51.   The team is now seeking approval to carry out clinical trials at the Churchill Hospital in Oxford.

52.   Clinical trials at AEA Technology in Harwell must yet establish whether the new hip replacements are working.

53.   The planned operations follow clinical trials in America.

54.   Allegro Biologics was formed last May as a contract manufacturing facility for the biotechnology industry to develop protein-based drugs for human clinical trials.

55.   Also, doctors know that initial gains may be small, because clinical trials have to start with the sickest, hardest-to-treat patients.

56.   Also, the group is deadlocked on how the cost of clinical trials of new drugs or therapies should be divvied up among insurers, researchers and consumers.

57.   Although more clinical trials must be conducted to win approval from the Food and Drug Administration, researchers are encouraged by study results so far.

58.   Amgen Inc. said it began clinical human trials of an obesity-fighting therapy that reduced body fat in mice.

59.   Amgen Inc. said it has suspended an Epogen clinical trial on dialysis patients with severe heart ailments after the death rate climbed rather than improved.