Deal-making continued at a blistering pace in the first half of 2007, as drug giants snapped up promising therapies from smaller developers in order to beef up their pipelines. See the companies below for a look at the biggest deals so far this year.

1. AstraZeneca and Bristol-Myers Squibb [0]
2. Novartis and Antisoma [0]
3. Shire and Renovo [0]
4. Sanofi-Aventis and Oxford BioMedica [0]
5. Amgen and Cytokinetics [0]