Pill vs. needle: can Lower-Dose blood thinners protect blood cancer patients from deadly clots?
NCT ID NCT07270263
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares two types of blood thinners taken as pills (apixaban and rivaroxaban) against a standard daily injection (enoxaparin) to prevent dangerous blood clots in people with blood cancers like lymphoma, leukemia, and multiple myeloma. About 100 participants will be randomly assigned to one of the three treatments for at least six months. The goal is to see which option is safest and most effective at preventing clots while minimizing bleeding risks.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- apixaban, rivaroxaban, and enoxaparin (low-molecular-weight heparin)
- What this could lead to
- If successful, this could offer blood cancer patients a safer, more convenient pill option to prevent blood clots, reducing the need for daily injections.
- What could go wrong
- This is a small, early-phase study with only 100 participants, so results may not apply to all patients. There is a risk of bleeding with any blood thinner.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 100 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2024
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Active hematologic malignancy at the time of initiation of systemic therapy, including multiple myeloma, myeloproliferative neoplasm, lymphoma or other hematologic cancer with a Khorana score ≥ 2 points (intermediate or high risk of venous thromboembolism, VTE) * Use of anticoagulant agents for primary thromboprophylaxis, including direct oral anticoagulants (DOACs) at reduced doses (apixaban 2.5 mg twice daily or rivaroxaban 10 mg once daily) or low-molecular-weight heparin (LMWH) (enoxaparin 40 mg subcutaneously once daily). Exclusion Criteria: * Major bleeding within the last month (including gastrointestinal or intracranial bleeding). * Active major bleeding. * Hemoglobin concentration \< 8 g/dL. * Thrombocytopenia with platelet count \<30 × 10⁹/L. * ECOG performance status of 3 or 4. * Expected survival \<6 months. * History of mechanical heart valve or severe mitral stenosis. * Estimated glomerular filtration rate (eGFR) \< 25 mL/min. * Hepatic impairment (ALT ≥ 3× upper limit of normal or bilirubin ≥ 2× upper limit of normal). * Acute coronary syndrome or ischemic stroke within the last 6 months. * Anticipated significant drug-drug interactions between DOACs and anticancer agents. * Known antiphospholipid syndrome (APS).
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Department of Haematology & Transplantology
RECRUITINGGdansk, Pomeranian Voivodeship, 80-152, Poland
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