Enrollment complete in Exact Sciences DeeP-C screening trial for colorectal cancer

Published on November 15, 2012 at 8:27 AM · No Comments

Exact Sciences Corp. (Nasdaq: EXAS) today announced it has completed patient enrollment in its DeeP-C pivotal trial for colorectal cancer screening. The study enrolled more than 12,700 patients at sites in the United States and Canada.

“A patient-friendly test that detects cancer and advanced polyps early may well have a significant impact in the fight against colorectal cancer.”

The DeeP-C study, one of the largest of its kind, is evaluating the accuracy of the company's stool DNA colorectal cancer screening test, comparing it to traditional screening methods. It is being conducted among a population of patients between the ages of 50 and 84 at average risk of colorectal cancer. The results of the DeeP-C trial are expected to form the basis for submitting the non-invasive test for Pre-Market Approval with the U.S. Food and Drug Administration.

"We are pleased to have completed enrollment for one of the largest and most scientifically rigorous colorectal cancer screening trials ever implemented," said principal study investigator Thomas Imperiale, M.D., professor of medicine and associate director for research for the division of gastroenterology at Indiana University School of Medicine. "A patient-friendly test that detects cancer and advanced polyps early may well have a significant impact in the fight against colorectal cancer."

"This is a major milestone for Exact Sciences and a significant step forward in the early detection of colorectal cancer," said Kevin T. Conroy, president and chief executive of Exact Sciences. "Colorectal cancer is often considered the most preventable, yet least prevented cancer. It is highly treatable if found early, but 40 percent of adults age 50 and older have not been screened as recommended. Closing enrollment in our DeeP-C study draws Exact Sciences one step closer to bringing a potentially life-saving test to market, something the entire company remains passionate about."

DeeP-C Builds on Previous Study Results

The company recently presented results of a 1,003-patient case-control study that used the same technology as the DeeP-C trial. This data was presented in October, 2012 to a meeting of the American Association for Cancer Research and included patients at 36 study centers. Among the study population, there were 93 cases of colorectal cancer, 114 cases of advanced pre-cancers and 796 controls. At a nominal specificity of 90 percent, the Exact Sciences test detected 98 percent of colorectal cancers and 83 percent of pre-cancers with high-grade dysplasia, the majority of which progress to cancer. The test demonstrated 57 percent sensitivity in the detection of advanced pre-cancers equal to or larger than 1 centimeter. The test's sensitivity increased with the size of the pre-cancers, rising to 83 percent for pre-cancers larger than 3 centimeters.

 

 

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Exact Sciences

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