But it is too soon to tell whether the drug prolongs life.

Available drugs will prolong the lives of some but not all victims.

Study after study has shown these drugs prevent heart attacks and prolong lives, with very few side effects.

But the company must then do a larger, controlled trial to show that the drug actually prolongs lives.

The data do not yet show that the drugs prolong lives.

Nevertheless, researchers said, there were signs that the drug could shrink tumors and prolong lives.

The results announced today indicate that the drug did not prolong survival.

The team also found that the drug substantially prolonged the survival time of transplanted organs in animals.

This drug may increase and/or prolong the effects of caffeine.

It is too early to tell whether the drug prolongs lives, the main goal of the trial, which is continuing.