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New blood thinner argatroban tested in heart stent patients

NCT ID NCT00508924

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested three doses of argatroban, a blood thinner, in 140 patients undergoing elective heart stent procedures. It compared argatroban to the standard blood thinner heparin, both given with clopidogrel and aspirin. The goal was to see how well argatroban prevents blood clots and bleeding complications during and after the procedure.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Argatroban (a blood thinner) compared to heparin, both given with clopidogrel and aspirin
What this could lead to
If successful, argatroban could offer a safer or more effective blood-thinning option for patients undergoing heart stent procedures.
What could go wrong
This is an early phase 2 trial with only 140 participants, so results may not apply to all patients. Bleeding risks are a concern 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

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

140 people

The number who actually took part.

Start date

Aug 2005

Finished

Oct 2006

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 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: * Male or female (women of child bearing potential must have a negative pregnancy test prior to entry into the study) * Aged over 18 years * Diagnosis of stable coronary artery disease (CAD) or unstable angina (troponin negative, i.e. within the normal range for the study site) with low to moderate anatomic risk and a requirement for elective percutaneous coronary angioplasty or stent insertion with an approved device in one or more de novo-treated or re-stenotic lesions in native vessels * Signed written informed consent Exclusion Criteria: * Any condition which, in the investigator's opinion, contraindicates the use of argatroban, heparin or clopidogrel or endangers the patient if he/she participated in this study. * Known cirrhosis, hepatitis, clinically significant hepatic disorder, or history of hepatic disorder. Hepatic disorder is defined as having levels of liver function tests (bilirubin, Aspartate Aminotransferase (Serum Glutamate Oxaloacetate Transaminase)(AST (SGOT)), Alanine Aminotransferase (Serum Glutamate Pyruvate Transaminase)(ALT (SGPT)) greater than 3.0 times above the upper limit of the normal range of local laboratory. * Patients not currently taking aspirin * Renal insufficiency, defined as serum creatinine greater than 2.0 mg/dL (greater than 177mmol/L) * Platelets less than 125,000/ml * If already taking any form of heparin prior to study enrolment, Activated Partial Thromboplastin Time(aPTT) equal or greater than 35 sec or ACT greater than 160 sec * Use of low molecular heparin (LMWH) during 12 h prior to PCI * If taking oral anticoagulant medication prior to study enrolment, International Normalised Ratio(INR) greater than 1.2 * Q wave MI with cardiogenic shock or thrombolytic therapy within 72 h of study dosing * Use of Glycoprotein IIb / IIIa(GPIIb/IIIa) inhibitors within prior 3 weeks * Documented coagulation disorder or bleeding diathesis * Lumbar puncture within the past 2 weeks * History of previous cerebral aneurysm, haemorrhagic stroke, or thrombotic stroke within the past 6 months * Active, uncontrolled peptic ulcer disease or any gastrointestinal bleeding or genitourinary bleeding within 3 months prior to study enrolment * Major surgery, serious trauma, puncture of non-compressible vessel, or biopsy of parenchymal organ within prior 2 months * Planned staged procedure, planned rotational atherectomy, directional coronary atherectomy, brachytherapy, or thrombectomy catheters * Planned surgical intervention other than study procedure within next 7 days * Presence of greater than 50% stenosis of unprotected left main coronary artery * Severe peripheral vascular disease, precluding femoral access * History of vasculitis * Uncontrolled hypertension defined as greater than 180/120 mmHg * Pregnancy (exclusion by routine urine test) * Lactating woman * Woman of children bearing age who are or were not using accepted contraceptive methods * Participation in other clinical trials of investigational products within 3 months prior to study enrolment * Terminally ill patients with a life expectancy of \< 3 months

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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.

Contacts and locations

Locations

  • Study site

    Aalst, Belgium

  • Study site

    Bad Nauheim, Germany

  • Study site

    Cologne, Germany

  • Study site

    Dachau, Germany

  • Study site

    Düren, Germany

  • Study site

    Frankfurt, Germany

  • Study site

    Halle, Germany

  • Study site

    Mainz, Germany

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