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Tinnitus clinical trials

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NCT ID: NCT03365011 Completed - Tinnitus Clinical Trials

Nitrous Oxide Treatment for Tinnitus

Start date: October 2016
Phase: Phase 4
Study type: Interventional

Tinnitus is perception of sound without the presence of an external acoustic stimulus. Approximately 50 million Americans experience chronic tinnitus and of these, 10 million have bothersome tinnitus. The tinnitus research literature suggests that NMDA receptor antagonists may prove to be useful in reducing tinnitus. Nitrous oxide, a member of the NMDA receptor antagonist class, is a widely-used general anesthetic and sedative with a proven safety profile. The investigators hypothesized that the administration of nitrous oxide, an NMDA receptor antagonist, may be effective in treatment of tinnitus. The study design was a randomized placebo-controlled crossover trial.

NCT ID: NCT03336398 Not yet recruiting - Tinnitus Clinical Trials

Investigation of the NMDA Antagonist Ketamine as a Treatment for Tinnitus

Start date: December 2017
Phase: Phase 2
Study type: Interventional

Tinnitus, or ringing in the ears, is a very common problem that often accompanies hearing loss. It affects up to 1 in 10 adults, and about 30% of people who experience chronic tinnitus find it very distressing. In these patients, symptoms of depression and anxiety often accompany tinnitus and there are no approved treatments. Clinical trials are ongoing to test a glutamate NMDA receptor antagonist (called esketamine), which is injected into the inner ear. However, the preliminary results with this medication show that it only works for tinnitus that results from acute injury. It does not treat tinnitus resulting from progressive hearing loss. Research in humans and animals suggest that the neurotransmitters glutamate and GABA are important in the development and maintenance of tinnitus. This data shows that over-activation of the NMDA receptor and a decrease in GABA signaling in the brain play a crucial role. Previous studies show that ketamine, which an antagonist at the NMDA receptor, increases GABA levels in the brain in participants with depression. Thus, in this experiment, this study will test the effect of ketamine on tinnitus, since it blocks the NMDA glutamate receptor and increase GABA levels. Two groups of participants will be included in this study: those who experience distress (symptoms of anxiety or depression) with tinnitus and those who have tinnitus but do not experience distress. Each participant will receive both ketamine and placebo on different days. Magnetic Resonance Spectroscopy (MRS) scans will be

NCT ID: NCT03309696 Recruiting - Tinnitus Clinical Trials

Regulating Homeostatic Plasticity and the Physiological Response to rTMS

Start date: November 16, 2017
Phase: Early Phase 1
Study type: Interventional

This device-study includes a pilot, physiological investigation of normal human subjects. The aim is to determine how existing non-invasive neuromodulation devices affect brain circuitry as measured by EEG recording. Currently, the application of non-invasive neuromodulation is rarely guided by detailed knowledge of how neural activity is altered in the brain circuits that are targeted for intervention. This gap in knowledge is problematic for interpreting response variability, which is common. To address this gap, the current proposal aims to combine two forms of neuromodulation sequentially, transcranial direct current stimulation (tDCS) and repetitive transcranial magnetic stimulation (rTMS), to regulate homeostatic plasticity prior to rTMS delivery at different frequencies of rTMS. Homeostatic plasticity, the initial activation state of a targeted circuit, is a key determinant of whether rTMS induces long term potentiation (LTP) or long term depression (LTD) Yet, homeostatic plasticity is rarely measured or controlled in rTMS studies. We aim to control homeostatic plasticity by preconditioning the targeted circuits with tDCS prior to rTMS delivery. The protocol also includes an exploratory aim to examine physiological changes in patients with tinnitus who only receive active stimulation, however, the exploratory aim is not part of the pilot physiological investigation.

NCT ID: NCT03295890 Recruiting - Tinnitus Clinical Trials

Dry Needling on the Treatment of Chronic Somatosensory Tinnitus: An Open Pilot Study

Start date: July 29, 2016
Phase: N/A
Study type: Interventional

Self paring study, double blind placebo controlled with chronic tinnitus patients attended at the Tinnitus Research Group HC- FMUSP, complaining of neck and/or cervical pain and with myofascial trigger point in the head, neck and/or shoulder. They were submitted to a complete otolaryngologist evaluation which included history, physical examination and myofascial trigger point checkup. Patients also performed blood tests, tonal and vocal audiometry, and psychoacoustic tinnitus measures. Self paring study, double blind placebo controlled. Each patient will be subjected to the dry needling placebo, 4 sessions, 1 per week, with placebo stretching, followed by washout period of two weeks, and 4 more dry needling therapeutic sessions and active stretching. On the first day of the study will be conducted the following evaluation: questionnaires THI and NDI, quantification of cervical pain and tinnitus through the Visual analogue scale (VAS), search and confirmation of the presence of PGM and cervical pain, psychoacoustic measures and somatic tests. This evaluation will be repeated at the end of the four placebo sessions, at the beginning of therapeutic needling sessions and at the end of the same.

