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Outcomes in COVID-19 nitazoxanide studies

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All studies   Exclusions   Mortality   Ventilation   ICU   Hospitalization   Serious outcomes   Recovery   Cases   Viral clearance   RCTs   RCT mortality   Peer-reviewed   All outcomes  
0 0.5 1 1.5+ All studies 35% 14 3,632 Improvement, Studies, Patients Relative Risk Mortality 42% 6 1,877 Ventilation 82% 3 588 ICU admission 28% 3 841 Hospitalization 61% 6 1,864 Progression -16% 3 1,007 Recovery 6% 6 1,335 Cases 13% 2 1,747 Viral clearance 38% 7 865 RCTs 17% 11 2,981 RCT mortality 28% 4 1,339 Peer-reviewed 50% 11 2,644 Prophylaxis 44% 2 531 Early 29% 8 2,545 Late 12% 4 556 Nitazoxanide for COVID-19 c19early.org May 2025 after exclusions Favorsnitazoxanide Favorscontrol
0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Rocco (RCT) -404% 5.04 [0.24-104] ICU 2/194 0/198 Improvement, RR [CI] Treatment Control Cadegiani 88% 0.12 [0.01-2.52] death 0/357 2/137 Elalfy 87% 0.13 [0.06-0.27] viral+ 7/62 44/51 CT​2​ Silva (SB RCT) 26% 0.74 [0.38-1.41] viral+ 23 (n) 13 (n) Rossignol (DB RCT) -206% 3.06 [0.13-74.6] death 1/184 0/195 ANTICOV ANTICOV (RCT) -188% 2.88 [1.05-7.85] progression 15/462 5/443 OT​1​ CT​2​ Medhat (RCT) 56% 0.44 [0.22-0.88] viral+ 77 (n) 73 (n) Chandiwana (RCT) -13% 1.13 [0.23-5.46] progression 37 (n) 39 (n) CT​2​ FANTAZE Smith (DB RCT) unknown, >2 years late 120 (total) Tau​2​ = 1.04, I​2​ = 78.3%, p = 0.46 Early treatment 29% 0.71 [0.29-1.73] 25/1,396 51/1,149 29% lower risk Blum (DB RCT) 67% 0.33 [0.07-1.50] death 2/25 6/25 Improvement, RR [CI] Treatment Control Calderón 68% 0.32 [0.04-2.49] death 1/17 5/27 OT​1​ Fowotade (RCT) -11% 1.11 [0.61-2.03] no recov. 31 (n) 26 (n) CT​2​ Rocco (DB RCT) -5% 1.05 [0.30-3.50] death 6/202 5/203 Tau​2​ = 0.03, I​2​ = 7.9%, p = 0.65 Late treatment 12% 0.88 [0.52-1.50] 9/275 16/281 12% lower risk COVER Sokhela (RCT) 66% 0.34 [0.01-8.41] death 0/240 1/265 Improvement, RR [CI] Treatment Control Romark (DB RCT) 43% 0.57 [0.35-0.92] progression 13 (n) 13 (n) Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.017 Prophylaxis 44% 0.56 [0.35-0.90] 0/253 1/278 44% lower risk All studies 35% 0.65 [0.39-1.08] 34/1,924 68/1,708 35% lower risk 14 nitazoxanide COVID-19 studies (+1 unreported RCT) c19early.org May 2025 Tau​2​ = 0.47, I​2​ = 67.0%, p = 0.097 Effect extraction pre-specified(most serious outcome) ​1​ OT: comparison with other treatment​2​ CT: study uses combined treatment Favors nitazoxanide Favors control 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Rocco (RCT) -404% 5.04 [0.24-104] ICU 2/194 0/198 Improvement, RR [CI] Treatment Control Cadegiani 88% 0.12 [0.01-2.52] death 0/357 2/137 Elalfy 87% 0.13 [0.06-0.27] viral+ 7/62 44/51 CT​2​ Silva (SB RCT) 26% 0.74 [0.38-1.41] viral+ 23 (n) 13 (n) Rossignol (DB RCT) -206% 3.06 [0.13-74.6] death 1/184 0/195 Medhat (RCT) 56% 0.44 [0.22-0.88] viral+ 77 (n) 73 (n) Chandiwana (RCT) -13% 1.13 [0.23-5.46] progression 37 (n) 39 (n) CT​2​ Tau​2​ = 0.67, I​2​ = 69.3%, p = 0.12 Early treatment 49% 0.51 [0.22-1.18] 10/934 46/706 49% lower risk Blum (DB RCT) 67% 0.33 [0.07-1.50] death 2/25 6/25 Improvement, RR [CI] Treatment Control Calderón 68% 0.32 [0.04-2.49] death 1/17 5/27 OT​1​ Fowotade (RCT) -11% 1.11 [0.61-2.03] no recov. 31 (n) 26 (n) CT​2​ Rocco (DB RCT) -5% 1.05 [0.30-3.50] death 6/202 5/203 Tau​2​ = 0.03, I​2​ = 7.9%, p = 0.65 Late treatment 12% 0.88 [0.52-1.50] 9/275 16/281 12% lower risk COVER Sokhela (RCT) 66% 0.34 [0.01-8.41] death 0/240 1/265 Improvement, RR [CI] Treatment Control Romark (DB RCT) 43% 0.57 [0.35-0.92] progression 13 (n) 13 (n) Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.017 Prophylaxis 44% 0.56 [0.35-0.90] 0/253 1/278 44% lower risk All studies 44% 0.56 [0.35-0.90] 19/1,462 63/1,265 44% lower risk 13 nitazoxanide COVID-19 studies after exclusions c19early.org May 2025 Tau​2​ = 0.34, I​2​ = 59.6%, p = 0.017 Effect extraction pre-specified(most serious outcome) ​1​ OT: comparison with other treatment​2​ CT: study uses combined treatment Favors nitazoxanide Favors control 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Cadegiani 88% 0.12 [0.01-2.52] 0/357 2/137 Improvement, RR [CI] Treatment Control Rossignol (DB RCT) -206% 3.06 [0.13-74.6] 1/184 0/195 Tau​2​ = 2.67, I​2​ = 51.4%, p = 0.75 Early treatment 41% 0.59 [0.02-13.8] 1/541 2/332 41% lower risk Blum (DB RCT) 67% 0.33 [0.07-1.50] 2/25 6/25 Improvement, RR [CI] Treatment Control Calderón 68% 0.32 [0.04-2.49] 1/17 5/27 OT​1​ Rocco (DB RCT) -5% 1.05 [0.30-3.50] 6/202 5/203 Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.23 Late treatment 40% 0.60 [0.26-1.39] 9/244 16/255 40% lower risk COVER Sokhela (RCT) 66% 0.34 [0.01-8.41] 0/240 1/265 Improvement, RR [CI] Treatment Control Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.52 Prophylaxis 66% 0.34 [0.01-8.41] 0/240 1/265 66% lower risk All studies 42% 0.58 [0.27-1.24] 10/1,025 19/852 42% lower risk 6 nitazoxanide COVID-19 mortality results c19early.org May 2025 Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.16 ​1​ OT: comparison with other treatment Favors nitazoxanide Favors control 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Cadegiani 97% 0.03 [0.00-0.51] 0/357 9/137 Improvement, RR [CI] Treatment Control Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.015 Early treatment 97% 0.03 [0.00-0.51] 0/357 9/137 97% lower risk Blum (DB RCT) 62% 0.38 [0.11-1.25] 3/25 8/25 Improvement, RR [CI] Treatment Control Calderón 87% 0.13 [0.01-2.33] 0/17 4/27 OT​1​ Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.044 Late treatment 