Tudies. Relevant RCTs were identified by searching electronic databases and oncology meeting websites; including Medline, EMBASE, Cochrane library, ASCO and ESMO. The latest search was done on June 28, 2012. The following subject headings and keywords were used: colorectal neoplasms, colorectal cancers, colorectal carcinomas, colorectal tumors, cetuximab, c225, MAb C225, Erbitux, panitumumab, ABX-EGF MAb, Vectibix, oxaliplatin, L-OHP, Eloxatine. For pubmed we used the search strategy as follow: ((“Colorectal Neoplasms/drug therapy”[MESH] OR “Colorectal Neoplasms/therapy”[MESH] )) AND (CETUXIMAB[Title/Abstract] OR PANITUMUMAB[Title/Abstract]) AND (OXALIPLATIN[Title/Abstract]). The language of publication was Title Loaded From File restricted to English. Data extraction and synthesis. The abstracts identified from the above-mentioned sources were assessed by two independent reviewers (ZHOU Si-wei, HUANG Yuan-yuan). Both reviewers independently selected trials for inclusion according to prior agreement regarding the study population and intervention. Disagreements were resolved by consensus or by a third reviewer (XIE De-rong). Missing data from the primary study reports wereFigure 1. The flow chart. doi:10.1371/journal.pone.0050925.gPatients (KRAS wild type population) Median followup(mo) 21 23 No report No report No report No report 12.5 13.2 23.9(20.3 to 27.7) 19.7(17.6 to 22.7) 22.8(no report) 0.88 [0.73, 1.06] 18.5(no report) 0.85 [0.60, 1.22] 20.1(14.5 to 25.7) 22.0(17.9 to 26.1) 1.14 [0.80, 1.62] 17.0(no report) 8.6(no report) 8.7(7.4 to 9.9) 7.9(6.3 to 9.5) 7.2(no report) 8.3(no report) 8.6(7.5 to 9.5) 10.0(9.3 to 11.4) 0.80 [0.67, 0.95] 0.57 [0.38, 0.86] 1.07 [0.79, 1.45] 17.9(no report) 1.04 [0.88, 1.22] 8.6(no report) Median OS and 95 CI(mo) HR and 95 CI for OS 367 362 97 97 97 82 325 331 Median PFS and 95 CI (mo) HR and 95 CI for PFS 0.96 [0.82, 1.12] ORR 57 64 47 46 37 59 48 55 Prospective 3 Retrospective 3 Prospective 3 KRAS test Prospective Jadad scoreTable 1. Randomized controlled trials (OXA+anti-EGFR vs OXA alone).StudiesInterventionCOIN [13]FOLFOX/XELOXFOLFOX/XELOX+CetuximabNordic VII [14]FLOXFLOX+CetuximabOPUS [11,12]FOLFOXFOLFOX4+CetuximabPRIME [15,16]FOLFOXFOLFOX4+PanitumumabFOLFOX in COIN study: oxaliplatin 85 mg/m2 on day 1, L-folinic acid 175 mg or D,L-folinic acid 350 mg on day 1, FU 400 mg/m2 bolus and FU 2400 mg/m2 Title Loaded From File infusion over 46 h. Every 2 weeks. XELOX in COIN study: oxaliplatin 130 mg/m2 on day 1, capecitabine 850 mg/m2 twice a day on day 1 to 14. Every 3 weeks. Cetuximab in COIN study: an initial dose of 400 mg/m2 and thereafter 250 mg/m2. Every week. FLOX in NORDIC VII study: oxaliplatin 85 mg/m2 on day 1, FU 500 mg/m2 bolus +FA 60 mg/m2 bolus on days 1 and 2. Every 2 weeks. Cetuximab in NORDIC VII study: an initial dose of 400 mg/m2 and thereafter 250 mg/m2. Every week. FOLFOX4 in OPUS study: oxaliplatin 85 mg/m2 on day 1, leucovorin 200 mg/m2 followed by FU 400 mg/m2 bolus and 600 mg/m2 22-hour continuous infusion on days 1 and 2. 