Abstract
Background: Data regarding the efficacy and safety of drug-coated balloons (DCBs) versus drug-eluting stents (DES) in patients with chronic kidney disease (CKD) remains limited. Aims: To assess the prognosis of DCB versus DES in patients with and without CKD.
Methods: REC-CAGEFREE I was an investigator-initiated, non-inferiority trial conducted at 43 sites in China, which randomized 2272 patients to paclitaxel-coated balloons with the option of rescue stenting (DCB group) or second-generation sirolimus-eluting stents (DES group) for treating de novo lesions, regardless of vessel diameter. In this pre-specified subgroup analysis, patients were stratified based on the presence of CKD (kidney damage or estimated glomerular filtration rate < 60 mL/min per 1.73 m²) at baseline. The primary outcome was the device-oriented composite endpoint (DoCE; including cardiovascular death, target vessel myocardial infarction, and clinically and physiologically-indicated target lesion revascularization) at 2 years.
Results: Of 2272 patients enrolled, 203 (8.9%) had CKD, with 95 and 108 treated with DCB and DES, respectively. At 2 years, the risk of DoCE was significantly higher in CKD versus non-CKD patients (22/203 [10.9%] vs. 88/2069 [4.3%], HRIPTW: 2.14, 95% CI: 1.13−4.07, p = 0.022). There was no significant interaction between CKD and treatment allocation (pinteraction = 0.352). Among CKD patients, DoCE occurred in 12/95 (12.7%) and 10/108 (9.3%) patients in the DCB and DES groups (HRIPTW: 1.57, 95% CI: 0.66−3.71, p = 0.317), respectively. Among non-CKD patients, DoCE occurred in 60/1038 (5.8%) versus 28/1031 (2.7%) patients in the DCB and DES groups (HRIPTW: 2.27, 95% CI: 1.38−3.72, p = 0.002), respectively.
Conclusion: Patients with CKD had worse outcomes compared to those without. DCBs were associated with a higher risk of DoCE than DES, irrespective of CKD status. Trial Registration: Unique Identifier: NCT04561739; URL: https://www.clinicaltrials.gov.
| Original language | English |
|---|---|
| Pages (from-to) | 304-314 |
| Number of pages | 11 |
| Journal | Catheterization and Cardiovascular Interventions |
| Volume | 107 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 20 Nov 2025 |
Keywords
- chronic kidney disease
- drug-coated balloon
- drug-eluting stent
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