Phase II Multi-Center Study of T89 to Treat Chronic Stable Angina

Completed · Phase 2 · Has a placebo group

Conditions studied: Angina Pectoris

In brief

The purpose of this study is to determine the anti-angina effect and dose response of T89, a 2-herb botanical drug product, in patients with chronic stable angina pectoris in the United States.

Key facts

Study ID

NCT00797953

Run by

Tasly Pharmaceuticals, Inc.

People needed

124

Starts

2007-02-01

Expected to finish

2010-01-01

Last updated by the study team

2012-12-12

Who can join

Age: 18 and older, up to 80. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Patient must be between the ages of 18 and 80 years.
• Females of childbearing potential must have a negative pregnancy test, not be breast feeding and established on a method of contraception that in the investigator's opinion is acceptable. Females must agree to remain on their established method of contraception through their participation in the study.
• Evidence of coronary artery disease that consists of a well-documented medical history (over 3 months prior to the enrollment) of myocardial infarction or significant coronary artery disease with noninvasive or angiographic confirmation.
• Symptoms that support the diagnosis of chronic angina and/or a history of an abnormal exercise response limited by angina and/or electrocardiograph (ECG) changes.
• Moderate angina pectoris (Class II or Class III, Grading of Angina Pectoris by the Canadian Cardiovascular Society Classification System)
• Naive patient or patient who's Total Exercise Duration (TED) is between 3 to 7 minutes in ETT on Standard Bruce Protocol, and the difference in TED must be no more than 15% between the two screen examinations on day -7 and day 0
• All anti-angina regimen (except short-acting nitroglycerin, and one beta-blocker or calcium channel blocker), warfarin or other oral anticoagulants which were used prior to this initial visit can be discontinued.
• Patient must understand and be willing, able and likely to comply with all study procedures and restrictions and comprehends the verbal rating scales and diary cards.
• Patient must be able to give voluntary written informed consent.

You may not qualify if…

• With contraindication to perform treadmill Exercise Tolerance Test (ETT).
• Pre-exercise ST-segment depression of at least 1 mm in any lead, left bundle branch block, digoxin therapy, Left Ventricular Hypertrophy (LVH) and Wolff-Parkinson-White (WPW) syndrome or other factors that could interfere with exercise electrocardiograph interpretation.
• Clinically significant arrhythmias or atrioventricular conduction block greater than first degree.
• Clinically significant co-morbidities, including hepatic or renal dysfunction, pulmonary hypertension, chronic obstructive pulmonary disease, history of cerebral hemorrhage, or seizure disorders that required anticonvulsant medication.
• History of congestive heart failure, unstable angina, severe valvular disease, severe hypertension, severe anemia, suspected or known dissecting aneurysm, acute myocarditis or pericarditis, thrombophlebitis or pulmonary embolism or recent myocardial infarction within three months of study entry.
• History of bleeding diathesis, or is on warfarin.
• Implanted pacemaker.
• Aspirin and/or statins started less than 14 days prior to the signing of informed consent.
• Pregnancy or lactation.
• Inability to discontinue existing chronic nitrate regimen (e.g. long acting nitroglycerin) and allow only short-acting nitroglycerin and one beta-blocker or calcium channel blocker.
• Clinical trials/experimental medication:
• Participation in any other clinical trial or receipt of an investigational drug within 90 days prior to initial visit.
• Those patients unable, in the opinion of the investigator, to comply fully with the trial requirements.
• Previous participation in this study.
• Substance abuse. Patients with a recent history (within the last 2 years) of alcoholism or known drug dependence.
• Patient is a family member or relative of the study site staff.

Where it is running

• Paradigm Clinical, Inc. — Tucson, Arizona, United States
• Robert M. Karns, A Medical Corporation — Beverly Hills, California, United States
• Inland Heart Doctors — Corona, California, United States
• Sunrise Medical Research — Lauderdale Lakes, Florida, United States
• Cardiovascular Research Center of South Florida — Miami, Florida, United States
• Alexandria Cardiology Clinic — Alexandria, Louisiana, United States
• Great Lakes Research Group, Inc — Bay City, Michigan, United States
• Marc Kozinn Associates — Williamsville, New York, United States
• Oklahoma Cardiovascular & Hypertension — Oklahoma City, Oklahoma, United States
• Three Rivers Medical Associates — Columbia, South Carolina, United States
• East Texas Cardiology — Houston, Texas, United States
• Northwest Houston Cardiology — Houston, Texas, United States
• Northwest Heart Center — Tomball, Texas, United States
• National Clinical Research-Norfolk, Inc — Norfolk, Virginia, United States
• Gemini Scientific, LLC — Madison, Wisconsin, United States

Full record on ClinicalTrials.gov

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