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0 0.5 1 1.5 2+ Mortality 67% Improvement Relative Risk Recovery 63% Colchicine  Gorial et al.  LATE TREATMENT  RCT Is late treatment with colchicine beneficial for COVID-19? RCT 160 patients in Iraq Improved recovery with colchicine (p=0.001) Gorial et al., Annals of Medicine and .., Apr 2022 Favors colchicine Favors control

Randomized controlled trial of colchicine add on to the standard therapy in moderate and severe corona virus Disease-19 infection

Gorial et al., Annals of Medicine and Surgery, doi:10.1016/j.amsu.2022.103593
Apr 2022  
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RCT with 80 colchicine and 80 control patients, showing improved recovery with treatment. SOC included vitamin C, vitamin D, and zinc.
risk of death, 66.7% lower, RR 0.33, p = 0.62, treatment 1 of 80 (1.2%), control 3 of 80 (3.8%), NNT 40.
risk of no recovery, 62.8% lower, HR 0.37, p < 0.001, treatment 80, control 80, inverted to make HR<1 favor treatment, Cox proportional hazards.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Gorial et al., 12 Apr 2022, Randomized Controlled Trial, Iraq, peer-reviewed, 6 authors, dosage 1mg days 1-7, 0.5mg days 8-15.
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Randomized controlled trial of colchicine add on to the standard therapy in moderate and severe corona virus Disease-19 infection
Faiq I Gorial, Mohammed Fauzi Maulood, Ahmed S Abdulamir, Ahmed Sameer Alnuaimi, Manal K Abdulrrazaq, Fadil Agla Bonyan
Annals of Medicine and Surgery, doi:10.1016/j.amsu.2022.103593
This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.
Conflict of interest statement None. Trial registry number
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Late treatment
is less effective
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