Analysis of the effect of p16 and tobacco pack-years (p-y) on overall (OS) and progression-free survival (PFS) for patients with oropharynx cancer (OPC) in Radiation Therapy Oncology Group (RTOG) protocol 9003.

2010 ◽  
Vol 28 (15_suppl) ◽  
pp. 5510-5510 ◽  
Author(s):  
M. L. Gillison ◽  
Q. Zhang ◽  
K. Ang ◽  
K. K. Fu ◽  
M. E. Hammond ◽  
...  
Author(s):  
Robert L. Ferris ◽  
Yael Flamand ◽  
Gregory S. Weinstein ◽  
Shuli Li ◽  
Harry Quon ◽  
...  

PURPOSE Definitive or postoperative chemoradiation (CRT) is curative for human papillomavirus–associated (HPV+) oropharynx cancer (OPC) but induces significant toxicity. As a deintensification strategy, we studied primary transoral surgery (TOS) and reduced postoperative radiation therapy (RT) in intermediate-risk HPV+ OPC. METHODS E3311 is a phase II randomized trial of reduced- or standard-dose postoperative RT for resected stage III-IVa (American Joint Committee on Cancer-seventh edition) HPV+ OPC, determined by pathologic parameters. Primary goals were feasibility of prospective multi-institutional study of TOS for HPV+ OPC, and oncologic efficacy (2-year progression-free survival) of TOS and adjuvant therapy in intermediate-risk patients after resection. TOS plus 50 Gy was considered promising if the lower limit of the exact 90% binomial confidence intervals exceeded 85%. Quality of life and swallowing were measured by functional assessment of cancer therapy-head and neck and MD Anderson Dysphagia Index. RESULTS Credentialed surgeons performed TOS for 495 patients. Eligible and treated patients were assigned as follows: arm A (low risk, n = 38) enrolled 11%, intermediate risk arms B (50 Gy, n = 100) or C (60 Gy, n = 108) randomly allocated 58%, and arm D (high risk, n = 113) enrolled 31%. With a median 35.2-month follow-up for 359 evaluable (eligible and treated) patients, 2-year progression-free survival Kaplan-Meier estimate is 96.9% (90% CI, 91.9 to 100) for arm A (observation), 94.9% (90% CI, 91.3 to 98.6]) for arm B (50 Gy), 96.0% (90% CI, 92.8 to 99.3) for arm C (60 Gy), and 90.7% (90% CI, 86.2 to 95.4) for arm D (66 Gy plus weekly cisplatin). Treatment arm distribution and oncologic outcome for ineligible or step 2 untreated patients (n = 136) mirrored the 359 evaluable patients. Exploratory comparison of functional assessment of cancer therapy-head and neck total scores between arms B and C is presented. CONCLUSION Primary TOS and reduced postoperative RT result in outstanding oncologic outcome and favorable functional outcomes in intermediate-risk HPV+ OPC.


1997 ◽  
Vol 15 (3) ◽  
pp. 1013-1021 ◽  
Author(s):  
M V Pilepich ◽  
R Caplan ◽  
R W Byhardt ◽  
C A Lawton ◽  
M J Gallagher ◽  
...  

