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A New Trial Directly Tests Two Leading Tinnitus Therapies Against Each Other

Around 60 participants with chronic tinnitus will soon be enrolled in a clinical trial designed to answer a practical question: Which approach, or combination of approaches, works best? The study, titled “Efficacy of Sound Therapy, Cognitive Behavioral Therapy and Their Combination in Management of Chronic Tinnitus,” will directly compare the effectiveness of Sound Therapy and Cognitive Behavioral Therapy (CBT), both separately and together.

Chronic subjective tinnitus, the persistent perception of sound without an external source, affects millions and often significantly reduces quality of life. While there is no cure, management strategies aim to reduce the perception and the distress it causes. This trial seeks to provide clearer evidence on how to optimize those strategies.

The Trial Design: Three Groups, Two Core Interventions

The study is an interventional trial with a straightforward, three-group design. Participants will be randomly assigned to one of three treatment arms.

Group A will receive Sound Therapy. This intervention uses external sounds—often through hearing aids, sound generators, or ambient noise—to decrease the neural contrast between tinnitus and silence. The goal is to facilitate habituation and make the tinnitus less perceptible over time.

Group B will receive Cognitive Behavioral Therapy (CBT). This psychological intervention, as applied to tinnitus by researchers like Andersson, does not target the sound itself but the reaction to it. CBT helps patients identify and modify maladaptive thoughts and behaviors related to tinnitus, building better coping strategies and reducing emotional distress.

Group C will receive a combination of both CBT and Sound Therapy. Evidence, including work by Hall and others, suggests that combining auditory and psychological approaches may yield superior outcomes. This group will test that hypothesis directly.

The main outcomes measured will be changes in tinnitus severity, psychological well-being, and overall quality of life.

Who Can Participate?

The trial seeks a homogeneous sample to clearly interpret results. Inclusion criteria specify adults aged 18-65 with chronic subjective tinnitus lasting more than three months. They must have normal hearing or mild to moderate sensorineural hearing loss, as defined by guidelines like those from the National Institute for Health and Care Excellence (2020). Their general and psychological condition must be stable.

Several factors exclude potential participants. People under 18 or over 65 cannot enroll. Those with severe hearing loss deemed unsuitable for sound therapy, objective tinnitus (of vascular or muscular origin), active psychiatric disorders requiring immediate intervention, or active middle or external ear disease are also excluded.

The Scientific Rationale Behind the Comparison

Tinnitus is multifactorial, involving both auditory pathways and central brain processes responsible for perception, attention, and emotion. Effective management therefore often requires a multidisciplinary approach.

Sound Therapy operates primarily on the auditory level, aiming to reduce the salience of the tinnitus signal. CBT operates on the cognitive and emotional level, aiming to change the patient’s interpretation and response to that signal. The combined approach targets both levels simultaneously, potentially addressing the condition more comprehensively.

The trial’s design reflects a growing consensus that while neither therapy offers a cure, they are core components of modern tinnitus management. Determining their relative and combined efficacy can help streamline treatment pathways.

Current Status and Future Implications

As of now, the trial status is NOT_YET_RECRUITING. The enrollment target is 60 participants.

For patients, the results of this trial could mean more informed and personalized treatment recommendations. If one modality proves significantly more effective for a typical patient, it could become the first-line recommendation. If the combination proves superior, it would support the development of integrated clinical programs offering both sound-based and psychological support.

For clinicians and researchers, the data will provide a clearer evidence base for these common interventions. It will help answer whether resources should be directed toward one approach over another, or whether a combined protocol should be the standard. This can shape future clinical guidelines and training.

This article is for informational purposes only. Consult a qualified professional for personalised advice.

Source:
Trial of Management of Chronic Tinnitus by Sound Therapy and Cognitive Behavioral Therapy (ClinicalTrials.gov: NCT07665385)