Age-defying Italian Prime Minister Silvio Berlusconi has become the main shareholder of a company developing anti-cancer drugs, Italian daily La Repubblica said on Wednesday.

The prime minister "was really and secretly cultivating the project, along with his anxious chase of immortality," La Repubblica said.
He often boasts about his health and has said that he will not even discuss a possible political successor until 2020.
Berlusconi raised his stake in Molmed, a company that is in the advanced stages of testing two cancer drugs late last year through his holding company Fininvest.
Berlusconi now owns 24 percent of the company and he has named his youngest son Luigi, 21, on the company's board of administrators.
Leonardo Del Vecchio, the 75-year-old founder and chairman of eyewear giant Luxottica and Italy's second richest man, is also an investor in the company.
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