Background: On February 23rd, the 1st case of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection was diagnosed at the University Hospital Trust of Verona, Italy. On March 13th, the Oncology Section was converted into a 22-inpatient bed coronavirus disease (COVID) Unit, and we reshaped our organisation to face the SARS-CoV-2 epidemic, while maintaining oncological activities. Methods: We tracked down (i) volumes of oncological activities (January 1st -March 31st, 2020 versus the same period of 2019), (ii) patients' and caregivers' perception and (iii) SARS-CoV-2 infection rate in oncology health professionals and SARS-CoV-2 infection erelated hospital admissions of "active"' oncological patients. Results: As compared with the same trimester in 2019, the overall reduction in total numbers of inpatient admissions, chemotherapy administrations and specialist visits in JanuaryeMarch 2020 was 8%, 6% and 3%, respectively; based on the weekly average of daily accesses, reduction in some of the oncological activities became statistically significant from week 11. The overall acceptance of adopted measures, as measured by targeted questionnaires administered to a sample of 241 outpatients, was high (>70%). Overall, 8 of 85 oncology health professionals tested positive for SARS-CoV-2 infection (all but one employed in the COVID Unit, no hospital admissions and no treatment required); among 471 patients admitted for SARS-CoV-2 infection, 7 had an "active"' oncological disease (2 died of infection-related complications). Conclusions: A slight, but statistically significant reduction in oncology activity was registered during the SARS-CoV-2 epidemic peak in Verona, Italy. Organisational and protective measures adopted appear to have contributed to keep infections in both oncological patients and health professionals to a minimum.
613 Background: NIVO showed an increased on OS in pre-treated mRCC. The introduction of metastasis SBRT could improve the clinical outcomes. NIVES Study evaluated the efficacy and safety of SBRT in combination with NIVO in II and III line of mRCC pts. Methods: This is a phase II, single arm, multicentre study in mRCC pts with PD after ≤2 prior anti-angiogenic therapies with measurable metastatic sites, and at least one suitable for SBRT. The pts received hypofractionated radiation in 1 lesion at dose of 10 Gy/3 fractions after 7 days from the first infusion of NIVO. NIVO is given as flat dose of 240 mg on day 1 every 14 days for 6 months, then 480 mg q4-weekly in responding pts until PD or unacceptable toxicity. The primary end point is ORR. Secondary endpoints are PFS, OS, ORR of irradiated and non-irradiated metastasis and safety profile. Results: 69 pts were enrolled from July 2017 to March 2019 in 12 Italian centers. Pt characteristics were: 79.7% clear cell histology, 82.6% males, 79.7%% IMDC intermediate/poor, median age 67 yrs (43-85), 18.8% third line, 21.7% non-nephrectomy. The most frequent sites of SBRT were lung (37.7%), lymphonodes (15.9%), bone (11.6%). At the time of this analysis, median number of NIVO doses received was 12 (1-32). The ORR was 19% (1 CR) and DCR 63.5% (no statistically difference between site of SBRT and ORR); the largest benefit in pts with clear cell histology (p=0.01). Median PFS was 4 months (95%CI, 2.8-7.1), median OS 22.1 months (95%CI, 18.1-NR). With a median follow-up of 15 months (0-25.6), 6-month and 9-month survival rates were 80.3% and 56.1% respectively. 7 pts (10.1%) discontinued treatment due to AEs; grade(G) 3-4 toxicities related to NIVO were experienced in 17 pts (24.6%). The most frequent G3-4 toxicities included diarrhea (5.8%), amylase/lipase increased (4.3%) and hypothyroidism (4.3%); no G3-4 toxicities related to SBRT. Conclusions: The NIVES Study represents the first prospective trial of NIVO and SBRT combination in pre-treated mRCC pts. At present the Study showed a high DCR and no-increase of toxicity. It is ongoing the analysis of correlation between efficacy and PD-L1 expression. Clinical trial information: NCT03469713.
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