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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04394377
Other study ID # 002/2020
Secondary ID
Status Completed
Phase Phase 4
First received
Last updated
Start date June 21, 2020
Est. completion date May 30, 2021

Study information

Verified date May 2020
Source Brazilian Clinical Research Institute
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Pragmatic randomized clinical trial of patients admitted to the hospital with confirmed COVID-19 infection and elevated D-Dimer. Randomization 1:1 - Group 1 will undergo a routine full anticoagulation (oral or parenteral when needed) strategy; and group 2 will receive usual standard of care with prophylactic anticoagulation


Description:

Patients admitted to hospital with confirmed COVID-19, and who meet the eligibility criteria will be invited to participate in the proposed study. Following the application of the informed consent form, they will collect the D-dimer (if they have not yet collected it routinely from the hospital) and confirm the value over the normal limit in patients with confirmed COVID-19, will be randomized to 2 groups in the 1:1 ratio. Group 1 will follow the strategy of routine use of full anticoagulation therapy (oral or parenteral when indicated); and group 2 will follow the usual standard care with in-hospital prophylactic anticoagulation (without routine full anticoagulation).


Recruitment information / eligibility

Status Completed
Enrollment 615
Est. completion date May 30, 2021
Est. primary completion date March 26, 2021
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Patients with confirmed diagnosis of COVID-19 admitted to hospital; - Duration of symptoms related to hospitalization = 14 days; - Patients = 18 year old; - D-dimer above the upper limit of normal (collected until 72 hours before the randomization); - Agreement to participate by providing the informed consent form (ICF). Exclusion Criteria: - Patients with indication for full anticoagulation during inclusion (for example, diagnosis of venous thromboembolism, atrial fibrillation, mechanical valve prosthesis); - Platelets < 50,000 /mm3 - Need for ASA therapy > 100 mg; - Need for P2Y12 inhibitor therapy (clopidogrel, ticagrelor or prasugrel); - Chronic use of non-hormonal anti-inflammatory drugs; - Sustained uncontrolled systolic blood pressure (BP) of =180 mmHg or diastolic BP of =100 mmHg; - INR > 1,5; - Patients contraindicated to full anticoagulation (active bleeding, liver failure, blood dyscrasia or prohibitive hemorrhage risk as evaluated by the investigator); - Criteria for disseminated intravascular coagulation (DIC); - A history of hemorrhagic stroke or any intracranial bleeding at any time in the past or current intracranial neoplasm (benign or malignant), cerebral metastases, arteriovenous (AV) malformation, or aneurysm; - Active cancer (excluding non-melanoma skin cancer) defined as cancer not in remission or requiring active chemotherapy or adjunctive therapies such as immunotherapy or radiotherapy; - Hypersensitivity to rivaroxaban; - Use of strong inhibitors of cytochrome P450 (CYP) 3A4 and/or P-glycoprotein (P-gp) (e.g. protease inhibitors, ketoconazole, Itraconazole) and/or use of P-gp and strong CYP3A4 inducers (such as but not limited to rifampin/rifampicin, rifabutin, rifapentine, phenytoin, phenobarbital, carbamazepine, or St. John's Wort); - Known HIV infection; - Creatinine clearance < 30 ml/min according to the Cockcroft-Gault Formula; - Pregnancy or breastfeeding.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Group 1: Rivaroxaban 20mg/d followed by enoxaparin/unfractionated heparin when needed
Routine full anticoagulation strategy
Group 2: control group with enoxaparin 40mg/d
Usual standard of care and currently have no indication of full anticoagulation.

