You know the odds against developing successful drugs these days.

If companies cannot make money on the sale of successful drugs, then no new ones can be developed.

The future successful drugs will be the ones who are able to land where needed, probably with the help of nanobots.

"You could project from the few that did, what a successful drug could do," he said.

In each category, it has had a history of successful drugs.

And that's important because almost every successful drug targets a protein.

"The one successful drug has to pay for my total investment," he said.

Another attraction is that a single successful drug will have the same relative importance to both companies.

The industry estimates that the average cost of developing a successful drug is more than $500 million.

It is one of the most successful drugs for treating solid tumors.