[COVID-19 in subjects at risk participating in clinical trials during the pandemic in Argentina].

Introduction: There is little information on the presence of COVID-19 in clinical trial participants. The objective of the study was to evaluate the cumulative infection rate for SARS-CoV-2 in this population. Additionally, we investigated the risk, lethality, and mortality from COVID-19.

[Degree of satisfaction with the informed consent process and participation in clinical trials. A 3400 patients' study].

The level of comprehension on the information provided in the process of the informed consent can provide a free and voluntary decision. The comprehension and satisfaction of the participants affect their adherence to clinical trials. The objective of the study was to analyze the level of satisfaction of the subjects with the informed consent process as well as with their participation in clinical trials.