1379592 Every 2 weeks. Cetuximab in OPUS study: an initial dose of 400 mg/m2 and thereafter 250 mg/m2. Every week. FOLFOX4 in PRIME study: oxaliplatin 85 mg/m2 on day 1, leucovorin 200 mg/m2 followed by FU 400 mg/m2 bolus and 600 mg/m2 22-hour continuous infusion on days 1 and 2. Every 2 weeks. Panitumumab in PRIME study: 6 mg/kg. Every 2 weeks. doi:10.1371/journal.pone.0050925.tAntiEGFR MAbs and Oxaliplatin in Colorectal CancerAntiEGFR MAbs and Oxaliplatin in Colorectal CancerFigure 2. Randomi.Tudies. Relevant RCTs were identified by searching electronic databases and oncology meeting websites; including Medline, EMBASE, Cochrane library, ASCO and ESMO. The latest search was done on June 28, 2012. The following subject headings and keywords were used: colorectal neoplasms, colorectal cancers, colorectal carcinomas, colorectal tumors, cetuximab, c225, MAb C225, Erbitux, panitumumab, ABX-EGF MAb, Vectibix, oxaliplatin, L-OHP, Eloxatine. For pubmed we used the search strategy as follow: ((“Colorectal Neoplasms/drug therapy”[MESH] OR “Colorectal Neoplasms/therapy”[MESH] )) AND (CETUXIMAB[Title/Abstract] OR PANITUMUMAB[Title/Abstract]) AND (OXALIPLATIN[Title/Abstract]). The language of publication was restricted to English. Data extraction and synthesis. The abstracts identified from the above-mentioned sources were assessed by two independent reviewers (ZHOU Si-wei, HUANG Yuan-yuan). Both reviewers independently selected trials for inclusion according to prior agreement regarding the study population and intervention. Disagreements were resolved by consensus or by a third reviewer (XIE De-rong). Missing data from the primary study reports wereFigure 1. The flow chart. doi:10.1371/journal.pone.0050925.gPatients (KRAS wild type population) Median followup(mo) 21 23 No report No report No report No report 12.5 13.2 23.9(20.3 to 27.7) 19.7(17.6 to 22.7) 22.8(no report) 0.88 [0.73, 1.06] 18.5(no report) 0.85 [0.60, 1.22] 20.1(14.5 to 25.7) 22.0(17.9 to 26.1) 1.14 [0.80, 1.62] 17.0(no report) 8.6(no report) 8.7(7.4 to 9.9) 7.9(6.3 to 9.5) 7.2(no report) 8.3(no report) 8.6(7.5 to 9.5) 10.0(9.3 to 11.4) 0.80 [0.67, 0.95] 0.57 [0.38, 0.86] 1.07 [0.79, 1.45] 17.9(no report) 1.04 [0.88, 1.22] 8.6(no report) Median OS and 95 CI(mo) HR and 95 CI for OS 367 362 97 97 97 82 325 331 Median PFS and 95 CI (mo) HR and 95 CI for PFS 0.96 [0.82, 1.12] ORR 57 64 47 46 37 59 48 55 Prospective 3 Retrospective 3 Prospective 3 KRAS test Prospective Jadad scoreTable 1. Randomized controlled trials (OXA+anti-EGFR vs OXA alone).StudiesInterventionCOIN [13]FOLFOX/XELOXFOLFOX/XELOX+CetuximabNordic VII [14]FLOXFLOX+CetuximabOPUS [11,12]FOLFOXFOLFOX4+CetuximabPRIME [15,16]FOLFOXFOLFOX4+PanitumumabFOLFOX in COIN study: oxaliplatin 85 mg/m2 on day 1, L-folinic acid 175 mg or D,L-folinic acid 350 mg on day 1, FU 400 mg/m2 bolus and FU 2400 mg/m2 infusion over 46 h. Every 2 weeks. XELOX in COIN study: oxaliplatin 130 mg/m2 on day 1, capecitabine 850 mg/m2 twice a day on day 1 to 14. Every 3 weeks. Cetuximab in COIN study: an initial dose of 400 mg/m2 and thereafter 250 mg/m2. Every week. FLOX in NORDIC VII study: oxaliplatin 85 mg/m2 on day 1, FU 500 mg/m2 bolus +FA 60 mg/m2 bolus on days 1 and 2. Every 2 weeks. Cetuximab in NORDIC VII study: an initial dose of 400 mg/m2 and thereafter 250 mg/m2. Every week. FOLFOX4 in OPUS study: oxaliplatin 85 mg/m2 on day 1, leucovorin 200 mg/m2 followed by FU 400 mg/m2 bolus and 600 mg/m2 22-hour continuous infusion on days 1 and 2. 1379592 Every 2 weeks. Cetuximab in OPUS study: an initial dose of 400 mg/m2 and thereafter 250 mg/m2. Every week. FOLFOX4 in PRIME study: oxaliplatin 85 mg/m2 on day 1, leucovorin 200 mg/m2 followed by FU 400 mg/m2 bolus and 600 mg/m2 22-hour continuous infusion on days 1 and 2. Every 2 weeks. Panitumumab in PRIME study: 6 mg/kg. Every 2 weeks. doi:10.1371/journal.pone.0050925.tAntiEGFR MAbs and Oxaliplatin in Colorectal CancerAntiEGFR MAbs and Oxaliplatin in Colorectal CancerFigure 2. Randomi.
