FOLFOXIRI plus bevacizumab (bev) versus FOLFIRI plus bev as first-line treatment of metastatic colorectal cancer (mCRC): Updated survival results of the phase III TRIBE trial by the GONO group.

2015 ◽  
Vol 33 (3_suppl) ◽  
pp. 657-657 ◽  
Author(s):  
Chiara Cremolini ◽  
Fotios Loupakis ◽  
Gianluca Masi ◽  
Vittorina Zagonel ◽  
Francesca Bergamo ◽  
...  

657 Background: The phase III TRIBE trial met its primary endpoint, by demonstrating that first-line FOLFOXIRI plus bev significantly prolongs PFS, as compared to FOLFIRI plus bev. Also RECIST response rate, early response rate and deepness of response were significantly increased. At the first statistical analysis, with a median follow-up of 32.2 months, OS results were considered preliminary. Methods: Between July 2008 and May 2011, 508 patients were randomized to either FOLFIRI plus bev (arm A, n=256) or FOLFOXIRI plus bev (arm B, n=252). Both treatments were administered for a maximum of 12 cycles followed by 5FU/bev until progression. Results: At a median follow-up of 48.1 months, 374 deaths were recorded (Arm A=200 vs. Arm B=174). Median OS for Arm B vs. Arm A was 29.8 vs. 25.8 months (HR=0.80, 95% CI, 0.65-0.98, p=0.030). Long-term survival rates are reported in Table 1. Treatment effect was consistent across all analyzed subgroups. Among clinical variables, ECOG performance status of 1 or 2, right-sided primary tumor, synchronous metastases, disease not confined to the liver, unresected primary tumor, high Kohne score negatively affected prognosis at univariate analyses. At an exploratory model accounting for these variables, adjusted HR for treatment effect on OS was 0.77 (95% CI, 0.61-0.96, p=0.020). Conclusions: FOLFOXIRI plus bev improves survival of mCRC patients, as compared to FOLFIRI plus bev. The estimated 5-years OS rate of patients treated with FOLFOXIRI plus bev was equal to 24.9%, with an absolute benefit of 12.5% compared to controls. FOLFOXIRI plus bev represents a valuable option for the upfront treatment of mCRC. Clinical trial information: NCT00719797. [Table: see text]

2006 ◽  
Vol 24 (18_suppl) ◽  
pp. 7093-7093 ◽  
Author(s):  
B. Castagneto ◽  
M. Mencoboni ◽  
D. Degiovanni ◽  
A. Muzio ◽  
L. Giaretto ◽  
...  

7093 Background: Aim of this study was to evaluate the activity and toxicity of MTA and CBDCA combination as first line chemotherapy in advanced MPM. Methods: Chemonaive patients (pts) with histologically proven, an ECOG performance status (PS) 0–2, and measurable advanced MPM were considered. The schedule of administration was: pemetrexed 500 mg/m2 in combination with CBDA AUC 5, once every 21 days for 8 cycles. Results: From July 2003 to March 2005 76 pts (54 male and 22 female) have been treated with this combination chemotherapy. Median age was 62.7 years (range 40–70); median PS 0 (range 0–3); epithelial histologic findings were in 57 (75%), mixed in 13 (17.1%), sarcomatous in 3 (3.9%), and unspecified in 3 (3.9%) pts. A total of 537 cycles was administered (median 7, range 1 to 13). Grade 3 hematologic toxicity according to WHO criteria was seen in 43 (56.6%) pts (neutropenia in 30, thrombocytopenia in 8, and anemia in 5); grade 4 hematologic toxicity in 5 (6.6%) pts. The most common nonhematologic events were grade 3 nausea/vomiting in 10 (13.1%), and fever in 4 (5.3%) pts. 74 pts were evaluable for clinical response. There were 16 (21.%) partial responses (PR) and 3 (3.9%) complete responses (CR), for an overall response rate of 23.9%. 29 (38.2%) pts reported stable disease (SD). The overall survival was considered from date of diagnosis to date of death from any cause or to date of last follow-up. The median survival time for the entire group was estimated at 23 months. Conclusions: The results of this phase II study indicate that, at this dose and schedule, the combination of CBDCA and MTA is moderately active and that the profile of toxicity is acceptable in pts with advanced MPM. No significant financial relationships to disclose.


2007 ◽  
Vol 25 (18_suppl) ◽  
pp. 4000-4000 ◽  
Author(s):  
E. Van Cutsem ◽  
M. Nowacki ◽  
I. Lang ◽  
S. Cascinu ◽  
I. Shchepotin ◽  
...  

