Neurex Corporation was acquired by Elan in 1998 . Pharmaceutical company Neurex, a subsidiary of Irish drug delivery systems maker Elan, focuses on the treatment of pain and cardiorenal and neurological diseases. The company's first product, Corlopam, controls high blood-pressure associated with surgery and treats malignant hypertension. Ziconotide, in clinical development, is intended for severe pain management for terminal AIDS and cancer patients. The drug is also being developed for treatment of brain damage caused by closed head trauma, coronary bypass surgery, and stroke. The company develops and markets its products by allying with companies such as biomedical specialist Medtronic and drug giant Warner-Lambert.