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RATIONALE: Diagnostic procedures such as sentinel lymph node mapping may help doctors find patients who are at risk of developing micrometastases and plan better treatment.
- To determine the subset of patients with stage I or II localized, resectable colon cancer (pN0) at risk for developing systemic metastases.
- To determine the clinical and prognostic relevance of occult nodal isolated tumor cells and micrometastases in these patients.
- To determine the benefits of adjuvant chemotherapy in patients with pN0micro+ colon cancer.
OUTLINE: This is a phase II feasibility study (stage 1) followed by a phase III multicenter, open-label, randomized, and controlled study (stage 2).
- Stage 1 (phase II feasibility study) After undergoing planned curative resection followed by ex vivo sentinel lymph node mapping (SLNM). Resected samples are examined. The sentinel lymph nodes of those deemed pN0 disease (no macroscopic metastases or angioinvasion) are further evaluated for micrometastases by serial sectioning and immunohistochemistry using pan-cytokeratin. pN0micro+ disease are defined as isolated tumor cells (ITC) < 0.2 mm or micrometastasis 0.2 - 2 mm. Patients with pN0 disease are followed-up once every 6 months for 3 years and then annually for 2 years.
- stage 2 (phase III randomized study): Patients undergo planned surgery and ex vivo SLNM as in stage 1. Patients with pN0micro- disease are assigned to arm C; patients with pN0micro+ disease are randomized to 1 of 2 intervention arms (arms A and B). .
- Arm A (pN0micro+): Patients receive oral capecitabine twice daily on days 1-14 and oxaliplatin IV over 2 hours on day 1 OR oral capecitabine twice daily on days 1-14 alone according to standard protocol. Treatment repeats every 4 weeks for up to 8 courses. Patients are followed-up once every 6 months for 3 years and then annually for 2 years.
- Arm B (pN0micro+): Patients are followed-up once every 6 months for 3 years and then annually for 2 years.
- Arm C (pN0micro-): Patients are followed-up once every 6 months for 3 years and then annually for 2 years.
Allocation: Randomized, Control: Active Control, Masking: Open Label, Primary Purpose: Diagnostic
capecitabine, oxaliplatin, active surveillance, laboratory biomarker analysis, adjuvant therapy, lymph node mapping, sentinel lymph node biopsy
Not yet recruiting
National Cancer Institute (NCI)
Published on BioPortfolio: 2014-08-27T03:14:50-0400
Primary: - To demonstrate that capecitabine/oxaliplatin as adjuvant chemotherapy is superior to observation alone in terms of 3 year disease-free survival (DFS) rate in ...
RATIONALE: Drugs used in chemotherapy, such as oxaliplatin and capecitabine, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from ...
The primary objective of this pilot study is to determine whether neoadjuvant capecitabine/oxaliplatin/cetuximab and external beam radiation therapy followed by surgical resection [and the...
To evaluate of adjuvant therapy using oxaliplatin and gemcitabine (GEMOX regimen) versus capecitabine alone chemotherapy in patients who underwent curative surgery for intrahepatic cholang...
RATIONALE: Drugs used in chemotherapy, such as capecitabine and oxaliplatin, use different ways to stop tumor cells from dividing so they stop growing or die. Giving capecitabine and oxali...
This phase II trial was aimed at assessing the safety and activity of capecitabine, oxaliplatin, and irinotecan (COI regimen) as a preoperative treatment for resectable gastric cancer (GC) or gastroes...
Background Since 2004, a regimen of 6 months of treatment with oxaliplatin plus a fluoropyrimidine has been standard adjuvant therapy in patients with stage III colon cancer. However, since oxaliplati...
Neoadjuvant therapy of bevacizumab in combination with oxaliplatin and capecitabine (XELOX) for patients with metastatic colorectal cancer with unresectable liver metastases: a phase II, open-label, single-arm, noncomparative trial.
This phase II, open-label study evaluated the efficacy and safety of neoadjuvant therapy with bevacizumab plus XELOX (capecitabine and oxaliplatin) for untreated metastatic colorectal cancer with unre...
Objective: We aimed to evaluate the effectiveness of an mEOX (modified epirubicin, oxaliplatin plus capecitabine) regimen as second line therapy after failure of mDCF (modified docetaxel, cisplatin pl...
3 Versus 6 Months of Oxaliplatin-Based Adjuvant Chemotherapy for Patients With Stage III Colon Cancer: Disease-Free Survival Results From a Randomized, Open-Label, International Duration Evaluation of Adjuvant (IDEA) France, Phase III Trial.
Purpose Reduction of adjuvant treatment duration may decrease toxicities without loss of efficacy in stage III colon cancer. This could offer clear advantages to patients and health care providers. Me...
Surveillance of drugs, devices, appliances, etc., for efficacy or adverse effects, after they have been released for general sale.
Radiotherapy given to augment some other form of treatment such as surgery or chemotherapy. Adjuvant radiotherapy is commonly used in the therapy of cancer and can be administered before or after the primary treatment.
Body of knowledge related to the use of organisms, cells or cell-derived constituents for the purpose of developing products which are technically, scientifically and clinically useful. Alteration of biologic function at the molecular level (i.e., GENETIC ENGINEERING) is a central focus; laboratory methods used include TRANSFECTION and CLONING technologies, sequence and structure analysis algorithms, computer databases, and gene and protein structure function analysis and prediction.
Drug therapy given to augment or stimulate some other form of treatment such as surgery or radiation therapy. Adjuvant chemotherapy is commonly used in the therapy of cancer and can be administered before or after the primary treatment.
Infiltration of inflammatory cells into the parenchyma of PROSTATE. The subtypes are classified by their varied laboratory analysis, clinical presentation and response to treatment.
In a clinical trial or interventional study, participants receive specific interventions according to the research plan or protocol created by the investigators. These interventions may be medical products, such as drugs or devices; procedures; or change...
Colon or Colorectal cancer is the growth of malignant polyps on the colon, bowel, anus and rectum. Growths in these locations can be benign, and removed by colonoscopy, but they have a risk of becoming malignant. About 10 per cent of bowel cancer...