Podoshin 1995.

Methods	4‐arm, randomised controlled trial No detail on randomisation method is given
Participants	225 adults (in total) with idiopathic subjective tinnitus (83 in the amitriptyline group, 40 in control (placebo) group)
Interventions	Administration of amitriptyline (10 mg 3 times daily) or placebo (1 tablet 3 times daily) for 10 weeks
Outcomes	Improvement in degree of tinnitus at rest and during activity (by questionnaire and audiometry) at 10 weeks
Notes	Only 2 of the 4 treatment arms (amitriptyline and placebo) were relevant to this review. The 2 other treatment arms were biofeedback (62 participants) versus control (40 participants) Results were mainly presented graphically Overall methodological quality: C