Radiation Therapy in Treating Patients With Stage II Cancer of the Vocal Cord

Sponsor
Radiation Therapy Oncology Group (Other)
Overall Status
Completed
CT.gov ID
NCT00002727
Collaborator
National Cancer Institute (NCI) (NIH)
250
237
2
248
1.1
0

Study Details

Study Description

Brief Summary

RATIONALE: Radiation therapy uses high-energy x-rays to damage tumor cells. It is not yet known which radiation therapy regimen is more effective in treating patients with stage II cancer of the vocal cord.

PURPOSE: Randomized phase III trial to compare two regimens of radiation therapy in treating patients who have stage II cancer of the vocal cord.

Condition or Disease Intervention/Treatment Phase
  • Radiation: radiation therapy
Phase 3

Detailed Description

OBJECTIVES:
  • Compare the local response rate in patients with stage II invasive squamous cell carcinoma of the true vocal cord treated with hyperfractionation vs conventional fractionation radiotherapy.

  • Compare the acute and late toxic effects of these regimens in this patient population.

  • Compare the overall and disease-free survival patterns in this patient population treated with these regimens.

OUTLINE: This is a randomized study. Patients are stratified according to substage (T2a vs T2b). Patients are randomized to 1 of 2 treatment arms.

  • Arm I: Patients undergo conventional radiotherapy 5 days a week for 5 weeks followed by boost radiotherapy 5 days a week for 2 weeks.

  • Arm II: Patients undergo hyperfractionation radiotherapy 5 days a week for 5 weeks followed by boost radiotherapy 5 days a week for 1.6 weeks.

Patients with biopsy-proven persistent disease at least 6 weeks after completion of radiotherapy undergo salvage surgery with neck dissection (at the discretion of the surgeon).

Patients are followed at 4 weeks, every 3 months for 1 year, every 4 months for 1 year, every 6 months for 3 years, and then annually thereafter.

PROJECTED ACCRUAL: A total of 240 patients will be accrued for this study within 3.2 years.

Study Design

Study Type:
Interventional
Actual Enrollment :
250 participants
Allocation:
Randomized
Intervention Model:
Parallel Assignment
Masking:
None (Open Label)
Primary Purpose:
Treatment
Official Title:
A RANDOMIZED STUDY OF HYPERFRACTIONATION VERSUS CONVENTIONAL FRACTIONATION IN T2 SQUAMOUS CELL CARCINOMA OF THE VOCAL CORD
Study Start Date :
Apr 1, 1996
Actual Primary Completion Date :
Oct 1, 2005
Actual Study Completion Date :
Dec 1, 2016

Arms and Interventions

Arm Intervention/Treatment
Active Comparator: Radiation therapy - conventional fractionation

Radiation therapy - conventional fractionation (70 Gy/2 Gy once per day/7 Weeks) 35 fractions

Radiation: radiation therapy

Experimental: Radiation therapy - hyperfractionation

Radiation therapy - hyperfractionation (79.2 Gy/1.2 b.i.d/6.5 weeks) 66 fractions

Radiation: radiation therapy

Outcome Measures

Primary Outcome Measures

  1. Local Control [From randomization to date of failure (local progression) or death or last follow-up. Analysis occurs after all patients have been potentially followed for 2 years.]

Secondary Outcome Measures

  1. Acute Toxicity [From start of treatment to 90 days]

  2. Late Toxicity [From 91 days after start of treatment to last follow-up.]

  3. Overall Survival [From randomization to date of death or last follow-up. Analysis occurs after all patients have been potentially followed for 2 years]

  4. Disease-free Survival [From randomization to date of failure (local, regional, or distant progression, second primary tumor, or death) or last follow-up. Analysis occurs after all patients have been potentially followed for 2 years.]

