A Delaware Court of Chancery judge on Monday denied Academy Award-winning director Alex Gibney access to discovery materials from two investor lawsuits filed against Theranos Inc. and its directors, as he prepares a feature-length documentary about the embattled blood-testing company.

Gibney, who won an Oscar for the film “Taxi to the Dark Side,” had asked Vice Chancellor J. Travis Laster in March for access to all video from depositions conducted in the cases, including recordings corresponding to about 200 pages of redacted testimony that Laster made public last year.