A randomized phase III multicenter trial of neoadjuvant docetaxel plus cisplatin and 5-fluorouracil (TPF) versus neoadjuvant PF in patients with locally advanced unresectable squamous cell carcinoma of the head and neck (SCCHN). Final analysis of EORTC 24971

2006 ◽  
Vol 24 (18_suppl) ◽  
pp. 5516-5516 ◽  
Author(s):  
E. Remenar ◽  
C. Van Herpen ◽  
J. Germa Lluch ◽  
S. Stewart ◽  
T. Gorlia ◽  
...  

5516 Background: So far, the Wayne State regimen combining 100 mg/m2 cisplatin on day 1 and 1000 mg/m2/d continuous infusion 5-fluorouracil over 5 days (PF), is the gold standard in advanced SCCHN. Improvement of PF induction chemotherapy by adding a taxane has been suggested from phase II studies and 2 randomized phase III trials. We now report the final analysis of EORTC 24971. Methods: Eligible were patients (pts) with unresectable stage III/IV SCCHN (no distant metastases), 18 to 70 yrs of age, PS≤1, and adequate hematologic, renal and hepatic function. Pts were stratified by primary disease site (oral cavity, oropharynx, hypopharynx, larynx) and treatment center and randomized to PF (as above) or TPF (T 75 mg/m2/1h, P 75 mg/m2/1h, both d1, F 750 mg/m2/d, d1–5) q 3 wks, for 4 cycles unless progression (PD) or unacceptable toxicity, or refusal. Thereafter (interval 4–7 wks), all pts not in PD received radiotherapy (RT: conventional [66–70 Gy], accelerated [max. 70 Gy] / hyperfractionated [max. 74 Gy]). Surgery was allowed before RT (neck) or 3 months after RT (primary, neck). Primary endpoint was progression-free survival (PFS), and 348 pts and 260 events were needed to detect a 50% increase in median PFS (10 vs 15 mo) with 85% power. Results: Between April 1999 and March 2002, 358 pts were accrued (181 PF, 177 TPF). At a median follow-up (FUP) of 32 mo, PFS was significantly improved with TPF (HR 0.72, p = 0.0071; median 8.2 vs 11.0 mo). A 51 mo median FUP showed an overall survival (OS) benefit with TPF (HR 0.71, p = 0.0052; median 14.2 vs 18.6 mo). Estimated 3-yr survival rates are 23.9% (95% CI: 17.9%;30.5%) for PF and 36.5% (29.3%;43.6%) for TPF. Response rate also favored TPF (53.6% vs 67.8%, p = 0.006). There was more severe (G3+4) leucopenia (41.6% vs 22.9%) and neutropenia (76.9% vs 52.5%) with TPF, and more severe thrombocytopenia with PF (17.9% vs 5.2%). Severe alopecia occured more with TPF (55.5% vs 11.7%); hearing loss (2.8% vs 0%) and toxic death (7.8% vs 3.7%) more with PF. Conclusions: TPF (→ RT) is superior to PF (→ RT) for PFS, OS (including long-term), response rate, and is better tolerated. [Table: see text]

2007 ◽  
Vol 25 (18_suppl) ◽  
pp. 7721-7721 ◽  
Author(s):  
J. S. Lee ◽  
J. Han ◽  
S. Yu ◽  
S. Yoon ◽  
E. Lim ◽  
...  

