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Colorectal Cancer

Shorter Radiation Course May Benefit Patients With Locally Advanced Rectal Cancer

As neoadjuvant treatment for locally advanced rectal cancer, a shorter course of radiation therapy followed by chemotherapy may be as good as, or better than, standard chemoradiotherapy, according to a study from the Polish Colorectal Study Group presented at the 2016 Gastrointestinal Cancers...

colorectal cancer
issues in oncology

Fecal Immunochemical Test Sensitive and Effective for Annual Colorectal Cancer Screening

Annual screening with the fecal immunochemical test is highly sensitive for detecting colorectal cancer and “is feasible and effective for population-level colorectal cancer screening,” according to a large-scale retrospective cohort study assessing the fecal immunochemical...

colorectal cancer
issues in oncology
issues in oncology

Updated Guidelines Recommend That Patients With Colorectal Cancer Undergo Colonoscopy After Cancer Resection

According to new recommendations from the U.S. Multi-Society Task Force on Colorectal Cancer published by Kahi et al in Gastroenterology, postoperative colonoscopy is associated with improved overall survival for colorectal cancer patients. Therefore, it is critically important that colorectal...

colorectal cancer

Transcription Factor CDX2 May Be Prognostic Biomarker in Stage II and III Colon Cancer

In a study reported in The New England Journal of Medicine, Dalerba et al found that absence of the transcription factor CDX2, although prognostic for poor outcome in stage II and III colon cancer vs cancers with CDX2 expression, identified a subgroup of high-risk patients who appeared to benefit...

colorectal cancer

Dutch Trial Indicates 6-Year Surveillance Interval Is Sufficient for Many Individuals With Familial Colorectal Cancer

In a Dutch trial reported in the Journal of Clinical Oncology, Simone D. ­Hennink, MD, of Leiden University Medical Center in Leiden, the Netherlands, and colleagues found that a 6-year colonoscopic surveillance interval is sufficient for many individuals with familial colorectal cancer.1 However,...

colorectal cancer

Axel Grothey, MD, on Optimizing Systemic Therapy Selection in Metastatic Colorectal Cancer

Axel Grothey, MD, of the Mayo Clinic Cancer Center, discusses how the NCCN Guidelines can help oncologists make strategic choices of the various agents available to treat metastatic colorectal cancer, individualizing patient care.

colorectal cancer

Eric Van Cutsem, MD, PhD, and Axel Grothey, MD, on HERACLES and Other Colorectal Cancer Findings

Eric Van Cutsem, MD, PhD, of University Hospitals Gasthuisberg/Leuven, and Axel Grothey, MD, of the Mayo Clinic, discuss the Italian-led study on trastuzumab and lapatinib in HER2-amplified metastatic colorectal as well as other colorectal cancer findings discussed at ASCO (Abstract 3508).

colorectal cancer

Dung T. Le, MD, and Axel Grothey, MD, on PD-1 Blockade in Tumors With Mismatch Repair Deficiency

Dung T. Le, MD, of Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins University, and Axel Grothey, MD, of the Mayo Clinic, discuss how mismatch repair status predicts clinical benefit of immune checkpoint blockade with pembrolizumab (Abstract LBA100).

colorectal cancer

Chloe Evelyn Atreya, MD, PhD, and Axel Grothey, MD, on Efficacy of Targeted Treatments in BRAF-Mutated Metastatic Colorectal Cancer

Chloe Evelyn Atreya, MD, PhD, of the University of California, San Francisco, talks with Axel Grothey, MD, of the Mayo Clinic, about new data on trametinib, dabrafenib, and panitumumab in patients with the BRAF V600E mutation and vemurafenib plus irinotecan and cetuximab in BRAF-mutated metastatic colorectal cancer (Abstracts 103 and 3511).

cost of care
colorectal cancer

John L. Marshall, MD, on Issues of Value in Colorectal Cancer Treatment

John L. Marshall, MD, of Georgetown University, discusses how the cost of care affects behavior and decision-making on the part of patients and oncologists.

gastroesophageal cancer
colorectal cancer
survivorship

Martine Frouws, MSc, PhD, on Postdiagnosis Aspirin and Improved Survival in All GI Cancers

Martine Frouws, MD, PhD Candidate, of Leiden University Medical Centre discusses her study, which showed a significant increase in overall survival among patients with GI cancers who took aspirin compared to those who did not (Abstract 2306).

colorectal cancer

Michel Ducreux, MD, PhD, on Results of the Phase II COLO 001 Clinical Trial

Michel Ducreux, MD, PhD, of the Institut Gustave Roussy, discusses the efficacy and safety in this study of nab-paclitaxel in patients with previously treated metastatic colorectal cancer (Abstract 2131).

