Paracetamol as analgesic and risk of bronchopulmonary dysplasia in extremely preterm infants: a secondary analysis of the BeNeDuctus trial
Abstract
Background: Paracetamol is increasingly used as analgesic and to treat patent ductus arteriosus (PDA) in preterm infants, though preclinical data suggest it may potentially harm the developing lung. The BeNeDuctus trial compared expectant PDA management versus ibuprofen in infants with gestational age <28 weeks, allowing paracetamol for analgesia. In this secondary analysis of the trial, we investigated the potential association between paracetamol and the risk of bronchopulmonary dysplasia (BPD).
Methods: The 273 infants enrolled in the BeNeDuctus were classified into four subgroups based on their exposure to paracetamol (n = 30), ibuprofen (n = 87), paracetamol and ibuprofen (n = 49), or no exposure (control, n = 107). Multivariable logistic regression was used to calculate adjusted odds ratios (aORs) and 95% confidence intervals (CIs). Confounders were selected based on a Directed Acyclic Graph.
Results: Compared with the control group, exposure to paracetamol alone (aOR 3.22, CI 1.05-9.89), ibuprofen alone (aOR 2.90, CI 1.40-6.03), or paracetamol and ibuprofen (aOR 3.88, CI 1.57-9.57) was associated with an increased odds of moderate-to-severe BPD.
Conclusion: Our data suggest that paracetamol, used for pain management, increased the risk of moderate-to-severe BPD. This finding supports the calls for a thorough evaluation of the safety of paracetamol on the developing lungs of extremely preterm infants.
Impact: Paracetamol is gaining interest as pharmacological treatment…
How strong is the evidence?
Evidence Hub reads this as a secondary / pooled analysis, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 273 participants or records.
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