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All Studies   Meta Analysis    Recent:   
0 0.5 1 1.5 2+ Recovery, day 6 mid-reco.. 84% Improvement Relative Risk Recovery, day 14 91% Recovery, day 10 98% Recovery, day 7 99% Recovery, day 5 59% Recovery, day 4 16% Recovery, day 3 2% Viral clearance, 4th 78% Viral clearance, 3rd 84% Viral clearance, 2nd 26% Propolis  Tran et al.  LATE TREATMENT  RCT Is late treatment with propolis + combined treatments beneficial for COVID-19? RCT 200 patients in Vietnam Improved recovery with propolis + combined treatments (p<0.000001) c19early.org Tran et al., In Vivo, June 2023 Favors propolis Favors control

Therapeutic Efficacy of AFree Oral Spray on the Symptoms and Course of Moderate and Severe COVID-19 in the Field Hospital

Tran et al., In Vivo, doi:10.21873/invivo.13262
Jun 2023  
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RCT 200 hospitalized patients in Vietnam, showing faster recovery with an oral spray containing zinc, propolis, xylitol, ginger, and DMSO.
Targeted administration to the respiratory tract provides treatment directly to the typical source of initial SARS-CoV-2 infection and replication, and allows for rapid onset of action, higher local drug concentration, and reduced systemic side effects (early treatment may be more beneficial).
This study is excluded in meta analysis: many combined treatments which may significantly contribute to the effect seen.
Study covers propolis and zinc.
risk of no recovery, 84.0% lower, RR 0.16, p < 0.001, treatment 15 of 100 (15.0%), control 94 of 100 (94.0%), NNT 1.3, mid-recovery, day 6.
risk of no recovery, 90.9% lower, RR 0.09, p = 0.06, treatment 0 of 100 (0.0%), control 5 of 100 (5.0%), NNT 20, relative risk is not 0 because of continuity correction due to zero events (with reciprocal of the contrasting arm), day 14.
risk of no recovery, 98.5% lower, RR 0.02, p < 0.001, treatment 0 of 100 (0.0%), control 32 of 100 (32.0%), NNT 3.1, relative risk is not 0 because of continuity correction due to zero events (with reciprocal of the contrasting arm), day 10.
risk of no recovery, 98.8% lower, RR 0.01, p < 0.001, treatment 1 of 100 (1.0%), control 84 of 100 (84.0%), NNT 1.2, day 7.
risk of no recovery, 59.2% lower, RR 0.41, p < 0.001, treatment 40 of 100 (40.0%), control 98 of 100 (98.0%), NNT 1.7, day 5.
risk of no recovery, 16.0% lower, RR 0.84, p < 0.001, treatment 84 of 100 (84.0%), control 100 of 100 (100.0%), NNT 6.2, day 4.
risk of no recovery, 2.0% lower, RR 0.98, p = 0.50, treatment 98 of 100 (98.0%), control 100 of 100 (100.0%), NNT 50, day 3.
risk of no viral clearance, 77.8% lower, RR 0.22, p = 0.06, treatment 2 of 100 (2.0%), control 9 of 100 (9.0%), NNT 14, 4th test.
risk of no viral clearance, 84.2% lower, RR 0.16, p < 0.001, treatment 3 of 100 (3.0%), control 19 of 100 (19.0%), NNT 6.2, 3rd test.
risk of no viral clearance, 25.9% lower, RR 0.74, p = 0.32, treatment 20 of 100 (20.0%), control 27 of 100 (27.0%), NNT 14, 2nd test.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Tran et al., 27 Jun 2023, Single Blind Randomized Controlled Trial, Vietnam, peer-reviewed, 8 authors, this trial uses multiple treatments in the treatment arm (combined with ginger, xylitol, zinc, and DMSO) - results of individual treatments may vary. Contact: baxuanho@usc.edu.
This PaperPropolisAll
Therapeutic Efficacy of AFree Oral Spray on the Symptoms and Course of Moderate and Severe COVID-19 in the Field Hospital
Duong T Tran, Truong N Pham, Nhung H T Nguyen, Hau D Tran, Huy Q Hoang, Anh K Nguyen, B O Han, MD Ba X Hoang
In Vivo, doi:10.21873/invivo.13262
Background/Aim: A prospective randomized, openlabel, single-blinded clinical trial was conducted to evaluate the efficacy of AFree on the symptoms and course of moderate and severe COVID-19 in the field hospital. Patients and Methods: Two hundred hospitalized patients diagnosed with COVID-19 were enrolled. The patients were randomized into 100 patients in the interventional AFree group and 100 in the control group. The AFree group patients were treated with AFree oral spray in conjunction with the standard COVID-19 treatment protocol, while the control group of patients were treated with only standard care. Results: Patients of the AFree group demonstrated a remarkedly faster improvement in all COVID-19-related symptoms, resulting in a shorter time for complete recovery than the control group. More importantly, they showed a shorter time for complete viral clearance. Adding AFree to the standard of care protocol also significantly improved the restoration of taste and smell and reduced lung infiltration. Additionally, the patients in the AFree group also exhibited fewer adverse effects related to treatment. Conclusion: AFree oral spray is a simple-to-use, safe, and effective adjunctive treatment for moderate and severe COVID-19 cases. AFree oral spray was demonstrated to potentially be effective for COVID-19 prevention.
Conflicts of Interest The Authors declare no conflicts of interest regarding the data presented in this publication. Authors' Contributions
References
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Late treatment
is less effective
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