Edoxaban and/or colchicine in outpatients with COVID-19: rationale and design of the CONVINCE trial.

Landi, Antonio; Morici, Nuccia; Vranckx, Pascal; Frigoli, Enrico; Bonacchini, Luca; Omazzi, Barbara; Tresoldi, Moreno; Camponovo, Claudio; Moccetti, Tiziano; Valgimigli, Marco (2023). Edoxaban and/or colchicine in outpatients with COVID-19: rationale and design of the CONVINCE trial. Journal of cardiovascular medicine, 24(12), pp. 920-930. Italian Federation of Cardiology 10.2459/JCM.0000000000001556

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BACKGROUND

An excessive inflammatory response and a hypercoagulable state are not infrequent in patients with coronavirus disease-2019 (COVID-19) and are associated with adverse clinical outcomes. However, the optimal treatment strategy for COVID-19 patients managed in the out-of-hospital setting is still uncertain.

DESIGN

The CONVINCE (NCT04516941) is an investigator-initiated, open-label, blinded-endpoint, 2 × 2 factorial design randomized trial aimed at assessing two independently tested hypotheses (anticoagulation and anti-inflammatory ones) in COVID-19 patients. Adult symptomatic patients (≥18 years of age) within 7 days from reverse transcription-PCR (RT-PCR) diagnosis of SARS-CoV-2 infection managed at home or in nursery settings were considered for eligibility. Eligible patients fulfilling all inclusion and no exclusion criteria were randomized to edoxaban versus no treatment (anticoagulation hypothesis) and colchicine versus no treatment (anti-inflammatory hypothesis) in a 1 : 1:1 : 1 ratio. The study had two co-primary endpoints (one for each randomization), including the composite of major vascular thrombotic events at 25 ± 3 days for the anticoagulation hypothesis and the composite of SARS-CoV-2 detection rates at 14 ± 3 days by RT-PCR or freedom from death or hospitalizations (anti-inflammatory hypothesis). Study endpoints will be adjudicated by a blinded Clinical Events Committee. With a final sample size of 420 patients, this study projects an 80% power for each of the two primary endpoints appraised separately.

CONCLUSION

The CONVINCE trial aims at determining whether targeting anticoagulation and/or anti-inflammatory pathways may confer benefit in COVID-19 patients managed in the out-of-hospital setting.

TRIAL REGISTRATION

ClinicalTrials.gov number, NCT04516941.

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