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Use of Palivizumab in Germany - Report from the German Synagis™ Registry 2009 - 2016
Arne Simon1, Susanne Gehrmann2, Gudrun Wagenpfeil3
1Children's Hospital Medical Center, Paediatric Hematology and Oncology, Homburg, Germany.
Insights
Palivizumab effectively prevents Respiratory Syncytial Virus (RSV) hospitalizations in high-risk infants in Germany. The study confirms palivizumab
Area of Science:
- Pediatrics
- Infectious Diseases
- Public Health
Background:
- Palivizumab is recommended in Germany for high-risk infants to prevent Respiratory Syncytial Virus (RSV) related hospitalizations.
- This study analyzes data from the German SYNAGIS™ Registry.
Purpose of the Study:
- To evaluate the effectiveness and safety of palivizumab prophylaxis in high-risk infants in Germany.
- To assess risk factors and clinical outcomes of RSV infection in infants receiving palivizumab.
Main Methods:
- An observational, post-marketing study using data from the German SYNAGIS™ Registry (2009-2016).
- Data collected from attending physicians on infants receiving at least one palivizumab injection.
- Informed consent obtained from participants.
Main Results:
- 63,572 immunizations were documented for 12,729 infants.
- RSV-related hospitalization rate was 0.7% (0.8% for infants with congenital heart disease).
- No deaths related to RSV infection were reported; intensive care was needed in 16.9%.
Conclusions:
- Palivizumab prophylaxis demonstrates effectiveness and safety in high-risk infants.
- The study suggests a need for better regional epidemiological adjustment to optimize palivizumab use.
- Fewer patients with hemodynamically significant congenital heart disease (hsCHD) were observed than anticipated.
Background:
Following national recommendations, palivizumab is administered in Germany to high-risk infants to prevent hospitalizations related to Respiratory Syncytial Virus infection.
Methods:
In this post marketing observational study (German SYNAGIS™ Registry) data on risk factors and the clinical course of children, who received at least one palivizumab injection between 2009-2016 (01 September to June 30) were entered into an internet-based data entry system by the attending physicians after informed consent.
Results:
63 572 immunizations were documented for 12 729 evaluable patients (EVP) from 2009 to 2016, with an average of 5.0 immunizations per patient per season. 45% of infants received more than 5 injections. The predominant primary reason for immunization was premature birth (74%). In the EVP the rate of hospitalizations with causal relationship to RSV was 0.7% (=92/12 729) or 1.2% in a worst case scenario including patients with missing RSV test. In patients with hemodynamically significant congenital heart disease as main indication, RSV-related hospitalization rate was 0.8%. Intensive care was necessary in 16.9% (median duration 3 days), mechanical ventilation in 8.0%. No death related to RSV infection was reported.
Conclusion:
Keeping in mind the limitations of an uncontrolled prospective observational study, our results confirm the effectiveness and safety of palivizumab prophylaxis. The total number of patients with hsCHD is lower than expected. A better adjustment to the regional epidemiology would probably reduce the need for more than 5 injections.
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