EchoGen ultrasound contrast agent: Began a Phase III trial in 240 patients who will receive 0.05 ml/kg of the agent, or a saline placebo. The level of contrast

Sonus Pharmaceuticals, Bothell, Wash. Product: EchoGen ultrasound contrast agent Indication: Detect blood flow or lesions in liver, kidneys and peripheral vasculature Status: Began a Phase III trial i...