Evaluation of the PK of NRL972 Following Pre- and co-Administration of Ursodeoxycholic Acid and Cloxacillin
A Single-Centre, Open, Controlled, Randomised Cross-Over Study in Healthy Male and Female Volunteers to Evaluate the Pharmacokinetics of Cholyl-Lysyl-Fluorescein (NRL972) in the Presence of Medication-Induced Changes in Cytochrome P450 or Biliary Transporter Proteins. Part B: Interaction With Ursodeoxycholic Acid and Cloxacillin
Studienübersicht
Status
Status
Bedingungen
Bedingungen
Intervention / Behandlung
Intervention / Behandlung
Studientyp
Studientyp
Einschreibung (Tatsächlich)
Einschreibung
Phase
Phase
- Phase 1
Kontakte und Standorte
Studienorte
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-
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Sofia, Bulgarien, 1431
- MHAPT "Zarita Johanna" University Hospital
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-
Teilnahmekriterien
Zulassungskriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Beschreibung
Inclusion Criteria:
- Males or females (females of non-childbearing potential or of childbearing potential while taking medically appropriate contraception)
- Caucasian
- Age: 21 - 40 years
- BW 50 - 100 kg
- BMI 20 - 26 kg.m-2
- healthy based on the pre-study examination
- willing and able to provide informed consent
Exclusion Criteria:
General - all subjects
- Previous participation in the trial
- Participant in any other trial during the last 90 days
- Donation of blood during the last 60 days or a history of blood loss exceeding 300 mL within the last 3 months
- History of any clinically relevant allergy (including hypersensitivity to the trial medications)
- Presence of acute or chronic infection
- Presence or history of any relevant co-morbidity
- Resting systolic blood pressure > 160 or < 90 mmHg, diastolic blood pressure > 95 or < 50 mmHg
- Clinically relevant ECG-abnormalities, prolonged QTc with > 450 msec in males and > 460 msec in females in particular
- Presence of any relevant abnormality in the laboratory safety tests, especially low haemoglobin, increased liver enzymes
- Positive serology for HBsAg, anti HBc and anti HCV
- Positive HIV test
- Positive alcohol or urine drug test on recruitment (and upon admission)
- History of alcohol and/or drug abuse and/or daily use of > 30 gr alcohol
- Smoking more than 15 cigarettes/day or equivalent of other tobacco products
- Use of prohibited medication
- Suspicion or evidence that the subject is not trustworthy and reliable
Suspicion or evidence that the subject is not able to make a free consent or to understand the information in this regard
General - all females
- Positive pregnancy test
- Lactating
- Not using appropriate contraception in pre-menopausal women (note: under the conditions of the present study, women using hormonal contraceptives will be informed that this method is not sufficient during the study and that further i.e. mechanical methods [condom, diaphragm with spermicidal gel] should be us
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
- Hauptzweck: Diagnose
- Zuteilung: Zufällig
- Interventionsmodell: Crossover-Aufgabe
- Maskierung: Keine (Offenes Etikett)
Anzahl der Arme
Waffen und Interventionen
Teilnehmergruppe / ArmTeilnehmergruppe / Arm |
Intervention / BehandlungIntervention / Behandlung |
|---|---|
|
Experimental: Reference
No pre-treatment
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Single intravenous administration of 2 mg NRL972
Pre-treatment and co-treatment with 1 g Cloxacillin t.i.d. for three days from the morning of D-3 until the morning of Day D01 0:30 hour before the intravenous administration of NRL972.
Three week pre-treatment with daily doses of 500 mg b.i.d ursodeoxycholic acid from the morning of D-20 until the evening of Day D-1
|
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Experimental: T1
Cloxacillin pre- and co-treatment
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Single intravenous administration of 2 mg NRL972
Pre-treatment and co-treatment with 1 g Cloxacillin t.i.d. for three days from the morning of D-3 until the morning of Day D01 0:30 hour before the intravenous administration of NRL972.
Three week pre-treatment with daily doses of 500 mg b.i.d ursodeoxycholic acid from the morning of D-20 until the evening of Day D-1
|
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Experimental: T2
UDCA pre-treatment
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Single intravenous administration of 2 mg NRL972
Pre-treatment and co-treatment with 1 g Cloxacillin t.i.d. for three days from the morning of D-3 until the morning of Day D01 0:30 hour before the intravenous administration of NRL972.
Three week pre-treatment with daily doses of 500 mg b.i.d ursodeoxycholic acid from the morning of D-20 until the evening of Day D-1
|
Was misst die Studie?
Primäre Ergebnismessungen
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Zeitfenster |
|---|---|
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Total clearance by non-compartmental analysis. Apparent terminal disposition half-life t½ by non-compartmental analysis
Zeitfenster: 4 hours post-dose
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4 hours post-dose
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Sekundäre Ergebnismessungen
Sekundäre Ergebnismessungen
Ergebnis Maßnahme |
Zeitfenster |
|---|---|
|
Non-compartmental PK-analysis based on the extensive profile (up to last quantifiable data point), the 'short' profile (over the first hour after injection), and the two-point profile based on selected data-pairs over the 1st hour after dosing
Zeitfenster: 4 hours post-dose
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4 hours post-dose
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Mitarbeiter und Ermittler
Sponsor
Sponsor
Ermittler
Ermittler
- Hauptermittler: Emil Gatchev, PD Dr med, MHAPT "Zarita Johanna" University Hospital
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn
Studienbeginn
Primärer Abschluss (Tatsächlich)
Primärer Abschluss
Studienabschluss (Tatsächlich)
Studienabschluss
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Schätzen)
Zuerst gepostet
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Schätzen)
Letztes Update gepostet
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Zusätzliche relevante MeSH-Bedingungen
Andere Studien-ID-Nummern
Andere Studien-ID-Nummern
- NRL972-05/2005 (IN-B)
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