischemic stroke. Patients with Influenza H1N1 and acute respiratory distress syndrome (ARDS) had a 23.3-fold higher risk for pulmonary embolism, and a 17.9-fold increased risk for deep vein thrombosis. Compared to those treated with systemic anticoagulation, those without treatment were 33 times more likely to suffer a VTE.
Thrombosis, both microvascular and macrovascular, is a prominent feature in multiple organs at autopsy in fatal cases of COVID-19. Thrombosis may thus contribute to respiratory failure, renal failure, and hepatic injury in COVID-19. The number of megakaryocytes in tissues is higher than in other forms of ARDS, and thrombi are platelet-rich based on specific staining. Thrombotic stroke has been reported in young COVID-19 patients with no cardiovascular risk factors. Both arterial and venous thrombotic events have been seen in increasing numbers of hospitalized patients infected with COVID-19. The incidence of thrombosis has ranged from 10 to 30% in hospitalized patients; however, this varies by type of thrombosis captured (arterial or vein) and severity of illness (ICU level care, requiring mechanical ventilation, etc.).
Additional treatment strategies Data from the multiplatform randomized controlled trial (mpRCT) demonstrated that (1) therapeutic dose anticoagulation with heparin was not beneficial in improving clinical outcomes compared to standard of care prophylactic dose heparin in severely ill (ICU level of care) patients, and (2) therapeutic dose anticoagulation with heparin was beneficial in improving organ support free days compared to standard of care prophylactic dose heparin in moderately ill (hospitalized and not requiring organ support) patients. However, there remains significant residual risk for adverse clinical outcomes and excess mortality for severely ill as well as moderately ill patients.
Antithrombotic regimens that are shown to be efficacious will be combined in clinical practice with other agents to treat COVID-19 hospitalized patients. This adaptive platform trial will test other promising agents when added to proven therapies, such as heparin. The rationale and risks for each agent will be included in the arm-specific appendix. Two specific agents to be added as arms, effective October 2021, include the P-selectin inhibitor, Crizanlizumab as well as SGLT2 inhibitors. P-selectin may play a proximal role in the inflammatory and thrombotic cascade in patients with COVID-19 and P-selectin inhibition may be a effective in preventing downstream sequelae. In addition, SGLT-2 inhibitors have been shown to decrease capillary leak and may promote vascular integrity in COVID-19.
This platform trial will have multiple arms, which may be dropped or added as the platform trial progresses. Sample size will be flexible: the trial will be stopped for efficacy or futility based on pre-determined statistical thresholds as defined in the arm-specific appendices. Each arm will have an adaptive component for determinations of futility or success.
Randomization assignments are at the participant level, stratified by enrolling site and by ICU level of care vs non-ICU level of care and/or other arm-specific criteria.
| Arm | Type | Interventions | Description |
|---|---|---|---|
| Therapeutic Dose Anticoagulation | Other | Drug: theraputic heparin | increased dose of heparin above standard of care. 1.0 - This arm was stopped in severe patients in December 2020 and results are published in PMID: 34351722 (NEJM, August, 2021) (see reference section for citation). This arm was stopped for moderate patients in January 2021. |
| Prophylactic Dose Anticoagulation | Other | Drug: prophylactic heparin | Heparin standard of care 1.0 - this arm was stopped for all patients in January, 2021 and results are published in PMID: 34351721 (NEJM, August, 2021) (see reference section for citation) |
| Therapeutic Dose Anticoagulation + P2Y12 inhibitor | Other | Drug: theraputic heparin; Drug: P2Y12 | increased dose of heparin above standard of care with an added P2Y12 inhibitor This Arm enrolled moderate illness patients only. Enrollment of moderate illness patients in the trial was ended per DSMB on June 19, 2021 and results are published in PMID: PMID: 35040887 (JAMA, January, 2022) (see reference section for citation) |
| Prophylactic Dose Anticoagulation + P2Y12 inhibitor | Other | Drug: prophylactic heparin; Drug: P2Y12 | Heparin standard of care with an added P2Y12 inhibitor This Arm enrolled severe illness patients only. Enrollment of severe illness patients in the trial was ended per DSMB in June 2022. |
