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LV, a less burdensome treatment regimen, would lead to the same improvement in three-year DFS. Following MOSAIC, CTEP sponsored a trial known as NSABP C-07, which was a randomized prospective study designed to determine whether bolus 5-FU/LV plus oxaliplatin (FLOX) would increase threeyear DFS compared to a bolus schedule of 5-FU/LV alone. More than 2400 patients with early-stage colon cancer were randomized to receive either bolus 5-FU/LV or FLOX. The primary endpoint was DFS. Events were defined as first recurrence, second primary cancer, or death. The median follow-up for patients who were still alive was 34 months. Threeyear DFS was 76.5 percent for the group of patients who received FLOX and 71.6 percent for the group who received bolus 5-FU/LV. The addition of oxaliplatin to weekly bolus 5-FU/LV significantly improved three-year DFS in patients with stage II and III colon cancer. The NSABP C-07 trial confirmed and extended the results of the MOSAIC trial by demonstrating that oxaliplatin in combination with a bolus schedule of 5-FU/LV resulted in a similar benefit for patients with early-stage colon cancer. Wolmark N, Wieand HS, Kuebler JP, Colangelo L, Smith RE. A phase III trial comparing FULV to FULV + oxaliplatin in stage II or III carcinoma of the colon: results of NSABP Protocol C-07. Proc Am Soc Clin Oncol 2005:23;246S. ■ ■ ■ Perioperative recovery was faster in the laparoscopic-surgery group than in the open-colectomy group, as reflected by shorter hospital stays and briefer use of parenteral narcotics and oral analgesics. Laparoscopic Colectomy Is an Acceptable Alternative to Open Colectomy for Colon Cancer The Clinical Outcomes of Surgical Therapy Study Group, through the CTEP clinical trials cooperative groups, conducted a trial at 48 institutions that randomly assigned 872 patients with adenocarcinoma of the colon to undergo traditional open or laparoscopically assisted colectomy performed by credentialed surgeons. This prospective, randomized trial found that laparoscopic colectomy was a safe alternative to open colectomy for patients with curable colon cancer. The primary endpoint of the study was time to tumor recurrence. Based on a median follow-up of 4.4 years, the rates of tumor recurrence at three years were similar in the two groups—16 percent among patients in the group that underwent laparoscopic surgery and 18 percent among patients who received traditional surgery. There was no significant difference between groups in the time to recurrence or OS for patients with any stage of cancer. Perioperative recovery was faster in the laparoscopic-surgery group than in the open-colectomy group, as reflected by shorter hospital stays and briefer use of parenteral narcotics and oral analgesics. Clinical Outcomes of Surgical Therapy Study Group. A comparison of laparoscopically assisted and open colectomy for colon cancer. N Engl J Med 2004:350;2050–9. C A N C E R T H E R A P Y E V A L U A T I O N P R O G R A M ■ 85

Oxaliplatin-Based Regimen Permits Successful Resection of Metastatic Colorectal Cancer A subset of patients with inoperable metastatic colorectal cancer in a study led by the North Central Cancer Treatment Group, N9741, showed that chemotherapy with fluorouracil (5-FU), oxaliplatin, and irinotecan combinations shrunk tumors enough to allow surgical removal of their metastatic disease. 5-FU, oxaliplatin, and irinotecan combinations improve timeto-tumor progression (TTP), objective response, and OS in patients with metastatic colorectal cancer. Resection of metastatic disease after chemotherapy is possible in a small 86 ■ P R O G R A M A C C O M P L I S H M E N T S 2 0 0 6 Colon cancer: Stage 0, Stage I, Stage II, Stage III, and Stage IV. Inset shows serosa, muscle, submucosa and mucosa layers of the colon wall, lymph nodes, and blood vessels. but important subset of patients with metastatic colorectal cancer, particularly after receiving an oxaliplatin-based chemotherapy regimen, with encouraging OS and TTP observed in these highly selected patients. Delaunoit T, Alberts SR, Sargent DJ, Green E, Goldberg RM, Krook J, Fuchs C, Ramanathan RK, Williamson SK, Morton RF, Findlay BP. Chemotherapy permits resection of metastatic colorectal cancer: experience from Intergroup N9741. Ann Oncol 2005:16;425–9. Goldberg RM, Sargent DJ, Morton RF, Fuchs CS, Ramanathan RK, Williamson SK, Findlay BP, Pitot HC, Alberts SR. A randomized controlled trial of fluorouracil plus leucovorin, irinotecan, and oxaliplatin combinations in patients with previously untreated metastatic colorectal cancer. J Clin Oncol 2004:22;23–30. NCI Visuals Online, Terese Winslow, artist.

