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Identifying and Overcoming Obstacles in Angiogenic Gene Therapy for Myocardial Ischemia

Rubanyi, Gabor M. MD, PhD

Journal of Cardiovascular Pharmacology: August 2014 - Volume 64 - Issue 2 - p 109–119
doi: 10.1097/FJC.0000000000000107
Drugs in the Pipeline

Abstract: Well-developed coronary collateral vessels in patients with symptomatic coronary artery disease were shown to be associated with reduced future cardiovascular morbidity and mortality. However, the majority of patients with coronary artery disease lack adequate functional coronary collateral circulation. Stimulation of collateral vessel development by angiogenic growth factor therapy (therapeutic angiogenesis) has been tested in many clinical trials in the past, but the potential of this new treatment paradigm has not been realized yet in late stage clinical trials. Mechanistic insights into collateral vessel development and the collective clinical experience in the past decade identified specific obstacles that might have impeded the progress in the field. This review identifies some of the key conceptual, technical, and clinical hurdles and recommends strategies to overcome them in future clinical trials.

Cardium Therapeutics, San Diego, CA.

Reprints: Gabor M. Rubanyi, MD, PhD, Cardium Therapeutics, Inc, 11750 Sorrento Valley Rd, Suite #250, San Diego, CA 92121 (e-mail:

The author is an employee of Cardium Therapeutics.

Received February 12, 2014

Accepted April 01, 2014

© 2014 by Lippincott Williams & Wilkins.