Effect of Remote Ischemic Preconditioning on Collaterals of

Status Not yet recruiting

Clinical Trial Summary

The goal of this clinical trial is to explore the influence of chronic RIC on collateral status evaluated by DSA in ischemic stroke patients with LAA etiology.

Clinical Trial Description

Stroke is the second leading cause of death and the third leading cause of death and disability combined in the world. The remote ischemic preconditioning (RIC) procedure is low-cost with excellent properties of safety, tolerability and feasibility in both AIS and cardiovascular diseases. In this study, we aim to explore the influence of chronic RIC on collateral status evaluated by DSA in ischemic stroke patients with LAA etiology. The RICAS study is a prospective, randomized, blind endpoint, multicenter study. Eligible patients with ischemic stroke of anterior circulation with large artery atherosclerosis etiology, poor collateral compensation, and more than 1 month of the symptom onset, are randomly assigned into the experimental group and control group with a ratio of 1:1. The patients in experiment group will receive treatment with RIC for 1 year as an adjunct to guideline-based treatment, while patients in control group only receive guideline-based treatment. The primary outcome is proportion of collateral status improvement, which is defined as an increase of ASITN/SIR score of 1 or more assessed on DSA at 12 months after randomization. The safety outcomes include RIC-related adverse events. A maximum of 300 patients (150 participants per group) are required to test the superiority hypothesis with 80% power (using a two-sided α = 0.05) to detect the 15% difference. The primary endpoint will further be stratified by age, gender, inclusion event (acute ischemic stroke ore transient ischemic stroke), tandem lesion, history of hypertension, hypercholesterolemia, diabetes mellitus, ischemic stroke, transient ischemic attack, and myocardial infarction. This study will provide the direct evidence for improvement of collateral status by chronic RIC treatment. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT06170944
Study type	Interventional
Source	General Hospital of Shenyang Military Region
Contact	Ziai Zhao
Phone	18304098115
Email	zhaoziai@hotmail.com
Status	Not yet recruiting
Phase	N/A
Start date	April 1, 2024
Completion date	January 30, 2026

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Effect of Remote Ischemic Preconditioning on Collaterals of Atherosclerosis Stroke — RICAS

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms