Repeated centralized multidisciplinary team assessment of resectability, clinical behavior, and outcomes in 1086 Finnish metastatic colorectal cancer patients (RAXO) : a nationwide prospective intervention study
Österlund, Pia; Salminen, Tapio; Soveri, Leena-Maija; Kallio, Raija; Kellokumpu, Ilmo; Lamminmäki, Annamarja; Halonen, Paivi; Ristamäki, Raija; Lantto, Eila; Uutela, Aki; Österlund, Emerik; Ovissi, Ali; Nordin, Arno; Heerva, Eetu; Lehtomäki, Kaisa; Räsänen, Jari; Murashev, Maija; Aroviita, Laura; Jekunen, Antti; Lindvall-Andersson, Renee; Nyandoto, Paul; Kononen, Juha; Lepistö, Anna; Poussa, Tuija; Muhonen, Timo; Algars, Annika; Isoniemi, Helena (2021-01-29)
Osterlund, P., Salminen, T., Soveri, L.-M., Kallio, R., Kellokumpu, I., Lamminmäki, A., Halonen, P., Ristamäki, R., Lantto, E., Uutela, A., Osterlund, E., Ovissi, A., Nordin, A., Heervä, E., Lehtomäki, K., Räsänen, J., Murashev, M., Aroviita, L., Jekunen, A., … Isoniemi, H. (2021). Repeated centralized multidisciplinary team assessment of resectability, clinical behavior, and outcomes in 1086 Finnish metastatic colorectal cancer patients (RAXO): A nationwide prospective intervention study. The Lancet Regional Health - Europe, 3, 100049. https://doi.org/10.1016/j.lanepe.2021.100049
© 2021 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
https://creativecommons.org/licenses/by-nc-nd/4.0/
https://urn.fi/URN:NBN:fi-fe2021091346067
Tiivistelmä
Abstract
Background: Resection of colorectal cancer (CRC) metastases provides good survival but is probably underused in real-world practice.
Methods: A prospective Finnish nationwide study enrolled treatable metastatic CRC patients. The intervention was the assessment of resectability upfront and twice during first-line therapy by the multidisciplinary team (MDT) at Helsinki tertiary referral centre. The primary outcome was resection rates and survival.
Findings: In 2012–2018, 1086 patients were included. Median follow-up was 58 months. Multiple metastatic sites were present in 500 (46%) patients at baseline and in 820 (76%) during disease trajectory. In MDT assessments, 447 (41%) were classified as resectable, 310 (29%) upfront and 137 (18%) after conversion therapy. Six-hundred and ninety curative intent resections or local ablative therapies (LAT) were performed in 399 patients (89% of 447 resectable). Multiple metastasectomies for multisite or later developing metastases were performed in 148 (37%) patients. Overall, 414 liver, 112 lung, 57 peritoneal, and 107 other metastasectomies were performed. Median OS was 80·4 months in R0/1-resected (HR 0·15; CI95% 0·12–0·19), 39·1 months in R2-resected/LAT (0·39; 0·29–0·53) patients, and 20·8 months in patients treated with “systemic therapy alone” (reference), with 5-year OS rates of 66%, 40%, and 6%, respectively.
Interpretation: Repeated centralized MDT assessment in real-world metastatic CRC patients generates high resectability (41%) and resection rates (37%) with impressive survival, even when multisite metastases are present or develop later.
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