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Quick clotting test checked against lab gold standard in 20 bypass patients

NCT ID NCT00892905

Knowledge-focused Sponsor: McMaster University 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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at whether a quick bedside test (Hemochron Jr) gives the same results as standard lab tests for measuring blood clotting in people having planned heart bypass surgery. Twenty patients were tested before and after being placed on a heart-lung machine. The goal was to see if the faster bedside test could reliably replace the slower lab test.

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

20 people

The number who actually took part.

Start date

Jan 2008

Finished

Jan 2011

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

Adult patient undergoing elective on pump CABG

Ages

18 to 65 years

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: * did not receive anticoagulants or clopidogrel within 5 days preoperatively Exclusion Criteria: * history of coagulopathy * heparin resistance * receiving heparin or warfarin * hepatic or renal dysfunction * pregnancy * urgent or emergency cases

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Conditions

The condition(s) this trial relates to.

coronary artery disorder thrombotic disease

As listed by the trial registrant

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

Coronary artery bypass grafting

Contacts and locations

Locations

  • Hamilton General Hospital

    Hamilton, Ontario, L8L 2X2, Canada

More trials for these conditions

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