PURPOSE Although androgen suppression results in a tumor response/remission in the majority of patients with carcinoma of the prostate, its potential value as an adjuvant has not been substantiated. MATERIALS AND METHODS In 1987, the Radiation Therapy Oncology Group (RTOG) initiated a randomized phase III trial of adjuvant goserelin in definitively irradiated patients with carcinoma of the prostate. A total of 977 patients had been accessioned to the study. Of these, 945 remained analyzable: 477 on the adjuvant arm and 468 on the observation arm. RESULTS Actuarial projections show that at 5 years, 84% of patients on the adjuvant goserelin arm and 71% on the observation arm remain without evidence of local recurrence (P < .0001). The corresponding figures for freedom from distant metastases and disease-free survival are 83% versus 70% (P < .001) and 60% and 44% (P < .0001). If prostate-specific antigen (PSA) level greater than 1.5 ng is included as a failure (after > or = 1 year), the 5-year disease-free survival rate on the adjuvant goserelin arm is 53% versus 20% on the observation arm (P < .0001). The 5-year survival rate (for the entire population) is 75% on the adjuvant arm versus 71% on the observation arm (P = .52). However, in patients with centrally reviewed tumors with a Gleason score of 8 to 10, the difference in actuarial 5-year survival (66% on the adjuvant goserelin arm v 55% on the observation arm) reaches statistical significance (P = .03). CONCLUSION Application of androgen suppression as an adjuvant to definitive radiotherapy has been associated with a highly significant improvement in local control and freedom from disease progression. At this point, with a median follow-up time of 4.5 years, a significant improvement in survival has been observed only in patients with centrally reviewed tumors with a Gleason score of 8 to 10.


2006 ◽  
Vol 24 (18_suppl) ◽  
pp. 1500-1500 ◽  
Author(s):  
E. G. Shaw ◽  
B. Berkey ◽  
S. W. Coons ◽  
D. Brachman ◽  
J. C. Buckner ◽  
...  

1500 Background: Treatment of adult LGG is controversial. Favorable patients (pts) (age <40 years [yrs] who undergo gross total resection [GTR]) are typically observed. Unfavorable pts (age ≥40 who have subtotal resection [STR] or biopsy [B]) are usually given initial radiation therapy (RT), reserving chemotherapy (historically procarbazine, CCNU and vincristine [PCV]) for recurrence. In 1998, the RTOG, in conjunction with SWOG, NCCTG, and ECOG initiated prospective studies of adult LGG, the results of which are reported herein. Methods: Favorable pts were observed postoperatively in a single arm Phase II study (Arm 1). Unfavorable pts were stratified by age, histology, KPS, and presence/absence of contrast enhancement on preoperative magnetic resonance imaging and randomized to either RT alone (54Gy in 30 fractions to a local treatment field) (Arm 2) or RT followed by 6 cycles of standard dose PCV (Arm 3). Reported results include overall survival (OS) rate, median overall survival time (MOST), progression-free survival (PFS) rate, and median progression-free survival time (MPFST). Survival data are compared using Wilcoxon p-values. Results: A total of 362 eligible/analyzable pts were accrued between 1998 and 2002. Median follow-up time is 4 years. For the 111 favorable pts observed on Arm 1, OS at 2- and 5-yrs is 99% and 94%. PFS at 2- and 5-yrs is 82% and 50%. For the 251 unfavorable pts on Arms 2 (RT alone) and 3 (RT+PCV), there was no difference in OS or PFS. OS at 2- and 5-yrs was 87% and 61% with RT alone versus (vs) 86% and 70% with RT+PCV (p=0.72). MOST was not reached in RT alone pts and was 6.0 yrs in RT+PCV pts. PFS at 2- and 5-yrs was 73% and 39% with RT alone vs 72% and 61% with RT+PCV (p=0.38). MPFST was 4.0 yrs with RT alone vs 6.0 yrs with RT+PCV. Acute grade 3–4 toxicity occurred in 9% of pts who received RT alone, 67% who received RT+PCV (mostly hematologic). There were no treatment deaths on either arm. Conclusions: 5-yr PFS was poor in all three arms ranging from 39% to 61%. Only half of favorable pts were disease-free at 5 yrs. In unfavorable pts, there was no OS advantage with the addition of PCV to RT. Both PFS and MPFST were better with the addition of PCV, but not significantly. Analysis of outcome by 1p19q status is pending. No significant financial relationships to disclose.


2014 ◽  
Vol 32 (8) ◽  
pp. 783-790 ◽  
Author(s):  
J. Gregory Cairncross ◽  
Meihua Wang ◽  
Robert B. Jenkins ◽  
Edward G. Shaw ◽  
Caterina Giannini ◽  
...  