Eligibility Criteria

Criteria

Ages Eligible for Study:
18 Years to 120 Years
Sexes Eligible for Study:
All
Accepts Healthy Volunteers:
No
DISEASE CHARACTERISTICS:
  • Histologically proven invasive squamous cell carcinoma of the true vocal cord

  • Stage II (T2a/b N0) disease with bulk of tumor present on vocal cord (i.e., the epicenter) with extension to adjacent areas

  • No verrucal carcinoma or adenocarcinoma

  • No extension to pre-epiglottic space or pyriform sinus

  • No fixed cord or cartilage invasion

  • No evidence of adenopathy, including any of the following:

  • Nodes larger than 1 cm by radiography

  • Nodes containing a low central density consistent with necrosis by radiography

  • Clinically palpable nodes larger than 1 cm and firm in consistency

  • No recurrent or persistent disease

  • No evidence or suspicion of distant metastases

PATIENT CHARACTERISTICS:
Age:
  • 18 and over
Performance status:
  • Karnofsky 60-100%
Life expectancy:
  • Not specified
Hematopoietic:
  • Not specified
Hepatic:
  • Not specified
Renal:
  • Not specified
Other:
  • No other malignancy within the past 5 years except nonmelanomatous skin cancer

  • Not pregnant or nursing

  • Fertile patients must use effective contraception

PRIOR CONCURRENT THERAPY:
Biologic therapy:
  • Not specified
Chemotherapy:
  • No prior chemotherapy
Endocrine therapy:
  • Not specified
Radiotherapy:
  • No prior radiotherapy to the mid-neck or larynx
Surgery:
  • No prior complete stripping or laser excision of all gross disease

