TL31: Design of MTD Trials
*Nfii Ndikintum, inVentiv Health Clinical Keywords: "3+3", CRM, MTD, Oncology In spite of its limitations, the "3+3" design to determine the Maximum Tolerated Dose (MTD) continues to be widely used in oncology trials. Researchers prefer this design for its simplicity and some assume the design to be safe. However, this design tends to yield a biased estimate of the target dose. The Continual Reassessment Method (CRM) is being adopted by researcher as an optimal approach to finding the MTD. The CRM design provides an unbiased estimate of the MTD. Some criticisms of the CRM include: large dose escalation steps might occur and patients could be exposed to dangerous toxic levels of treatment. The purpose of this roundtable is to discuss the merits and demerits of the “3+3” and CRM designs and their implementation in oncology trials.
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Key Dates
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November 1 - December 17, 2013
Online proposal submission for a session, short course and Town Hall Open -
January 6 - March 11, 2014
Online proposal submission for Roundtables Open -
April 30 - May 28, 2014
Abstract Submission Open -
June 4, 2014
Online Registration Opens -
August 8 - August 22, 2014
Invited Abstract Editing -
August 11, 2014
Short Course materials due from Instructors -
September 1, 2014
Housing Deadline -
September 15, 2014
Cancellation Deadline and Registration Closes @ 11:59 pm EDT -
September 22 - September 24, 2014
Marriott Wardman Park, Washington, DC