Metro Manila (CNN Philippines) — More than a week after extending her medical leave at the Senate, Miriam Defensor-Santiago has been moved to the intensive care unit (ICU) of the Makati Medical Center (MMC), her husband Narciso "Jun" Santiago announced in a press release on Wednesday.

According to him, Miriam was rushed by ambulance to the MMC last Monday due to complications. On Tuesday night, Miriam was transferred from her private room to the ICU.

Jun said his wife expressed gratitude to her family, friends and supporters who continued praying for her recovery. He added that the senator was "bearing well with her trademark sense of humor."

In a letter sent to Senate President Franklin Drilon on May 24, Miriam said she developed anorexia (inability to eat) as a side effect of one of her anti-cancer medications.

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CNN Philippines correspondent Anna Estanislao contributed to this report.