gastroesophageal cancer
colorectal cancer

Leonard Gunderson, MD, on the Presidential Symposium Lecture on Upper and Lower GI Cancers

Leonard Gunderson, MD, of the Mayo Clinic College of Medicine, discusses PET/CT imaging in upper and lower gastrointestinal cancers, which can be of value as a baseline study prior to treatment, in determining the degree of response to treatment, and in helping decide whether there is a relapse after a complete response to treatment.

colorectal cancer

Heinz-Josef Lenz, MD, on Metastatic Colorectal Cancer: Results of the MAVERICC Study (German Language Version)

Heinz-Josef Lenz, MD, of the USC Norris Comprehensive Cancer Center, discusses in German the findings of this phase II study of mFOLFOX6/bevacizumab vs FOLFIRI/bevacizumab with biomarker stratification in patients with metastatic colorectal cancer (Abstract 493).

colorectal cancer

Heinz-Josef Lenz, MD, on Metastatic Colorectal Cancer: Results of the MAVERICC Study

Heinz-Josef Lenz, MD, of the USC Norris Comprehensive Cancer Center, discusses the findings of this phase II study of mFOLFOX6/bevacizumab vs FOLFIRI/bevacizumab with biomarker stratification in patients with metastatic colorectal cancer (Abstract 493). To view the German language version of this newsreel, click here.

colorectal cancer

Krzysztof Bujko, MD, on Rectal Cancer: Results of a Phase III Trial

Krzysztof Bujko, MD, of the Maria Skłodowska Curie Memorial Cancer Centre, discusses the results of a multicenter Polish study on neoadjuvant chemoradiation for fixed cT3 or cT4 rectal cancer (Abstract 489).

colorectal cancer

Daniel G. Haller, MD, on Colon and Rectal Cancers: A Global Overview

Daniel G. Haller, MD, of the Abramson Cancer Center, discusses emerging global approaches to these diseases, emphasizing the studies that allow physicians to individualize treatments.

colorectal cancer

Eric Francois, MD, on Rectal Cancer: Findings From the ACCORD12 Trial (French Language Version)

Eric Francois, MD, of the Centre Antoine-Lacassagne, discusses in French the 5-year follow-up results from this phase III study of neoadjuvant treatment in rectal cancer (Abstract 490).

colorectal cancer

Eric Francois, MD, on Rectal Cancer: Findings From the ACCORD12 Trial

Eric Francois, MD, of the Centre Antoine-Lacassagne, discusses the 5-year follow-up results from this phase III study of neoadjuvant treatment in rectal cancer (Abstract 490). To view the French language version of this newsreel, click here.

solid tumors
colorectal cancer

Pilot Study Indicates Little Activity of Vemurafenib in Metastatic BRAF-Mutated Colorectal Cancer

In a phase II pilot study reported in the Journal of Clinical Oncology, Scott Kopetz, MD, PhD, of The University of Texas MD Anderson Cancer Center, and colleagues found little clinical activity of vemurafenib (Zelboraf) in patients with metastatic BRAF-mutated colorectal cancer.1 The BRAF V600E...

Colorectal Cancer

I Am Not Afraid of Cancer

At age 73, I’m no shrinking violet and I don’t run to the doctor at the first sign of a problem. I practice naturopathy and can usually ward off potential health issues by maintaining a healthy diet and lifestyle. When I began experiencing some mild discomfort in my rectum 2½ years ago, I was...

colorectal cancer

Study Finds Colorectal Cancer More Likely to Affect Minorities at Younger Age

Researchers at the University of Missouri School of Medicine reported that minority and ethnic groups are being diagnosed with colorectal cancer at younger ages and more advanced stages than non-Hispanic whites. The study was recently published in Cancer Medicine.1 “While we know the risk of...

gynecologic cancer
colorectal cancer
head and neck cancer
issues in oncology
issues in oncology

100% of NCI-Designated Cancer Centers Endorse the Promotion of the HPV Vaccination for Cancer Prevention

All National Cancer Institute (NCI)-designated cancer centers have united to support human papillomavirus (HPV) vaccination. A team of HPV experts drafted a consensus statement that advises widespread use of HPV vaccines to prevent cancer. HPV causes cancer of the cervix, anus, and throat. The HPV ...

palliative care
colorectal cancer

One in Seven Colorectal Cancer Patients Diagnosed Before Recommended Screening Age

Nearly 15% of patients diagnosed with colorectal cancer were younger than 50, the age at which screening recommendations begin. The study by researchers at the University of Michigan Comprehensive Cancer Center also found that younger patients were more likely to have advanced disease. The authors ...

colorectal cancer
issues in oncology

Study Finds Fecal Immunochemical Test Effective for Annual Colon Cancer Screening

