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Danese et al1 emphasise the urgency to implement advanced combination treatments (ACTs) for inflammatory bowel disease (IBD), suggesting that ACTs may be particularly effective in certain patient populations. In this context, sex as a biological variable is paramount to consider, but remains understudied in all aspects of research reporting and analyses (referred to as ‘sex-aware’ analyses2), and represents an essential element when evaluating disease prevention, intervention(s) and precision medicine. This is especially applicable to IBD since increasing evidence supports sex-based differences, including response to treatment(s), between male and female patients living with Crohn’s disease (CD) or ulcerative colitis (UC),3 4 yet specific studies to date are sparse.
To this end, we sought to determine the current state of sex disparities in prescribed medications, surgical interventions and disease-related complications in IBD. Using the TriNetX platform, which allows real-time access to deidentified electronic health records of over 116 million patients, we performed a retrospective, sex-aware cohort study on 2 July 2024, implementing a previously described approach5 (validated with a positive predictive value of ≥92%).6 We identified over 359 426 patients having an index event of at least two instances of the same CD/UC diagnosis, with an added ≥2 instances of drug/therapy when considering outcomes. These patient groups were divided by sex and the resulting …
Footnotes
RDP and TTP are joint senior authors.
X @ttpizarro, @PizarroLab
Contributors Study conception and design: CC, RDP and TTP. Acquisition of data: CC and JAP. Analysis and interpretation: CC, EM, JAP, DP and RDP. Drafting of manuscript: CC, RDP and TTP. Critical revision: EM, JAP, DP, RDP and TTP. Study supervision: EM, RDP and TTP.
Funding This work was supported by grants from the National Institutes of Health (NIH), Office on Women’s Health (ORWH)/ National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK): Administrative supplement for Research on Sex/Gender Differences (DK042191-S1) and from the Crohn’s & Colitis Foundation: Clinical Research Investigator-Initiated Award (CRIA) Senior Research Award (SRA-882725), both to TTP and RDP. CC was supported by CWRU’s Medical Student Summer Research Program (MSSRP) through an institutional training grant, T35 DK111373, from the NIH / NIDDK.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.
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