| Standard of Care + Crizanlizumab | Other | Drug: Crizanlizumab Injection | Standard of care plus crizanlizumab infusion This arm will enroll moderate and severe illness patients This arm was ended for all patients per the DSMB in September 2022. |
| Standard of Care + SGLT2 inhibitor | Other | Drug: SGLT2 inhibitor | Standard of care plus SGLT2 inhibitor This arm will enroll moderate and severe illness patients This arm was ended in March 2023 |
| Standard of Care (SGLT2 arm) | Other | Drug: SGLT2 inhibitor | Standard of care only This arm will enroll moderate and severe illness patients This arm was ended in March 2023 |
| Standard of Care (Criza) | Other | Drug: Crizanlizumab Injection | Standard of care only This arm will enroll moderate and severe illness patients This arm was ended for all patients per the DSMB in September 2022. |
Sex: All, ages: 18 Years to any
Inclusion Criteria: * ≥ 18 years of age * Hospitalized for COVID-19 * Enrolled within 72 hours of hospital admittance or 72 hours of positive COVID test * Expected to require hospitalization for > 72 hours Exclusion Criteria: * Imminent death * Requirement for chronic mechanical ventilation via tracheostomy prior to hospitalization * Pregnancy Inclusion Criteria for Arm E Inclusion criteria contained in the master protocol in addition to the following: Moderate illness severity - defined as non-ICU level of care at the time of randomization (not receiving high flow nasal oxygen (HFNO), non-invasive ventilation (NIV), invasive ventilation (IV), vasopressors or inotropes, or extracorporeal membrane oxygenation (ECMO) OR Severe illness severity - defined as ICU level of care at the time of randomization (receiving HFNO, NIV, IV, vasopressors or inotropes, or ECMO) For moderate illness severity, participants are required to meet one or more of the following risk criteria: 1. Age ≥ 65 years or 2. ≥2 of the following - * O2 supplementation > 2 liters per minute * BMI ≥ 35 * GFR ≤ 60 * History of Type 2 diabetes * History of heart failure (regardless of ejection fraction) * D dimer ≥ 2x the site's upper limit of normal (ULN) * Troponin ≥ 2x the site's ULN * BNP≥100 pg/mL or NT-proBNP≥300 pg/mL * CRP ≥50 mg/L Exclusion Criteria for Arm E * Exclusion criteria contained in the master protocol, and * Any condition that, in the opinion of the investigator, precludes the use of crizanlizumab such as uncontrolled bleeding or severe anemia (hemoglobin<4 g/dL) * Open label treatment with crizanlizumab within the past three months Inclusion Criteria for Arm F Inclusion criteria contained in the master protocol in addition to the following: Moderate illness severity - defined as non-ICU level of care at the time of randomization (not receiving high flow nasal oxygen (HFNO), non-invasive ventilation (NIV), invasive ventilation (IV), vasopressors or inotropes, or extracorporeal membrane oxygenation (ECMO)) OR Severe illness severity - defined as ICU level of care at the time of randomization (receiving HFNO, NIV, IV, vasopressors or inotropes, or ECMO) For moderate illness severity, participants are required to meet one or more of the following risk criteria: 1. Age ≥ 65 years or 2. ≥2 of the following- * O2 supplementation > 2 liters per minute * BMI ≥ 35 * GFR ≤ 60 * History of Type 2 diabetes * History of heart failure (regardless of ejection fraction) * D dimer ≥ 2x the site's upper limit of normal (ULN) * Troponin ≥ 2x the site's ULN * BNP≥100 pg/mL or NT-proBNP≥300 pg/mL * CRP ≥50 mg/L Exclusion Criteria for Arm F In addition to the exclusion criteria noted in the master protocol, arm-specific exclusion criteria are as follows: * Known hypersensitivity to any SGLT2 inhibitors * Type 1 diabetes * History of diabetic ketoacidosis * eGFR <20 and/or requirement for renal replacement therapy * Open label treatment with any SGLT2 inhibitor * Based on a recommendation from the ACTIV4 DSMB on December 19, 2020, enrollment of patients requiring ICU level of care into the therapeutic anti-coagulation arm was stopped due to meeting a futility threshold and a potential for harm for this sub-group could not be excluded. Enrollment continues for moderately ill hospitalized COVID-19 patients. * Based on a recommendation from the ACTIV4 DSMB on June 18, 2021, enrollment of patients not requiring ICU level of care and randomized to P2Y12 or standard care was stopped due to meeting a futility threshold. Enrollment continues for severely ill (ICU level of care) hospitalized COVID-19 patients.