Although the fecal immunochemical test is a common method for colorectal cancer screening, its acceptability and performance over several rounds of annual testing are largely unknown. Now, a large retrospective cohort study by Jensen et al assessing the fecal immunochemical...

colorectal cancer
hepatobiliary cancer
lung cancer
lymphoma

Increased Cancer Mortality Rate Among Recipients of Solid-Organ Transplants

Solid-organ transplant recipients have a higher rate of cancer mortality than what is expected in the general population, according to a Canadian study by Acuna et al published in JAMA Oncology. Cancer mortality among transplant recipients was significantly elevated compared with data for the...

colorectal cancer

Link Between Obesity and Increased Risk of Colorectal Cancer Revealed in Preclinical Models

Obesity has long been associated with increased risk of colorectal cancer, but the link has never been understood. Now, a research team led by investigators at Thomas Jefferson University has revealed the biologic connection, and in the process, has identified an approved drug that might prevent...

colorectal cancer

Patients Diagnosed With Stage I to III Rectal Cancer at Younger Age May Have Increased Risk for Positive Lymph Nodes

Patients diagnosed with stage I to III rectal cancer at a younger age are at increased risk of having positive lymph nodes, according to an analysis of data published in the Journal of the National Cancer Institute. “This finding merits further investigation and may ultimately impact...

Colorectal Cancer

Capecitabine Noninferior to 5-FU with Improved Toxicity Profile in Rectal Cancer, Two Studies Demonstrate

Two separate trials presented during an oral session at the 2011 ASCO Annual Meeting suggest that capecitabine (Xeloda) can replace fluorouracil (5-FU) as part of chemoradiotherapy for rectal cancer. Patients randomly assigned to either treatment had comparable outcomes but with less toxicity from...

Colorectal Cancer

Smoking and Lack of Exercise Increase Risk of Some Cancers, but Moderate Alcohol Consumption Reduces Colon Cancer Risk

A substudy of the large prospective National Surgical Adjuvant Breast and Bowel Project (NSABP) Breast Cancer Prevention Trial revealed both expected and surprising findings related to the association between lifestyle factors (cigarette smoking, alcohol, and exercise) and cancer risk. As might be...

Colorectal Cancer

Endoscopic Excision May Be Viable Alternative to Surgical Resection of Large Colorectal Polyps

A retrospective review of 104 consecutive patients with large colorectal lesions, including 39 with carcinoma, found that “endoscopic excision of large colorectal polyps is a viable alternative to surgical resection in a select group of patients and can be performed safely with a good success...

Colorectal Cancer

Venous Thromboembolism More Frequent after Open Colorectal Surgery than Post-laparoscopy

The risk of developing venous thromboembolism (VTE) may be nearly twice as high for patients undergoing open colorectal procedures as for those undergoing laparoscopic colorectal resections, according to a report in the Archives of Surgery. The authors also “identified malignancy, obesity, and...

Colorectal Cancer

Surgical Site Infections after Colectomy More Likely in Obese Patients

Obese patients appear to have a significantly increased risk of developing a surgical site infection after segmental or total colectomy for colon cancer, diverticulitis, or inflammatory bowel disease, and the presence of infection increases the cost associated with the procedure, according to a...

Colorectal Cancer

Hepatic Resection Remains Preferred Strategy for Colorectal Liver Metastases

Hepatic resection was shown to be superior to radiofrequency ablation (RFA) for the treatment of colorectal liver metastases, according to a model used to stimulate a randomized controlled trial. Researchers from the Hepatobiliary and Pancreatic Surgery Program at the Providence Portland Medical...

Colorectal Cancer

‘Hot Chemotherapy’ Generates Heated Debate about Its Use with Cytoreductive Surgery to Manage Peritoneal Metastases

"Hot chemotherapy” has become the common term for hyperthermic intraperitoneal chemotherapy (HIPEC), which together with cytoreductive surgery is being used by some surgeons to treat patients with carcinomatosis from colorectal cancer. While HIPEC is not considered the most important component of...

Colorectal Cancer

Standards of Care Confirmed in Latest Group of Colorectal Cancer Trials

Colorectal cancer studies reported at this year’s ASCO meeting offered little in the way of practice-changing information, according to Axel Grothey, MD, of the Mayo Clinic in Rochester, Minnesota. But they did confirm existing standards of care, he noted at the Best of ASCO® meeting in Seattle....

Colorectal Cancer

Fear of the Unknown: Cancer Treatment Can Be Scarier than the Disease Itself

Two years ago, I was feeling fine except for a nagging problem with severe constipation. I believed this was caused by some loperamide I had taken to quell the episodes of diarrhea I experienced following dinner at a local barbecue restaurant. When the symptoms persisted for a couple of months, I...

