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Study to Investigate the Pharmacokinetics and Safety of Cadazolid in Patients With Clostridium Difficile Infection

2014年1月31日 更新者：Actelion

A Phase 1, Open-label, Single Oral Dose Study to Investigate the Pharmacokinetics, Safety, and Tolerability of Cadazolid in Patients With Severe Clostridium Difficile Infection (CDI)

The study investigated the pharmacokinetics, safety, and tolerability of cadazolid in subjects with severe Clostridium difficile diarrhea (CDAD) and whether this influenced the quantity of cadazolid absorbed into the systemic circulation.

調査の概要

状態

完了

条件

介入・治療

研究の種類

介入

入学 (実際)

6

段階

  • フェーズ 1

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究場所

  • クロアチア
      • Zagreb、クロアチア、1000
        • Clinical Hospital for Infective Disease

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～80年 (大人、高齢者)

健康ボランティアの受け入れ

いいえ

受講資格のある性別

全て

説明

Inclusion Criteria:

  • Signed informed consent prior to any study-mandated procedure.
  • Non-pregnant females were to remain non-pregnant for 1 month after the end of the study. Female subjects of child-bearing potential must have had a negative serum pregnancy test at screening and must have used a reliable method of contraception
  • Subjects with severe CDAD; Clostridium difficile infection (CDI) must have been microbiologically proven, using a validated enzyme-linked immunosorbent assay (ELISA) for the detection of C. difficile toxin A (TcdA) and/or C. difficile toxin B (TcdB). The severity of CDAD was assessed according to the current European Union guidelines - European Society of Clinical Microbiology and Infectious Diseases (ESCMID).
  • Received oral vancomycin or oral/intravenous (i.v.) metronidazole therapy for the treatment of CDAD.
  • Ability to communicate well with the investigator in the local language, and to understand and comply with the requirements of the study.

Exclusion Criteria:

  • Known hypersensitivity to any excipients of the drug formulation.
  • Clinical evidence of any relevant disease other than CDAD and/or existence of any surgical or medical condition that might interfere with the absorption, distribution, metabolism or excretion of the study drug.
  • Veins unsuitable for i.v. puncture on either arm (e.g., veins that are difficult to locate, access, or puncture; veins with a tendency to rupture during or after puncture).
  • Subjects with rare hereditary fructose intolerance, glucose-galactose malabsorption, saccharase-isomaltase deficiency or previously undiagnosed diabetes mellitus.
  • Subjects who have a life-threatening condition, which may be related to CDAD or other underlying illness.
  • Any clinically relevant electrocardiogram (ECG) abnormality at screening.
  • Subjects who were unable to swallow or have difficulty swallowing.
  • Subjects with vomiting, ileus or not passing stool.
  • Likelihood of death within 72 hours from any cause.
  • Life-threatening or fulminant CDAD (White blood cell count > 30 × 10^9/L; temperature > 40 °C; or septic shock, peritoneal signs or significant dehydration).
  • History of ulcerative colitis or Crohn's disease.
  • Loss of 250 mL or more of blood within 3 months prior to screening.
  • Positive results from the hepatitis serology, except for vaccinated subjects, at screening.
  • Positive results from the human immunodeficiency virus (HIV) serology at screening.
  • Legal incapacity or limited legal capacity at screening.
  • Any circumstances or conditions, which, in the opinion of the investigator, may affect full participation in the study or compliance with the protocol.

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

  • 割り当て：なし
  • 介入モデル：単一グループの割り当て
  • マスキング：なし（オープンラベル）

武器と介入

参加者グループ / アーム
介入・治療
実験的：Cadazolid
Single oral dose of 3000 mg.
薬：Cadazolid
Cadazolid was provided as dry powder for oral suspension (Amber glass bottles of 60 mL). The powder was reconstituted with tap water by a pharmacist immediately prior to dispensing to subjects.
他の名前：
  • ACT-179811

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
Maximum plasma concentration (Cmax) of cadazolid
時間枠：144 hours
Blood samples for pharmacokinetic analysis taken immediately prior to dosing with cadazolid, and at 0.5, 1, 2, 4, 6, 8, 12, 24, 36, 48, 72, 96, 120, and 144 hours after dosing. Cmax was calculated on the basis of the blood sampling time points.
144 hours
Time to reach maximum plasma concentration (tmax) of cadazolid
時間枠：144 hours
Blood samples for pharmacokinetic analysis taken immediately prior to dosing with cadazolid, and at 0.5, 1, 2, 4, 6, 8, 12, 24, 36, 48, 72, 96, 120, and 144 hours after dosing. tmax was calculated on the basis of the blood sampling time points.
144 hours
Area under the plasma concentration-time curve (AUC(0-144h)) of cadazolid
時間枠：144 hours
Blood samples for pharmacokinetic analysis taken immediately prior to dosing with cadazolid, and at 0.5, 1, 2, 4, 6, 8, 12, 24, 36, 48, 72, 96, 120, and 144 hours after dosing. AUC(0-144) was calculated according to the linear trapezoidal rule using the measured concentration-time values above the limit of quantification.
144 hours
Unchanged cadazolid in urine up to Day 7
時間枠：144 hours
Urine was collected into standard-weight polyethylene containers over the following time intervals: 0-12 h, 12-24 h, 24-36 h, 36-48 h, 48-72 h, 72-96 h, 96-120 h, and 120-144 h. The concentration of cadazolid was determined using validated liquid chromatography-tandem mass spectrometry assays. The amount of drug excreted in the urine was obtained by multiplying the concentration of drug by the volume of matrix collected.
144 hours
Unchanged cadazolid in faeces up to Day 7
時間枠：144 hours
Faeces were collected in pre-weighed polypropylene boxes. The concentration of cadazolid was determined using validated liquid chromatography-tandem mass spectrometry assays. The amount of drug excreted in the faeces was obtained by multiplying the concentration of drug by the volume of matrix collected.
144 hours