| Milestone | Therapeutic Dose Anticoagulation | Prophylactic Dose Anticoagulation | Therapeutic Dose Anticoagulation + P2Y12 Inhibitor | Prophylactic Dose Anticoagulation + P2Y12 Inhibitor | Standard of Care + SGLT2 Inhibitor | Standard of Care (SGLT2) | Standard of Care + Crizanlizumab | Standard of Care (Criza) |
|---|---|---|---|---|---|---|---|---|
| Started | 569 | 514 | 772 | 739 | 287 | 288 | 211 | 211 |
| Completed | 565 | 511 | 766 | 735 | 280 | 287 | 210 | 209 |
| Not completed | 4 | 3 | 6 | 4 | 7 | 1 | 1 | 2 |
Time frame: Discharge, Death or Day 28
| Arm | Deaths | Serious adverse events | Other adverse events |
|---|---|---|---|
| Therapeutic Dose Anticoagulation | 69/569 (12.1%) | 46/569 (8.1%) | 0 |
| Prophylactic Dose Anticoagulation | 65/514 (12.6%) | 57/514 (11.1%) | 0 |
| Therapeutic Dose Anticoagulation + P2Y12 Inhibitor | 147/772 (19.0%) | 151/772 (19.6%) | 0 |
| Prophylactic Dose Anticoagulation + P2Y12 Inhibitor | 149/739 (20.2%) | 133/739 (18.0%) | 0 |
| Standard of Care + SGLT2 Inhibitor | 37/287 (12.9%) | 20/287 (7.0%) | 0 |
| Standard of Care (sglt2) | 42/288 (14.6%) | 33/288 (11.5%) | 0 |
| Standard of Care + Crizanlizumab | 37/211 (17.5%) | 24/211 (11.4%) | 0 |
| Standard of Care (Criza) | 28/211 (13.3%) | 28/211 (13.3%) | 0 |
| Term | Organ system | Therapeutic Dose Anticoagulation | Prophylactic Dose Anticoagulation | Therapeutic Dose Anticoagulation + P2Y12 Inhibitor | Prophylactic Dose Anticoagulation + P2Y12 Inhibitor | Standard of Care + SGLT2 Inhibitor | Standard of Care (sglt2) | Standard of Care + Crizanlizumab | Standard of Care (Criza) |
|---|---|---|---|---|---|---|---|---|---|
| Deep Vein Thrombosis | Vascular disorders | 1/569 | 2/514 | 1/772 | 0/739 | 0/287 | 3/288 | 1/211 | 1/211 |
| Pulmonary Embolism | Respiratory, thoracic and mediastinal disorders | 10/569 | 18/514 | 41/772 | 26/739 | 2/287 | 3/288 | 0/211 | 4/211 |
| myocardial infarction | Cardiac disorders | 2/569 | 2/514 | 7/772 | 4/739 | 0/287 | 1/288 | 2/211 | 1/211 |
| ischemmic stroke | Vascular disorders | 3/569 | 3/514 | 11/772 | 3/739 | 0/287 | 1/288 | 0/211 | 0/211 |
| Other arterial or venous thromboembolism event | Vascular disorders | 1/569 | 0/514 | 0/772 | 0/739 | 0/287 | 1/288 | 0/211 | 0/211 |
| disseminated intravascular coagulation | Vascular disorders | 0/569 | 3/514 | 0/772 | 0/739 | 0/287 | 0/288 | 0/211 | 0/211 |
| symptomatic intracranial or intracerebral hemorrhage | Vascular disorders | 0/569 | 0/514 | 0/772 | 1/739 | 0/287 | 0/288 | 0/211 | 0/211 |
| major bleeding | Vascular disorders | 13/569 | 8/514 | 21/772 | 17/739 | 4/287 | 3/288 | 6/211 | 4/211 |
| heparin induced thrombocytopenia | Injury, poisoning and procedural complications | 2/569 | 3/514 | 3/772 | 3/739 | 0/287 | 0/288 | 0/211 | 0/211 |
| diabetic ketoacidosis | Renal and urinary disorders | 0/569 | 0/514 | 0/772 | 0/739 | 0/287 | 0/288 | 0/211 | 0/211 |
| acute kidney injury | Renal and urinary disorders | 0/569 | 0/514 | 3/772 | 0/739 | 4/287 | 7/288 | 9/211 | 10/211 |
| anaphylaxis | Respiratory, thoracic and mediastinal disorders | 0/569 | 0/514 | 0/772 | 0/739 | 0/287 | 0/288 | 0/211 | 0/211 |
| pregnancy | Pregnancy, puerperium and perinatal conditions | 0/569 | 0/514 | 0/772 | 0/739 | 0/287 | 0/288 | 0/211 | 0/211 |
| other | Injury, poisoning and procedural complications | 2/569 | 3/514 | 24/772 | 34/739 | 9/287 | 8/288 | 4/211 | 1/211 |
| arterial thromboembolic event | Vascular disorders | 2/569 | 2/514 | 0/772 | 2/739 | 0/287 | 1/288 | 0/211 | 2/211 |
| Venus thrombosis | Vascular disorders | 10/569 | 14/514 | 47/772 | 47/739 | 1/287 | 5/288 | 4/211 | 6/211 |
| Facility | City | Country | Status |
|---|---|---|---|