68% 0.32 [0.11-0.97] 3/42 12/52 68% lower risk All studies 82% 0.18 [0.04-0.76] 3/399 21/189 82% lower risk 3 nitazoxanide COVID-19 mechanical ventilation results c19early.org May 2025 Tau​2​ = 0.50, I​2​ = 27.5%, p = 0.019 ​1​ OT: comparison with other treatment Favors nitazoxanide Favors control 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Rocco (RCT) -404% 5.04 [0.24-104] 2/194 0/198 Improvement, RR [CI] Treatment Control Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.3 Early treatment -404% 5.04 [0.24-104] 2/194 0/198 404% higher risk Calderón 59% 0.41 [0.25-0.59] 0/17 16/27 OT​1​ Improvement, RR [CI] Treatment Control Rocco (DB RCT) 31% 0.69 [0.40-1.17] 20/202 30/203 Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.15 Late treatment 32% 0.68 [0.40-1.15] 20/219 46/230 32% lower risk All studies 28% 0.72 [0.43-1.21] 22/413 46/428 28% lower risk 3 nitazoxanide COVID-19 ICU results c19early.org May 2025 Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.22 ​1​ OT: comparison with other treatment Favors nitazoxanide Favors control 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Rocco (RCT) -2% 1.02 [0.30-3.47] hosp. 5/194 5/198 Improvement, RR [CI] Treatment Control Cadegiani 99% 0.01 [0.00-0.17] hosp. 0/357 27/137 Rossignol (DB RCT) 79% 0.21 [0.02-1.80] hosp. 1/184 5/195 Tau​2​ = 3.68, I​2​ = 78.4%, p = 0.16 Early treatment 83% 0.17 [0.01-2.00] 6/735 37/530 83% lower risk Blum (DB RCT) 56% 0.44 [0.22-0.89] hosp. time 25 (n) 25 (n) Improvement, RR [CI] Treatment Control Calderón 52% 0.48 [0.29-0.82] hosp. time 17 (n) 27 (n) OT​1​ Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.0004 Late treatment 53% 0.47 [0.31-0.71] 42 (n) 52 (n) 53% lower risk COVER Sokhela (RCT) 79% 0.21 [0.01-4.31] hosp. 0/240 2/265 Improvement, RR [CI] Treatment Control Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.31 Prophylaxis 79% 0.21 [0.01-4.31] 0/240 2/265 79% lower risk All studies 61% 0.39 [0.20-0.78] 6/1,017 39/847 61% lower risk 6 nitazoxanide COVID-19 hospitalization results c19early.org May 2025 Tau​2​ = 0.29, I​2​ = 47.9%, p = 0.0078 ​1​ OT: comparison with other treatment Favors nitazoxanide Favors control 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Rocco (RCT) -404% 5.04 [0.24-104] ICU 2/194 0/198 Improvement, RR [CI] Treatment Control Cadegiani 88% 0.12 [0.01-2.52] death 0/357 2/137 Rossignol (DB RCT) -206% 3.06 [0.13-74.6] death 1/184 0/195 ANTICOV ANTICOV (RCT) -188% 2.88 [1.05-7.85] progression 15/462 5/443 OT​1​ CT​2​ Chandiwana (RCT) -13% 1.13 [0.23-5.46] progression 37 (n) 39 (n) CT​2​ Tau​2​ = 0.18, I​2​ = 15.0%, p = 0.2 Early treatment -82% 1.82 [0.73-4.53] 18/1,234 7/1,012 82% higher risk Blum (DB RCT) 67% 0.33 [0.07-1.50] death 2/25 6/25 Improvement, RR [CI] Treatment Control Calderón 68% 0.32 [0.04-2.49] death 1/17 5/27 