Colorectal Cancer

Panitumumab Is Not Beneficial in KRAS Mutations: No Exceptions

The need to restrict treatment with panitumumab (Vectibix) to metastatic colorectal cancer patients with wild-type (normal) KRAS tumors was upheld in a study presented at the 2011 European Multidisciplinary Cancer Congress (EMCC). The investigation found a consistent lack of benefit for the drug...

Colorectal Cancer

Oxaliplatin Improved Overall Survival in Patients under 70

The addition of oxaliplatin to fluorouracil (5-FU) plus leucovorin improved overall survival in patients younger than 70 years old participating in the National Surgical Adjuvant Breast and Bowel Project (NSABP) C-07 trial. Patients eligible for the trial had either stage II or III colon cancer and ...

Colorectal Cancer

Should Age at Initial Screening Colonoscopy Be Younger for Men?

A study to investigate the most appropriate age for initial screening colonoscopy to improve detection of adenomas, advanced adenomas, and colorectal cancer, and lower colorectal cancer mortality found that the most appropriate age might be different for men and women. “In our study, analysis of...

Colorectal Cancer

MRI Helps Predict Survival Outcomes in Patients with Rectal Cancer

Magnetic resonance imaging (MRI) can be used after neoadjuvant therapy for rectal cancer to predict survival outcomes for good and poor responders and offer patients additional treatment options before definitive surgery, according to a study conducted at 11 specialist colorectal cancer units in...

Colorectal Cancer

Despite Challenges, Combined-modality Therapy Warranted for Locally Recurrent Colorectal Cancer

Encouraging outcomes have been achieved with a combined-modality treatment approach for patients with locally recurrent colorectal cancer in both curative and palliative settings, although room for improvement remains. During a session presented at the American Society for Radiation Oncology...

Colorectal Cancer

Aflibercept Improves Overall Survival in Patients with Metastatic Colorectal Cancer

The novel fusion protein aflibercept added to standard chemotherapy led to an overall survival benefit in a global phase III trial of second-line metastatic colorectal cancer, reported at the 2011 European Multidisciplinary Cancer Congress in Stockholm.1 “Adding aflibercept to FOLFIRI [leucovorin,...

Lung Cancer
Gynecologic Cancers
Colorectal Cancer
Hepatobiliary Cancer

Important Briefs from the 2011 European Multidisciplinary Cancer Congress

Nearly 16,000 people from 16 countries attended this year’s European Multidisciplinary Cancer Congress, held recently in Stockholm. The ASCO Post has featured several key reports from the meeting and will offer further coverage in upcoming issues. Additional noteworthy studies presented at the...

Colorectal Cancer

Humor Is Helping Me Survive Cancer

Despite a strong family history of colon cancer—all five of my mother’s siblings had colon cancer, and my mother died of the disease 10 years ago—when some flecks of blood started showing up on my toilet tissue in early 2005, I figured it was from hemorrhoids. At 38, I was a marathon runner and in...

Colorectal Cancer

Further Individualizing Staging Offers Benefits in Patients with Colon Cancer

Supplementing the American Joint Committee on Cancer (AJCC) TNM classification system with additional information available from tumor registries can assist in personalizing treatment and follow-up care for patients with colon cancer, according to a collaborative study by investigators at Memorial...

Thyroid Cancer
Pancreatic Cancer
Colorectal Cancer
Breast Cancer

Oncology Research a Strong Presence at the American College of Surgeons Meeting: New Data in Pancreatic, Rectal, Thyroid, and Breast Cancers

Research in cancer staging, surgical procedures, outcomes, and medical treatment was included among the 2,000 abstracts presented at the 97th Annual American College of Surgeons Clinical Congress in San Francisco. The ASCO Post was there to capture the latest findings. Neoadjuvant Chemotherapy in...

Colorectal Cancer

Significant Differences in Genetic Characteristics of Primary Colorectal Cancer and Hepatic Metastases

Vermaat and colleagues from the University Medical Center Utrecht, Hubrecht Institute, Utrecht, The Netherlands, and Hoffman-La-Roche Inc./Genentech, Nutley, New Jersey, recently showed that there was significant genetic variation between individual primary colorectal cancer tumors and their...

Colorectal Cancer

Survival Advantage of Oxaliplatin Extends to Diverse Group of Patients

The survival advantage conferred by adding oxaliplatin to adjuvant chemotherapy with fluorouracil (5-FU), as previously shown in randomized controlled trials, extends to patients in the general population, including older and minority group patients and those with higher comorbidity. These results, ...

Colorectal Cancer

New Colonoscopy System Cleared by FDA

A developer of endoscopy products  based in New York and Kissing, Germany, invendo medical, announced that the company received 510(k) clearance by the FDA of the company’s new C20 colonoscopy system, including the SC20 single-use colonoscope. The invendoscope SC20 has several features that are...

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