| University of Alabama | Birmingham, Alabama | United States | |
| University of Arizona | Tucson, Arizona | United States | |
| University of Arkansas for Medical Sciences | Little Rock, Arkansas | United States | |
| Kaiser Permanente Fontana | Fontana, California | United States | |
| Kaiser Permanente Los Angeles | Los Angeles, California | United States | |
| Smidt Heart Institute at Cedars-Sinai | Los Angeles, California | United States | |
| Ronald Reagan UCLA Medical Center | Los Angeles, California | United States | |
| UC San Diego Hillcrest | San Diego, California | United States | |
| Zuckerberg San Francisco General Hospital | San Francisco, California | United States | |
| UCSF San Francisco | San Francisco, California | United States | |
| Zuckerberg San Francisco General Hospital | San Francisco, California | United States | |
| Stanford University Medical Center | Stanford, California | United States | |
| Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center | Torrance, California | United States | |
| Denver Health and Hospital Authority | Denver, Colorado | United States | |
| St. Mary's Hospital & Regional Medical Center | Grand Junction, Colorado | United States | |
| Saint Francis Hospital and Medical Center | Hartford, Connecticut | United States | |
| University of Florida | Gainesville, Florida | United States | |
| Memorial Hospital | Jacksonville, Florida | United States | |
| AdventHealth Tampa | Tampa, Florida | United States | |
| Emory | Atlanta, Georgia | United States | |
| Morehouse School of Medicine | Atlanta, Georgia | United States | |
| Queens Medical Center | Honolulu, Hawaii | United States | |
| Memorial Hospital | Belleville, Illinois | United States | |
| Cook County Health | Chicago, Illinois | United States | |
| University of Illinois at Chicago Health (UIH) | Chicago, Illinois | United States | |
| OSF Little Company of Mary Medical Center (OSF LCM) | Evergreen Park, Illinois | United States | |
| Indiana University Health Methodist Hospital | Indianapolis, Iowa | United States | |
| Kansas University Medical Center | Kansas City, Kansas | United States | |
| Ochsner Clinic Foundation | New Orleans, Louisiana | United States | |
| Boston University | Boston, Massachusetts | United States | |
| St Elizabeth's Medical Center | Brighton, Massachusetts | United States | |
| Baystate Medical Center | Springfield, Massachusetts | United States | |
| University of Massachusetts | Worcester, Massachusetts | United States | |
| University of Michigan | Ann Arbor, Michigan | United States | |
| Wayne State University | Detroit, Michigan | United States | |
| Hennepin County Medical Center | Minneapolis, Minnesota | United States | |
| University of Mississippi Medical Center | Jackson, Mississippi | United States | |
| Washington University School of Medicine, ACCS Research | St Louis, Missouri | United States | |
| University Medical Center of Southern Nevada | Las Vegas, Nevada | United States | |
| Cooper Health | Camden, New Jersey | United States | |
| Englewood Health | Englewood, New Jersey | United States | |
| Atlantic Health System | Morristown, New Jersey | United States | |
| Rutgers New Jersey Medical School | Newark, New Jersey | United States | |
| AtlantiCare Regional Medical Center | Pomona, New Jersey | United States | |
| Albany Medical College | Albany, New York | United States | |
| Mercy Hospital Buffalo | Buffalo, New York | United States | |
| VA New York Harbor Healthcare System | New York, New York | United States | |
| NYU Langone | New York, New York | United States | |
| Mt. Sinai Hospital | New York, New York | United States | |
| SUNY Upstate University Hospital | Syracuse, New York | United States | |