4000 Background: Cetuximab in combination with irinotecan-based regimens has proven activity in previously-treated patients (pts) with mCRC. The present trial investigated the effectiveness of cetuximab in combination with standard FOLFIRI compared with FOLFIRI alone in the first-line treatment of pts with epidermal growth factor receptor (EGFR)-expressing mCRC. Methods: Pts were randomized 1:1 to receive either cetuximab (400 mg/m2 initial dose then 250 mg/m2/week [w]) plus FOLFIRI q 2 w (irinotecan 180 mg/m2, FA 400 mg/m2, 5-FU bolus 400 mg/m2, 5-FU infusion 2,400 mg/m2 over 46 hours) (Group A) or FOLFIRI alone (Group B). The primary endpoint was progression-free survival (PFS), with secondary endpoints of overall survival (OS), response rate (RR), disease control rate and safety. 633 events were required to statistically differentiate PFS between groups with 80% power. Results: Between August 2004 and October 2005, 1,217 pts were randomized, 608 to Group A and 609 to Group B (60% male, median age 61 [19–84], ECOG performance status: 0=54%; 1=43.5%; 2=3.5%). Median PFS was significantly longer for Group A compared to Group B (8,9 months [8 - 9,5] for Group A vs. 8 months [7.6 - 9] for Group B, p=0.036). Response Rate was also significantly increased by cetuximab (46.9% vs. 38.7%, p=0.005). Treatment was generally well tolerated with neutropenia (26.7% Group A, 23.3% Group B), diarrhea (15.2% and 10.5% respectively) and skin reactions (18.7% and 0.2% respectively) being the most common grade 3/4 adverse events. Conclusions: Cetuximab in combination with FOLFIRI significantly increases response rate and significantly prolongs PFS in the first-line treatment of pts with mCRC, reducing the relative risk of progression by approximately 15%. Treatment-related side effects of cetuximab in combination with FOLFIRI were as expected, with diarrhea being moderately and skin reactions significantly more frequent as compared to FOLFIRI alone. [Table: see text]


2021 ◽  
Vol 39 (15_suppl) ◽  
pp. 9000-9000
Author(s):  
Martin Reck ◽  
Tudor-Eliade Ciuleanu ◽  
Manuel Cobo ◽  
Michael Schenker ◽  
Bogdan Zurawski ◽  
...  

9000 Background: In the randomized phase 3 CheckMate 9LA trial (NCT03215706), first-line NIVO + IPI combined with 2 cycles of chemo significantly improved overall survival (OS), progression-free survival (PFS), and objective response rate (ORR) vs chemo alone (4 cycles). Clinical benefit was observed regardless of programmed death ligand 1 (PD-L1) expression level and histology. Here we report data with 2 years’ minimum follow-up from this study. Methods: Adult patients (pts) with stage IV / recurrent NSCLC, ECOG performance status ≤ 1, and no known sensitizing EGFR/ALK alterations were stratified by PD-L1 (< 1% vs ≥ 1%), sex, and histology (squamous vs non-squamous) and were randomized 1:1 to NIVO 360 mg Q3W + IPI 1 mg/kg Q6W + chemo (2 cycles; n = 361) or chemo alone (4 cycles; n = 358). Pts with non-squamous NSCLC in the chemo-alone arm could receive pemetrexed maintenance. The primary endpoint was OS. Secondary endpoints included PFS and ORR by blinded independent central review, and efficacy by different PD-L1 levels. Safety was exploratory. Results: At a minimum follow-up of 24.4 months for OS (database lock: Feb 18, 2021), pts treated with NIVO + IPI + chemo continued to derive OS benefit vs chemo, with a median OS of 15.8 months vs 11.0 months, respectively (HR, 0.72 [95% CI, 0.61–0.86]); 2-year OS rates were 38% vs 26%. Median PFS with NIVO + IPI + chemo vs chemo was 6.7 months vs 5.3 months (HR, 0.67 [95% CI, 0.56–0.79]); 8% and 37% of pts who had disease progression received subsequent immunotherapy, respectively. ORR was 38% with NIVO + IPI + chemo vs 25% with chemo. Similar clinical benefit with NIVO + IPI + chemo vs chemo was observed in all randomized pts and across the majority of subgroups, including by PD-L1 expression level (Table) or histology. Any grade and grade 3–4 treatment-related adverse events were reported in 92% and 48% of pts in the NIVO + IPI + chemo arm vs 88% and 38% in the chemo arm, respectively. Conclusion: With 2 years’ minimum follow-up, first-line NIVO + IPI + chemo demonstrated durable survival and benefit versus chemo in pts with advanced NSCLC; no new safety signals were identified. Clinical trial information: NCT03215706. [Table: see text]


