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Lack of recruitment
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Molecular imaging with positron emission tomography (PET) using [18F] fluorodeoxyglucose (FDG) has been suggested as an early, sensitive marker of tumour response to anticancer drugs by monitoring the changes in glucose metabolism in tumours. Recently, FDG-PET has shown to be highly sensitive in detecting early response in other tumours. In this study, the investigators will prospectively investigate the role of early FDG-PET (at day 7 and week 6) in outcome prediction.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| PET-CT | Patients with Unresectable stage IV colorectal cancer; eligible for 3rd line Irinotecan and Cetuximab |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Imaging study | Other | PET-CT |
|
| Measure | Description | Time Frame |
|---|---|---|
| PET response on day 7 | day 7 |
| Measure | Description | Time Frame |
|---|---|---|
| To determine whether the PET criteria for response on day 7 correlates with the CT criteria of minimum 10% decrease in tumour size (RECIST) at week 6 | week 6 | |
| To define the optimal cutoff value of SUVmax and their predictive value | at day 7 and week 6 |
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Inclusion Criteria:
Exclusion Criteria:
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unresectable stage IV colorectal cancer pathologically proven measurable disease (RECIST) K-RAS wild type Eligible for 3rd line Irinotecan + Cetuximab Able for tolerate PET/CT imaging Serum glucose < 200mg/dl
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| Name | Affiliation | Role |
|---|---|---|
| Eric Van Cutsem, Prof.Dr | UZ Leuven | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| ZNA Middelheim | Antwerp | Belgium | ||||
| AZ Groeninge |
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| ID | Term |
|---|---|
| D015179 | Colorectal Neoplasms |
| ID | Term |
|---|---|
| D007414 | Intestinal Neoplasms |
| D005770 | Gastrointestinal Neoplasms |
| D004067 | Digestive System Neoplasms |
| D009371 | Neoplasms by Site |
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| To explore the test/retest reliability of PET/CT in this setting | 2 weeks |
| To assess the value of PET/CT at day 7 in predicting overall survival | up to 1 year |
| To asses the correlations between biomarkers and PET changes after Cetuximab | up to 6 months |
| Kortrijk |
| Belgium |
| UZLeuven | Leuven | 3000 | Belgium |
| H Hart Roeselare Campus menen | Menen | Belgium |
| Stedelijk Ziekenhuis Roeselare | Roeselare | Belgium |
| Sint Augustinus Ziekenhuis | Wilrijk | Belgium |
| D009369 | Neoplasms |
| D004066 | Digestive System Diseases |
| D005767 | Gastrointestinal Diseases |
| D003108 | Colonic Diseases |
| D007410 | Intestinal Diseases |
| D012002 | Rectal Diseases |