22
Participants
Start Date
October 31, 2007
Primary Completion Date
May 30, 2018
Study Completion Date
May 30, 2018
Vitamin D
Starting dose 50,000 IU by mouth 3 times weekly for three weeks (+/- one week), then 50,000 IU twice weekly for 6 weeks (+/- one week).
Four-dimensional computed tomography (4DCT)
Four-dimensional computed tomography (4DCT) scan of the neck.
University of Texas MD Anderson Cancer Center, Houston
M.D. Anderson Cancer Center
OTHER