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

2014年10月7日 更新者:Boehringer Ingelheim

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

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

調査の概要

研究の種類

介入

入学 (実際)

64

段階

  • フェーズ 1

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

18年~40年 (大人)

健康ボランティアの受け入れ

はい

受講資格のある性別

男

説明

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

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

研究はどのように設計されていますか?

デザインの詳細

  • 主な目的:処理
  • 割り当て:ランダム化
  • 介入モデル:並列代入
  • マスキング:ダブル

武器と介入

参加者グループ / アーム
介入・治療
プラセボコンパレーター:プラセボ
Endotoxin derived from E. coli bacteria, used for activation of coagulation
実験的:Low dose of BIBT 986 CL
Endotoxin derived from E. coli bacteria, used for activation of coagulation
実験的:Medium dose of BIBT 986 CL
Endotoxin derived from E. coli bacteria, used for activation of coagulation
実験的:High dose of BIBT 986 CL
Endotoxin derived from E. coli bacteria, used for activation of coagulation

この研究は何を測定していますか?

主要な結果の測定

結果測定
メジャーの説明
時間枠
Change in activated partial thromboplastin time (aPTT)
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Change in international normalized ratio (INR)
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Change in thrombin time (TT)
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Change in ecarin clotting time (ECT)
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Change in prothrombin fragment (F1+2)
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Change in D-dimer
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Change in thrombin anti-thrombin complexes (TAT)
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Change in protein C activity
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Change in antithrombin
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Change in thrombomodulin
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Change in tissue factor messenger RNA (mRNA)
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Change in platelet count
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Change in plasmin antiplasmin complexes (PAP)
時間枠:Pre-dose, up to day 14 after start of treatment
Pre-dose, up to day 14 after start of treatment
Change in soluble P-selectin
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Change in tumor necrosis factor alpha (TNF alpha)
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Change in interleukin-6 (IL-6)
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Change in primary haemostasis measured by closure times
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Number of subjects with clinically relevant changes in vital signs
時間枠:up to 14 days after start of treatment
blood pressure, pulse rate, body temperature
up to 14 days after start of treatment
Number of subjects with clinically relevant changes in laboratory parameters
時間枠:up to 14 days after start of treatment
up to 14 days after start of treatment
Number of subjects with adverse events
時間枠:up to 14 days after start of treatment
up to 14 days after start of treatment
Number of subjects with clinically relevant changes in ECG
時間枠:up to 14 days after start of treatment
up to 14 days after start of treatment
Change in thrombus precursor protein
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Change in soluble E-selectin
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment

二次結果の測定

結果測定
時間枠
Area under the plasma concentration-time curve (AUC)
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Maximum concentration in plasma at the end of the infusion (Cgh)
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Apparent terminal half-life of BIBT 986 in plasma (t1/2)
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Mean residence time of BIBT 986 in the body after intravenous bolus administration (MRT)
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Volume of distribution of BIBT 986 in plasma at steady state (Vss)
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment
Apparent volume of distribution of BIBT 986 during the terminal phase after intravenous infusion (Vz)
時間枠:up to 48 hours after start of treatment
up to 48 hours after start of treatment

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

スポンサー

出版物と役立つリンク

研究に関する情報を入力する責任者は、自発的にこれらの出版物を提供します。これらは、研究に関連するあらゆるものに関するものである可能性があります。

便利なリンク

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始

2002年12月1日

一次修了 (実際)

2003年5月1日

試験登録日

最初に提出

2014年10月7日

QC基準を満たした最初の提出物

2014年10月7日

最初の投稿 (見積もり)

2014年10月9日

学習記録の更新

投稿された最後の更新 (見積もり)

2014年10月9日

QC基準を満たした最後の更新が送信されました

2014年10月7日

最終確認日

2014年10月1日

詳しくは

本研究に関する用語

その他の研究ID番号

  • 1192.11

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