A rush for immunotherapy cancer drugs means new bedfellows

THE modern pharmaceutical firm lives or dies on the strength of its drug portfolio. As patents expire on lucrative medicines, they must replace the income that has been lost by inventing new drugs, or buying them in from outside. Both paths are expensive. But the costs of failure are greater, and this is how it was possible for a large and successful firm—such as British-based AstraZeneca—to shed 15% of its market value in a single day last week. Around £10bn ($13.2bn) was lost on news of disappointing results in one of its clinical trials (its shares have since rebounded by 4%).

The trial was to find out if a pair of drugs would treat a form of lung cancer. The drug, Imfinzi, and the experimental drug tremelimumab, belong to a new category of immunotherapy medicines called “checkpoint inhibitors”. Similar drugs are made by Bristol Myers Squibb (BMS), by Merck in America and Roche, a Swiss firm. In an interim finding, it was reported that Astra’s combination did not offer an…Continue reading

This post was originally published in the Economist.

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A rush for immunotherapy cancer drugs means new bedfellows

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