Contacts and Locations

Locations

Site City State Country Postal Code
1 University of Alabama at Birmingham Comprehensive Cancer Center Birmingham Alabama United States 35294-3300
2 Comprehensive Cancer Institute of Huntsville Huntsville Alabama United States 35801
3 Huntsville Hospital System Huntsville Alabama United States 35807
4 MBCCOP - Gulf Coast Mobile Alabama United States 36688
5 Alabama Oncology, LLC Montgomery Alabama United States 36106-3657
6 DCH Cancer Treatment Center Tuscaloosa Alabama United States 35401
7 Foundation for Cancer Research and Education Phoenix Arizona United States 85013
8 Mount Diablo Medical Center Concord California United States 94524-4110
9 City of Hope Comprehensive Cancer Center Duarte California United States 91010-3000
10 Saint Agnes Cancer Center Fresno California United States 93720
11 California Cancer Center Fresno California United States 93729-5100
12 Sutter Health West Cancer Research Group Greenbrae California United States 94904
13 Loma Linda University Medical Center Loma Linda California United States 92354
14 Veterans Affairs Medical Center - Long Beach Long Beach California United States 90822
15 Jonsson Comprehensive Cancer Center, UCLA Los Angeles California United States 90025-1781
16 USC/Norris Comprehensive Cancer Center and Hospital Los Angeles California United States 90033-0804
17 CCOP - Bay Area Tumor Institute Oakland California United States 94609-3305
18 Huntington Cancer Center Pasadena California United States 91105
19 Robert and Beverly Lewis Family Cancer Care Center Pomona California United States 91767
20 Radiation Oncology Center - Sacramento Sacramento California United States 95816
21 Radiation Medical Group, Incorporated San Diego California United States 92101
22 UCSF Comprehensive Cancer Center San Francisco California United States 94143-0128
23 O'Connor Hospital San Jose California United States 95128
24 CCOP - Santa Rosa Memorial Hospital Santa Rosa California United States 95403
25 David Grant Medical Center Travis Air Force Base California United States 94535
26 Memorial Hospital Cancer Center Colorado Springs Colorado United States 80909
27 University of Colorado Cancer Center Denver Colorado United States 80010
28 CCOP - Colorado Cancer Research Program, Incorporated Denver Colorado United States 80224
29 Saint Mary's Hospital and Medical Center Grand Junction Colorado United States 81502-1628
30 Hospital of St. Raphael New Haven Connecticut United States 06511
31 CCOP - Christiana Care Health Services Newark Delaware United States 19713
32 University of Florida Health Science Center Gainesville Florida United States 32610-0385
33 Florida Radiation Oncology Group Jacksonville Florida United States 32207
34 Holmes Regional Medical Center Melbourne Florida United States 32901-3276
35 CCOP - Mount Sinai Medical Center Miami Beach Florida United States 33140
36 Veterans Affairs Medical Center - Miami Miami Florida United States 33125
37 Sylvester Cancer Center, University of Miami Miami Florida United States 33136
38 Baptist Hospital of Miami Miami Florida United States 33256-2110
39 MD Anderson Cancer Center Orlando Orlando Florida United States 32806-2134
40 Bay Medical Center Panama City Florida United States 32401
41 Gulf Coast Cancer Treatment Center Panama City Florida United States 32405-4587
42 Sarasota Radiation and Medical Oncology Center Sarasota Florida United States 34233
43 Tallahassee Memorial Healthcare Tallahassee Florida United States 32308
44 H. Lee Moffitt Cancer Center and Research Institute Tampa Florida United States 33612-9497
45 Emory University Hospital - Atlanta Atlanta Georgia United States 30322
46 CCOP - Atlanta Regional Atlanta Georgia United States 30342-1701
47 Medical Center/John B. Amos Community Cancer Center Columbus Georgia United States 31901
48 Regional Radiation Oncology Center at Rome Rome Georgia United States 30165
49 MBCCOP - Hawaii Honolulu Hawaii United States 96813
50 Northwest Community Hospital Arlington Heights Illinois United States 60005
51 Northwestern Memorial Hospital Chicago Illinois United States 60611
52 CCOP - Central Illinois Decatur Illinois United States 62526
53 Ingalls Memorial Hospital Harvey Illinois United States 60426
54 Loyola University Medical Center Maywood Illinois United States 60153
55 Lutheran General Cancer Care Center Park Ridge Illinois United States 60068
56 Methodist Medical Center of Illinois Peoria Illinois United States 61636
57 St. John's Medical Center Anderson Indiana United States 46016
58 Bloomington Hospital Bloomington Indiana United States 47402
59 Veterans Affairs Medical Center - Indianapolis (Roudebush) Indianapolis Indiana United States 46202
60 Clarian Health Partners Inc. Indianapolis Indiana United States 46206-1367
61 Community Regional Cancer Care Indianapolis Indiana United States 46219