2021 ◽  
Vol 39 (6_suppl) ◽  
pp. 446-446
Author(s):  
Marc-Oliver Grimm ◽  
Bernd Schmitz-Dräger ◽  
Uwe Zimmermann ◽  
Barbara Grün ◽  
Gustavo Bruno Baretton ◽  
...  

446 Background: Several PD-1 immune-checkpoint inhibitors including Nivolumab (Nivo) are approved in urothelial cancer. Recently, in the front line setting, improved activity of combined PD-L1 and CTLA4 immune-checkpoint inhibition has been reported and a phase III trial with Nivolumab + Ipilimumab (Nivo+Ipi) is ongoing. Here we report a response-based tailored approach starting treatment with Nivo monotherapy using Nivo+Ipi as immunotherapeutic “boost”. Methods: Between July 2017 and April 2019 86 patients were enrolled and treated according to protocol version 3 (cohort 1). Patients started with Nivo 240 mg Q2W induction. After 4 dosings and tumor assessment at week 8 (i) responders (PR/CR) to Nivo monotherapy continued with maintenance while (ii) patients with stable (SD) or progressive disease (PD) received 2 cycles Nivo3+Ipi1 followed by another 2 cycles Nivo1+Ipi3 if not responding. Median follow-up is 8.7 months. The primary endpoint is confirmed investigator-assessed objective response rate (ORR) per RECIST1.1. Secondary endpoints include activity of Nivo monotherapy at week 8, remission rate with Nivo+Ipi “boosts”, safety, overall survival and quality of life. Results: Of the patients 42, 39 and 5 were first, second and third line, respectively. Median age was 67 years (range 45-84), 61 patients (71 %) were male and 25 female. ORR with Nivo monotherapy at first assessment (week 8) was 29 % and 23 % in first and second/third line, respectively. Of the patients 41 received Nivo+Ipi “boosts” after week 8 while 12 received later “boosts”. Best overall response (BOR) rate with Nivo induction ± Nivo+Ipi “boosts” was 48 % and 27 % in first and second/third line, respectively. In first line 7/17 (41 %) patients receiving Nivo+Ipi after week 8 had an improved response compared to 2/24 (8.3 %) in second/third line. Of the patients who continued with Nivo maintenance after week 8 and received later “boosts” 2/12 (17 %) had a PR and 2/12 (17 %) improved to SD. Treatment-related AEs will be presented. Conclusions: TITAN–TCC explores a response-driven use of Nivo+Ipi as an immunotherapeutic “boost”. In first line, this significantly improved ORR compared to the expected response rate of Nivo monotherapy, providing further evidence to the added value of Ipi in combination with Nivo. Further follow-up is ongoing to characterize duration and depth of response. Clinical trial information: NCT03219775 . Research Sponsor: Bristol-Myers Squibb[Table: see text]


2021 ◽  
Vol 39 (15_suppl) ◽  
pp. e15550-e15550
Author(s):  
Jin Yan ◽  
Yunwei Han ◽  
Li Zhang ◽  
Yongdong Jin ◽  
Hao Sun

