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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02066662
Other study ID # 12-001
Secondary ID
Status Completed
Phase Phase 4
First received
Last updated
Start date July 2013
Est. completion date March 2020

Study information

Verified date October 2020
Source RWTH Aachen University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The following trial hypothesis will be proved: In patients with atrial fibrillation and/ or pulmonary embolism standard anticoagulant treatment with coumadin/phenprocoumon is associated with accelerated coronary or valvular calcification as assessed by cardiac computed tomography compared to the new anticoagulant therapy with rivaroxaban.


Description:

A multi center, prospective, controlled, open, randomized, interventional clinical trial blinded concerning outcome measurements with a two- arm parallel group design will be performed to investigate the association of rivaroxaban compared to coumadin/phenprocoumon treatment for OAT in patients with atrial fibrillation and / or pulmonary embolism regarding the development and progression of coronary artery calcification (CAC) and aortic valve calcification (AVC) as assessed by multi-slice spiral computed tomography scanning (MSCT) within one year follow-up. In total 190 patients (95 patients per treatment arm) with atrial fibrillation and/ or pulmonary embolism with the indication for oral anticoagulation therapy will be enrolled. After screening first cardiac CT scan will be performed in order to validate if calcium score is >50 which is an inclusion criteria. If the patient matches all other inclusion/exclusion criteria the remaining imaging procedures (Echocardiography, Intima Media Thickness of carotid artery (IMT) and Flow Mediated Vasodilatation (FMD), Electrocardiography (ECG) and blood pressure are executed. Pregnancy strip test will be executed and also serum chemistry, hematology, coagulation and batch analysis will be performed. Patients will then be randomized to one of the two arms (Rivaroxaban or Marcumar) and will undergo the same examinations and measurements as described above at 1 week, 1, 6, 9 and 12 month Follow- Up (FU). In case of a positive result in respect to the primary endpoint a FU after 2 years will be performed. Primary outcome measures will be assessed after all active patients will have completed 12-months study visit (interim analysis)


Recruitment information / eligibility

Status Completed
Enrollment 192
Est. completion date March 2020
Est. primary completion date March 2020
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: 1. Male or female patient aged > 18 years 2. Need for long-term OAT according to current international guidelines for the treatment of atrial fibrillation (ACC/(American Heart Association [AHA]/ European Society of Cardiology [ESC]guidelines) and / or pulmonary embolism (ACCP/ESC guidelines). 3. Existent Coronary or Valvular Calcification, or both and an Agatston Score > 50 in at least one location as assessed by MSCT at Screening 4. The anticipated minimum life expectancy is18 months Exclusion Criteria: 1. Patient has any clinical condition which does not allow initiation of long-term OAT including all contraindications such as hypersensitivity to active ingredient or other excipients, clinically relevant acute bleedings and all other risk circumstances according to Summary of Medicinal Product (SmPC) in which all warnings and preventive measures and precautions are described and have to be kept. 2. Hypersensitivity to active substances investigated or to any of the excipients 3. Patients had a previous coronary stent implantation in a way which makes coronary artery calcification scoring impossible or unreliable and no Valvular Calcification with Agatston Score > 50 4. Chronic kidney disease (CKD) Stage V (GFR <15 mL) 5. Liver disease with coagulopathy or other bleeding disorders including cirrhotic patients with Child Pugh B and C 6. Acute gastrointestinal diseases 7. Clinically significant active bleeding 8. Alcohol, opioids or drug abuse 9. Mental condition rendering the patient unable to understand the nature, scope and possible consequences of the study 10. Patient is unwilling or unable to give informed consent 11. Patient is unlikely to comply with protocol, e.g. uncooperative attitude, inability to return for follow-up visits, and unlikelihood of completing the study 12. Participation in a parallel interventional clinical trial 13. Patient has been committed to an institution by legal or regulatory order 14. Pregnant or lactating women 15. Female patient capable of bearing children without highly effective methods of birth control 16. Patient receives concomitant treatment with strong concurrent Cytochrome P 450 3A4 (CYP3A4)- and P- glycoprotein (P-gp)- inhibitors, i.e. azole-antimycotics (ketoconazole, itraconazole) or human immunodeficiency virus (HIV) protease inhibitors 17. Neuraxial Anaesthesia or spinal/epidural puncture 18. Known Endocarditis 19. Known Lactose intolerance

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Rivaroxaban or Marcumar
Arm A: Rivaroxaban (tablet) for patients with atrial fibrillation: with 20 mg once daily for patients with eGFR > 49 ml per minute and 15 mg rivaroxaban once daily for patients with eGFR of 15 to 49 ml. Rivaroxaban (tablet) for patients with pulmonary embolism : 2x a day 15 mg at day 1-21 and 1x 20 mg from day 22 ongoing; Arm B: Adjusted dose coumadin/phenprocoumon (tablet) titrated according to target international normalized ratio (INR) with a target range 2.0 to 3.0.

Locations

Country Name City State
Germany University Hospital Aachen, Department of Cardiology Aachen North Rhine Westphalia
Germany Hospital Coburg, Med. Clinic II for Internal Medicine and Cardiology Coburg Bavaria
Germany St.-Antonius-Hospital Eschweiler, Internal Medicine Eschweiler North Rhine Westphalia

Sponsors (2)

Lead Sponsor Collaborator
RWTH Aachen University Bayer

Country where clinical trial is conducted

Germany, 

Outcome

Type Measure Description Time frame Safety issue
Other Occurrence of major cardiovascular complications (MACE) 1 week, 1, 6, 9, 12 and 24 month FU
Other Non- major bleedings 1week, 1, 6, 9, 12 and 24 month FU
Other Major bleedings 1 week, 6, 9, 12 and 24 month FU
Primary Progression of coronary and aortic valve calcification (Agatston, volume & mass score as assessed by cardiac CT) To investigate the association of rivaroxaban compared to coumadin/phenprocoumon treatment for OAT in patients with atrial fibrillation and / or pulmonary embolism regarding the development and progression of coronary artery calcification (CAC) and aortic valve calcification (AVC) as assessed by multi-slice spiral computed. tomography scanning (MSCT) within one year follow-up Cardiac Computertomography (CT) will be performed at screening, after 12 months and at 24 months
Secondary Serum chemistry including Matrix Gla Protein (MPG) level changes and Fetuin-A (baseline/ follow up) baseline and 12 month Follow Up
Secondary Changes in intima-media thickness of carotid artery (IMT) and flow-mediated vasodilation of brachial artery (FMD) Baseline, 6, 12 and 24 month FU
Secondary Progression of aortic calcification (aortic Agatston Score) screening and 12 month FU
Secondary Changes in ventricular diastolic function parameters as determined by echocardiography (strain/strain-rate imaging) baseline, 6, 9, 12 and 24 month FU