Pill vs. shot: which blood thinner better prevents deadly clots after emergency surgery?
NCT ID NCT07243080
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study compares two blood thinners—rivaroxaban (a pill) and enoxaparin (a shot)—to see which works better at preventing dangerous blood clots in the legs after emergency abdominal surgery. About 212 adults will take one of the two medicines daily for 7 days after surgery. Researchers will use ultrasound scans to check for clots and monitor for side effects like bleeding.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 212 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2025
- Expected to finish
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Nov 2025
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 to 80 years
- 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria:• Patients aged 18 to 80 years * Both male or female patients * Patients who have undergone emergent exploratory laparotomy for any reason whether traumatic or non-traumatic * Patients with expected immobility for more than 24 hours Exclusion Criteria: * Patients with diagnosed pre-operative DVT * BMI more than 40 * Patient who are on mechanical ventilation post operatively * Patient with postoperative Myocardial infarction, ischemic heart disease or cerebrovascular accident * Patients who have undergone limb surgery in addition to exploratory laparotomy
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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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Mayo Hospital Lahore
RECRUITINGLahore, Punjab Province, 54570, Pakistan
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