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Clinical Trial Summary

The primary objective of this study is to investigate the pharmacokinetic and -dynamic properties of rivaroxaban after oral administration in cervical spinal cord injury (SCI) individuals.

The secondary objective of this study is to determine the steady-state rivaroxaban activity in cervical SCI individuals under long-term therapy.

Primary Objective In-house patients will be informed concerning the study and informed consent will be collected.

During the screening day, in- / exclusion criteria will be assessed and a blood samples will be taken for assessing haematology, clinical chemistry and coagulation parameters. Furthermore, the evaluation day will be scheduled.

On the evaluation day, in- / exclusion criteria will be re-assessed. A venous catheter will be introduced into a forearm or lower leg of each participant for the collection of blood at the specified time points. Skin inspection for subcutaneous bleeding will be performed and vital signs will be recorded. A blood sample will be taken for assessing haematology, clinical chemistry and coagulation parameters.

Single administration of oral rivaroxaban in the form of Xarelto® 10mg tablets (Bayer Schering Pharma, Berlin, Germany).

Rivaroxaban concentrations will be determined from plasma samples taken before, 30min after and 1, 2, 3, 4, 5, 6, 8, 12, 24 hours after rivaroxaban administration. Rivaroxaban activity will be determined from plasma samples taken before, 30min after and 1, 2, 3, 4, 5, 6, 8, 12, 24 hours after rivaroxaban administration using a factor Xa inhibition test and measuring prothrombin time (PT) and activated partial thromboplastin time (aPTT).

Skin inspection for subcutaneous bleeding and measurements of vital signs will be performed 30min and 1, 2, 3, 4, 5, 6, 8, 12 and 24 hours after rivaroxaban administration.

Secondary Objective Patients under long-term rivaroxaban therapy will be recruited during their annual check-up visit at the Swiss Paraplegic Centre. In- / exclusion criteria will be assessed, and the patients will be informed concerning the study and informed consent will be collected.

Blood samples will be taken for assessing haematology, clinical chemistry and coagulation parameters, and skin inspection for subcutaneous bleeding and measurements of vital signs will be performed.

A blood sample (4.3ml citrated venous blood) will be taken for assessing the primary and secondary outcome parameters.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT02970773
Study type Interventional
Source Swiss Paraplegic Centre Nottwil
Contact
Status Withdrawn
Phase Phase 4
Start date December 4, 2017
Completion date December 7, 2018

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