- ICH GCP
- Registr klinických studií v USA
- Klinická studie NCT02169063
Carbon-11 Acetate and Fluorine F 18 Sodium Fluoride PET as a Biomarker of Treatment Response in Patients With Hormone Resistant Metastatic Prostate Cancer
PET Imaging as a Biomarker of Systemic Treatment Response for Men With Metastatic Castration-Resistant Prostate Cancer
Přehled studie
Postavení
Podmínky
Detailní popis
PRIMARY OBJECTIVES:
I. Demonstrate that carbon-11 acetate (11C-acetate) and 18F-fluoride (fluorine F 18 sodium fluoride) PET scans change as a result of treatment for men with metastatic castration-resistant prostate cancer by comparison of pre-treatment and 6-12 week post-treatment images (standardized uptake value [SUV], influx constant [Ki], and rate constant [K1]) with clinical response measures.
SECONDARY OBJECTIVES:
I. Compare results from 11C-acetate and 18F-fluoride PET scanning with the patient's clinical bone scan and determine which predicts clinical response better.
II. Compare changes in 11C-acetate and 18F-fluoride PET with changes in prostate-specific antigen (PSA) level.
III. Compare changes in 11C-acetate and 18F-fluoride PET with changes in urinary N-telopeptide and bone alkaline phosphatase.
IV. Determine if either baseline uptake or change in uptake for 11C-acetate and/or 18F-fluoride PET is correlated with progression-free survival by Prostate Cancer Working Group 2 (PCWG2) criteria (Scher, 2008).
V. Determine if either baseline uptake or change in uptake by 11C-acetate and/or 18F-fluoride PET is correlated with skeletal-related events (SREs) defined as radiographic pathologic fracture, need for radiation to bone, need for surgery, spinal cord compression or malignant hypercalcemia.
VI. Percentage of patients that experience adverse events by Common Terminology Criteria for Adverse Events, version 4.0.
VII. For patients who have tissue/blood biomarkers obtained for other indications, directly compare baseline uptake and change in uptake by 11C-acetate and/or 18F-fluoride PET with those biomarkers.
OUTLINE:
Patients receive carbon-11 acetate intravenously (IV) and fluorine F 18 sodium fluoride IV over 1 minute and undergo PET at baseline and at 6-12 weeks after systemic therapy starts.
After completion of treatment, patients are followed up every 3 months for up to 5 years.
Typ studie
Fáze
- Nelze použít
Kontakty a umístění
Studijní místa
-
-
Washington
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Seattle, Washington, Spojené státy, 98109
- Fred Hutchinson Cancer Research Center/University of Washington Cancer Consortium
-
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Kritéria účasti
Kritéria způsobilosti
Věk způsobilý ke studiu
Přijímá zdravé dobrovolníky
Pohlaví způsobilá ke studiu
Popis
Inclusion Criteria:
- Patients preparing to receive systemic therapy to treat metastatic castration-resistant prostate cancer
- At the time of enrollment, patients must demonstrate evidence of castration-resistant prostate cancer with a documented castrate level of serum total testosterone (< 50 ng/dL) while on continuous androgen deprivation therapy
- Be informed of the investigational nature of this study and provide written informed consent in accordance with institutional and federal guidelines prior to study-specific screening procedures
- Be willing and able to comply with scheduled visits and other trial procedures
- Presence of at least one measurable or detectable metastasis as defined by bone scintigraphy, computed tomography (CT) scan appearance (magnetic resonance imaging [MRI] if indicated), or plain x-ray appearance
Exclusion Criteria:
- Any condition that would alter the patient's mental status, prohibiting the basic understanding and/or authorization of informed consent
- A serious underlying medical condition that would otherwise impair the patient's ability to receive treatment and imaging studies
- Expected lifespan of 12 weeks or less
- Extremely poor intravenous access, prohibiting the placement of a peripheral IV line for injection of radiotracer
- Radiation treatment to bone less than 4 weeks from the first PET scan
- Radiopharmaceutical treatment to bone less than 4 weeks from first PET scan
- Treatment with granulocyte-macrophage colony stimulating factor (GM-CSF) or granulocyte (G-CSF) within 4 weeks prior to first PET scan; patients should avoid treatment with these agents between the baseline and 6-12 treatment week imaging sessions
- Inability to lie still for imaging
- Weight > 300 pounds (lbs)
Studijní plán
Jak je studie koncipována?