| Jacobi Medical Center | The Bronx, New York | United States | |
| Montefiore Medical Center | The Bronx, New York | United States | |
| Westchester Medical Center | Valhalla, New York | United States | |
| Duke University Hospital | Durham, North Carolina | United States | |
| Wake Forest | Winston-Salem, North Carolina | United States | |
| Cleveland Clinic Akron General | Akron, Ohio | United States | |
| University of Cincinnati Medical Center | Cincinnati, Ohio | United States | |
| The MetroHealth System | Cleveland, Ohio | United States | |
| Cleveland Clinic Foundation | Cleveland, Ohio | United States | |
| Ohio State Universtiy Wexner Medical Center | Columbus, Ohio | United States | |
| Mercy Health St Vincent Medical Center | Toledo, Ohio | United States | |
| Ascension St. John Clinical Research Institute | Tulsa, Oklahoma | United States | |
| Oregon Health and Science University | Portland, Oregon | United States | |
| Geisinger Research | Danville, Pennsylvania | United States | |
| Doylestown Cardiology Associates | Doylestown, Pennsylvania | United States | |
| Penn State Health Milton S. Hershey Medical Center | Hershey, Pennsylvania | United States | |
| Hospital of the University of Pennsylvania | Philadelphia, Pennsylvania | United States | |
| Temple University | Philadelphia, Pennsylvania | United States | |
| UPMC Presbyterian | Pittsburgh, Pennsylvania | United States | |
| Rhode Island Hospital | Providence, Rhode Island | United States | |
| The Miriam Hospital | Providence, Rhode Island | United States | |
| Sarah Cannon and HCA Research Institute | Nashville, Tennessee | United States | |
| Skyline Medical Center | Nashville, Tennessee | United States | |
| University of Texas at Austin | Austin, Texas | United States | |
| University of Texas Southwestern Medical Center | Dallas, Texas | United States | |
| Medical City Ft Worth | Fort Worth, Texas | United States | |
| Baylor Scott and White Medical Center - Temple | Temple, Texas | United States | |
| HCA Henrico Doctors Hospital | Richmond, Virginia | United States | |
| Swedish Hospital | Seattle, Washington | United States | |
| West Virginia University CTR | Morgantown, West Virginia | United States | |
| University of Wisconsin Hospital; Meriter Hospital (UW affiliated) | Madison, Wisconsin | United States | |
| Hospital Universitario Sao Francisco de Assis | Bragança Paulista | Brazil | |
| União Brasileira de Educação e Assistência - Hospital São Lucas da PUCRS | Porto Alegre | Brazil | |
| Centro de Estudos Clínicos do Hospital Cárdio Pulmonar | Salvador | Brazil | |
| Fundação Faculdade Regional De Medicina De São José Do Rio Preto | São José do Rio Preto | Brazil | |
| Instituto Dante Pazzanese de Cardiologia | São Paulo | Brazil | |
| Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da USP-InCor-HCFMUSP | São Paulo | Brazil | |
| Azienda Ospedaliero Sant Anna e San Sebastiano | Caserta | Italy | |
| Maria Cecilia Hospital , Cotignola, Ravenna | Cotignola | Italy | |
| Università degli Studi di Ferrara, Ferrara | Ferrara | Italy | |
| Azienda Ospedaliero -Universitaria Careggi | Florence | Italy | |
| Policlinico di Napoli, Napoli | Naples | Italy | |
| AOU Policlinico di Palermo, Palermo | Palermo | Italy | |
| ASL-1 Imperiese, Sanremo | Sanremo | Italy | |
| Hospital Universitario A Coruna | A Coruña | Spain | |
| Hospital Virgen del Mar | Almería | Spain | |
| Hospital Arnau de Vilanova | Lleida | Spain | |
| Hospital Universitario La Paz | Madrid | Spain | |
| Hospital Universitario Ramon Y Cajal | Madrid | Spain | |
| Hospital Clínico Universitario de Salamanca | Salamanca | Spain |
1 more sites not listed.
NIH grants: 1OT2HL156812-01