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Introduction The optimal treatment strategy for RAS wild type (WT) mCRC is controversial. Our phase III study investigated the effect of introducing earlier (second-line) or later (third-line) cetuximab in patients progressed after FOLFIRI/bevacizumab first-line. Patients and methods mCRC patients progressing after FOLFIRI/bevacizumab first-line were randomised to receive second-line irinotecan/cetuximab followed by third-line FOLFOX-4 (arm A) or the reverse sequence (arm B). Primary end-point was progression-free survival (PFS). Results About 54 and 56 patients were randomised in arm A and in arm B, respectively. After a median follow-up of 37.5 months, 100 PFS events were recorded. Median PFS was 9.9 months in arm A and 11.3 months in arm B (Hazard ratio [HR] 1.04, 95% confidence interval [CI]: 0.69–1.56, p = 0.854), while median overall survival was 12.3 months in arm A and 18.6 months in arm B (HR 0.84, 95% CI: 0.55–1.28; p = 0.411). No overall difference in side-effects were observed between the two treatment arms. Conclusions This trial did not meet the primary end-point (PFS). Like other preclinical and clinical evidences, our study seems to suggest a reduced activity of cetuximab after a first-line bevacizumab-based therapy.

Background Early integration of palliative care in oncology practice ("simultaneous care", SC) has been shown to provide better care resulting in improved quality-of-life and also survival. We evaluated the opinions of Italian Association of Medical Oncology (AIOM) members. Patients and methods A 37-item questionnaire was delivered to 1119 AIOM members. Main areas covered were: social, ethical, relational aspects of disease and communication, training, research, organizational and management models in SC. Three open questions explored the definition of Quality of Life, Medical Oncologist and Palliative Care. Results Four hundred and forty-nine (40.1%) medical oncologists returned the questionnaires. Forty-nine percent stated they address non-curability when giving a diagnosis of metastatic tumor, and 43% give the information only to patients who clearly ask for it. Fifty-five percent say the main formative activity in palliative medicine came from attending meetings and 90% agree that specific palliative care training should be part of the core curriculum in oncology. Twenty-two percent stated they consulted guidelines for symptom management, 45% relied upon personal experience and 26% make a referral to a palliative care specialist. Seventy-four percent were in favor of more research in palliative medicine. An integration between Units of Oncology and Palliative Care Services early in the course of advanced disease was advocated by 86%. Diverse and multifaceted definitions were given for the concepts of Quality of Life, Palliative Care and Medical Oncologist. Conclusion SC is felt as an important task, as well as training of medical oncologists in symptom management and research in this field.

Aim of the study To investigate the incidence and clinical implications of venous thromboembolism (VTE) in advanced colorectal cancer (ACC) patients treated and followed-up through a prospective randomised trial, comparing FOLFIRI chemotherapy given as an intermittent or as a continuous schedule. Patients, materials and methods A total of 266 patients were randomised by 15 experimental centres: 168 (63.2%) were males, median age: 64.6 years, age range: 37–76 years. Almost all (95.5%) patients had metastatic disease, while the remainder were classified with locally advanced irresectable disease. For 138 (51.9%) of the patients, the chemotherapy treatment was intermittent FOLFIRI and the remaining patients received continuous treatment. All toxicities, including VTE, were prospectively collected. Results During the study protocol, the central data management gathered two cases of VTE. Our analysis retrieved 27 (10.2%) patients who developed a VTE, almost all (89%) during the course of chemotherapy treatment: 20 out of 27 during FOLFIRI, the remaining 7 during following lines or follow-up. VTE was the most frequent grade 3/4 toxicity. The incidence of VTE was significantly increased in the patients receiving continuous rather than intermittent treatment (HR 2.67, 95% CI 1.17–6.10; p Conclusion VTE is a common complication among advanced colorectal cancer patients and yet this type of toxicity is widely underestimated. In this randomised trial, VTE was the most frequent grade 3/4 toxicity. Use of an intermittent schedule is associated with a reduced risk of developing VTE.

TPS3664 Background: FOLFOXIRI plus bevacizumab (bev) followed by 5-FU plus bev is an efficacious option for first line tx of metastatic colorectal cancer (mCRC) patients (pts) (TRIBE study). CAIRO-...