62 Ball Memorial Hospital Muncie Indiana United States 47303-3499
63 CCOP - Northern Indiana CR Consortium South Bend Indiana United States 46601
64 Wendt Regional Cancer Center of Finley Hospital Dubuque Iowa United States 52001
65 Central Baptist Hospital Lexington Kentucky United States 40503
66 Albert B. Chandler Medical Center, University of Kentucky Lexington Kentucky United States 40536-0084
67 James Graham Brown Cancer Center Louisville Kentucky United States 40202
68 Louisville Radiation Oncology Louisville Kentucky United States 40215
69 Merle M. Mahr Cancer Center Madisonville Kentucky United States 42431
70 Mary Bird Perkins Cancer Center Baton Rouge Louisiana United States 70809
71 Tulane University School of Medicine New Orleans Louisiana United States 70112-2699
72 MBCCOP - LSU Health Sciences Center New Orleans Louisiana United States 70112
73 CCOP - Ochsner New Orleans Louisiana United States 70121
74 Maine Medical Center Portland Maine United States 04102
75 Anne Arundel Oncology Center Annapolis Maryland United States 21401
76 Marlene and Stewart Greenebaum Cancer Center, University of Maryland Baltimore Maryland United States 21201
77 Greater Baltimore Medical Center and Cancer Center Baltimore Maryland United States 21204
78 Harbor Hospital Center Baltimore Maryland United States 21215-1290
79 Sinai Hospital of Baltimore Baltimore Maryland United States 21215
80 Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins Baltimore Maryland United States 21231-2410
81 Peninsula Regional Medical Center Salisbury Maryland United States 21801
82 Dana-Farber Cancer Institute Boston Massachusetts United States 02115
83 Cape Cod Hospital Hyannis Massachusetts United States 02601
84 Veterans Affairs Medical Center - Boston (Jamaica Plain) Jamaica Plain Massachusetts United States 02130
85 CCOP - Michigan Cancer Research Consortium Ann Arbor Michigan United States 48106
86 University of Michigan Comprehensive Cancer Center Ann Arbor Michigan United States 48109-0010
87 Barbara Ann Karmanos Cancer Institute Detroit Michigan United States 48201-1379
88 Henry Ford Hospital Detroit Michigan United States 48202
89 Hurley Medical Center Flint Michigan United States 48503
90 McLaren Regional Cancer Center Flint Michigan United States 48532-3685
91 CCOP - Kalamazoo Kalamazoo Michigan United States 49007-3731
92 Marquette General Hospital Marquette Michigan United States 49855
93 MidMichigan Medical Center - Midland Midland Michigan United States 48670
94 CCOP - Beaumont Royal Oak Michigan United States 48073-6769
95 William Beaumont Hospital Royal Oak Michigan United States 48073
96 William Beaumont Hospital - Troy Troy Michigan United States 48098
97 Mayo Clinic Cancer Center Rochester Minnesota United States 55905
98 CCOP - Metro-Minnesota Saint Louis Park Minnesota United States 55416
99 Ellis Fischel Cancer Center - Columbia Columbia Missouri United States 65203
100 CCOP - Kansas City Kansas City Missouri United States 64131
101 Mallinckrodt Institute of Radiology Saint Louis Missouri United States 63108
102 St. Louis University Health Sciences Center Saint Louis Missouri United States 63110-0250
103 Cancer Research for the Ozarks Springfield Missouri United States 65807
104 CCOP - Cancer Research for the Ozarks Springfield Missouri United States 65807
105 CCOP - Montana Cancer Consortium Billings Montana United States 59101
106 CCOP - Missouri Valley Cancer Consortium Omaha Nebraska United States 68106
107 Methodist Hospital Cancer Center - Omaha Omaha Nebraska United States 68114
108 Nebraska Health System Omaha Nebraska United States 68198-7460
109 CCOP - Southern Nevada Cancer Research Foundation Las Vegas Nevada United States 89106
110 Norris Cotton Cancer Center Lebanon New Hampshire United States 03756-0002
111 Elliot Regional Cancer Center Manchester New Hampshire United States 03103
112 Veterans Affairs Medical Center - East Orange East Orange New Jersey United States 07019
113 John F. Kennedy Medical Center Edison New Jersey United States 08818
114 Trinitas Hospital - Jersey Street Campus Elizabeth New Jersey United States 07201
115 Monmouth Medical Center Long Branch New Jersey United States 07740-6395
116 South Jersey Regional Cancer Center Millville New Jersey United States 08332
117 Fox Chase Virtua Health Cancer Program at Virtua Memorial Hospital Mount Holly New Jersey United States 08060
118 Cancer Institute of New Jersey New Brunswick New Jersey United States 38103-2807
119 Newark Beth Israel Medical Center Newark New Jersey United States 07112
120 Atlantic City Medical Center Pomona New Jersey United States 08240
121 Valley Hospital Ridgewood New Jersey United States 07450
122 Community Medical Center Toms River New Jersey United States 08755
123 St. Francis Medical Center Trenton New Jersey United States 08629