e15550 Background: The combination of anti-VEGF or anti-EGFR targeted drugs with chemotherapy is the standard first-line therapy for metastatic colorectal cancer (mCRC), and the followed maintenance treatment is an optional approach to balance the efficacy and toxicity. However, studies regarding the maintenance strategies based on antiangiogenic TKIs are limited currently. Anlotinib, a novel oral multi-target TKI which can inhibit both tumor angiogenesis and tumor cell proliferation simultaneously, substantially prolonged the PFS with manageable toxicity for refractory mCRC in the phase III ALTER0703 clinical trial. Here we report an update on the effectiveness and safety of anlotinib plus XELOX as first-line treatment followed by anlotinib monotherapy for mCRC. Methods: In this open label, single-arm, multicenter phase II clinical trial, 53 mCRC patients without prior systemic treated, aged 18-75 and an ECOG performance status of 0 or 1 were planned to recruit. Eligible patients received capecitabine (1000 mg/m2, po, d1-14, q3w) and oxaliplatin (130 mg/m2, iv, d1, q3w) plus anlotinib (10mg, po, d1̃14, q3w) treatment for 6 cycles. After 6 cycles of inducing therapy, patients would receive anlotinib (12mg, po, d1̃14, q3w) as maintenance therapy until disease progression or intolerable adverse events (AEs). The primary endpoint was PFS; Secondary endpoints included ORR, DCR, DOR and safety. Results: By the data analysis cutoff date of January 22, 2021, a total of 18 patients were enrolled, of which 12 patients were available for efficacy assessment. In best overall response assessment, there were 50.0% PR (6/12), 33.3% SD (4/12) and 16.7% PD (2/12). The ORR was 50.0% (95% CI, 21.1-78.9%) and DCR was 83.3% (95% CI, 51.5-97.9%). The longest duration of treatment was 8.8 months and the response was still ongoing. The median PFS was not reached. The most common treatment related adverse events (TRAEs) of any grade (≥20%) were leukopenia, hypertension, neutropenia, diarrhea, fatigue, hypertriglyceridemia. Grade 3/4 TRAEs included hypertension (22.2%), hypertriglyceridemia (11.1%), lipase elevated (11.1%) and neutropenia (5.6%). No grade 5 AEs occurred. Conclusions: The update results suggested that anlotinib combined with XELOX as first line regimen followed by anlotinib monotherapy showed promising anti-tumor activity and manageable safety for patients with mCRC. And the conclusions needed to be confirmed in trials continued subsequently. Clinical trial information: ChiCTR1900028417.


2019 ◽  
pp. 1-8
Author(s):  
Rene López ◽  
Suraj Rajesh Samtani ◽  
Jose Miguel Montes ◽  
Rodrigo Perez ◽  
Maria Jose Martin ◽  
...  

PURPOSE Cancer is in the process of changing to become a chronic disease; therefore, an increasing number of oncologic patients (OPs) are being admitted to intensive care units (ICUs) for supportive care of disease or therapy-related complications. We compare the short- and long-term outcomes of critically ill mechanically ventilated OPs with those of their nononcologic counterparts. PATIENTS AND METHODS We performed a prospective study of patients admitted to our ICU between October 2017 and February 2019. Demographic, physiologic, laboratory, clinical, and treatment data were obtained. The primary outcome was survival at 28 days and at the end of the follow-up period. Secondary outcomes were survival according to acute severity scoring (Acute Physiology and Chronic Health Evaluation II score), Eastern Cooperative Oncology Group (ECOG) performance status, and Charlson comorbidity index. RESULTS A total of 1,490 patients were admitted during the study period; 358 patients (24%) were OPs, and 100 of these OPs were supported with mechanical ventilation. Seventy-three percent of OPs had an ECOG performances status of 0 or 1, and 90% had solid tumors. Reason for admission to the ICU was postoperative admission in 44 patients and neutropenic infection in 10 patients. The follow-up period was 148 days (range, 42 to 363 days). Survival at 28 days was similar between OPs and nononcologic patients and associated with the Acute Physiology and Chronic Health Evaluation II score. However, long-term survival was lower in OPs compared with nononcologic patients (52% v 76%, respectively; P < .001) and associated with poor ECOG performance status. CONCLUSION Short-term survival of critically ill, mechanically ventilated OPs is similar to that of their nononcologic counterparts and is determined by the severity of the critical illness.


2006 ◽  
Vol 24 (18_suppl) ◽  
pp. 7127-7127 ◽  
Author(s):  
J. P. Allerton ◽  
C. T. Hagenstad ◽  
R. T. Webb ◽  
G. B. Smith ◽  
R. Birch ◽  
...  

