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Glomerular Filtration Rate-Estimating Equations During Use of Direct Oral Anticoagulants in Elderly Patients (REINACO)

University Hospital Center (CHU) logo

University Hospital Center (CHU)

Status

Terminated

Conditions

Chronic Kidney Disease
Atrial Fibrillation
Elderly Patients

Treatments

Other: Blood sample

Study type

Observational

Funder types

Other

Identifiers

NCT02964546
2015-A00453-46 (Other Identifier)
9539

Details and patient eligibility

About

Atrial fibrillation in the elderly is a complex condition due to the high number of frequently associated comorbidities such kidney disease. Direct oral anticoagulants (dabigatran, rivaroxaban and apixaban) are indicated for preventing thromboembolic events but renal function should be closely monitored for this age group when these drugs are used. Dosing recommendations for prevention of stroke are based on renal clearance of creatinine (ClCr) estimated using the Cockcroft-Gault formula. It is well known that ClCr estimates predict a steeper decline with advancing age than Glomerular Filtration Rate (GFR) estimates. This raises the possibility that substitution of commonly reported GFR for estimated CrCl could result in different plasmatic concentrations of oral direct anticoagulants. The aim of this study was to compare estimates of ClCr and GFR and determine the impact on the plasmatic concentration of these drugs in elderly patients with non-valvular atrial fibrillation.

Enrollment

116 patients

Sex

All

Ages

65 to 99 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Patients with non-valvular atrial fibrillation -treated with dabigatran, rivaroxaban or apixaban - patients affiliated to national social health system -patients who agreed to ethical concerns of the study

Exclusion criteria

Patients with consultation or hospitalization that made impossible a veinous punction at the steady state residual concentration time -Patients under guardianship or trusteeship

Trial design

116 participants in 1 patient group

Blood sample
Treatment:
Other: Blood sample

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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