7721 Background: Etoposide/cisplatin (EP) is the most widely used regimen resulting in a median survival of 8–10 mos and 17–20 mos respectively for patients (pts) with extensive-disease (ED) and limited-disease (LD). Encouraged by a phase III trial result that showed better survival outcome after Irinotecan/cisplatin (IP) combination as compared with EP, we previously reported promising activity of IP regimen for LD-SCLC and also for ED-SCLC. To further evaluate the role of IP in SCLC pts, we conducted two additional phase II studies. Methods: Between May 2003 and June 2006, a total of 196 SCLC pts (ED: 120, LD: 76) were enrolled in two separate trials. All pts were chemo-naive and ECOG PS of 0–2. Pts with ED-SCLC received irinotecan 60 mg/m2 intravenously (IV) and cisplatin 30 mg/m2 IV on days 1 and 8 every 21 days for 8 cycles followed by 6 cycles of irinotecan maintenance or observation. Treatment for LD-SCLC consisted of two 28-day cycles of cisplatin 30 mg/m2 IV on days 1 and 8 plus irinotecan 60 mg/m2 IV on days 1, 8, and 15, followed by two 21-day cycles of cisplatin 60 mg/m2 IV on day 1, plus etoposide 100 mg/m2 IV on days 1 to 3 with concurrent twice-daily thoracic radiation of total 45 Gy. Hoping to modify the treatment-related toxicity, 36 pts were given epoietin and 20 were given amifostine while 15 received neither during the concurrent chemo-radiation therapy. Results: For ED- SCLC, overall response rate was 92.6% with CR rate of 11.1%. The median survival was 13.8 mos (95% CI, 12.2 to15.3) with 1-and 2-year survival rates of 58.6% and 18.9%. The median progression-free survival (PFS) was 7.3 mos with 1-and 2-year PFS rates of 18.1% and 5.4%. Irinotecan maintenance did not affect the outcome, however. For LD-SCLC, the response rate was 97.1% with CR rate of 44.9%. The median survival was 24.9 mos (95% CI, 18.5 to 31.3) with 1-and 2-year survival rates of 75.2% and 51.4%. The median PFS was 11.0 mos (95% CI, 7.8–14.2) with 1-year PFS rates of 46.8%. The most common toxicity associated with IP treatment was grade 3 or 4 neutropenia (64.6% for ED, 45.3% for LD). Grade 3 diarrhea was developed in 12.4% for ED and 4% for LD pts. Conclusion: Significant antitumor activity of IP chemotherapy as shown suggests further progress in SCLC therapy. No significant financial relationships to disclose.


2021 ◽  
Vol 39 (18_suppl) ◽  
pp. LBA2-LBA2
Author(s):  
Rui-hua Xu ◽  
Hai-Qiang Mai ◽  
Qiu-Yan Chen ◽  
Dongping Chen ◽  
Chaosu Hu ◽  
...  

LBA2 Background: Gemcitabine-cisplatin (GP) chemotherapy is the standard 1st line treatment for locally advanced, recurrent or metastatic (r/m) NPC. Toripalimab, a humanized IgG4K monoclonal antibody specific for PD-1, provided durable responses in patients (pts) with r/m NPC as monotherapy in the ≥2nd line setting (POLARIS-02 study). The results of JUPITER-02, a randomized, placebo-controlled, double-blinded Phase III trial of toripalimab in combination with GP chemotherapy as first-line treatment for r/m NPC are summarized. Methods: Pts with advanced NPC with no prior chemotherapy in the r/m setting were randomized (1:1) to receive toripalimab 240 mg or placebo d1 in combination with gemcitabine 1000 mg/m2 d1, d8 and cisplatin 80 mg/m2 d1 every 3 weeks (Q3W) for up to 6 cycles, followed by monotherapy with toripalimab or placebo Q3W until disease progression, intolerable toxicity, or completion of 2 years of treatment. Stratification factors were ECOG PS (0 vs. 1) and extent of disease (recurrent vs. primary metastatic) at enrollment. Progression-free survival (PFS) and response were assessed by independent review committee (IRC) per RECIST v1.1. The primary endpoint was PFS by IRC in the ITT population. Secondary end points included ORR, DOR and OS. There was one prespecified interim analysis of PFS at 130 PFS events with a planned final analysis at 200 PFS events. Results: 289 pts were randomized: 146 to the toripalimab arm and 143 to the placebo arm. By May 30, 2020 as the interim analysis cutoff date, the median treatment duration was 39 weeks in the toripalimab arm and 36 weeks in the placebo arm. A significant improvement in PFS was detected for the toripalimab arm compared to the placebo arm (HR = 0.52 [95% CI: 0.36-0.74] two-sided p = 0.0003), with median PFS of 11.7 vs. 8.0 months. The 1-year PFS rates were 49% and 28% respectively. An improvement in PFS was observed across relevant subgroups, including all PD-L1 subgroups. The ORR was 77.4% vs. 66.4% (P = 0.033) and the median DOR was 10.0 vs. 5.7 months (HR = 0.50 [95% CI: 0.33-0.78]). As of Jan 15, 2021, OS was not mature, with 25 deaths in the toripalimab arm and 35 in the placebo arm (HR = 0.68 [95% CI: 0.41-1.14], P = 0.14). The incidence of Grade ≥3 adverse events (AEs) (89.0% vs 89.5%); AEs leading to discontinuation of toripalimab/placebo (7.5% vs 4.9%); and fatal AEs (2.7% vs 2.8%) were similar between two arms; however, immune-related (irAEs) (39.7% vs. 18.9%) and Grade ≥3 irAEs (7.5% vs. 0.7%) were more frequent in the toripalimab arm. Conclusions: The addition of toripalimab to GP chemotherapy as 1st-line treatment for pts with advanced NPC provided superior PFS and ORR and longer DOR than GP alone with a manageable safety profile. These results support the use of toripalimab with GP chemotherapy as the new standard care for this population. Clinical trial information: NCT03581786.


