21.   A new clinical study of the hormone leptin finds that it is not the weight-loss panacea that obesity researchers had hoped for.

22.   A similar but separate clinical study looking at marrow or stem cell transplantation for autoimmune disorders is also under way at Northwestern University in Chicago.

23.   A UK drug company, Burroughs Wellcome, licensed the antibody and conducted clinical studies with promising results onleukemia patients.

24.   Additional clinical studies are needed to confirm the benefits for more than one year, the researchers said.

25.   After announcing promising results of clinical studies, Advanced Tissue said last month it planned to submit a new application to the FDA in December for the additional use.

26.   Agouron said early clinical studies showed Viracept is safe for children.

27.   Bristol-Myers today supported its application with three clinical studies showing the drug could significantly reduce migraine pain.

28.   Bristol-Myers will begin intermediate-stage clinical studies of one of the drugs and continue preclinical work with another, the company said.

29.   Bristol-Myers supported its application with three clinical studies showing the drug could significantly reduce migraine pain.

30.   But additional clinical studies could demonstrate that Bosentan helps get patients to leave the hospital more quickly, and thus saves money.