Ladoja is standing trial alongside a former Commissioner for Finance in the state, Waheed Akanbi.
The duo were brought before Justice Mohammed Idris on Dec.14, 2016, but they pleaded not guilty to the eight-count charge preferred against them by the EFCC.
The judge had earlier granted them bails.
Justice Mohammed Idris adjourned the case to September 27 for adoption of written addresses.
The accused were charged with conspiring to siphon and launder N4.7 billion from the coffers of Oyo State Government.
The EFCC also accused them of converting N1.9 billion belonging to the state for their personal use through the account of a company known as Heritage Apartments Ltd.