A Prospective Open-label Study of the Tigerase® Efficacy and Safety as Part of Complex Therapy in Patients With COVID-19

Markova et al., NCT04459325, NCT04459325, Jul 2020

100 patient dornase alfa late treatment RCT with results not reported over 5 years after completion.

4 dornase alfa RCTs have results missing long after expected1-4
The trials report a total of 297 patients, with 2 trials having actual enrollment of 177, and the remainder estimated.

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1. Fowler et al., Pulmozyme to Improve COVID-19 ARDS Outcomes, NCT04402944, clinicaltrials.gov/study/NCT04402944clinicaltrials.gov.

2. Grégoire et al., Efficacy and Safety of Dornase Alfa Aerosol in ARDS Secondary to SARS-CoV-2 Coronavirus Respiratory Infection - COVID-19, NCT04355364, clinicaltrials.gov/study/NCT04355364clinicaltrials.gov.

3. Ovalı et al., Determination of Dornase Alpha Effectiveness in COVID-19 Treatment, NCT04432987, clinicaltrials.gov/study/NCT04432987clinicaltrials.gov.

4. Markova et al., A Prospective Open-label Study of the Tigerase® Efficacy and Safety as Part of Complex Therapy in Patients With COVID-19, NCT04459325, clinicaltrials.gov/study/NCT04459325clinicaltrials.gov.

Markova et al., 20 Jul 2020, Randomized Controlled Trial, Russia, trial NCT04459325 (history).

Late treatment
is less effective