The other concept, pursued by Pfizer, Japan's Ono Pharmaceutical, the AstraZeneca-Renovis partnership and numerous other firms, is to find a brain-cell protector that could be used to stabilize nerve cells and prevent further damage.
Mr Nasser was up in front of the congressmen with Masatoshi Ono, the boss of Firestone in America (Firestone is part of Japan's Bridgestone Corporation).