Locations

Country Name City State
Brazil Hospital Maternidade São Vicente de Paulo Barbalha Ceará
Brazil Hospital de Amor de Barretos - (Pio XII) Barretos São Paulo
Brazil Hospital Vera Cruz Belo Horizonte Minas Gerais
Brazil Núcleo de Ciências de Saúde - Unidade de Pesquisa - Hospital Felício Rocho Belo Horizonte Minas Gerais
Brazil Unidade de Pesquisa Clínica da Faculdade de Medicina de Botucatu - Unesp Botucatu São Paulo
Brazil Hospital Universitário São Francisco de Assis Bragança Paulista São Paulo
Brazil Hospital Regional do Litoral Norte Caraguatatuba São Paulo
Brazil Hospital Nereu Ramos Florianópolis Santa Catarina
Brazil Instituto Baia Sul de Ensino E Pesquisa Dr. Irineu May Brodbeck / Hospital Baía Sul Florianópolis Santa Catarina
Brazil Centro de Pesquisas Cardiológicas de Goiânia do Hospital das Clínicas (UFG) Goiânia Goiás
Brazil Hospital Regional Hans Dieter Schmidt Joinville Santa Catarina
Brazil Hospital Universitário da Universidade Estadual de Londrina Londrina Paraná
Brazil Hospital Moinhos de Vento Porto Alegre Rio Grande Do Sul
Brazil Hospital Agamenon Magalhães Recife Pernambuco
Brazil Real Hospital Português de Beneficência em Pernambuco Recife Pernambuco
Brazil Hospital Regional de Registro Registro São Paulo
Brazil Hospital Naval Marcílio Dias Rio de Janeiro
Brazil Centro de Estudos Clínicos do Hospital Cárdio Pulmonar Salvador Bahia
Brazil Instituto de Ensino e Pesquisa do Hospital da Bahia Salvador Bahia
Brazil Santa Casa de Misericórdia da Bahia - Hospital Santa Izabel Salvador Bahia
Brazil Praxis Pesquisa Médica Santo André São Paulo
Brazil Centro Integrado de Pesquisa (CIP) - Hospital de Base de Rio Preto São José Do Rio Preto São Paulo
Brazil Hospital Regional de São José dos Campos São José Dos Campos São Paulo
Brazil BP - A Beneficência Portuguesa de São Paulo São Paulo
Brazil Hcor - Hospital do Coração São Paulo
Brazil Hospital Israelita Albert Einstein São Paulo
Brazil Hospital Moriah São Paulo
Brazil Hospital Samaritano Paulista São Paulo
Brazil Hospital Santa Paula São Paulo
Brazil Hospital São Paulo São Paulo
Brazil Instituto Dante Pazzanese de Cardiologia São Paulo
Brazil Instituto de Assistência Médica ao Servidor Público Estadual de S. Paulo São Paulo
Brazil Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da USP-InCor-HCFMUSP São Paulo
Brazil Centro de Ensino e Aperfeiçoamento em Pesquisa - CEAP Serra Espirito Santo
Brazil Centro de Pesquisa Clínica do Hospital de Clínicas da Universidade Federal de Uberlândia Uberlândia Minas Gerais
Brazil Santa Casa de Misericórdia de Votuporanga Votuporanga São Paulo

Sponsors (8)

Lead Sponsor Collaborator
Brazilian Clinical Research Institute Beneficência Portuguesa de São Paulo, Brazilian Research In Intensive Care Network, Hospital Alemão Oswaldo Cruz, Hospital do Coracao, Hospital Israelita Albert Einstein, Hospital Moinhos de Vento, Hospital Sirio-Libanes

Country where clinical trial is conducted

Brazil, 

Outcome

Type Measure Description Time frame Safety issue
Primary Hierarchical composite endpoint composed of mortality, number of days alive, number of days in the hospital and number of days with oxygen therapy at the end of 30 days. The primary objective will be analyzed using the win ratio approach comparing every participant of treatment group to every participant of control group to determine a winner. In 30 days
Secondary Incidence of Venous thromboembolism In 30 days
Secondary Incidence of acute myocardial infarction In 30 days
Secondary Incidence of stroke In 30 days
Secondary Number of days using oxygen therapy In 30 days
Secondary Peak of troponin In 30 days
Secondary Peak of D-dimer In 30 days
Secondary Incidence of Major bleeding and clinically relevant non-major bleeding by the ISTH criteria It will be considered the main safety endpoint In 30 days
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