124 Associated Radiologists, P.A. Warren New Jersey United States 07059
125 Radiation Oncology Associates of Albuquerque Albuquerque New Mexico United States 87109
126 Cancer Center of Albany Medical Center Albany New York United States 12208
127 State University of New York Health Science Center at Brooklyn Brooklyn New York United States 11203
128 New York Methodist Hospital Brooklyn New York United States 11215
129 Roswell Park Cancer Institute Buffalo New York United States 14263-0001
130 Finger Lakes Radiation Oncology Center Clifton Springs New York United States 14432
131 CCOP - North Shore University Hospital Manhasset New York United States 11030
132 Herbert Irving Comprehensive Cancer Center New York New York United States 10032
133 Champlain Valley Physicians Hospital Medical Center Plattsburgh New York United States 12901
134 Vassar Brothers Medical Center Poughkeepsie New York United States 12601
135 James P. Wilmot Cancer Center Rochester New York United States 14642
136 CCOP - Syracuse Hematology-Oncology Associates of Central New York, P.C. Syracuse New York United States 13217
137 Riverhill Radiation Oncology Yonkers New York United States 10701
138 Lineberger Comprehensive Cancer Center, UNC Chapel Hill North Carolina United States 27599-7295
139 Northeast Medical Center Concord North Carolina United States 28025
140 East Carolina University School of Medicine Greenville North Carolina United States 27858-4354
141 CCOP - Southeast Cancer Control Consortium Winston-Salem North Carolina United States 27104-4241
142 Comprehensive Cancer Center at Wake Forest University Winston-Salem North Carolina United States 27157-1082
143 Trinity Cancer Care Center Minot North Dakota United States 58701
144 Akron General Medical Center Akron Ohio United States 44302
145 Akron City Hospital Akron Ohio United States 44304
146 Christ Hospital Cincinnati Ohio United States 45219
147 Barrett Cancer Center Cincinnati Ohio United States 45267-0502
148 Ireland Cancer Center Cleveland Ohio United States 44106-5065
149 University Hospitals of Cleveland Cleveland Ohio United States 44106
150 Cleveland Clinic Taussig Cancer Center Cleveland Ohio United States 44195
151 CCOP - Columbus Columbus Ohio United States 43206
152 Arthur G. James Cancer Hospital - Ohio State University Columbus Ohio United States 43210-1240
153 CCOP - Dayton Dayton Ohio United States 45429
154 CCOP - Toledo Community Hospital Toledo Ohio United States 43623-3456
155 St. Anthony Hospital Oklahoma City Oklahoma United States 73101
156 University of Oklahoma Health Sciences Center Oklahoma City Oklahoma United States 73104
157 St. John Health System Tulsa Oklahoma United States 74104
158 CCOP - Oklahoma Tulsa Oklahoma United States 74136
159 CCOP - Columbia River Program Portland Oregon United States 97225
160 Lehigh Valley Hospital Allentown Pennsylvania United States 18105
161 St. Luke's Hospital Cancer Center Bethlehem Pennsylvania United States 18015
162 Geisinger Medical Center Danville Pennsylvania United States 17822-2001
163 Mercy Fitzgerald Hospital Darby Pennsylvania United States 19023
164 Delaware County Memorial Hospital Drexel Hill Pennsylvania United States 19026
165 Pocono Cancer Center East Stroudsburg Pennsylvania United States 18301
166 Milton S. Hershey Medical Center Hershey Pennsylvania United States 17033-0850
167 Abramson Cancer Center of the University of Pennsylvania Philadelphia Pennsylvania United States 19104-4283
168 Veterans Affairs Medical Center - Philadelphia Philadelphia Pennsylvania United States 19104
169 Kimmel Cancer Center of Thomas Jefferson University - Philadelphia Philadelphia Pennsylvania United States 19107-5541
170 Fox Chase Cancer Center Philadelphia Pennsylvania United States 19111
171 Albert Einstein Cancer Center Philadelphia Pennsylvania United States 19141-3098
172 Mercy Hospital of Pittsburgh Pittsburgh Pennsylvania United States 15219
173 Western Pennsylvania Hospital Pittsburgh Pennsylvania United States 15224
174 University of Pittsburgh Cancer Institute Pittsburgh Pennsylvania United States 15236
175 Reading Hospital and Medical Center Reading Pennsylvania United States 19612-6052
176 Mercy Hospital Cancer Center - Scranton Scranton Pennsylvania United States 18501
177 Wilkes Barre General Hospital Wilkes-Barre Pennsylvania United States 18764
178 York Cancer Center York Pennsylvania United States 17403
179 Roger Williams Medical Center/BUSM Providence Rhode Island United States 02908-4735
180 CCOP - Greenville Greenville South Carolina United States 29615
181 CCOP - Upstate Carolina Spartanburg South Carolina United States 29303
182 Rapid City Regional Hospital Rapid City South Dakota United States 57709
183 Jackson-Madison County General Hospital Jackson Tennessee United States 38301-3956
