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This was a randomized, placebo-controlled, multi-centre study, double-blind within each dose level, with four ascending dose levels to test the tolerability and safety of iopromide-paclitaxel in patients with de novo lesions in coronary arteries. Thirty-two patients were included into the trial, which were divided into four treatment groups. A total of four concentration levels of paclitaxel-iopromide concentrations were investigated. In each treatment group, six patients received iopromide-paclitaxel and two patients placebo (iopromide without paclitaxel). In each patient, the doses were adjusted individually as needed.
Background: Non-stent-based immediate release formulations of paclitaxel have been shown to reduce in-stent restenosis in animal experiments and initial clinical trials. Paclitaxel dissolved in the angiographic contrast agent iopromide was well tolerated and inhibited neointimal proliferation in a dose-dependent manner after injection into porcine coronary arteries.
Methods: As a first step in entering clinical development, a phase I trial was performed using 4 ascending paclitaxel dose/concentration levels: samples of up to 100 ml of the contrast agent containing 10, 50, 100 or 200 μM paclitaxel were randomly administered to 6 adult patients each assigned to bare metal stent implantation for single de novo coronary artery lesions, while 8 patients treated with plain contrast medium served as controls. Safety variables and tolerability as well as angiographic parameters were assessed.
Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment
Coronary Artery Disease
Implantation of a bare metal stent
University Hospital of Saarland
University Hospital, Saarland
Published on BioPortfolio: 2014-07-23T21:08:50-0400
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Surgical therapy of ischemic coronary artery disease achieved by grafting a section of saphenous vein, internal mammary artery, or other substitute between the aorta and the obstructed coronary artery distal to the obstructive lesion.
Direct myocardial revascularization in which the internal mammary artery is anastomosed to the right coronary artery, circumflex artery, or anterior descending coronary artery. The internal mammary artery is the most frequent choice, especially for a single graft, for coronary artery bypass surgery.
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A congenital coronary vessel anomaly in which the left main CORONARY ARTERY originates from the PULMONARY ARTERY instead of from AORTA. The congenital heart defect typically results in coronary artery FISTULA; LEFT-SIDED HEART FAILURE and MITRAL VALVE INSUFFICIENCY during the first months of life.
Pathological processes of CORONARY ARTERIES that may derive from a congenital abnormality, atherosclerotic, or non-atherosclerotic cause.
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