Clinical and Developmental Immunology Volume 2013 (2013), Article ID 917068, 15 pages http://dx.doi.org/10.1155/2013/917068
Research Article
Respiratory-Related Hospitalizations following Prophylaxis in the Canadian Registry for Palivizumab (2005–2012) Compared to Other International Registries
1Department of Pediatrics, McMaster University, Hamilton, ON, L8S 4K1, Canada
2McMaster Children’s Hospital, 1280 Main Street West, Room HSC-3A, Hamilton, ON, L8S 4K1, Canada
3Department of Pediatrics, University of Calgary, Calgary, AB, T3B 6A8, Canada
4Medical Outcomes and Research in Economics (MORE) Research Group, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, M4N 3M5, Canada
2McMaster Children’s Hospital, 1280 Main Street West, Room HSC-3A, Hamilton, ON, L8S 4K1, Canada
3Department of Pediatrics, University of Calgary, Calgary, AB, T3B 6A8, Canada
4Medical Outcomes and Research in Economics (MORE) Research Group, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, M4N 3M5, Canada
Received 25 February 2013; Accepted 17 April 2013
Academic Editor: Roberto Burioni
Copyright © 2013 Bosco Paes et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Respiratory syncytial virus (RSV) infection occurs commonly in infants aged ≤2 years, and severe infection results in hospitalization with accompanying morbidity and mortality. Palivizumab has been available for prophylaxis for the past 15 years. Prospective data on patients who received palivizumab from 2005 to 2012 has been assembled in the Canadian registry (CARESS) to document utilization, compliance, and health outcomes in both hospital and community settings. Long-term data is necessary to evaluate the impact of palivizumab on the incidence of RSV infections, minimize healthcare resources, and identify which infant subpopulations are receiving prophylaxis. A database search was also conducted for similar information from published registries, and hospitalization rates were compared to results from randomized clinical trials (RCTs).Overall hospitalization rates (percent; range) for respiratory-related illnesses and RSV-specific infection in infants who meet standard indications for prophylaxis were 6.6 (3.3–7.7) and 1.55 (0.3–2.06), respectively, in CARESS, which closely aligns with registry data from 4 other countries, despite the former comprising the largest cohort of complex patients internationally. Overall RSV-related hospitalization rates were lower across registries compared to equivalent patients in RCTs. Registry data provides valuable information regarding real-world experience with palivizumab, while facilitating the genesis of new research themes.
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