7127 Background: Abraxane (A) is a cremophor free, albumin-bound nanoparticle of paclitaxel (P) approved for the treatment of metastatic breast cancer. Belani et al. (JCO 21: 2933–2939, 2003) reported that P 100 mg/m2 days 1, 8 and 15 q 28 days with C AUC 6 on day 1 led to a 32% response rate in 132 patients (pts) with NSCLC. The median time to progression (TTP) was 35 weeks (wks) for stage IIIB and 29 wks for stage IV. Methods: This study was designed to determine if substituting A for P at an identical dose would lead to an improved response rate, TTP or decreased toxicity. Results: Fifty-six pts with stage IIIB/IV NSCLC previously untreated with chemotherapy were enrolled. The median age was 66 (range 37 - 83); 37 were male and median ECOG performance status was 1 (range 0–2). Thirteen pts were stage IIIB. Metastases included bone (17), liver (7), brain (2) and lymph nodes (16). Currently a total of 239 cycles of therapy have been administered with a median of 4 (range 1–8) cycles per pt. In 194 (81%) full dose A was administered on days 1, 8 and 15. The table below shows toxicities compared to P: Seven pts (13%) experienced grade (G) 1 neuropathy and 3 pts (5%) experienced G 2 neuropathy. Five pts were inevaluable for response due to removal from study after <2 cycles of treatment (2 died from progressive disease, 2 because of toxicity - thrombocytopenia and neutropenia - and 1 refused). Of 51 evaluable pts 1 (2%) had a complete response and 23 patients (45%) achieved a partial response. Four of 10 evaluable stage IIIB pts obtained a PR. Twenty-one pts were stable for at least 12 weeks of whom twenty remain stable at 12–29 weeks and one progressed at 23 weeks. A total of 13 pts have progressed and 3 pts have died. The Kaplan-Meier estimate of median TTP is 23 wks and maximum follow up is 34 wks. Conclusions: We conclude that combining A and C is tolerable and active in the treatment of newly-diagnosed NSCLC and antitumor activity compares favorably to that of P/C. Further studies are warranted in this population. [Table: see text] [Table: see text]


2012 ◽  
Vol 30 (15_suppl) ◽  
pp. 8514-8514 ◽  
Author(s):  
Sapna Pradyuman Patel ◽  
Wen-Jen Hwu ◽  
Kevin B. Kim ◽  
Nicholas E. Papadopoulos ◽  
Patrick Hwu ◽  
...  

8514 Background: Ipilimumab (Ipi) alters the immune system balance by inhibiting the suppression of T-cell function. In two phase III trials, Ipi has shown an overall survival benefit alone and in combination with dacarbazine in previously treated and treatment-naïve patients (pts) with metastatic melanoma (MM), respectively. We performed a single-institution, phase II clinical trial of Ipi plus temozolomide (Tem) in pts with MM. Methods: Pts between the ages of 18 and 75 with previously untreated unresectable stage III or stage IV MM and an ECOG Performance Status of 0 to 1 were enrolled in a phase II trial of Ipi plus Tem. Induction phase consisted of Ipi 10mg/kg intravenous on Day 1 and oral Tem 200 mg/m2 on Days 1 – 4 every 3 weeks for 4 doses. Maintenance consisted of Ipi 10 mg/kg intravenous on Day 1 starting week 12 and repeated every 12 weeks and oral Tem 200 mg/m2 on Days 1 – 5 starting week 12 and repeated every 4 weeks until disease progression or unacceptable toxicity occurred. The primary endpoint was progression-free survival (PFS) rate at 6 months. Responses were evaluated using immune-related response criteria. Results: Sixty-four pts were enrolled and received at least one dose of study drug. All pts were included in the analysis. With a median follow-up of 8.5 months, the PFS rate at 6 months was 43%, exceeding the proposed rate of 30%, and the median PFS was 5.1 months. There were 10 (15.6%) confirmed complete responses and 8 (12.5%) confirmed partial responses. At the time of this analysis, median overall survival has not been reached. Immune-related adverse events (irAEs) were experienced by 88% of pts, most commonly pruritus (88%), rash (83%), diarrhea (56%), transaminitis (45%), and colitis (11%). Grade 3/4 irAEs seen in more than one patient were skin rash (11%), diarrhea (9%), pruritus (6%), and transaminitis (5%). Constipation occurred in 70% of pts and was the most common gastrointestinal (GI) toxicity. There were no GI perforations or deaths on study due to treatment. Conclusions: At a median follow-up of 8.5 months, the best overall response rate in this study is 28%. Ipi at 10 mg/kg in combination with Tem given in an induction followed by maintenance fashion is safe, well-tolerated, and efficacious in MM.


2012 ◽  
Vol 30 (15_suppl) ◽  
pp. 7565-7565
Author(s):  
Shunichi Sugawara ◽  
Makoto Maemondo ◽  
Toshiyuki Harada ◽  
Akira Inoue ◽  
Nobumichi Matsubara ◽  
...  