Detaily designu
- Primární účel: Diagnostický
- Přidělení: N/A
- Intervenční model: Přiřazení jedné skupiny
- Maskování: Žádné (otevřený štítek)
Zbraně a zásahy
Skupina účastníků / Arm |
Intervence / Léčba |
|---|---|
|
Experimentální: Diagnostic (11C-acetate, 18F-fluoride, PET)
Patients receive carbon-11 acetate IV and fluorine F 18 sodium fluoride IV over 1 minute and undergo PET at baseline and at 6-12 weeks after systemic therapy starts.
|
Korelační studie
Given IV
Given IV
Ostatní jména:
Undergo 11C-acetate and 18F-fluoride PET
Ostatní jména:
|
Co je měření studie?
Primární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
|
Changes in prostate cancer metastases as measured by 11C-acetate and 18F-fluoride PET in response to systemic therapy
Časové okno: Baseline to up to 12 weeks
|
Percentage change between pre-treatment and post-therapy measurements will be computed for PET measures.
Log transformations will be considered if the rates of change are highly skewed.
Additionally, changes in PET measures will be analyzed descriptively by a stem-and-leaf plot.
|
Baseline to up to 12 weeks
|
Sekundární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
|
Clinical response data (response, stable disease or progression)
Časové okno: Up to 5 years
|
Molecular imaging measures and clinical measures of treatment response, percentage change in PET derived imaging data will be compared to standard clinical parameters.
Association between these two types of data decline will be analyzed using the mid-P adjustment to Fisher's exact test (Lancaster, 1961) to evaluate the potential clinical utility of change in 11C-acetate and 18F-fluoride as a biomarker for response.
|
Up to 5 years
|
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Proportion of both 11C-acetate and 18F-fluoride PET scans and 99mTc bone scans in discovering suspicious sites that are later confirmed by standard bone scans
Časové okno: Up to 5 years
|
Statistical significance of two proportions will be tested with a two-sample t-test for proportions (or nonparametric alternative).
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Up to 5 years
|
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Change in PSA parameters
Časové okno: Baseline to up to 30 days post-PET
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Spearman rank correlation will be used to examine correlations between PET parameters and continuous variable changes in PSA.
|
Baseline to up to 30 days post-PET
|
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Change in urinary N-telopeptide
Časové okno: Baseline to up to 30 days post-PET
|
Spearman rank correlation will be used to examine correlations between PET parameters and continuous variable changes in urinary N-telopeptide.
|
Baseline to up to 30 days post-PET
|
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Change in bone alkaline phosphatase
Časové okno: Baseline to up to 30 days post-PET
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Spearman rank correlation will be used to examine correlations between PET parameters and continuous variable changes in bone alkaline phosphatase.
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Baseline to up to 30 days post-PET
|
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Progression-free survival (PFS) using PCWG2
Časové okno: Up to 5 years
|
Cox proportional hazards model will be used to investigate the predictive value of the differences in pre- and post- treatment measures on PCWG2 PFS.
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Up to 5 years
|
|
SRE defined as radiographic pathologic fracture, need for radiation to bone, need for surgery, spinal cord compression or malignant hypercalcemia
Časové okno: Up to 5 years
|
Cox proportional hazards model will be used to investigate the predictive value of the differences in pre- and post- treatment measures on time of first SRE.
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Up to 5 years
|
Spolupracovníci a vyšetřovatelé
Sponzor
Spolupracovníci
Vyšetřovatelé
- Vrchní vyšetřovatel: Evan Yu, Fred Hutchinson Cancer Research Center/University of Washington Cancer Consortium
Termíny studijních záznamů
Hlavní termíny studia
Začátek studia
Primární dokončení (Očekávaný)
Termíny zápisu do studia
První předloženo
První předloženo, které splnilo kritéria kontroly kvality
První zveřejněno (Odhad)
Aktualizace studijních záznamů
Poslední zveřejněná aktualizace (Odhad)
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
Naposledy ověřeno
Více informací
Termíny související s touto studií
Další relevantní podmínky MeSH
Další identifikační čísla studie
- 8021 (Jiný identifikátor: Fred Hutchinson Cancer Research Center/University of Washington Cancer Consortium)
- P30CA015704 (Grant/smlouva NIH USA)
- NCI-2014-01203 (Identifikátor registru: CTRP (Clinical Trial Reporting Program))
Tyto informace byly beze změn načteny přímo z webu clinicaltrials.gov. Máte-li jakékoli požadavky na změnu, odstranění nebo aktualizaci podrobností studie, kontaktujte prosím register@clinicaltrials.gov. Jakmile bude změna implementována na clinicaltrials.gov, bude automaticky aktualizována i na našem webu .
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