Study showed oxaliplatin improved colon cancer patient survival

January 20, 2012

Stage III colon cancer patients in the general population who receive adjuvant treatment for the disease have an improved rate of survival when oxaliplatin is added to 5-fluorouracil (5FU), according to a study published Jan. 20 in the Journal of the National Cancer Institute.

Colon cancer is a leading global cause of both illness and death; with an estimated 101,340 cases among Americans in 2011. Roughly one third of diagnoses are stage III or node-positive disease. In randomized clinical trials (RCTs), adding oxaliplatin to adjuvant 5FU is known to improve outcomes of patients with stage III colon cancer. But the effect of this combined therapy outside RCTs is unknown. In addition, fewer than 2% of patients with the cancer enroll in RCTs, and participants are known to be generally younger, healthier and less racially diverse than the overall population.

In order to determine the effects of combined therapy in stage III colon cancer patients in the general population, Hanna K. Sanoff M.D., and assistant professor of Medicine, Hematology and Oncology at the University of Virginia School of Medicine and colleagues, gathered data from patients using the Surveillance, Epidemiology, and End Results registry linked to Medicare claims (SEER-Medicare), among other cancer registries. All patients had stage III colon cancer, received chemotherapy within 120 days of surgery, and were age 75 years or younger. Overall survival (OS) was then compared between patients treated with combined therapy and standard chemotherapy.

The researchers found that adding oxaliplatin to adjuvant therapies for stage III in patients of the general cancer population was just as effective as in patients from RCTs. The addition of oxaliplatin showed improved survival across various practice settings, including those with older and as well as patients with greater comorbidity. "Physicians and patients should be reassured from our findings that is associated with marginally but consistently superior survival for patients diagnosed before age 75 years in community settings," the authors write. They feel that now that combined therapy has proven efficacious in the general population, it is important to home in on high –risk subgroups such as patients over age 75, racially diverse minorities, and those with co morbid conditions.

Explore further: Survival disparities in African-American and white colo-rectal cancer patients

Related Stories

Survival disparities in African-American and white colo-rectal cancer patients

October 12, 2011
African-American patients with resected stage II and stage III colon cancer experienced worse overall and recurrence-free survival compared to whites, but similar recurrence-free intervals, according to a study published ...

Recommended for you

Physical activity could combat fatigue, cognitive decline in cancer survivors

July 25, 2017
A new study indicates that cancer patients and survivors have a ready weapon against fatigue and "chemo brain": a brisk walk.

Breaking the genetic resistance of lung cancer and melanoma

July 25, 2017
Researchers from Monash University and the Memorial Sloan Kettering Cancer Center (MSKCC, New York) have discovered why some cancers – particularly lung cancer and melanoma – are able to quickly develop deadly resistance ...

New therapeutic approach for difficult-to-treat subtype of ovarian cancer identified

July 24, 2017
A potential new therapeutic strategy for a difficult-to-treat form of ovarian cancer has been discovered by Wistar scientists. The findings were published online in Nature Cell Biology.

Immune cells the missing ingredient in new bladder cancer treatment

July 24, 2017
New research offers a possible explanation for why a new type of cancer treatment hasn't been working as expected against bladder cancer.

Anti-cancer chemotherapeutic agent inhibits glioblastoma growth and radiation resistance

July 24, 2017
Glioblastoma is a primary brain tumor with dismal survival rates, even after treatment with surgery, chemotherapy and radiation. A small subpopulation of tumor cells—glioma stem cells—is responsible for glioblastoma's ...

No dye: Cancer patients' gray hair darkened on immune drugs

July 21, 2017
Cancer patients' gray hair unexpectedly turned youthfully dark while taking novel drugs, and it has doctors scratching their heads.

0 comments

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.