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Efficacy, Safety and Tolerability of Neramexane in Patients With Subjective Tinnitus (EASE)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00739635
Recruitment Status : Completed
First Posted : August 22, 2008
Last Update Posted : February 4, 2016
Information provided by (Responsible Party):
Merz Pharmaceuticals GmbH

Brief Summary:
The purpose of this study is to investigate the safety and efficacy of neramexane mesylate in the treatment of subjective tinnitus in comparison to placebo.

Condition or disease Intervention/treatment Phase
Subjective Tinnitus Drug: Neramexane mesylate Drug: Placebo Phase 3

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 411 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: A Randomized, Double-Blind, Placebo-Controlled, Clinical Evaluation of the Efficacy, Safety and Tolerability of Neramexane in Patients With Subjective Tinnitus
Study Start Date : September 2008
Actual Primary Completion Date : February 2010
Actual Study Completion Date : February 2010

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Tinnitus

Arm Intervention/treatment
Experimental: 1 Drug: Neramexane mesylate
Double-blind treatment period of 17 weeks up to 75 mg Neramexane mesylate per day

Placebo Comparator: 2 Drug: Placebo
Double-blind treatment period of 17 weeks placebo

Primary Outcome Measures :
  1. TBF-12 (Tinnitus-Beeinträchtigungs-Fragebogen-12 "Tinnitus Handicap Inventory-12") total score change from baseline to end of treatment [ Time Frame: Screening, Baseline, week 5, 13, 17 ]

Secondary Outcome Measures :
  1. TBF-12 factorial scores, individual responder rate, Tinnitus Rating Scale, Sleep Questionnaire, population pharmacokinetics, optional pharmacogenetics [ Time Frame: 17 weeks ]
  2. safety parameters [ Time Frame: 17 weeks ]

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 75 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Patients aged 18 to 75 years with a clinical diagnosis of first onset,
  • Persistent (i.e. tinnitus should never be absent for > 24 hours in a row), subjective, uni- or bilateral tinnitus present for at least 3 months but not more than 12 months

Exclusion Criteria:

  • Clinical diagnosis of intermittent or pulsatile tinnitus
  • Patients who have tinnitus as a concomitant symptom of an otological/neurological disease (such as otitis media, Menière's disease, otosclerosis, etc)

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00739635

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Sponsors and Collaborators
Merz Pharmaceuticals GmbH
Additional Information:
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Responsible Party: Merz Pharmaceuticals GmbH Identifier: NCT00739635    
Other Study ID Numbers: MRZ 92579/TI/3001
EudraCT Number 2007-007835-16
First Posted: August 22, 2008    Key Record Dates
Last Update Posted: February 4, 2016
Last Verified: February 2016
Additional relevant MeSH terms:
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Hearing Disorders
Ear Diseases
Otorhinolaryngologic Diseases
Sensation Disorders
Neurologic Manifestations
Nervous System Diseases