LV, a less burdensome treatment regimen,<br />

would lead to the same improvement in<br />

three-year DFS.<br />

Following MOSAIC, CTEP sponsored a<br />

trial known as NSABP C-07, which was a<br />

r<strong>and</strong>omized prospective study designed<br />

to determine whether bolus 5-FU/LV plus<br />

oxaliplatin (FLOX) would increase threeyear<br />

DFS compared to a bolus schedule<br />

<strong>of</strong> 5-FU/LV alone.<br />

More than 2400 patients with early-stage<br />

colon cancer were r<strong>and</strong>omized to receive<br />

either bolus 5-FU/LV or FLOX. The primary<br />

endpoint was DFS. Events were defined as<br />

first recurrence, second primary cancer, or<br />

death. The median follow-up for patients<br />

who were still alive was 34 months. Threeyear<br />

DFS was 76.5 percent for the group<br />

<strong>of</strong> patients who received FLOX <strong>and</strong> 71.6<br />

percent for the group who received bolus<br />

5-FU/LV.<br />

The addition <strong>of</strong> oxaliplatin to weekly bolus<br />

5-FU/LV significantly improved three-year<br />

DFS in patients with stage II <strong>and</strong> III colon<br />

cancer. The NSABP C-07 trial confirmed<br />

<strong>and</strong> extended the results <strong>of</strong> the MOSAIC<br />

trial by demonstrating that oxaliplatin<br />

in combination with a bolus schedule <strong>of</strong><br />

5-FU/LV resulted in a similar benefit for<br />

patients with early-stage colon cancer.<br />

Wolmark N, Wie<strong>and</strong> HS, Kuebler JP, Colangelo<br />

L, Smith RE. A phase III trial comparing FULV to<br />

FULV + oxaliplatin in stage II or III carcinoma <strong>of</strong><br />

the colon: results <strong>of</strong> NSABP Protocol C-07. Proc<br />

Am Soc Clin Oncol 2005:23;246S.<br />

■ ■ ■<br />

Perioperative recovery was faster in the laparoscopic-surgery<br />

group than in the open-colectomy group, as reflected by<br />

shorter hospital stays <strong>and</strong> briefer use <strong>of</strong> parenteral narcotics<br />

<strong>and</strong> oral analgesics.<br />

Laparoscopic Colectomy Is an<br />

Acceptable Alternative to Open<br />

Colectomy for Colon <strong>Cancer</strong><br />

The Clinical Outcomes <strong>of</strong> Surgical Therapy<br />

Study Group, through the CTEP clinical<br />

trials cooperative groups, conducted a trial<br />

at 48 institutions that r<strong>and</strong>omly assigned<br />

872 patients with adenocarcinoma <strong>of</strong> the<br />

colon to undergo traditional open or laparoscopically<br />

assisted colectomy performed<br />

by credentialed surgeons.<br />

This prospective, r<strong>and</strong>omized trial found<br />

that laparoscopic colectomy was a safe<br />

alternative to open colectomy for patients<br />

with curable colon cancer. The primary<br />

endpoint <strong>of</strong> the study was time to tumor<br />

recurrence. Based on a median follow-up<br />

<strong>of</strong> 4.4 years, the rates <strong>of</strong> tumor recurrence<br />

at three years were similar in the two<br />

groups—16 percent among patients in<br />

the group that underwent laparoscopic<br />

surgery <strong>and</strong> 18 percent among patients<br />

who received traditional surgery. There<br />

was no significant difference between<br />

groups in the time to recurrence or<br />

OS for patients with any stage <strong>of</strong> cancer.<br />

Perioperative recovery was faster in the<br />

laparoscopic-surgery group than in the<br />

open-colectomy group, as reflected by<br />

shorter hospital stays <strong>and</strong> briefer use <strong>of</strong><br />

parenteral narcotics <strong>and</strong> oral analgesics.<br />

Clinical Outcomes <strong>of</strong> Surgical Therapy Study<br />

Group. A comparison <strong>of</strong> laparoscopically assisted<br />

<strong>and</strong> open colectomy for colon cancer. N Engl J<br />

Med 2004:350;2050–9.<br />

C A N C E R T H E R A P Y E V A L U A T I O N P R O G R A M ■ 85

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