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. 2021 Apr 30;21:91. doi: 10.1186/s12874-021-01291-0

Table 2.

Comparison of data on clinical trials between the “pandemic period 2020” and the same period in 2019

2019
(11/03–30/06)
2020
(11/03–30/06)
No. interventional trials open for enrolment 16 13
No. centers activated in multicenter trials 0 4
No. patients registered/randomized 48 53
No. on site/remote monitoring visits performed 6 11