NCT ID: NCT03265197 Completed - Tinnitus Clinical Trials

Evaluation of Adding Lidocaine to Dexamethasone in Intra-tympanic Injection for Management of Tinnitus

Start date: March 2015
Phase: Phase 1
Study type: Interventional

Importance; Tinnitus is a heterogeneous diagnosis that may occur alone, in the presence of hearing loss or as a component of other disorders and can be quite disabling. Intratympanic injections of medications recently proved to have role in management of tinnitus. The investigators report on our experience with the use of intratympanic injection of Lidocaine as local anesthetic which potentiate the action of dexthamesasone in treatment of tinnitus without adding potential risks of inner ear Objective; to describe the effect of Lidocaine as local anesthetic may potentiate the action of dexthamesasone intratympanic injection in treatment of tinnitus without adding potential risks of inner ear Design, Setting, participants ; For this single tertiary center( Tanta University Hospital ) prospective case series, the investigators included 44 patients divided into two groups (A and B) 22 patients in each group suffering from tinnitus between March 2015 and October 2015 Intervention; Under local anesthesia 22 patients were subjected to intratympanic injection with combined Lidocaine 2% and dexamethasone with ratio (1:1), in the group A, and 22 patients in the other group B were subjected to intratympanic injection with dexamethasone only , this process was repeated 3 times for 3 successive weeks. Main Outcome and Measures; the primary outcome is self-reported significant improve in tinnitus in group A more in group B without adding significant damage of inner ear

NCT ID: NCT03218046 Recruiting - Tinnitus Clinical Trials

EMDR as a Treatment for Tinnitus

Start date: July 2016
Phase: N/A
Study type: Interventional

Tinnitus may be considered as a form of phantom auditory sensation and as such parallels may be drawn with other forms of phantom sensation, such as the sensation of pain in an amputated limb (phantom limb pain). There has been recent interest in the use of eye movement therapies to treat patients with phantom sensations such as these. The role of eye movements in the propagation and maintenance of tinnitus has also been well established. The main aim of this study is to evaluate the effectiveness of an established form of eye movement therapy called Eye Movement Desensitisation and Reprocessing (EMDR). This research is important as EMDR has produced encouraging results for other forms of phantom sensation and current models of tinnitus fit well with the proposed mode of action of EMDR. Tinnitus is very prevalent in our population and is often associated with significant discomfort; however, there is a severe lack of effective treatments based on well designed clinical trials. The investigator wishes to assess the usefulness of EMDR against the current treatment that is available in many institutions including the Investigator's own. The Investigator intends to recruit 15-30 patients initially to run a pilot study, before embarking on a larger scale study. The Investigator hopes that this pilot study will run over the course of a year. If this study demonstrates a significant improvement in tinnitus in patient undergoing EMDR, this will be an important step forward not only for treating patients with this disorder, but also for understanding the pathways that initiate, propagate and maintain tinnitus perception.

NCT ID: NCT03209297 Recruiting - Clinical trials for Tinnitus, Subjective

Temporomandibular Dysfunction in Patients With Tinnitus: Assessment and Treatment

Start date: March 27, 2017
Phase: N/A
Study type: Interventional

TMD treatment, based on state of the art knowledge derived from clinical studies will be applied in patients with tinnitus and TMD. When this approach proves to be useful for the treatment of tinnitus, it offers a new therapeutic option for patients with tinnitus. To understand how TMD treatment works for patients with tinnitus, we will analyse mediating factors, i.e. factors that contribute to the therapeutic effect. To help clinicians in their clinical process we will identify prognostic indicators, i.e. factors that predict a positive or negative outcome of TMD treatment. This can provide a helpful tool in clinical practice.

NCT ID: NCT03143842 Active, not recruiting - Clinical trials for VNS Implanted Tinnitus Patients

Investigating Accelerated Learning in Tinnitus Participants Implanted With Vagus Nerve Stimulation

Start date: April 27, 2017
Phase: N/A
Study type: Interventional

The purpose of this study is to investigate whether it is possible to accelerate learning and improve memory performance in VNS implanted tinnitus participants by pairing VNS with a verbal paired-associate learning task.

NCT ID: NCT03131674 Recruiting - Clinical trials for Tinnitus, Subjective

The Effect of Cervical Physical Therapy Treatment in Patients With Somatic Tinnitus

Start date: April 1, 2017
Phase: N/A
Study type: Interventional

This study investigates the effect of cervical physical therapy on tinnitus annoyance in patients with somatic tinnitus. This study specifically enrolls patients with co-varying tinnitus and neck complaints, with low-pitched tinnitus or patients who's tinnitus can be influenced by neck movements or positions. These inclusion criteria were chosen, since a prior study showed that these factors were good prognostic indicators for a positive treatment effect.

NCT ID: NCT03114878 Recruiting - Tinnitus Clinical Trials

The Value of EMDR in the Treatment of Tinnitus

Start date: October 2016
Phase: N/A
Study type: Interventional

A prospective, randomized, controlled, clinical trial with blind evaluator that uses TRT and EMDR as a treatment for tinnitus.