- ICH GCP
- US-Register für klinische Studien
- Klinische Studie NCT02511756
Visualization of Anti-angiogenic Effects With Perfusion Computed Tomography (CTP) (AVA-CTP)
Visualization of Anti-angiogenic Effects With Perfusion Computed Tomography (CTP) in mCRC Patients Treated With First-line Bevacizumab
Studienübersicht
Status
Bedingungen
Intervention / Behandlung
Detaillierte Beschreibung
So far, CTP has provided non-invasive imaging of tumor biological response to anti-angiogenic and vascular targeting agents in a number of clinical trials with increasing clinical application. CTP can be examined with a variety of commercially available CE-certified CT scanners and imaging post-processing is possible with commercially available CE-certified software from different vendors, too. In several studies, anti-angiogenic effects have been detected with CTP but further evidence for its clinical validation has to be proven in clinical trials.
Changes in tumor vasculature measured by CTP will be correlated to the clinical efficacy parameters progression-free survival, overall survival and response rate, thus identifying a group of patients who profit most from the anti-angiogenic treatment.
Studientyp
Einschreibung (Voraussichtlich)
Phase
- Unzutreffend
Kontakte und Standorte
Studienorte
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-
GR
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Chur, GR, Schweiz, 7000
- Kantonsspital Graubünden
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LU
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Luzern, LU, Schweiz, 6000
- Luzerner Kantonsspital
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SG
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St. Gallen, SG, Schweiz, 9007
- Kantonsspital St. Gallen
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ZH
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Winterthur, ZH, Schweiz, 8401
- Kantonsspital Winterthur
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Zürich, ZH, Schweiz, 8091
- Universitatsspital Zurich
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Teilnahmekriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Beschreibung
Inclusion Criteria:
- Age ≥ 18 years, male or female
- Signed written informed consent
- Patients with histologically confirmed diagnosis of colorectal cancer with hepatic metastases who are candidates for systemic treatment.
Confirmation of metastatic liver disease within one month prior to inclusion in one of the following radiological procedures:
- Contrast-enhanced spiral computed tomography showing at least one liver nodule ≥ 20 mm in longest diameter according to RECIST 1.1 criteria
- MR imaging of the liver with liver lesions suspicious for metastases
- PET computed tomography (PET/CT) with liver lesions suspicious for metastases
- Patient is eligible and designated for treatment with standard-of-care first-line bevacizumab-containing, fluoropyrimidine-based chemotherapy.
- ECOG performance status ≤ 2 (see appendix)
Exclusion Criteria:
- Inability or unwillingness to comply with the participation requirements
- History of untreated hyperthyreosis
- History of intolerance of or allergy to iodine contrast media according to CTCAE V4.03
- Calculated creatinine clearance < 45 ml/min
- For fertile women: positive urine pregnancy test or lactation.
- Known or suspected non-compliance, drug or alcohol abuse
- Life expectancy of less than 3 months
- Participation in another interventional trial with an investigational medicinal product (IMP) and within 30 days prior to screening
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
- Hauptzweck: Diagnose
- Zuteilung: N / A
- Interventionsmodell: Einzelgruppenzuweisung
- Maskierung: Single
Waffen und Interventionen
Teilnehmergruppe / Arm |
Intervention / Behandlung |
|---|---|
|
Sonstiges: Perfusion-computed tomography (CTP)
Patients undergo a total of four perfusion-computed tomographies from baseline to progression of disease.
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Contrast-enhanced computed tomography of liver metastases
Andere Namen:
|
Was misst die Studie?
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
|
CTP as predictive marker for efficacy measured by progression-free survival
Zeitfenster: one year
|
Predictive power of decrease in tumor vasculature on the clinical outcome in bevacizumab-based chemotherapy measured by progression-free survival (PFS).
Decrease in tumor vasculature is measured by blood flow in CTP 3 compared to CTP 1 (baseline)
|
one year
|
Sekundäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
|
CTP as predictive marker for efficacy measured by progression-free survival
Zeitfenster: one year
|
Predictive power of decrease in tumor vasculature on the clinical outcome in bevacizumab-based chemotherapy measured by progression-free survival (PFS).
Decrease in tumor vasculature is measured by blood flow, blood volume, mean transit time and permeability surface-area product in CTP
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one year
|
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CTP as predictive marker for efficacy measured by overall survival
Zeitfenster: four years
|
Predictive power of decrease in tumor vasculature measured by CTP on the clinical outcome in bevacizumab-based chemotherapy measured by overall survival (OS)
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four years
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Tumor vasculature at progression
Zeitfenster: one year
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Tumor vasculature measured by blood flow, blood volume, mean transit time and permeability surface-area product in CTP at the time of confirmed progression
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one year
|
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Subgroup analyses according to the RAS mutation status, BRAF mutation status and VEGF-A level
Zeitfenster: one year
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Predictive power of RAS-mutation status, BRAF-mutation status and VEGF-A level on the clinical outcome in bevacizumab-based chemotherapy measured by progression-free survival (PFS)
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one year
|
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Local and distant recurrences
Zeitfenster: one year
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Rates of local and distant recurrences according to RECIST 1.1 criteria
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one year
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Mitarbeiter und Ermittler
Sponsor
Mitarbeiter
Ermittler
- Hauptermittler: Patrick Veit-Haibach, MD, University Hospital Zurich, Diagnostic and Interventional Radiology
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn
Primärer Abschluss (Tatsächlich)
Studienabschluss (Voraussichtlich)
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Schätzen)
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Schätzen)
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Schlüsselwörter
Zusätzliche relevante MeSH-Bedingungen
Andere Studien-ID-Nummern
- KEK-ZH-Nr. 2015-0084
Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .
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