A Phase 3 Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy and Safety of Bemnifosbuvir in High-Risk Outpatients With COVID-19

Hammond et al., NCT05629962, SUNRISE-3, NCT05629962, May 2024
Mortality -202% improvement lower risk ← → higher risk Hospitalization, all-ca.. -253% Hospitalization, COVI.. -102% Medical visits 24% Bemnifosbuvir  SUNRISE-3  EARLY TREATMENT RCT Is early treatment with bemnifosbuvir beneficial for COVID-19? Double-blind RCT 2,285 patients in the USA Higher mortality (p=0.37) and hospitalization (p=0.11), not sig. c19early.org Hammond et al., NCT05629962, May 2024 0 0.5 1 1.5 2+ RR
RCT 2,285 high-risk outpatients showing no significant difference in outcomes with bemnifosbuvir treatment.
Standard of Care (SOC) for COVID-19 in the study country, the USA, is very poor with very low average efficacy for approved treatments1. Only expensive, high-profit treatments were approved for early treatment. Low-cost treatments were excluded, reducing the probability of early treatment due to access and cost barriers, and eliminating complementary and synergistic benefits seen with many low-cost treatments.
risk of death, 202.4% higher, RR 3.02, p = 0.37, treatment 3 of 1,130 (0.3%), control 1 of 1,139 (0.1%).
risk of hospitalization, 253.0% higher, RR 3.53, p = 0.11, treatment 7 of 1,058 (0.7%), control 2 of 1,067 (0.2%), all-cause hospitalization or mortality.
risk of hospitalization, 101.7% higher, RR 2.02, p = 0.45, treatment 4 of 1,058 (0.4%), control 2 of 1,067 (0.2%), COVID-19 hospitalization or all-cause mortality.
medical visits, 24.4% lower, RR 0.76, p = 0.66, treatment 9 of 1,058 (0.9%), control 12 of 1,067 (1.1%), NNT 365, medical visits or mortality.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Hammond et al., 30 May 2024, Double Blind Randomized Controlled Trial, placebo-controlled, USA, preprint, 1 author, trial NCT05629962 (history) (SUNRISE-3). Contact: ateaclinicaltrials@ateapharma.com.
$0 $500 $1,000+ Efficacy vs. cost for COVID-19 treatment protocols c19early.org November 2025 USA Russia Sudan Angola Colombia Kenya Mozambique Vietnam Peru Philippines Spain Brazil Italy France Japan Canada China Uzbekistan Nepal Ethiopia Iran Ghana Mexico South Korea Germany Bangladesh Saudi Arabia Algeria Morocco Yemen Poland India DR Congo Madagascar Thailand Uganda Venezuela Nigeria Egypt Bolivia Taiwan Zambia Fiji Bosnia-Herzegovina Ukraine Côte d'Ivoire Bulgaria Greece Slovakia Singapore Iceland New Zealand Czechia Mongolia Israel Trinidad and Tobago Hong Kong North Macedonia Belarus Qatar Panama Serbia CAR USA favored high-profit treatments.The average efficacy of treatments was very low.High-cost protocols reduce early treatment, andforgo complementary/synergistic benefits. More effective More expensive 75% 50% 25% ≤0%
$0 $500 $1,000+ Efficacy vs. cost for COVID-19treatment protocols worldwide c19early.org November 2025 USA Russia Sudan Angola Colombia Kenya Mozambique Vietnam Peru Philippines Spain Brazil Italy France Japan Canada China Uzbekistan Nepal Ethiopia Iran Ghana Mexico South Korea Germany Bangladesh Saudi Arabia Algeria Morocco Yemen Poland India DR Congo Madagascar Thailand Uganda Venezuela Nigeria Egypt Bolivia Taiwan Zambia Fiji Ukraine Côte d'Ivoire Eritrea Bulgaria Greece Slovakia Singapore New Zealand Malawi Czechia Mongolia Israel Trinidad and Tobago North Macedonia Belarus Qatar Panama Serbia Syria USA favored high-profit treatments.The average efficacy was very low.High-cost protocols reduce early treatment,and forgo complementary/synergistic benefits. More effective More expensive 75% 50% 25% ≤0%
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