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Blood thinner users: how safe is a 24-Hour hospital stay after a mild head bump?

NCT ID NCT07195760

Knowledge-focused Sponsor: Bispebjerg Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at 600 adults who take blood thinners and have a mild head injury but a normal first brain scan. Researchers want to know how often a delayed brain bleed happens within 24 hours and up to 4 weeks after the injury. They also track risks like blood clots or confusion during a hospital stay. The goal is to find out if current guidelines to admit these patients for 24 hours are truly needed.

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.

Participants

About 600 people

The number the study aims to enrol. It can still change while the study runs.

Started

Feb 2023

Expected to finish

Jan 2027

An estimate. End dates often move.

Lead sponsor

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.

Who is studied

The identification of patients for screening will follow the Scandinavian guideline algorithm. The first and second group will be patients in whom the procedure code for computer tomography (CT) of the cerebrum has been recorded and who had a prescription of either a platelet inhibitor or an oral anticoagulant (OAC) on admission. The prescription is transferred from the shared medicines cart to the local system by the admitting physician, with the only exception being if the prescription is immediately suspended on admission, which should only be the case if the patient already stopped taking the medication. The third group will be all the patients in whom a s100b test was performed.

Ages

65 years and older

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Minimal (defined according to the Head Injury Severity Score (HISS (Stein and Spettell 1995)) as GCS 15 without any risk-factors) or Mild head trauma (defined according to the HISS as a GCS score of 14 or 15 with risk factors (e.g. OAC-treatment, GCS = 14, repeated vomiting, loss of consciousness, age ≥ 65 and antiplatelet medication)) * No bleeding on initial head CT description Exclusion Criteria: * Other reasons for observation despite normal CT, based on the Scandinavian guidelines for initial management of minimal, mild and moderate head injuries in adults: * GCS \< 14 * Post traumatic seizures * Focal neurological deficits * Clinical sign of depressed or basal skull fracture * Shunt-treated hydrocephalus

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Conditions

The condition(s) this trial relates to.

Craniocerebral Trauma delirium head injury thrombotic disease traumatic brain injury

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Delirium Head injury Head trauma Thrombosis

Contacts and locations

Locations

  • Bispebjerg and Frederiksberg Hospital

    Copenhagen NV, 2400, Denmark

More trials for these conditions

Other studies related to the condition(s) this trial covers.