Original ResearchPublished 12 December 2025A real-world disproportionality analysis of roflumilast using the US food and drug administration adverse event reporting system dataBaiqing Huang · Yirou Ma · Wenli Wang · Shaorui Gu · Xisheng WangFrontiers in Drug Safety and Regulationdoi 10.3389/fdsfr.2025.1721656