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0 0.5 1 1.5 2+ Symptom resolution 40% Improvement Relative Risk Resolution of fever 38% Probiotics for COVID-19  Catinean et al.  Prophylaxis Is prophylaxis with probiotics beneficial for COVID-19? Retrospective 120 patients in Romania (September 2020 - February 2021) Improved recovery with probiotics (p=0.0082) Catinean et al., Nutrients, January 2023 Favors probiotics Favors control

Ongoing Treatment with a Spore-Based Probiotic Containing Five Strains of Bacillus Improves Outcomes of Mild COVID-19

Catinean et al., Nutrients, doi:10.3390/nu15030488
Jan 2023  
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Probiotics for COVID-19
17th treatment shown to reduce risk in March 2021
*, now known with p = 0.0000013 from 26 studies.
No treatment is 100% effective. Protocols combine complementary and synergistic treatments. * >10% efficacy in meta analysis with ≥3 clinical studies.
4,100+ studies for 60+ treatments.
Retrospective 60 patients in Romania taking probiotics and 60 matched controls, showing faster symptom resolution with the use of probiotics. Spore-based probiotic containing five strains of Bacillus.
The immune effects of probiotics are strain-specific.
symptom resolution, 40.5% lower, HR 0.60, p = 0.008, treatment 60, control 60, inverted to make HR<1 favor treatment.
resolution of fever, 37.5% lower, HR 0.62, p = 0.02, treatment 60, control 60, inverted to make HR<1 favor treatment, fever.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Catinean et al., 17 Jan 2023, retrospective, Romania, peer-reviewed, 4 authors, study period 15 September, 2020 - 15 February, 2021. Contact: (corresponding author).
This PaperProbioticsAll
Ongoing Treatment with a Spore-Based Probiotic Containing Five Strains of Bacillus Improves Outcomes of Mild COVID-19
Adrian Catinean, Anamaria Sida, Celina Silvestru, Gheorghe G Balan
Nutrients, doi:10.3390/nu15030488
Spore-based Bacillus probiotic treatment improves intestinal health. The intestinal microbiota influences both the innate and adaptive immune responses. As such, the influence of ongoing spore-based probiotic treatment (five probiotic strains of Bacillus) on the clinical outcomes of mild COVID-19 was evaluated in this retrospective, observational study. Demographics, medical history, probiotic use, and COVID-19 symptom information were collected. The study included 120 patients with a PCR-confirmed SARS-CoV-2 infection and mild COVID-19 symptoms. The probiotic group (n = 60) comprised patients with ongoing probiotic treatment (≥1 month); the control group comprised patients not taking probiotics (n = 60). The primary outcome was time to symptom resolution; secondary outcomes included time to fever resolution and presence of digestive symptoms. The probiotic group had a significantly shorter time to symptom resolution (mean (95% confidence interval) days: control group, 8.48 (6.56, 10.05); probiotic group, 6.63 (5.56; 6.63); p = 0.003) and resolution of fever (control group, 2.67 (1.58, 3.61); probiotic group, 1.48 (1.21, 2.03); p < 0.001). More patients in the probiotic group (n = 53) than in the control group (n = 34) did not have digestive symptoms (p < 0.001). Among adults with mild COVID-19, participants receiving ongoing probiotic treatment had a shorter clinical course, and fewer had digestive symptoms compared with those not taking probiotics.
Conflicts of Interest: The authors have no conflict of interest to disclose.
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