With Spanish plasma specialist Grifols turning down a potential multi-billion-dollar takeover bid, it’s likely back to the drawing board for Canadian private equity outfit Brookfield. | Grifols’ board of directors on Tuesday rebuffed private equity firm Brookfield’s potential 6.

Grifols said on Tuesday that Canadian investment fund Brookfield's potential 6.45 billion euro ($6.8 billion) offer significantly undervalued the Spanish drugmaker's prospects and long-term potential,

Grifols is anticipating a period of strong growth on the back of its recently FDA-approved intravenous immunoglobulin product Yimmugo, which it expects to become a $1 billion product within the next seven years, as well as a new bi-weekly dosing approval for Xembify and pipeline products fibrinogen and trimodulin.

Brookfield Asset Management is considering a €6.45 billion ($6.9 billion) bid for Grifols SA, with the drug maker’s board set to meet Tuesday to discuss the potential offer. Grifols’s shares fell.

Canadian fund Brookfield plans to offer about 7 billion euros ($7.4 billion) for Spanish drugmaker Grifols after finishing due diligence, news website El Confidencial reported on Monday, citing sources close to the matter.