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OpenTrials
Completed

NCT Number: NCT02259881

Effect of BIBT 986 Followed by BIBT 986 Given as IV Infusion on Tissue Factor Triggered Coagulation in Healthy Male Volunteers

To compare with placebo the anticoagulant activity of three dosages of BIBT 986 on parameters of coagulation, platelet activation and inflammation in a model of tissue factor triggered activation of the coagulation system; to examine the safety of BIBT 986 in this setting

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Key information

Conditions

Age range

18 year–40 year

Sex eligibility

Male

Study type

Interventional

Phase

Phase 1

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Healthy male subjects as determined by the screening procedure
  • Signed written informed consent form in accordance with good clinical practice (GCP) and local legislation was available
  • Age ≥ 18 and ≤ 40 years
  • Body mass index: BMI ≥ 18 and ≤ 29.9 kg/m2
  • Normal findings in medical history and physical examination unless the investigator considered an abnormality to be clinically irrelevant
  • Normal laboratory parameters unless the investigator considered an abnormality to be clinically irrelevant

Exclusion criteria

  • Any finding in the medical examination (including blood pressure, pulse rate, ECG, and laboratory parameters) deviating from normal and of clinical relevance
  • History of or current gastrointestinal, hepatic, renal, respiratory, cardiovascular, metabolic, immunologic, autoimmune, hormonal disorders, diseases of the central nervous system (such as epilepsy), or psychiatric disorders
  • Symptoms of a clinically relevant illness in the 3 weeks before the first trial day
  • History of orthostatic hypotension, fainting spells, and blackouts
  • Chronic or relevant acute infections
  • History of allergy / hypersensitivity (including drug allergy) which was deemed relevant to the trial as judged by the investigator
  • History of
  • any bleeding disorder including prolonged or habitual bleeding
  • any familial bleeding disorder
  • other haematological disease
  • cerebral bleeding (e.g. after a car accident)
  • commotio cerebri
  • Hereditary deficiency of protein C or S, or a mutation of factor V (Leiden), or any other known abnormality affecting coagulation, fibrinolysis, or platelet function
  • Platelet count < 150000/μL
  • Any ECG value outside of the reference range of clinical relevance (QRS interval > 110 ms or QTcB (QT interval Bazett correction) > 450 ms will be an obligatory exclusion criterion)
  • Intake of drugs with a long half-life (> 24 hours) within 1 month prior to administration
  • Use of any drugs that might influence the results of the trial within 10 days prior to administration or during the trial
  • Participation in another trial with an investigational drug within 2 months prior to administration or during trial
  • Participation in an LPS trial within the last six weeks
  • Smoker (> 10 cigarettes or 3 cigars or 3 pipes/day) or inability to refrain from smoking on study days
  • Concurrent or history of drug, alcohol, tobacco or coffee / tea / cola abuse
  • Blood donation within 1 month prior to administration or during the trial
  • Excessive physical activities within 5 days prior to administration or during the trial
  • Seropositivity for hepatitis B surface antigen (HBs-Ag), hepatitis C virus (HCV), HIV 1, or HIV 2 antibodies
  • Weight over 95 kg

Treatment and study plan

Low dose of BIBT 986 CL, per i.v. infusion

Drug

Medium dose of BIBT 986 CL, per i.v. infusion

Drug

High dose of BIBT 986 CL, per i.v. infusion

Drug

Placebo

Drug

Lipopolysaccharide (LPS), single i.v. bolus

Drug

Endotoxin derived from E. coli bacteria, used for activation of coagulation

Primary outcomes

  1. Change in activated partial thromboplastin time (aPTT)

    Time frame: up to 48 hours after start of treatment

  2. Change in international normalized ratio (INR)

    Time frame: up to 48 hours after start of treatment

  3. Change in thrombin time (TT)

    Time frame: up to 48 hours after start of treatment

  4. Change in ecarin clotting time (ECT)

    Time frame: up to 48 hours after start of treatment

  5. Change in prothrombin fragment (F1+2)

    Time frame: up to 48 hours after start of treatment

  6. Change in D-dimer

    Time frame: up to 48 hours after start of treatment

  7. Change in thrombin anti-thrombin complexes (TAT)

    Time frame: up to 48 hours after start of treatment

  8. Change in protein C activity

    Time frame: up to 48 hours after start of treatment

  9. Change in antithrombin

    Time frame: up to 48 hours after start of treatment

  10. Change in thrombomodulin

    Time frame: up to 48 hours after start of treatment

  11. Change in tissue factor messenger RNA (mRNA)

    Time frame: up to 48 hours after start of treatment

  12. Change in platelet count

    Time frame: up to 48 hours after start of treatment

  13. Change in plasmin antiplasmin complexes (PAP)

    Time frame: Pre-dose, up to day 14 after start of treatment

  14. Change in soluble P-selectin

    Time frame: up to 48 hours after start of treatment

  15. Change in tumor necrosis factor alpha (TNF alpha)

    Time frame: up to 48 hours after start of treatment

  16. Change in interleukin-6 (IL-6)

    Time frame: up to 48 hours after start of treatment

  17. Change in primary haemostasis measured by closure times

    Time frame: up to 48 hours after start of treatment

  18. Number of subjects with clinically relevant changes in vital signs

    Time frame: up to 14 days after start of treatment

    blood pressure, pulse rate, body temperature

  19. Number of subjects with clinically relevant changes in laboratory parameters

    Time frame: up to 14 days after start of treatment

  20. Number of subjects with adverse events

    Time frame: up to 14 days after start of treatment

  21. Number of subjects with clinically relevant changes in ECG

    Time frame: up to 14 days after start of treatment

  22. Change in thrombus precursor protein

    Time frame: up to 48 hours after start of treatment

  23. Change in soluble E-selectin

    Time frame: up to 48 hours after start of treatment

Secondary outcomes

  1. Area under the plasma concentration-time curve (AUC)

    Time frame: up to 48 hours after start of treatment

  2. Maximum concentration in plasma at the end of the infusion (Cgh)

    Time frame: up to 48 hours after start of treatment

  3. Apparent terminal half-life of BIBT 986 in plasma (t1/2)

    Time frame: up to 48 hours after start of treatment

  4. Mean residence time of BIBT 986 in the body after intravenous bolus administration (MRT)

    Time frame: up to 48 hours after start of treatment

  5. Volume of distribution of BIBT 986 in plasma at steady state (Vss)

    Time frame: up to 48 hours after start of treatment

  6. Apparent volume of distribution of BIBT 986 during the terminal phase after intravenous infusion (Vz)

    Time frame: up to 48 hours after start of treatment

Sponsors and collaborators

Lead sponsor

Boehringer Ingelheim

Industry

Registry information

Official study title

Investigation of the Effect of 0.9, 2.25 or 4.5 mg of BIBT 986 Over 1 Hour, Followed by 0.2, 0.5 or 1.0 mg/Hour of BIBT 986 for 7 Hours Given as IV Infusion on Tissue Factor Triggered Coagulation in a Randomised, Placebo Controlled, Dose Escalation Design in Healthy Male Volunteers

Important dates

Study start
2002
Primary completion
2003
First posted
Oct 9, 2014
Registry last updated
Oct 9, 2014

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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