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Anticoagulants and Thrombotic DisordersEPRAPACNCT05819736

Pharmacokinetics Study Of Rivaroxaban and Apixaban in Cancer Patients

An observational study of Anticoagulants and Thrombotic Disorders, run by Groupe Hospitalier Pitie-Salpetriere at 1 site in France.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Direct oral anticoagulants (DOACs) are now recommended as a first-line option in cancer patients with venous thromboembolism or atrial fibrillation. However, current international clinical practice guidelines and product inserts suggest caution and/or avoidance in using DOACs in case of potential potential drug-drug… Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Anticoagulants and Thrombotic Disorders
What is being tested?
Monitoring
How many people
193 participants
Where
1 siteFrance
Study dates
1 Dec 2022to 18 May 2026
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: Cancer patients with atrial fibrillation or venous thromboembolism receiving rivaroxaban or apixaban in a real-life clinical setting

Who may be able to join

  • Male or female subjects with age ≥ 18 years
  • Cancer (other than basal-cell or squamous-cell carcinoma of the skin), either active or diagnosed within 6 months prior to inclusion
  • Confirmed symptomatic or venous thromboembolism or confirmed atrial fibrillation
  • Patients affiliated with a health insurance system
  • Able to provide written informed consent.

Who cannot join

  • Age <18 years
  • Pregnancy or breastfeeding
  • Patients not affiliated with a health insurance system
  • Patient subject to a measure of protection
  • Legally protected adults
  • Life expectancy < 3 months

Trial locations and contacts

1 site in 1 country.

France1 site
  • Centre d'Investigation Clinique Hôpital Pitié-Salpêtrière

    Paris, 75013

Other trials in France

About this study

Direct oral anticoagulants (DOACs) are now recommended as a first-line option in cancer patients with venous thromboembolism or atrial fibrillation. However, current international clinical practice guidelines and product inserts suggest caution and/or avoidance in using DOACs in case of potential potential drug-drug interactions (DDI), including DDI with anticancer therapies. Indeed, potential important DDIs can affect the efficacy and safety of DOACs and/or anticancer therapies and/or other interfering medications in these patients. Data about the pharmacokinetics (PK) of DOACs in cancer patients are scarce. By using a PK approach, this study aims :

  • to describe the PK profile of rivaroxaban and apixaban in adult cancer patients with venous thromboembolism or atrial fibrillation from a real-world setting
  • to identify factors (age, weight, renal function, co-morbidities, etc) influencing the PK profile of rivaroxaban and apixaban in adult cancer with venous thromboembolism or atrial fibrillation from a real-world setting.
Read the detailed description

Direct oral anticoagulants (DOACs) are now recommended as a first-line option in cancer patients with venous thromboembolism or atrial fibrillation. However, current international clinical practice guidelines and product inserts suggest caution and/or avoidance in using DOACs in case of potential potential drug-drug interactions (DDI), including DDI with anticancer therapies. Indeed, potential important DDIs can affect the efficacy and safety of DOACs and/or anticancer therapies and/or other interfering medications in these patients. Data about the pharmacokinetics (PK) of DOACs in cancer patients are scarce. By using a PK approach, this study aims :

  • to describe the PK profile of rivaroxaban and apixaban in adult cancer patients with venous thromboembolism or atrial fibrillation from a real-world setting
  • to identify factors (age, weight, renal function, co-morbidities, etc) influencing the PK profile of rivaroxaban and apixaban in adult cancer with venous thromboembolism or atrial fibrillation from a real-world setting
Being tested
Monitoring

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • MonitoringOther

    Monitoring

Study groups in NCT05819736
Study groupRoleWhat they receive
RivaroxabanCancer patients treated with rivaroxaban
Receives: Other: Monitoring
ApixabanCancer patients treated with apixaban
Receives: Other: Monitoring

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Population pharmacokinetic evaluation

    Estimated area under the curve (AUC) of each of the 2 drugs studied

    Measured: 3 years

Secondary outcomes (1)
  1. Safety evaluation

    Any thromboembolic event or major bleeding

    Measured: 3 years

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted19 Apr 2023
  2. Study start1 Dec 2022
  3. Primary completion18 May 2026
  4. Study completion18 May 2026

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
193 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05819736
Sponsor's protocol ID
2022-10-15
Acronym
EPRAPAC
Status last verified
Jun 2026
First submitted
6 Apr 2023
Last updated
2 Jun 2026
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided

Questions about this trial

What is this clinical trial studying?

An observational study of Anticoagulants and Thrombotic Disorders, run by Groupe Hospitalier Pitie-Salpetriere at 1 site in France.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 2 Jun 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in France. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Population pharmacokinetic evaluation (time frame: 3 years). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 2 Jun 2026.

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