2018 ◽  
Vol 36 (28) ◽  
pp. 2836-2844 ◽  
Author(s):  
Yelena Y. Janjigian ◽  
Johanna Bendell ◽  
Emiliano Calvo ◽  
Joseph W. Kim ◽  
Paolo A. Ascierto ◽  
...  

Purpose Metastatic esophagogastric cancer treatments after failure of second-line chemotherapy are limited. Nivolumab demonstrated superior overall survival (OS) versus placebo in Asian patients with advanced gastric or gastroesophageal junction cancers. We assessed the safety and efficacy of nivolumab and nivolumab plus ipilimumab in Western patients with chemotherapy-refractory esophagogastric cancers. Patients and Methods Patients with locally advanced or metastatic chemotherapy–refractory gastric, esophageal, or gastroesophageal junction cancer from centers in the United States and Europe received nivolumab or nivolumab plus ipilimumab. The primary end point was objective response rate. The association of tumor programmed death-ligand 1 status with response and survival was also evaluated. Results Of 160 treated patients (59 with nivolumab 3 mg/kg, 49 with nivolumab 1 mg/kg plus ipilimumab 3 mg/kg, 52 with nivolumab 3 mg/kg plus ipilimumab 1 mg/kg), 79% had received two or more prior therapies. At the data cutoff, investigator-assessed objective response rates were 12% (95% CI, 5% to 23%), 24% (95% CI, 13% to 39%), and 8% (95% CI, 2% to 19%) in the three groups, respectively. Responses were observed regardless of tumor programmed death-ligand 1 status. With a median follow-up of 28, 24, and 22 months across the three groups, 12-month progression-free survival rates were 8%, 17%, and 10%, respectively; 12-month OS rates were 39%, 35%, and 24%, respectively. Treatment-related grade 3/4 adverse events were reported in 17%, 47%, and 27% of patients in the three groups, respectively. Conclusion Nivolumab and nivolumab plus ipilimumab demonstrated clinically meaningful antitumor activity, durable responses, encouraging long-term OS, and a manageable safety profile in patients with chemotherapy-refractory esophagogastric cancer. Phase III studies evaluating nivolumab or nivolumab plus ipilimumab in earlier lines of therapy for esophagogastric cancers are underway.


2012 ◽  
Vol 30 (15_suppl) ◽  
pp. 7042-7042
Author(s):  
Daizo Kishino ◽  
Naoyuki Nogami ◽  
Yoshihiko Segawa ◽  
Keisuke Aoe ◽  
Hiroshi Ueoka ◽  
...  

7042 Background: We previously reported an efficacy and safety of fractionated schedule ofP and docetaxel (D) (days 1, 8, 29, and 36, each) and concurrent TRT (DP-TRT) for LA-NSCLC (JCO 2010). Although the median survival time (MST: 26.3 months) was excellent, grade 3 or greater pneumonitis (10%) and esophagitis (14%) were observed and treatment-related death was 3%.Thus, further improvement in the safety as well as efficacy is strongly warranted. S, an oral fluoropyrimidine, is a new active agent possessing a radio-sensitizing effect. Additionally, combining S and P offered an active and safe regimen for metastatic NSCLC. The objective of this study was to assess the efficacy and safety of S + P with concurrent TRT for LA-NSCLC. Methods: Patients with stage IIIA/IIIB, aged ≤75 years and PS 0-1, and without any prior chemotherapy were eligible for this study. Patients were treated with P (40 mg/m² on day 1, 8, 29 and 36) and S (40 mg/m²/dose b.i.d. on days 1-14 and 29-42) and TRT (60 Gy/30 fr over 6 weeks starting on day 1). Primary endpoint was response rate (RR), and required sample size was 48 patients. Results: Between 2006 and 2009, 48 patients were enrolled (37 men; median age, 66 years; PS 0/1, 36/14; IIIA/IIIB, 23/25; sq/non-sq, 22/26). Partial response was observed in 37 patients (77%; 95% confidence interval: 63-88%). The response rate was higher in older patients (≥65 yrs) than younger (<65 yrs) (89% vs. 64%, p=0.041). At a median follow-up of 40 months, median progression-free survival and MST were 9.3 months and 31.3 months, respectively. No difference in efficacy (response and survivals) was observed stratified by histology (sq vs. non-sq). Toxicities were generally mild, including G3/4 neutropenia (44%), G3/4 thrombocytopenia (13%), G3 febrile neutropenia (8%) and G3 pneumonitis (4%). No one developed Gr3/4 esophagitis. No toxic deaths occurred. Conclusions: This chemoradiotherapy regimen yielded a favorable overall survival data. Also, it was well-tolerated in patients with LA-NSCLC as compared with concurrent DP-TRT therapy especially in term of TRT-related toxicities. A phase III trial of this regimen vs. DP-TRT is now planned.


