Fast Track for Angionetics Gene Therapy in CV Disease

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FDA has granted Angionetics a Fast Track designation for Generx [Ad5FGF-4], a cardiovascular angiogenic gene therapy for use as a one-time treatment for improving exercise tolerance in patients who have angina that is refractory to standard medical therapy and not amenable to conventional revascularization procedures (coronary artery bypass surgery and percutaneous coronary intervention and stents). The company says Generx has been biologically engineered to enhance blood flow (perfusion) in ischemic regions of the heart by leveraging cardiac plasticity to promote the natural formation and growth of microvascular coronary structures (collateral vessels). “This is achieved by stimulating and augmenting the heart’s innate natural capacity to modulate the enlargement of pre-existing collateral arterioles (arteriogenesis), and to form new capillary vessels (angiogenesis) in select ischemic regions downstream from large coronary arteries,” it says.


The therapy is undergoing a Phase 3 trial in patients with refractory angina due to myocardial ischemia. “The study patient population includes patients with refractory angina and documented clinical evidence of myocardial ischemia within the past six months,” Angionetics says. The primary efficacy endpoint is improvement in exercise treadmill duration at six  months in Generx-treated patients compared to a placebo control group.

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