OT​1​ Rocco (DB RCT) -5% 1.05 [0.30-3.50] death 6/202 5/203 Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.23 Late treatment 40% 0.60 [0.26-1.39] 9/244 16/255 40% lower risk COVER Sokhela (RCT) 66% 0.34 [0.01-8.41] death 0/240 1/265 Improvement, RR [CI] Treatment Control Romark (DB RCT) 43% 0.57 [0.35-0.92] progression 13 (n) 13 (n) Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.017 Prophylaxis 44% 0.56 [0.35-0.90] 0/253 1/278 44% lower risk All studies 15% 0.85 [0.46-1.55] 27/1,731 24/1,545 15% lower risk 10 nitazoxanide COVID-19 serious outcomes c19early.org May 2025 Tau​2​ = 0.30, I​2​ = 37.6%, p = 0.6 Effect extraction pre-specified(most serious outcome) ​1​ OT: comparison with other treatment​2​ CT: study uses combined treatment Favors nitazoxanide Favors control 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Rocco (RCT) -16% 1.16 [0.84-1.59] no recov. 59/194 52/198 Improvement, RR [CI] Treatment Control Rossignol (DB RCT) -7% 1.07 [0.46-2.49] recov. time 184 (n) 195 (n) Chandiwana (RCT) -23% 1.23 [0.73-2.08] recov. time 37 (n) 39 (n) CT​1​ Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.23 Early treatment -17% 1.17 [0.91-1.51] 59/415 52/432 17% higher risk Fowotade (RCT) -11% 1.11 [0.61-2.03] no recov. 31 (n) 26 (n) CT​1​ Improvement, RR [CI] Treatment Control Rocco (DB RCT) 27% 0.73 [0.58-0.90] no disch. 202 (n) 203 (n) Tau​2​ = 0.04, I​2​ = 45.6%, p = 0.33 Late treatment 17% 0.83 [0.57-1.21] 233 (n) 229 (n) 17% lower risk Romark (DB RCT) 50% 0.50 [0.22-1.13] no recov. 13 (n) 13 (n) Improvement, RR [CI] Treatment Control Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.097 Prophylaxis 50% 0.50 [0.22-1.13] 13 (n) 13 (n) 50% lower risk All studies 6% 0.94 [0.72-1.23] 59/661 52/674 6% lower risk 6 nitazoxanide COVID-19 recovery results c19early.org May 2025 Tau​2​ = 0.05, I​2​ = 51.0%, p = 0.67 ​1​ CT: study uses combined treatment Favors nitazoxanide Favors control 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ COVER Sokhela (RCT) 17% 0.83 [0.50-1.40] symp. case 23/240 37/265 Improvement, RR [CI] Treatment Control Romark (DB RCT) 3% 0.97 [0.46-2.09] cases 13/629 13/613 Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.52 Prophylaxis 13% 0.87 [0.58-1.31] 36/869 50/878 13% lower risk All studies 13% 0.87 [0.58-1.31] 36/869 50/878 13% lower risk 2 nitazoxanide COVID-19 case results c19early.org May 2025 Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.52 Favors nitazoxanide Favors control 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Rocco (RCT) 12% 0.88 [0.80-0.96] viral+ 194 (n) 198 (n) Improvement, RR [CI] Treatment Control Elalfy 87% 0.13 [0.06-0.27] viral+ 7/62 44/51 CT​1​ Silva (SB RCT) 26% 0.74 [0.38-1.41] viral+ 23 (n) 13 (n) Medhat (RCT) 56% 0.44 [0.22-0.88] viral+ 77 (n) 73 (n) Chandiwana (RCT) -67% 1.67 [0.85-3.23] viral+ 27/37 25/38 CT​1​ Tau​2​ = 0.37, I​2​ = 91.9%, p = 0.11 Early treatment 38% 0.62 [0.35-1.11] 34/393 69/373 38% lower risk Blum (DB RCT) 90% 0.10 [0.01-0.85] viral+ 0/23 4/19 Improvement, RR [CI] Treatment Control Fowotade (RCT) 5% 0.95 [0.34-2.64] viral load 31 (n) 26 (n) CT​1​ Tau​2​ = 1.31, I​2​ = 52.6%, p = 0.48 Late treatment 53% 0.47 [0.06-3.59] 0/54 4/45 53% lower risk All studies 38% 0.62 [0.37-1.05] 34/447 73/418 38% lower risk 7 nitazoxanide COVID-19 viral clearance results c19early.org May 2025 Tau​2​ = 0.35, I​2​ = 88.3%, p = 0.076 ​1​ CT: study uses combined treatment Favors nitazoxanide Favors control 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Rocco (RCT) -404% 5.04 [0.24-104] ICU 2/194 0/198 Improvement, RR [CI] Treatment Control Silva (SB RCT) 26% 0.74 [0.38-1.41] viral+ 23 (n) 13 (n) Rossignol (DB RCT) -206% 3.06 [0.13-74.6] death 1/184 0/195 ANTICOV ANTICOV (RCT) -188% 2.88 [1.05-7.85] progression 15/462 5/443 OT​1​ CT​2​ Medhat (RCT) 56% 0.44 [0.22-0.88] viral+ 77 (n) 73 (n) Chandiwana (RCT) -13% 1.13 [0.23-5.46] progression 37 (n) 39 (n) CT​2​ FANTAZE Smith (DB RCT) unknown, >2 years late 120 (total) Tau​2​ = 0.39, I​2​ = 56.0%, p = 0.87 Early treatment -7% 1.07 [0.51-2.23] 18/977 5/961 7% higher risk Blum (DB RCT) 67% 0.33 [0.07-1.50] death 2/25 6/25 Improvement, RR [CI] Treatment Control Fowotade (RCT) -11% 1.11 [0.61-2.03] no recov. 31 (n) 26 (n) CT​2​ Rocco (DB RCT) -5% 1.05 [0.30-3.50] death 6/202 5/203 Tau​2​ = 0.03, I​2​ = 8.5%, p = 0.86 Late treatment 5% 0.95 [0.55-1.63] 8/258 11/254 5% lower risk COVER Sokhela (RCT) 66% 0.34 [0.01-8.41] death 0/240 1/265 Improvement, RR [CI] Treatment Control Romark (DB RCT) 43% 0.57 [0.35-0.92] progression 13 (n) 13 (n) Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.017 Prophylaxis 44% 0.56 [0.35-0.90] 0/253 1/278 44% lower risk All studies 17% 0.83 [0.57-1.23] 26/1,488 17/1,493 17% lower risk 11 nitazoxanide COVID-19 Randomized Controlled Trials c19early.org May 2025 Tau​2​ = 0.14, I​2​ = 39.0%, p = 0.36 Effect extraction pre-specified(most serious outcome) ​1​ OT: comparison with other treatment​2​ CT: study uses combined treatment Favors nitazoxanide Favors control 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Rossignol (DB RCT) -206% 3.06 [0.13-74.6] 1/184 0/195 Improvement, RR [CI] Treatment Control Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.5 Early treatment -206% 3.06 [0.13-74.6] 1/184 0/195 206% higher risk Blum (DB RCT) 67% 0.33 [0.07-1.50] 2/25 6/25 Improvement, RR [CI] Treatment Control Rocco (DB RCT) -5% 1.05 [0.30-3.50] 6/202 5/203 Tau​2​ = 0.19, I​2​ = 28.2%, p = 0.46 Late treatment 35% 0.65 [0.22-1.98] 8/227 11/228 35% lower risk COVER Sokhela (RCT) 66% 0.34 [0.01-8.41] 0/240 1/265 Improvement, RR [CI] Treatment