2016 ◽  
Vol 34 (4_suppl) ◽  
pp. 192-192 ◽  
Author(s):  
Ghassan K. Abou-Alfa ◽  
Donna Niedzwieski ◽  
Jennifer J. Knox ◽  
Andreas Kaubisch ◽  
James Posey ◽  
...  

192 Background: An exploratory analysis of a randomized phase II study in HCC comparing doxorubicin (D) alone to doxorubicin plus sorafenib (D+S) showed a significant improvement in overall survival favoring D+S (JAMA, 2011). The results appeared promising compared to the historic outcomes seen in the pivotal sorafenib (S) trials. CALGB 80802 was designed to determine if D+S improved survival compared to S alone. Methods: Patients with histologically proven advanced HCC, no prior systemic therapy and Child-Pugh A were randomized to receive D 60 mg/m2 every 21 days plus S 400 mg PO twice daily (D+S) or S alone. For bilirubin ≥ 1.3x normal, D and S doses were halved. D was maxed out at 360 mg/m2. The study was stratified by extent of disease (locally advanced; metastatic), the primary endpoint was overall survival (OS); and secondary endpoint progression-free survival (PFS). The final analysis was to occur when 364 events were observed among 480 total patients, with 90% power to detect a 37% increase in median OS (10.7 to 14.7 months; 1-sided α = 0.05). Results: The Alliance DSMB halted the study after accrual of 346 patients (173 on each of D+S and S) when a futility boundary was crossed at a planned interim analysis. With 107 events in each arm, median OS was 9.3 months (95%CI 7.1-12.9) for D+S, and 10.5 months (95% CI 7.4-14.3) for S with a hazard ratio (HR) 1.06 (95% CI 0.8-1.4) for D+S vs. S. Median PFS was 3.6 (95% CI 2.8-4.6) and 3.2 months (95% CI 2.3-4.1), respectively (HR = 0.90, 95% CI 0.72-1.2). There were 38 deaths on treatment: 18 on D+S and 20 on S. Among these 8 [sepsis (1), dysphagia (1), pneumonia (1), cardiac (2), hepatic failure (2), and not otherwise specified (1)] on D+S, and 3 [fatigue (1), hepatic failure (1), and a secondary malignancy (1)] on S, were at least possibly related to treatment. A maximum grade 3 or 4 only hematologic adverse events (AE) occurred in 37.8% of patients on D+S and 8.1% of patients on S. Non-hematologic AEs were comparable, in 63.6% and 61.5% of patients, respectively. Conclusions: The addition of D to S resulted in higher toxicity and did not improve OS or PFS. The S median OS of about 10 months is consistent with previous reports. NCI Grant U10CA180821 Clinical trial information: NCT01015833.


2013 ◽  
Vol 31 (28) ◽  
pp. 3501-3508 ◽  
Author(s):  
Shukui Qin ◽  
Yuxian Bai ◽  
Ho Yeong Lim ◽  
Sumitra Thongprasert ◽  
Yee Chao ◽  
...  

