Design and rationale of the efficacy of spinal cord stimulation in patients with refractory angina pectoris (SCRAP) trial

F.E. Vervaat (Corresponding author), A. van der Gaag, C. Smetsers, P.C. Barneveld, M. van 't Veer, K. Teeuwen, H. van Suijlekom, L. Dekker, I.F. Wijnbergen

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

Samenvatting

Background: The use of spinal cord stimulation (SCS) in patients with refractory angina pectoris (RAP) is still under debate. Studies up to date have shown a positive effect with an improvement in quality of life. However, no double blinded randomized controlled trials have been performed. Hypothesis & Methods: The objective of this trial is to investigate if high density SCS leads to a significant reduction in the amount of myocardial ischemia in patients with RAP. Eligible patients must meet the criteria for RAP, have proven ischemia and a positive transcutaneous electrical nerve stimulator treadmill test. Patients who meet the inclusion criteria will receive an implanted spinal cord stimulator. Patients receive 6 months of high density SCS and 6 months of no stimulation using a cross-over design. The order of the treatment options is determined using randomization. The primary endpoint is the effect of SCS measured by the change in percentage of myocardial ischemia using myocardial perfusion positron emission tomography scan. Key secondary endpoints are patient related outcome measures, major cardiac adverse events and safety endpoints. The follow-up period is 1 year for the primary and key secondary endpoints. Results: The SCRAP trial began enrollment on December 21, 2021 and is set to complete the primary assessments in June 2025. To date, January 2, 2023, 18 patients have been enrolled in the study and 3 patients have completed the 1-year follow-up. Conclusions: The SCRAP trial is an investigator-initiated, single-center, double-blind, placebo-controlled, and cross-over randomized controlled trial investigating the efficacy of SCS in patients with RAP. (ClinicalTrials. gov Identifier: NCT04915157).

Originele taal-2Engels
Pagina's (van-tot)689-697
Aantal pagina's9
TijdschriftClinical Cardiology
Volume46
Nummer van het tijdschrift6
DOI's
StatusGepubliceerd - jun. 2023
Extern gepubliceerdJa

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