Second-Generation Drug-Eluting Stents in Diabetes (SUGAR) trial: Rationale and study design. Scientific Publication

Jan 28, 2020 | Magazine: American Heart Journal

Romaguera R 1, Salinas P 2, Brugaletta S 3, Gomez-Lara J 4, Díaz JF 5, Romero MA 6, García-Blas S 7, Ocaranza R 8, Borde P 9, Jiménez Kockar M 10, Millan Segovia R 11, Íñiguez A 12, Alameda M 13, Trillo R 14, Lee DH 15, Martín P 16, López-Benito M 17, Frutos A 18, Moreu J 19, Hernández-Hernández F 20, García Del Blanco B 21, Roura G 4, Rossello X 22, Pocock SJ 23, Fernández-Ortiz A 2, Sabate M 3, Gómez-Hospital JA 4.

Aim

Patients with diabetes mellitus (DM) undergoing percutaneous coronary intervention (PCI) remain at high risk of cardiovascular events despite the use of contemporary drug-eluting stents (DES). This trial aim to compare the clinical efficacy of 2 novel second-generation DES in patients with DM.

Methods and results

The Second-Generation Drug-Eluting Stents in Diabetes (SUGAR) trial (ClinicalTrials.gov NCT03321032) is an investigator-initiated, prospective, randomized, controlled, multicenter study conducted exclusively in patients with DM. This study allows inclusion of the entire spectrum of patients with DM undergoing PCI, and the only exclusion criteria are shock at presentation, inability to consent or a life expectancy <2 years.

A total of 1164 patients will be randomized (1:1, no stratification) at 23 sites in Spain to treatment with polymer-free amphilimus (sirolimus formulated with an amphiphilic carrier) eluting stents versus Onyx-zotarolimus-eluting stents (Biolynx durable polymer and struts with platinum-iridium alloy core). Randomization will be patient-level, so in case of multivessel disease all lesions will be treated with the same stent.

The primary end point is target lesion failure, a composite of cardiac death, target vessel–related myocardial infarction, or clinically indicated target lesion revascularization. First co-primary analysis will test non-inferiority at 1 year (80% power, a non-inferiority margin of 4% (1.5 RR) and a type-I-error of 0.05.) and second co-primary analysis will test superiority at 2 years (80% power, 0.05 alpha). Enrollment commenced in December 2017, and inclusion is expected to be completed by December 2019.

Conclusions

SUGAR is the first randomized head-to head trial comparing second-generation DES in an all-comer diabetic population undergoing PCI.

CITATION Am Heart J. 2020 Jan 28;222:174-182. doi: 10.1016/j.ahj.2020.01.018

see publication in pubmed