According to Weekly Shounen Champion magazine, Kuramada Masami and Teshirogi Shiori's new Saint Seiya manga series "Saint Seiya Lost Canvas" will be adapted to an OVA. It will be released in the spring 2009.

"Saint Seiya Lost Canvas" was started publication as a parallel story of Kuramada Masami's "Saint Seiya Next Dimension". The two series were supposed to be published side by side but due to the frequent interruptions of "Next Dimension", "Lost Canvas" is preceding a lot in the story.

Source: Scan of Weekly Shounen Champion

Edited on Dec 6th===============
According to NewType magazine, the staff are as follows:

Director: Nabeshima Osamu ("D.Gray-man")
Series organizer: Suga Yoshiyuki ("One Piece: Dead end no Bouken")
Character designer: Iwasa Yuuko ("Fighting Beauty Wulong"))
Production company: TMS Entertainment

Source: MOONPHASE

Edited on Jan 7th===========
Cast
Tenma Pegasus: Kakihara Tetsuya
Sasha: Hirano Aya
Alone: Shimono Hiro
Pandora: Mizuki Nana

Source: Scan of Champion magazine