Purpose Patients with 1p/19q codeleted anaplastic oligodendroglial tumors who participated in RTOG (Radiation Therapy Oncology Group) 9402 lived much longer after chemoradiotherapy (CRT) than radiation therapy (RT) alone. However, some patients with noncodeleted tumors also benefited from CRT; survival curves separated after the median had been reached, and significantly more patients lived ≥ 10 years after CRT than RT. Thus, 1p/19q status may not identify all responders to CRT. Patients and Methods Using trial data, we inquired whether an IDH mutation or germ-line polymorphism associated with IDH-mutant gliomas identified the patients in RTOG 9402 who benefited from CRT. Results IDH status was evaluable in 210 of 291 patients; 156 (74%) had mutations. rs55705857 was evaluable in 245 patients; 76 (31%) carried the G risk allele. Both were associated with longer progression-free survival after CRT, and mutant IDH was associated with longer overall survival (9.4 v 5.7 years; hazard ratio [HR], 0.59; 95% CI, 0.40 to 0.86; P = .006). For those with wild-type tumors, CRT did not prolong median survival (1.3 v 1.8 years; HR, 1.14; 95% CI, 0.63 to 2.04; P = .67) or 10-year survival rate (CRT, 6% v RT, 4%). Patients with codeleted mutated tumors (14.7 v 6.8 years; HR, 0.49; 95% CI, 0.28 to 0.85; P = .01) and noncodeleted mutated tumors (5.5 v 3.3 years; HR, 0.56; 95% CI, 0.32 to 0.99; P < .05) lived longer after CRT than RT. Conclusion IDH mutational status identified patients with oligodendroglial tumors who did (and did not) benefit from alkylating-agent chemotherapy with RT. Although patients with codeleted tumors lived longest, patients with noncodeleted IDH-mutated tumors also lived longer after CRT.


2012 ◽  
Vol 22 (1) ◽  
pp. 123-131 ◽  
Author(s):  
Akila N. Viswanathan ◽  
Jennifer Moughan ◽  
William Small ◽  
Charles Levenback ◽  
Revathy Iyer ◽  
...  

PurposeThe objective of the study was to determine the impact of brachytherapy implant quality on outcome among cervical cancer patients treated on Radiation Therapy Oncology Group prospective trials 0116 and 0128.MethodsAll enrolled patients received concurrent chemoradiation followed by brachytherapy. Individual brachytherapy parameters, including the symmetry of ovoids in relation to the tandem, displacement of ovoids in relation to the cervical os, tandem bisecting the ovoids, tandem in the midpelvis, and appropriateness of packing, were scored for each implant. Multivariate Cox proportional hazards models were constructed for each parameter for local recurrence (LR), regional recurrence, distant recurrence, disease-free survival (DFS), and overall survival.ResultsRecords for 103 patients were analyzed. The median follow-up time was 24.5 months. Patients with unacceptable symmetry of ovoids to the tandem had a significantly higher risk of LR than patients in the acceptable group (hazard ratio [HR], 2.67; 95% confidence interval [CI], 1.11–6.45;P= 0.03). Patients with displacement of ovoids in relation to the cervical os had a significantly increased risk of LR (HR, 2.50; 95% CI, 1.05–5.93;P= 0.04) and a lower DFS rate (HR, 2.28; 95% CI, 1.18–4.41;P= 0.01). Inappropriate placement of packing resulted in a lower DFS rate (HR, 2.06; 95% CI, 1.08–3.92;P= 0.03).ConclusionsAssessment of the quality of a brachytherapy implant is imperative, as proper placement has an impact on patient DFS. If feasible, inappropriate placements should be corrected before treatment initiation. Brachytherapy applicators for cervical cancer should preferably be placed and assessed by experienced practitioners.