二次結果の測定

結果測定
メジャーの説明
時間枠
Change from baseline up to Day 7 in systolic blood pressure (SBP)
時間枠：144 hours
Blood pressure (systolic and diastolic) and pulse rate were measured using an automatic oscillometric device, always on the leading arm (i.e., leading arm = writing arm). Measurements were recorded in the supine position after the subject had rested for a 5-minute period.
144 hours
Change from baseline up to Day 7 in diastolic blood pressure (DBP)
時間枠：144 hours
Blood pressure (systolic and diastolic) and pulse rate were measured using an automatic oscillometric device, always on the leading arm (i.e., leading arm = writing arm). Measurements were recorded in the supine position after the subject had rested for a 5-minute period.
144 hours
Change from baseline up to Day 7 in pulse rate
時間枠：144 hours
Blood pressure (systolic and diastolic) and pulse rate were measured using an automatic oscillometric device, always on the leading arm (i.e., leading arm = writing arm). Measurements were recorded in the supine position after the subject had rested for a 5-minute period.
144 hours
Change from baseline to Day 7 in body weight
時間枠：144 hours
Body weight was measured using the same weighing scales.
144 hours
Change from baseline up to Day 7 in heart rate
時間枠：144 hours
Heart rate was determined from standard 12-lead electrocardiographs (ECGs) recorded in the supine position, after a 5-minute period of resting.
144 hours
Change from baseline up to Day 7 in PQ interval (time interval from the beginning of the P wave to the beginning of the QRS complex)
時間枠：144 hours
PQ interval was determined from standard 12-lead ECGs recorded in the supine position, after a 5-minute period of resting.
144 hours
Change from baseline up to Day 7 in QRS duration (time interval from the beginning of the Q wave to the end of the S wave)
時間枠：144 hours
QRS duration was determined from standard 12-lead ECGs recorded in the supine position, after a 5-minute period of resting.
144 hours
Change from baseline up to Day 7 in QT (time interval from beginning of the Q wave until end of the T wave)
時間枠：144 hours
QT interval was determined from standard 12-lead ECGs recorded in the supine position, after a 5-minute period of resting.
144 hours
Change from baseline up to Day 7 in QT interval according to Bazett's correction (QTcB)
時間枠：144 hours
QTcB interval was determined from standard 12-lead ECGs recorded in the supine position, after a 5-minute period of resting. The QTcB interval is the QT interval (interval from beginning of the Q wave until end of the T wave) corrected for heart rate with Bazett's formula (QTcB = QT/RR^0.5 where RR is 60/heart rate)
144 hours
Change from baseline up to Day 7 in QT interval according to Fridericia's correction (QTcF)
時間枠：144 hours
QTcF interval was determined from standard 12-lead ECGs recorded in the supine position, after a 5-minute period of resting. The QTcF interval is the QT interval (interval from beginning of the Q wave until end of the T wave) corrected for heart rate with Fridericia's formula (QTcB = QT/RR^0.33 where RR is 60/heart rate)
144 hours
Frequency of treatment-emergent ECG abnormalities from up to Day 7
時間枠：144 hours
Treatment-emergent abnormalities were determined from standard 12-lead ECGs recorded in the supine position, after a 5-minute period of resting. An ECG abnormality was considered treatment-emergent if it was not present during the screening period and/or at time of pre-dose assessment.
144 hours

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

Actelion

捜査官

  • スタディディレクター：Alison Mackie, MSc、Actelion

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。

一般刊行物

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

2012年8月1日

一次修了 (実際)

2012年9月1日

研究の完了 (実際)

2012年9月1日

試験登録日

最初に提出

2014年1月30日

QC基準を満たした最初の提出物

2014年1月31日

最初の投稿 (見積もり)

2014年2月3日

学習記録の更新

投稿された最後の更新 (見積もり)

2014年2月3日

QC基準を満たした最後の更新が送信されました

2014年1月31日

最終確認日

2014年1月1日

詳しくは

本研究に関する用語

キーワード

追加の関連 MeSH 用語

その他の研究ID番号

  • AC-061-103

この情報は、Web サイト clinicaltrials.gov から変更なしで直接取得したものです。研究の詳細を変更、削除、または更新するリクエストがある場合は、register@clinicaltrials.gov。 までご連絡ください。 clinicaltrials.gov に変更が加えられるとすぐに、ウェブサイトでも自動的に更新されます。

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