7565 Background: Standard first-line chemotherapy for elderly NSCLC pts has been considered as a monotherapy with vinorelbine or gemcitabine globally. However, we have demonstrated the high efficacy of CP for elderly pts in our previous trial (Ann Oncol 2010). Meanwhile, D has been considered as an alternative option for this population in Japan according to the result of WJTOG9904 (JCO 2006). Thus we compared the two regimens to select the proper candidate for future phase III trial. Methods: Eligible pts were aged 70 years or older with newly diagnosed stage IIIB/IV NSCLC; ECOG performance status 0-1; adequate organ function; written informed consent. Pts were randomized to receive carboplatin (AUC 6) on day 1 and paclitaxel (70mg/m2 on day 1, 8, and 15) every 4 weeks or D (60mg/m2 on day 1) every 3 weeks. The primary endpoint was overall response rate (ORR), and secondary endpoints were progression-free survival (PFS), overall survival, and toxicity profile. Assuming that ORR of 40% would be potential usefulness while ORR of 20% would be the lower limit of interest, 40 pts in each arm were required if expect 10% loss to follow up. Results: Between July 2006 and September 2010, 84 pts were enrolled and 41 pts in CP arm and 42 pts in D arm were eligible (median age, 76 years; 75% male; 72% stage IV). Median treatment cycle was 4 in each arm (CP, range 1-6; D, range 1-8). ORRs were 51% (95%CI: 36-66%) and 26% (95%CI: 12-39%) in the CP and D arm, respectively. With a median follow-up of 18.4 months, median PFS were 6.5 and 3.9 months in the CP and D arm, respectively (Logrank, P=0.0027). Grade 3 or severer toxicities were as follows: neutropenia (CP, 56% and D, 79%), anemia (CP, 15% and D, 7%), thrombocytopenia (CP, 10% and D, 0%), infection (CP, 20% and D, 25%). One treatment-related death due to neutropenia, pneumonia, and lethal arrhythmia occurred in D arm but none in CP arm. Conclusions: The platinum doublet CP achieved higher activity with an acceptable toxicity profile for elderly pts with advanced NSCLC compared to monotherapy with D. The superiority of CP to the monotherapy in this trial is consistent with results of recent IFCT-0501 trial (Lancet 2011).


2013 ◽  
Vol 31 (15_suppl) ◽  
pp. e14532-e14532
Author(s):  
Ulf P Neumann ◽  
Thomas Goehler ◽  
Gernot Reich ◽  
Michael Schwerdtfeger ◽  
Patrick Stuebs ◽  
...  

e14532 Background: Resection of liver and/or lung metastases (LM) are a potentially curative option for patients with mCRC. Cetuximab in combination with irinotecan- or oxaliplatin-based chemotherapy has shown to increase the resection rate of primarily unresectable LM in mCRC patients. After approval of cetuximab in Germany for first-line treatment of pts with unresectable mCRC, this noninterventional study was initiated to evaluate safety and efficacy of cetuximab in combination with various first-line chemotherapy regimens in patients with unresectable mCRC. Methods: We conducted an interim analysis of the first 124 fully documented pts to evaluate the response rate (RR) and resection rate of LM. Enrolment was restricted to pts with mCRC with proven KRAS wildtype mutation status without prior systemic treatment in the metastatic stage. Predefined endpoints were amongst others RR, LM resection rate, TTF, PFS, OS, and safety. Results: From May 2010 to May 2012 360 eligible pts were enrolled at 109 sites (75% office-based physicians), documentation for 124 was finalised (data cut-off for this analysis 03 May 2012) and evaluated. The median age was 68 [range 34-84] years, ECOG performance status was 0, 1, 2 in 29%, 60%, and 9% of pts, respectively, in 2% of pts ECOG performance status was missing. Resection rate was 18.5% (n=23) performed at 18 sites with 16.9% R0 resections (n=21). 42% of pts (n=52) had liver-limited disease (LLD). Resection rate in pts with LLD was 34.6% (n=18) with a 30.6% R0-resection rate (n=16). Median treatment duration from start of cetuximab-based therapy to resection of LM was 3.7 months [0.7-12.0]. Objective response rate was 46.8% (CR 4.8%, PR 41.9%) and 59.6% (CR 5.8%, PR 53.8%) for pts with LLD. Conclusions: In a clinical practice setting cetuximab-based first-line treatment of an unselected population with KRAS wildtype mCRC resulted in an R0-resection rate of 16.9% overall, and 30.6% for LLD pts. These data compare fairly well with data from clinical trials: CRYSTAL, OPUS, and CELIM.


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