184 University of Tennessee Cancer Institute Memphis Tennessee United States 38103
185 Vanderbilt-Ingram Cancer Center Nashville Tennessee United States 37232-5671
186 Harrington Cancer Center Amarillo Texas United States 79106
187 University of Texas Medical Branch Galveston Texas United States 77555-0209
188 University of Texas - MD Anderson Cancer Center Houston Texas United States 77030-4009
189 Wilford Hall Medical Center Lackland Air Force Base Texas United States 78236-5300
190 Joe Arrington Cancer Research and Treatment Center Lubbock Texas United States 79410-1894
191 Bayshore Medical Center Pasadena Texas United States 77504
192 Dixie Regional Medical Center Saint George Utah United States 84770
193 University of Utah Health Sciences Center Salt Lake City Utah United States 84132
194 Latter Day Saints Hospital Salt Lake City Utah United States 84143
195 Green Mountain Oncology Group Burlington Vermont United States 05401
196 Vermont Cancer Center Burlington Vermont United States 05405-0075
197 Cancer Center at the University of Virginia Charlottesville Virginia United States 22908
198 RMH Regional Cancer Center Harrisonburg Virginia United States 22801
199 Naval Medical Center, Portsmouth Portsmouth Virginia United States 23708-2197
200 Bon Secours - St. Mary's Hospital Richmond Virginia United States 23226
201 Massey Cancer Center Richmond Virginia United States 23298-0058
202 Virginia Mason Medical Center Seattle Washington United States 98111
203 Deaconess Medical Center Spokane Washington United States 99204
204 Yakima Valley Memorial Hospital Yakima Washington United States 98902
205 Schiffler Cancer Center Wheeling West Virginia United States 26003
206 CCOP - St. Vincent Hospital Cancer Center, Green Bay Green Bay Wisconsin United States 54301
207 St. Vincent Hospital Green Bay Wisconsin United States 54307-3508
208 Gundersen Lutheran Medical Foundation La Crosse Wisconsin United States 54601
209 Southern Wisconsin Radiotherapy Center Madison Wisconsin United States 53713
210 University of Wisconsin Comprehensive Cancer Center Madison Wisconsin United States 53792
211 Marshfield Clinic Marshfield Wisconsin United States 54449
212 Community Memorial Hospital Menomonee Falls Wisconsin United States 53051
213 Columbia Hospital Milwaukee Wisconsin United States 53211
214 St. Luke's Medical Center Milwaukee Wisconsin United States 53215
215 Medical College of Wisconsin Cancer Center Milwaukee Wisconsin United States 53226
216 Veterans Affairs Medical Center - Milwaukee (Zablocki) Milwaukee Wisconsin United States 53295
217 All Saints Cancer Center Racine Wisconsin United States 53405
218 Waukesha Memorial Hospital Regional Cancer Center Waukesha Wisconsin United States 53188
219 Tom Baker Cancer Center - Calgary Calgary Alberta Canada T2N 4N2
220 Cross Cancer Institute Edmonton Alberta Canada T6G 1Z2
221 Saint John Regional Hospital Saint John New Brunswick Canada E2L 4L2
222 Newfoundland Cancer Treatment and Research Foundation St. Johns Newfoundland and Labrador Canada A1B 3V6
223 Nova Scotia Cancer Centre Halifax Nova Scotia Canada B3H 1V7
224 Cancer Care Ontario-Hamilton Regional Cancer Centre Hamilton Ontario Canada L8V 5C2
225 Kingston Regional Cancer Centre Kingston Ontario Canada K7L 5P9
226 Cancer Care Ontario-London Regional Cancer Centre London Ontario Canada N6A 4L6
227 Ottawa Regional Cancer Centre Ottawa Ontario Canada K1H 1C4
228 Northeastern Ontario Regional Cancer Centre, Sudbury Sudbury Ontario Canada P3E 5J1
229 Northwestern Ontario Regional Cancer Centre, Thunder Bay Thunder Bay Ontario Canada P7A 7T1
230 Toronto Sunnybrook Regional Cancer Centre Toronto Ontario Canada M4N 3M5
231 Princess Margaret Hospital Toronto Ontario Canada M5G 2M9
232 CHUS-Hopital Fleurimont Fleurimont Quebec Canada J1H 5N4
233 Centre Hospitalier de l'Universite de Montreal Montreal Quebec Canada H2L 4MI
234 McGill University Montreal Quebec Canada H2W 1S6
235 Centre Hospitalier Universitaire de Quebec Quebec City Quebec Canada G1R 2J6
236 Allan Blair Cancer Centre Regina Saskatchewan Canada S4T 7T1
237 Saskatoon Cancer Centre Saskatoon Saskatchewan Canada S7N 4H4

Sponsors and Collaborators

  • Radiation Therapy Oncology Group
  • National Cancer Institute (NCI)

Investigators

  • Study Chair: Andy M. Trotti, MD, H. Lee Moffitt Cancer Center and Research Institute

Study Documents (Full-Text)

None provided.

More Information

Publications

None provided.
Responsible Party:
Radiation Therapy Oncology Group
ClinicalTrials.gov Identifier:
NCT00002727
Other Study ID Numbers:
  • RTOG-9512
  • CDR0000064597
First Posted:
Jan 27, 2003
Last Update Posted:
Jan 4, 2017
Last Verified:
Dec 1, 2016
Keywords provided by Radiation Therapy Oncology Group
Additional relevant MeSH terms:

Study Results

No Results Posted as of Jan 4, 2017