Control Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.52 Prophylaxis 66% 0.34 [0.01-8.41] 0/240 1/265 66% lower risk All studies 28% 0.72 [0.31-1.70] 9/651 12/688 28% lower risk 4 nitazoxanide COVID-19 RCT mortality results c19early.org May 2025 Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.46 Favors nitazoxanide Favors control 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Rocco (RCT) -404% 5.04 [0.24-104] ICU 2/194 0/198 Improvement, RR [CI] Treatment Control Cadegiani 88% 0.12 [0.01-2.52] death 0/357 2/137 Elalfy 87% 0.13 [0.06-0.27] viral+ 7/62 44/51 CT​2​ Silva (SB RCT) 26% 0.74 [0.38-1.41] viral+ 23 (n) 13 (n) Rossignol (DB RCT) -206% 3.06 [0.13-74.6] death 1/184 0/195 Medhat (RCT) 56% 0.44 [0.22-0.88] viral+ 77 (n) 73 (n) Chandiwana (RCT) -13% 1.13 [0.23-5.46] progression 37 (n) 39 (n) CT​2​ Tau​2​ = 0.67, I​2​ = 69.3%, p = 0.12 Early treatment 49% 0.51 [0.22-1.18] 10/934 46/706 49% lower risk Blum (DB RCT) 67% 0.33 [0.07-1.50] death 2/25 6/25 Improvement, RR [CI] Treatment Control Calderón 68% 0.32 [0.04-2.49] death 1/17 5/27 OT​1​ Rocco (DB RCT) -5% 1.05 [0.30-3.50] death 6/202 5/203 Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.23 Late treatment 40% 0.60 [0.26-1.39] 9/244 16/255 40% lower risk COVER Sokhela (RCT) 66% 0.34 [0.01-8.41] death 0/240 1/265 Improvement, RR [CI] Treatment Control Tau​2​ = 0.00, I​2​ = 0.0%, p = 0.52 Prophylaxis 66% 0.34 [0.01-8.41] 0/240 1/265 66% lower risk All studies 50% 0.50 [0.27-0.91] 19/1,418 63/1,226 50% lower risk 11 nitazoxanide COVID-19 peer reviewed studies c19early.org May 2025 Tau​2​ = 0.45, I​2​ = 54.7%, p = 0.024 Effect extraction pre-specified(most serious outcome) ​1​ OT: comparison with other treatment​2​ CT: study uses combined treatment Favors nitazoxanide Favors control 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Rocco (RCT) -404% 5.04 [0.24-104] ICU 2/194 0/198 Improvement, RR [CI] Treatment Control Rocco (RCT) -2% 1.02 [0.30-3.47] hosp. 5/194 5/198 Rocco (RCT) -16% 1.16 [0.84-1.59] no recov. 59/194 52/198 Rocco (RCT) 12% 0.88 [0.80-0.96] viral+ 194 (n) 198 (n) Rocco (RCT) 14% 0.86 [0.77-0.96] viral+ 136/194 162/198 Cadegiani 88% 0.12 [0.01-2.52] death 0/357 2/137 Cadegiani 97% 0.03 [0.00-0.51] ventilation 0/357 9/137 Cadegiani 99% 0.01 [0.00-0.17] hosp. 0/357 27/137 Elalfy 87% 0.13 [0.06-0.27] viral+ 7/62 44/51 CT​2​ Elalfy 58% 0.42 [0.31-0.56] viral+ 26/62 51/51 CT​2​ Silva (SB RCT) 26% 0.74 [0.38-1.41] viral+ 23 (n) 13 (n) Silva (SB RCT) 38% 0.62 [0.36-1.05] viral+ 12/23 11/13 Rossignol (DB RCT) -206% 3.06 [0.13-74.6] death 1/184 0/195 Rossignol (DB RCT) 79% 0.21 [0.02-1.80] hosp. 1/184 5/195 Rossignol (DB RCT) 85% 0.15 [0.02-1.22] severe case 1/184 7/195 Rossignol (DB RCT) 84% 0.16 [0.02-1.29] severe case 1/112 7/126 Rossignol (DB RCT) -7% 1.07 [0.46-2.49] recov. time 184 (n) 195 (n) ANTICOV ANTICOV (RCT) -188% 2.88 [1.05-7.85] progression 15/462 5/443 OT​1​ CT​2​ Medhat (RCT) 56% 0.44 [0.22-0.88] viral+ 77 (n) 73 (n) Chandiwana (RCT) -13% 1.13 [0.23-5.46] progression 37 (n) 39 (n) CT​2​ Chandiwana (RCT) -23% 1.23 [0.73-2.08] recov. time 37 (n) 39 (n) CT​2​ Chandiwana (RCT) -67% 1.67 [0.85-3.23] viral+ 27/37 25/38 CT​2​ Blum (DB RCT) 67% 0.33 [0.07-1.50] death 2/25 6/25 Blum (DB RCT) 62% 0.38 [0.11-1.25] ventilation 3/25 8/25 Blum (DB RCT) 56% 0.44 [0.22-0.89] hosp. time 25 (n) 25 (n) Blum (DB RCT) 90% 0.10 [0.01-0.85] viral+ 0/23 4/19 Calderón 68% 0.32 [0.04-2.49] death 1/17 5/27 OT​1​ Calderón 87% 0.13 [0.01-2.33] ventilation 0/17 4/27 OT​1​ Calderón 59% 0.41 [0.25-0.59] ICU 0/17 16/27 OT​1​ Calderón 52% 0.48 [0.29-0.82] hosp. time 17 (n) 27 (n) OT​1​ Fowotade (RCT) -11% 1.11 [0.61-2.03] no recov. 31 (n) 26 (n) CT​2​ Fowotade (RCT) -87% 1.87 [0.88-3.98] no recov. 31 (n) 26 (n) CT​2​ Fowotade (RCT) 5% 0.95 [0.34-2.64] viral load 31 (n) 26 (n) CT​2​ Rocco (DB RCT) -5% 1.05 [0.30-3.50] death 6/202 5/203 Rocco (DB RCT) 31% 0.69 [0.40-1.17] ICU 20/202 30/203 Rocco (DB RCT) 40% 0.60 [0.35-1.02] oxygen 22/202 33/203 Rocco (DB RCT) 64% 0.36 [0.29-0.45] no improv. 202 (n) 203 (n) Rocco (DB RCT) 34% 0.66 [0.38-1.15] no improv. 202 (n) 203 (n) Rocco (DB RCT) 27% 0.73 [0.58-0.90] no disch. 202 (n) 203 (n) Rocco (DB RCT) 8% 0.92 [0.55-1.52] no disch. 202 (n) 203 (n) COVER Sokhela (RCT) 66% 0.34 [0.01-8.41] death 0/240 1/265 COVER Sokhela (RCT) 79% 0.21 [0.01-4.31] hosp. 0/240 2/265 COVER Sokhela (RCT) 17% 0.83 [0.50-1.40] symp. case 23/240 37/265 COVER Sokhela (RCT) -21% 1.21 [0.29-1.58] cases 23/240 37/265 Romark (DB RCT) 43% 0.57 [0.35-0.92] progression 13 (n) 13 (n) Romark (DB RCT) 50% 0.50 [0.22-1.13] no recov. 13 (n) 13 (n) Romark (DB RCT) 32% 0.68 [0.32-1.45] no recov. 13 (n) 13 (n) Romark (DB RCT) 28% 0.72 [0.29-1.78] no recov. 13 (n) 13 (n) Romark (DB RCT) 3% 0.97 [0.46-2.09] cases 13/629 13/613 Nitazoxanide COVID-19 outcomes c19early.org May 2025 ​1​ OT: comparison with other treatment​2​ CT: study uses combined treatment Favors nitazoxanide Favors control
Please send us corrections, updates, or comments. c19early involves the extraction of 100,000+ datapoints from thousands of papers. Community updates help ensure high accuracy. Treatments and other interventions are complementary. All practical, effective, and safe means should be used based on risk/benefit analysis. No treatment or intervention is 100% available and effective for all current and future variants. We do not provide medical advice. Before taking any medication, consult a qualified physician who can provide personalized advice and details of risks and benefits based on your medical history and situation. IMA and WCH provide treatment protocols.
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