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Study Ref. Design studied treatmentcontrol treatmentpatientsstudy risk of biassample sizes Results

COVID-19 prophylaxis (excluding children) meta-analysis

C4591031- first boost
  NCT04955626		 RCTfirst booster dosecomplete primary vaccine seriesCOVID-19 prophylaxis (excluding children)low
5081/5044 conclusif
  • demonstrated 95 % decrease in confirmed COVID (any severity) (PE) with a high degree of certainty due to low risk of bias
C4591031- first boost
  NCT04955626		 RCTfirst booster doseComirnaty (tozinameran - Pfizer/BIONTECH)COVID-19 prophylaxis (excluding children)low
5081/5044 conclusif
  • demonstrated 95 % decrease in confirmed COVID (any severity) (PE) with a high degree of certainty due to low risk of bias
Pfizer/BioNTech Booster study
  NCT04713553		 RCTfirst booster dosecomplete primary vaccine seriesCOVID-19 prophylaxis (excluding children)NA
-/- no results
    Observed relative vaccine efficacy of 95.6% (95% CI: 89.3, 98.6). The adverse event profile was generally consistent with other clinical safety data for the vaccine, with no safety concerns identified (press release).
    Pfizer/BioNTech Booster study
          NCT04713553    		 RCTfirst booster doseComirnaty (tozinameran - Pfizer/BIONTECH)COVID-19 prophylaxis (excluding children)NA
    		-/- no results
      Observed relative vaccine efficacy of 95.6% (95% CI: 89.3, 98.6). The adverse event profile was generally consistent with other clinical safety data for the vaccine, with no safety concerns identified (press release).
      30 studies excluded by filtering options (0 RCT / 30 OBS)

      PE: primary endpoint; (a): to be demonstrated a result must be statistically significant on a primary endpoint (with multiplicity adjustment if necessary);
      Study risk of bias assessed for the study primary endpoint(s) or the main endpoints in case of no formally defined primary endpoint(s).

       

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