AAPM Committee Tree

Charge	The radiobiology of hypofractionated treatments may differ considerably from that of standard fractionated treatments, in regards to repair, reoxygenation, dose-rate effects, volume effects, fraction size effects, etc. The working group will generate reports, including but not limited to, critically surveying the published data regarding: Tumor response: review of the effect of hypofractionation on local control. Normal tissue response: review of the effect of hypofractionation on normal tissue tolerances. Radiobiology of hypofractionated treatments. Clinical rationales for the diverse prescription schemes in current use (e.g. 20GyX3 vs 24GyX1). Standards for reporting outcome, including endpoints, defining/contouring of target and normal structures, dose definitions.
Bylaws:	Not Referenced.Rules: Not Referenced.
Approved Date(s)	n/a
Committee Keywords:	WGSBRT

Board of Directors

Science Council [Status]

Therapy Physics Cmte [Status]

Biological Effects SC [Status]

Working Group on Biological Effects of Hypofractionated Radiotherapy/SBRT [Status]

Unit No. 1 - TCP [Status]

Unit No. 10 - TCP Pelvic [Status]

Unit No. 11 - TCP Spinal [Status]

Unit No. 12 - NTCP Cranial [Status]

Unit No. 13 - NTCP H and N [Status]

Unit No. 14 - NTCP Thoracic [Status]

Unit No. 15 - NTCP Abdominal [Status]

Unit No. 16 - NTCP Pelvic [Status]

Unit No. 17 - NTCP Spinal [Status]

Unit No. 2 - NTCP [Status]

Unit No. 3 - Radiobiology [Status]

Unit No. 4 - Rationale for Rx [Status]

Unit No. 5 - Reporting Standards [Status]

Unit No. 6 - TCP Cranial [Status]

Unit No. 7 - TCP H and N [Status]

Unit No. 8 - TCP Thoracic [Status]

Unit No. 9 - TCP Abdominal [Status]
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Chairs

Jimm Grimm
Workgroup Co-Chair

Ellen Yorke
Workgroup Co-Chair

2021 Roster

(dates shown below are start and end dates of position.)

=complete and up-to-date,

=incomplete conflict of interest statement.

VOTING Appointments

There are 20 voting members.

Stanley H. Benedict, PhD 1/1/2019 - 12/31/2021 Member	Shiva K. Das, PhD 1/1/2019 - 12/31/2021 Member
George X. Ding, PhD 1/1/2019 - 12/31/2021 Member	Issam M. El Naqa, PhD 1/1/2019 - 12/31/2021 Member
Jimm Grimm, PhD 1/1/2019 - 12/31/2021 Workgroup Co-Chair	Andrew Jackson, PhD 1/1/2019 - 12/31/2021 Member
Lijun Ma, PhD 1/1/2019 - 12/31/2021 Member	Lawrence B. Marks, MD 1/1/2021 - 12/31/2021 Member
Mary K. Martel, PhD 1/1/2019 - 12/31/2021 Member	Charles S. Mayo, PhD 1/1/2019 - 12/31/2021 Member
Paul M. Medin, PhD 1/1/2019 - 12/31/2021 Member	Moyed Miften, PhD 1/1/2019 - 12/31/2021 Member
Eduardo G. Moros Ph.D., PhD 1/1/2019 - 12/31/2021 Member	Andrzej Niemierko, PhD 1/1/2019 - 12/31/2021 Member
Ke Sheng, PhD 1/1/2019 - 12/31/2021 Member	Randall K. Ten Haken, PhD 1/1/2019 - 12/31/2021 Member
Wolfgang A. Tomé, PhD 1/1/2019 - 12/31/2021 Member	Yevgeniy Vinogradskiy, PhD 1/1/2018 - 12/31/2021 Member
Jinyu Xue, PhD 1/1/2019 - 12/31/2021 Member	Ellen D. Yorke, PhD 1/1/2019 - 12/31/2021 Workgroup Co-Chair

NON-VOTING Appointments

There are 30 non-voting members and guests.

Soren M. Bentzen Ph.D. 10/27/2011 - 12/31/2021 Consultant (nonvoting)	Jimmy Caudell 1/1/2013 - 12/31/2021 Consultant (nonvoting)
Ronald Chen 9/5/2012 - 12/31/2021 Consultant (nonvoting)	Sean Collins 1/1/2013 - 12/31/2021 Consultant (nonvoting)
Louis Constine 4/13/2012 - 12/31/2021 Consultant (nonvoting)	Laura A. Dawson 1/1/2013 - 12/31/2021 Consultant (nonvoting)
John Flickinger 1/1/2013 - 12/31/2021 Consultant (nonvoting)	Donald Fuller 12/19/2011 - 12/31/2021 Consultant (nonvoting)
Iris Gibbs 7/8/2013 - 12/31/2021 Consultant (nonvoting)	Dwight E. Heron, MD 10/4/2011 - 12/31/2021 Consultant (nonvoting)
Michael C. Joiner, PhD 9/19/2011 - 12/31/2021 Consultant (nonvoting)	Feng-Ming (Spring) Kong 1/1/2019 - 12/31/2021 Consultant (nonvoting)
Tamara LaCouture, MD 9/20/2011 - 12/31/2021 Consultant (nonvoting)	X. Allen Li, PhD 9/16/2011 - 12/31/2021 Consultant (nonvoting)
Zhongxing Liao 10/25/2011 - 12/31/2021 Consultant (nonvoting)	Billy W. Loo Jr., MD 7/8/2013 - 12/31/2021 Consultant (nonvoting)
Dale M. Lovelock, PhD 1/1/2019 - 12/31/2021 Consultant (nonvoting)	Panayiotis Mavroidis, PhD 1/1/2019 - 12/31/2021 Consultant (nonvoting)
Alejandra Mendez-Romero 7/8/2013 - 12/31/2021 Consultant (nonvoting)	Michael Milano 4/13/2012 - 12/31/2021 Consultant (nonvoting)
Vitali Moiseenko, PhD 1/1/2020 - 12/31/2021 Consultant (nonvoting)	Nitin Ohri 1/1/2013 - 12/31/2021 Consultant (nonvoting)
Andreas Rimner 10/31/2011 - 12/31/2021 Consultant (nonvoting)	Arjun Sahgal, MD 10/31/2011 - 12/31/2021 Consultant (nonvoting)
Stephen A. Sapareto, PhD 1/1/2019 - 12/31/2021 Consultant (nonvoting)	Nathan C. Sheets, MD 7/8/2013 - 12/31/2021 Consultant (nonvoting)
Timothy D. Solberg, PhD 1/1/2020 - 12/31/2021 Consultant (nonvoting)	Scott Soltys 10/31/2011 - 12/31/2021 Consultant (nonvoting)
Robert Timmerman 1/1/2013 - 12/31/2021 Consultant (nonvoting)	Albert van der Kogel 10/31/2011 - 12/31/2021 Consultant (nonvoting)