Hemophilia expert Takeshi Abe, who was facing an appeals trial over his acquittal in a professional negligence case, died of heart failure Monday evening at a Tokyo hospital, his family said. He was 88.

The Tokyo High Court suspended the appeals trial in February 2004 after it determined the former Teikyo University vice president was mentally incompetent.

The high court is expected to formally dismiss the case now that Abe is dead.