E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Mild COVID-19 in people who are at high risk for moderate or severe disease due to age, body mass index (BMI) and comorbidities, many of which are also thrombotic risks.
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E.1.1.1 | Medical condition in easily understood language |
Persons with COVID-19 with a risk of blood clots |
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E.1.1.2 | Therapeutic area | Diseases [C] - Virus Diseases [C02] |
MedDRA Classification |
E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
The primary objective is to characterise the safety and efficacy of rivaroxaban in reducing disease progression. |
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E.2.2 | Secondary objectives of the trial |
Secondary: To assess clinical efficacy of study intervention
Exploratory objectives: To assess virological efficacy; To assess viral sequence
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
INCLUSION CRITERIA
Age
1. ≥18 years of age at the time of informed consent
Type of Participant
2. Participants must be at high-risk for COVID-19 progression by fulfilling at least one of the following criteria at screening:
- Age ≥65 years
- Presence of chronic pulmonary disease, chronic obstructive pulmonary disease (COPD), pulmonary hypertension
- Diabetes mellitus (type 1 or type 2), requiring oral medication or insulin for treatment
- Hypertension, requiring at least one oral medication for treatment
- Immunocompromised status due to disease (e.g., those living with human immunodeficiency virus with a CD4 T-cell count of <200/mm3)
- Immunocompromised status due to medication (e.g., taking 20 mg or more of prednisone equivalents a day, anti-inflammatory monoclonal antibody therapies, cancer therapies)
- Any chronic disease that is associated with high risk for severe COVID disease in the opinion of the site investigator
- Body mass index ≥35 kg/m2 (based on self-reported weight and height).
COVID-19 Characteristics
3. Documented positive SARS-CoV-2 diagnostic testing with a sample collected ≤10 days of screening.
4. Symptomatic for COVID-19 for ≤7 days at time of randomization (symptomatic is defined as having at least one of the following symptoms of COVID-19 that is of new onset or has worsened from baseline: fever, chills, myalgia, arthralgia, headache, fatigue, cough, sore throat, nasal congestion,
nausea, vomiting, or diarrhoea).
Informed Consent
5. Capable of giving informed consent, which includes compliance with the requirements and restrictions listed in the
ICF and in this protocol
6. Sex: Male or female Other
Requirements:
7. Agree to participate in all remote, in-person or home visits as required in the protocol and provide updated contact information as necessary.
8. Female of childbearing potential must agree to practice adequate contraception during the study.
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E.4 | Principal exclusion criteria |
1. Currently hospitalized or under immediate consideration for hospitalization at screening and Day 1
2. Have new onset shortness of breath or increased shortness of breath from pre-COVID-19 (for people with known COPD) at screening and Day 1
3. Hypoxemia (oxygen saturation <94% in ambient air or oxygen saturation below pre-COVID-19 oxygen saturation [if known] for people with known COPD) at Day 1
4. Require supplemental oxygen (new requirement or increase in requirement from pre-COVID-19 condition) at screening and Day 1
5. Have a history of (in the past 3 months) or current active pathological bleeding
6. Have a history of haemorrhagic stroke or intracranial haemorrhage
7. Have a recent severe head trauma within 30 days which includes concussion, skull fracture or hospitalization for head injury
8. Have known intracranial neoplasm, cerebral metastases, arteriovenous malformation or aneurysm
9. Have history of pregnancy-related haemorrhage
10. Have active gastroduodenal ulcer or other gastrointestinal bleeding diagnosed in the past 3 months
11. Currently are in a hemodynamically unstable state
12. Currently require thrombolysis or pulmonary embolectomy
13. Have history of severe hypersensitivity reaction to Xarelto®
14. Currently have a prosthetic heart valve
15. Have known diagnosis of triple positive antiphospholipid syndrome
16. Have known diagnosis of chronic kidney disease (stage IV or receiving dialysis)
17. Have a history of thrombocytopenia or known platelet count < 100,000 cells/mm3
18. Have a history of bronchiectasis and pulmonary cavitation
19. Have active cancer (e.g., receiving chemotherapy or treatment for complication of the active cancer)
Other:
20. Had epidural or neuraxial anesthesia or spinal puncture in the past 2 weeks or plan to undergo these procedures during the study
21. Had surgery in the past 4 weeks or plan to undergo surgery during the study
22. Currently is pregnant or plans to become pregnant
23. Currently is breastfeeding
24. Share household with an enrolled participant in this study
25. Co-enrollment in any clinical trial that includes prohibited procedures (spinal puncture or surgery) or that includes treatments within the same drug class as rivaroxaban or treatments for which co-administration with rivaroxaban are prohibited Medications
26. Currently using and plan to use the following medications during the study
- Rivaroxaban or drugs in the same class
- Dual anti-platelets therapy
- Other anticoagulants
- Combined P-gp and CYP3A inhibitors and inducers. |
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E.5 End points |
E.5.1 | Primary end point(s) |
The primary efficacy endpoint is the proportion of participants who progress to moderate or severe disease category or higher (Gates MRI ordinal scale ≥3) through Day 28.
Primary safety endpoints include the frequency of Grade 3 and Grade 4 AEs, AEs resulting in study intervention discontinuation and SAEs. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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E.5.2 | Secondary end point(s) |
Secondary efficacy endpoints include time to disease resolution, defined as symptoms resolution with or without viral clearance, proportion of participants with disease resolution, Gates MRI and WHO ordinal scales, and incidence and duration of hospitalization. |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | Yes |
E.8.1.7.1 | Other trial design description |
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E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | Yes |
E.8.2.3.1 | Comparator description |
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E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 3 |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
United Kingdom |
United States |
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E.8.7 | Trial has a data monitoring committee | Yes |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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A participant is considered to have completed the study after completion of the last scheduled procedure shown in the Schedule of Activities.
This study will be considered completed when all participants have completed the study.
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 0 |
E.8.9.1 | In the Member State concerned months | 8 |
E.8.9.1 | In the Member State concerned days | 29 |
E.8.9.2 | In all countries concerned by the trial years | 1 |
E.8.9.2 | In all countries concerned by the trial months | 1 |
E.8.9.2 | In all countries concerned by the trial days | 17 |