21.   With the uptick in gene therapy trials, the government continues to impose tighter regulations.

22.   Kahn disagrees with those who say gene therapy has moved too quickly from lab animals to the thousands of humans who have taken part in gene therapy trials nationwide.

23.   Last summer, Beth Israel halted a different gene therapy trial after three of the first six terminally ill cancer patients died.

24.   One patient died in a recent gene therapy trial.

25.   The federal government has halted a heart disease gene therapy trial at a hospital here and at several others around the country.