<prompt> Which of these Is not an FDA approved indication for use of modafinil as an adjunct?Major depression and associated lethargyNarcolepsyObstructive sleep apneaShift work disorder  <response>: Ref: KD Tripathi 7th edition Page no 487 Modafinil is a newer psychostimulant and its approved indications are narcolepsy, sleep apnea syndrome and shift work syndrome. It is being evaluated as a drug to prevent relapse of cocaine dependence. It is not used for depression 