Objective: This retrospective, real-world claims database analysis described the clinical burden and healthcare resource utilization (HCRU) among patients with sickle cell disease (SCD) with recurrent vaso-occlusive crises (VOCs) in France.
Methods: The French National Health Data System database (système national des données de santé) was used to identify eligible patients from 1 January 2012 to 1 March 2019. Inclusion criteria were a SCD diagnosis, ≥2 VOCs/year for ≥2 consecutive years following the diagnosis, and ≥1 year of follow-up data to 1 March 2020. Patients with hereditary persistence of fetal hemoglobin or hematopoietic stem cell transplant in their medical records were excluded. Clinical complications, mortality, treatment use, and HCRU were evaluated during follow-up.
Results: Overall, 4602 patients with SCD with recurrent VOCs were eligible; their mean (standard deviation []) age was 19.8 (13.5) years, and 51.8% were female. Patients experienced a mean (SD) of 3.82 (3.57) VOCs per patient per year (PPPY). Prevalent complications were anemia or leukocytosis (44.1%), infections (42.0%), and organ failure (38.2%). In total, 101 (2.2%) patients died during follow-up (mean age of death [SD]: 39.3 [17.5] years; mortality rate: 0.64 deaths per 100 person-years). Most patients received opioids (89.1%) and hydroxycarbamide (72.8%). Patients had a mean of 5.7 inpatient hospitalizations, 6.0 emergency room visits, 6.6 outpatient visits, and 13.4 outpatient prescriptions PPPY.
Conclusions: Patients with SCD with recurrent VOCs in France have substantial clinical complications, mortality, and HCRU despite currently available treatment options. Innovative treatments that reduce frequency of or eliminate VOCs are needed to alleviate the burden associated with SCD.
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http://dx.doi.org/10.1080/03007995.2024.2421287 | DOI Listing |
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