2014 ◽  
Vol 32 (25) ◽  
pp. 2744-2749 ◽  
Author(s):  
David Scott Miller ◽  
John A. Blessing ◽  
Lois M. Ramondetta ◽  
Huyen Q. Pham ◽  
Krishnansu S. Tewari ◽  
...  

Purpose To estimate the antitumor activity of pemetrexed and cisplatin with objective tumor response (partial and complete) in patients with advanced, persistent, or recurrent carcinoma of the cervix and to determine the nature and degree of toxicity of this regimen. Secondarily, this study will determine the effects of this regimen on progression-free survival and overall survival. Patients and Methods Eligible, consenting patients received pemetrexed 500 mg/m2 and cisplatin 50 mg/m2 intravenously repeated every 21 days until disease progression or adverse events prohibited further therapy. Patients received no prior therapeutic chemotherapy, except when administered concurrently with primary radiation therapy. Subsequent doses were adjusted according to observed toxicity and protocol guidelines. Adverse events were assessed with Common Terminology Criteria for Adverse Events v 3.0. The primary measure of efficacy was tumor response according to Response Evaluation Criteria in Solid Tumors. The study was stratified by prior radiation therapy. Results From September 2008 to November 2011, 55 patients were enrolled by five Gynecologic Oncology Group member institutions; of those, 54 patients were eligible and assessable. The regimen was well tolerated with 26% receiving more than nine cycles. The most common greater than grade 2 toxicities were neutropenia 35%, leukopenia 28%, and metabolic 28%. The overall response rate was 31% (one complete and 16 partial). The median progression-free survival was 5.7 months, and overall survival was 12.3 months. Conclusion Pemetrexed in combination with cisplatin demonstrates activity in the treatment of advanced, persistent, or recurrent carcinoma of the cervix.


2012 ◽  
Vol 30 (25) ◽  
pp. 3065-3070 ◽  
Author(s):  
Edward G. Shaw ◽  
Meihua Wang ◽  
Stephen W. Coons ◽  
David G. Brachman ◽  
Jan C. Buckner ◽  
...  

PurposeA prior Radiation Therapy Oncology Group (RTOG) clinical trial in anaplastic oligodendroglioma suggested a progression-free survival benefit for procarbazine, lomustine, and vincristine (PCV) chemotherapy in addition to radiation therapy (RT), as have smaller trials in low-grade glioma (LGG).Patients and MethodsEligibility criteria included supratentorial WHO grade 2 LGG, age 18 to 39 years with subtotal resection/biopsy, or age ≥ 40 years with any extent resection. Patients were randomly assigned to RT alone or RT followed by six cycles of PCV. Survival was compared by using the modified Wilcoxon and log-rank tests.ResultsIn all, 251 patients were accrued from 1998 to 2002. Median overall survival (OS) time and 5-year OS rates for RT versus RT + PCV were 7.5 years versus not reached and 63% versus 72%, respectively (hazard ratio [HR]; 0.72; 95% CI, 0.47 to 1.10; P = .33; log-rank P = .13). Median progression-free survival (PFS) time and 5-year PFS rates for RT versus RT + PCV were 4.4 years versus not reached and 46% versus 63%, respectively (HR, 0.6; 95% CI, 0.41 to 0.86; P = .06; log-rank P = .005). OS and PFS were similar for all patients between years 0 and 2. After 2 years, OS and PFS curves separated significantly, favoring RT + PCV. For 2-year survivors (n = 211), the probability of OS for an additional 5 years was 74% with RT + PCV versus 59% with RT alone (HR, 0.52; 95% CI, 0.30 to 0.90; log-rank P = .02).ConclusionPFS but not OS was improved for adult patients with LGG receiving RT + PCV versus RT alone. On post hoc analysis, for 2-year survivors, the addition of PCV to RT conferred a survival advantage, suggesting a delayed benefit for chemotherapy.


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