No serious adverse events were reported for treatment with
mesenchymal stromal cells and all minor adverse events related to mesenchymal stromal cell treatment resolved spontaneously.
Quarantine of people exposed to confirmed or suspected cases prevented between 44% and 81% of incident cases and between 31% and 63% of deaths, compared to no measure, according to different scenarios (incident cases: four modeling studies on COVID-19, SARS; mortality: two modeling studies on COVID-19, SARS, low-certainty evidence)
Data suggest that the harms from using the 4-aminoquinolines, chloroquine and hydroxychloroquine, to treat established covid-19 outweigh their benefits and that there is no benefit in post-exposure prophylaxis
Patients with severe COVID-19 can develop cytokine release syndrome (“cytokine storm”) and are reported to have high circulating IL-6 concentrations. Tocilizumab is a recombinant humanized anti-human IgG1 monoclonal antibody directed against the interleukin-6 receptor (IL-6R). It has therefore been proposed to be of value in the management of severe COVID-19.
Serious and sometimes fatal infections have been reported. The manufacturer therefore recommends that treatment should not be started ...
Prescrire bilan. Towards better patient care: drugs to avoid
Prescrire International
It can cause serious and even life-threatening cardiovas- cular disorders (hypertensive crisis, stroke, and arrhythmias, including atrial fibrillation), as well as ischaemic colitis. These adverse effects are unac- ceptable for drugs indicated for minor, rapidly self-resolving symptoms such as those associated with the common cold