Purpose To determine whether FOLFOX4 (infusional fluorouracil, leucovorin, and oxaliplatin) administered as palliative chemotherapy to patients with advanced hepatocellular carcinoma (HCC) provides a survival benefit and efficacy versus doxorubicin. Patients and Methods This multicenter, open-label, randomized, phase III study in mainland China, Taiwan, Korea, and Thailand involved 371 patients age 18 to 75 years who had locally advanced or metastatic HCC and were ineligible for curative resection or local treatment. They were randomly assigned at a ratio of one to one to receive either FOLFOX4 (n = 184) or doxorubicin (n = 187). The primary end point was overall survival (OS); secondary end points included progression-free survival (PFS), response rate (RR) by RECIST (version 1.0), and safety. Results At the prespecified final analysis, median OS was 6.40 months with FOLFOX4 (95% CI, 5.30 to 7.03) and 4.97 months with doxorubicin (95% CI, 4.23 to 6.03; P = .07; hazard ratio [HR], 0.80; 95% CI, 0.63 to 1.02). Median PFS was 2.93 months with FOLFOX4 (95% CI, 2.43 to 3.53), and 1.77 months with doxorubicin (95% CI, 1.63 to 2.30; P < .001; HR, 0.62; 95% CI, 0.49 to 0.79). RR was 8.15% with FOLFOX4 and 2.67% with doxorubicin (P = .02). On continued follow-up, the trend toward increased OS with FOLFOX4 was maintained (P = .04; HR, 0.79; 95% CI, 0.63 to 0.99). Toxicity was consistent with previous experiences with FOLFOX4; proportions of grade 3 to 4 adverse events were similar between treatments. Conclusion Although the study did not meet its primary end point, the trend toward improved OS with FOLFOX4, along with increased PFS and RR, suggests that this regimen may confer some benefit to Asian patients, but an OS benefit cannot be concluded from these data.


2018 ◽  
Vol 36 (31) ◽  
pp. 3084-3090 ◽  
Author(s):  
Yungan Tao ◽  
Anne Auperin ◽  
Christian Sire ◽  
Laurent Martin ◽  
Cedric Khoury ◽  
...  

Purpose To investigate the effect of adding concurrent chemotherapy (CT) to cetuximab plus radiotherapy (RT; CT-cetux-RT) compared with cetuximab plus RT (cetux-RT) in locally advanced squamous cell carcinoma of the head and neck (LA-SCCHN). Patients and Methods In this phase III randomized trial, patients with N0-2b, nonoperated, stage III or IV (nonmetastatic) LA-SCCHN were enrolled. Patients received once-daily RT up to 70 Gy with weekly cetuximab or with weekly cetuximab and concurrent carboplatin and fluorouracil (three cycles). To detect a hazard ratio (HR) of 0.64 for progression-free survival (PFS) with 85% power at a two-sided significance level of P = .05, 203 patients needed to be included in each arm. Results Four hundred six patients were randomly assigned to either CT-cetux-RT or cetux-RT. Patient and tumor characteristics were well balanced between arms, including p16 status. With a median follow-up of 4.4 years, the HR for PFS favored the CT-cetux-RT arm (HR, 0.73; 95% CI, 0.57 to 0.94; P = .015), with 3-year PFS rates of 52.3% and 40.5% and median PFS times of 37.9 and 22.4 months in the CT-cetux-RT and cetux-RT arms, respectively. The HR for locoregional control was 0.54 (95% CI, 0.38 to 0.76; P < .001) in favor of CT-cetux-RT. These benefits were observed regardless of p16 status for oropharynx carcinomas. Overall survival (HR, 0.80; P = .11) and distant metastases rates (HR, 1.19; P = .50) were not significantly different between the two arms. The CT-cetux-RT arm, compared with cetux-RT, had a higher incidence of grade 3 or 4 mucositis (73% v 61%, respectively; P = .014) and of hospitalizations for toxicity (42% v 22%, respectively; P < .001). Conclusion The addition of concurrent carboplatin and fluorouracil to cetux-RT improved PFS and locoregional control, with a nonsignificant gain in survival. To our knowledge, this is the first evidence of a clinical benefit for treatment intensification using cetux-RT as a backbone in LA-SCCHN.


2009 ◽  
Vol 27 (15_suppl) ◽  
pp. 8039-8039
Author(s):  
V. Hirsh ◽  
R. Ramlau ◽  
J. von Pawel ◽  
P. Zatloukal ◽  
G. Vera ◽  
...  

