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Background In patients undergoing resection for pancreatic cancer, adjuvant modified fluorouracil, leucovorin, irinotecan, and oxaliplatin (FOLFIRINOX) improves overall survival compared with alternative chemotherapy regimens. We aimed to compare the efficacy and safety of neoadjuvant FOLFIRINOX with the standard strategy of upfront surgery in patients with resectable pancreatic ductal adenocarcinoma. Methods NORPACT-1 was a multicentre, randomised, phase 2 trial done in 12 hospitals in Denmark, Finland, Norway, and Sweden. Eligible patients were aged 18 years or older, with a WHO performance status of 0 or 1, and had a resectable tumour of the pancreatic head radiologically strongly suspected to be pancreatic adenocarcinoma. Participants were randomly assigned (3:2 before October, 2018, and 1:1 after) to the neoadjuvant FOLFIRINOX group or upfront surgery group. Patients in the neoadjuvant FOLFIRINOX group received four neoadjuvant cycles of FOLFIRINOX (oxaliplatin 85 mg/m2, irinotecan 180 mg/m2, leucovorin 400 mg/m2, and fluorouracil 400 mg/m2 bolus then 2400 mg/m2 over 46 h on day 1 of each 14-day cycle), followed by surgery and adjuvant chemotherapy. Patients in the upfront surgery group underwent surgery and then received adjuvant chemotherapy. Initially, adjuvant chemotherapy was gemcitabine plus capecitabine (gemcitabine 1000 mg/m2 over 30 min on days 1, 8, and 15 of each 28-day cycle and capecitabine 830 mg/m2 twice daily for 3 weeks with 1 week of rest in each 28-day cycle; four cycles in the neoadjuvant FOLFIRINOX group, six cycles in the upfront surgery group). A protocol amendment was subsequently made to permit use of adjuvant modified FOLFIRINOX (oxaliplatin 85 mg/m2, irinotecan 150 mg/m2, leucovorin 400 mg/m2, and fluorouracil 2400 mg/m2 over 46 h on day 1 of each 14-day cycle; eight cycles in the neoadjuvant FOLFIRINOX group, 12 cycles in the upfront surgery group). Randomisation was performed with a computerised algorithm that stratified for each pa, Correspondence to: Prof Knut Jørgen Labori, Department of Hepato Pancreato Biliary Surgery, Oslo University Hospital and Institute of Clinical Medicine, University of Oslo, N-0372 Oslo, NorwayFunding: Norwegian Cancer Society, South Eastern Norwegian Health Authority, The Sjöberg Foundation, and Helsinki University Hospital Research Grants.

Purpose: Curative treatment of esophageal cancer is accompanied by frequent and sometimes severe side effects. However, prospectively collected data on side effects are scarce. The aim of this study was to evaluate if pulmonary function and exercise capacity were affected in the acute setting after neoadjuvant treatment and if there were long-lasting effects after neoadjuvant treatment and surgery. We also aimed to investigate whether the addition of radiation therapy to chemotherapy would aggravate side effects. Methods and materials: A cohort of 97 patients enrolled in the randomized NeoRes trial was used for the present analysis. The patients had been randomized to receive 3 cycles of cisplatin and fluorouracil with or without concurrent radiation therapy to 40 Gy. A cardiac stress test on a stationary bicycle and a spirometry were performed before and after neoadjuvant treatment and 1 to 2 years later after surgery provided that the cancer had not recurred. Results: We found impairment in pulmonary function measured as vital capacity and forced expiratory volume in 1 second and a decrease in exercise capacity after neoadjuvant treatment and 1 to 2 years later after surgery. We did not detect any differences between patients treated with chemoradiation therapy and those treated with chemotherapy alone. Conclusions: Multimodality treatment of esophageal cancer caused short-term and lasting impairments in pulmonary function and exercise capacity. The reductions were not aggravated by the addition of radiation therapy to neoadjuvant chemotherapy.