Takeover bid of British AstraZeneca was given up by the US drugmaker Pfizer after its final $117-billion offer was rejected last week, the latter said on Monday.

The announcement put an end to a long-running saga that drew widespread attention over fears that British jobs and research capability would be lost and accusations that the tie-up was a cynical ploy by Pfizer to pay less tax.
Pfizer had said that the combined company would deliver an expanded product pipeline, deep potential cost cuts and significant tax savings.
"We continue to believe that our final proposal was compelling and represented full value for AstraZeneca based on the information that was available to us," said Ian Read, chairman and CEO of Pfizer in the statement.
Pfizer's proposal also included a controversial plan to re-domicile the combined company in Britain for tax purposes, in a move that would help it avoid paying billions of dollars in tax to the US government.
Pfizer's play for AstraZeneca comes as global pharmaceutical giants manoeuvre to cope with lost revenues from public sector cutbacks in health care, and patent expirations.
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