8039 Background: AVAiL, an international placebo-controlled phase III trial, showed that Bv-based therapy significantly improved PFS and response rate in patients with advanced/recurrent NSCLC. This report summarizes overall safety findings from AVAiL. Methods: AVAiL randomized 1,043 patients with untreated locally advanced, metastatic or recurrent non-squamous NSCLC to C 80mg/m2 (d1) and G 1,250mg/m2 (d1 and d8) q3w for up to 6 cycles plus either Bv 7.5mg/kg q3w (n=331 with safety data), Bv 15mg/kg q3w (n=329) or placebo (n=326). Bv/placebo was administered until disease progression. Primary endpoint was PFS; secondary endpoints included OS, response rate, and safety. Safety was measured using NCI-CTC version 3.0 criteria for adverse events (AEs). Results: At final analysis, the median/maximum duration of Bv therapy was 4.9/28.5 mo (Bv 7.5) and 4.3/23.4 mo (Bv 15). The most common AEs overall were hematological and gastrointestinal (GI), and occurred in similar proportions of pts in the Bv and placebo arms. Grade ≥3 AEs occurred in 80%, 83%, and 77% of pts in the Bv 7.5, Bv 15 and placebo arms, respectively. The most common grade ≥3 adverse events were hematological, mainly neutropenia and thrombocytopenia. Neutropenia was reported in 43% (Bv 7.5), 40% (Bv 15) and 34% (placebo) of pts. Grade ≥3 AEs of special interest included hypertension (7%, 9% and 2%), proteinuria (2%, 3% and 0%), bleeding (4%, 5% and 2%) and hemoptysis (0.5%, 1.2% and 1.3%). The incidence of grade 5 hemoptysis was low (0.9%, 0.9% and 0% of pts, respectively). The incidence of GI perforations (<1%), thromboembolic events (≤8%), CHF (≤1%) and wound healing complications (<1%) was low and similar between treatment arms. The incidence of serious AEs was 39%, 45% and 36% in the Bv 7.5, Bv 15 and placebo arms, respectively. No new safety signals were reported. Conclusions: After E4599, AVAiL further demonstrated the efficacy of Bv in combination with platinum-based chemotherapy in the treatment of advanced NSCLC. Final safety data confirm the well established and manageable safety profile of Bv-based therapy in pts with advanced NSCLC. [Table: see text]


2010 ◽  
Vol 28 (18_suppl) ◽  
pp. LBA503-LBA503 ◽  
Author(s):  
H. R. Bonnefoi ◽  
J. Bogaerts ◽  
M. Piccart ◽  
L. Mauriac ◽  
P. Fumoleau ◽  
...  

LBA503 Background: Predictive markers of response to chemotherapy are lacking. Preclinical data suggest that p53 mutated tumors are resistant to anthracyclines and sensitive to taxanes. However, clinical data are contradictory. Using a functional yeast assay to detect biologically important mutations, this study tested the hypothesis that docetaxel confers a greater advantage over anthracyclines in p53 mutated tumors (mut) than p53 wild type (wt). Methods: Patients (pts) with locally advanced/inflammatory or large operable tumors were randomized to either a standard anthracycline regimen (arm A) or a taxane-based treatment (arm B). In arm A pts received 6 cycles of FEC 100, or tailored FEC + G-CSF (Swedish cohort). In arm B docetaxel (T) 100mg/m2 was given for 3 cycles, followed by 3 cycles of epirubicin 90mg/m2and T 75mg/m2 q3 weeks (T-ET). After chemotherapy, pts underwent surgery followed by radiotherapy. Endocrine therapy and/or trastuzumab were given according to each center's policy. Fresh frozen tumor biopsies were mandatory before starting chemotherapy: frozen sections were examined centrally and the p53 test was done when the invasive tumor cell content was > 20%. cDNA derived from tumor-extracted RNA was transfected into yeast (Flaman et al. PNAS 1995): tumors were deemed p53 wt when there were < 20% red colonies (background) and p53 mut > 20%. The three co-primary comparisons for the endpoint of progression-free survival (PFS) were between arms A and B in p53 mut, p53 wt, and the entire trial population, each at a p=0.02. The sample size gave sufficient power for an interaction test for outcomes between p53 mut and wt at p<0.05. Results: From April 2001 to November 2006, 1,856 patients were included. A total of 386 pts (21%) were ineligible (including 292 pts with <20% tumor cells and 67 without sample). No unexpected toxicity was observed. At the time of analysis 675 events were registered after a median follow-up time of 57 months. The results are summarized below. Conclusions: p53 is not a predictive factor of response or resistance to taxanes, although it is, as expected, prognostic (<0.001). PFS is not statistically significantly different between FEC and T-ET arms at the 2% cutoff level. [Table: see text] [Table: see text]


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