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Study to observe efficacy and safety of AM-101 in patients with tinnitus

Phase 1
Conditions
acute peripheral tinnitus following traumatic cochlear injury or otitis media
MedDRA version: 20.0Level: PTClassification code 10043882Term: TinnitusSystem Organ Class: 10013993 - Ear and labyrinth disorders
Therapeutic area: Diseases [C] - Ear, nose and throat diseases [C09]
Registration Number
EUCTR2012-004099-20-PL
Lead Sponsor
Auris Medical AG
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
ot Recruiting
Sex
All
Target Recruitment
750
Inclusion Criteria

A subject will be eligible for inclusion in this study if all of the following criteria apply:
1. Persistent subjective peripheral tinnitus (unilateral or bilateral) following traumatic cochlear injury (acute acoustic trauma, blast trauma, middle ear surgery, inner ear barotrauma, tympanic membrane trauma) or otitis media with onset no longer than three months (Stratum A) or between three and 6 months (Stratum B) prior to randomization (D0), as documented by medical report or by documented medical history.
Persistent tinnitus is given when the question, When you were thinking of your tinnitus in the past two weeks, could you always hear it or only sometimes?” is answered with Always”, and the question, Did your tinnitus in the past two weeks occur all of the time, most of the time, a good bit of the time, some of the time, a little of the time, none of the time?” is answered with All of the time” or Most of the time” or A good bit of the time”. The words, past two weeks may be replaced with since onset” if tinnitus started less than two weeks ago.
2. Age = 18 years and = 75 years;
3. Negative urine pregnancy test for women of childbearing potential; Women are not considered to be of childbearing potential if they meet 1 of the following criteria:
a. They have had a hysterectomy or tubal ligation at minimum 1 cycle prior to signing the ICF or
b. They are post menopausal, defined as =1 year since their last menstrual period for women =55 years of age or =1 year since their last menstrual period and have a follicle stimulating hormone (FSH) level in menopausal range for women <55 years of age;
4. Willing and able to attend the study visits;
5. Able to read and understand study documents, to complete the relevant questionnaires and rating scales and follow Investigator instructions;
6. Able to understand and follow study personnel instructions during audiologic measurements;
7. Willing and able to use adequate hearing protection, respectively to refrain from engaging in activities or work involving loud noise exposure where sufficient hearing protection is not possible or ensured;
8. Willing and able to protect ear canal and middle ear from water exposure as long as tympanic membrane is not fully closed after IMP administration;
9. Signed IRB/IEC approved Informed Consent Form (ICF).
Are the trial subjects under 18? no
Number of subjects for this age range:
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range 700
F.1.3 Elderly (>=65 years) yes
F.1.3.1 Number of subjects for this age range 50

Exclusion Criteria

A subject will not be eligible for inclusion in this study if any of the following criteria apply:
1. Fluctuating tinnitus;
Fluctuating tinnitus is given when the question Over the last 2 weeks, has the pitch of your tinnitus [risen / decreased / fluctuated / remained steady / not clear]?” is answered with fluctuated” or not clear”.
2. Intermittent tinnitus;
Intermittent tinnitus is given when the question When you were thinking of your tinnitus in the past two weeks, could you always hear it or only sometimes?” is answered with only sometimes”.
3. Tinnitus resulting from traumatic head or neck injury;
4. Onset of tinnitus more than 3 months ago (Stratum A), respectively more than 6 months ago (Stratum B);
5. Suspected or diagnosed Meniere’s Disease, history of endolymphatic hydrops, or history of fluctuating hearing loss;
6. History of repeated idiopathic sudden sensorineural hearing loss (defined as at least two events of ISSNHL in the last 24 months) or history of acoustic neuroma;
7. Ongoing purulent acute or chronic otitis media or otitis externa;
8. Abnormality of the tympanic membrane in the affected ear(s) that would preclude i.t. injection;
9. Subjects with current hearing loss in the affected ear(s) of 75 dB or more in one or more test frequencies (250 Hz, 500 Hz, 1 kHz, 2 kHz, 3 kHz, 4 kHz, 6 kHz, 8 kHz);
10. Subjects with fluctuating hearing (=20 dB difference in any two contiguous test frequencies over the screening period; SV, D-14 to TV1, D0);
11. Any drug-based therapy for otitis media or otitis externa that is ongoing or was performed in the past two weeks prior to randomization (TV1, D0);
12. Any drug-based therapy known as potentially tinnitus-inducing (e.g. aminoglycosides, cisplatin, loop diuretics, high doses of aspirin [> 2 g/day] or quinine) in the past 2 weeks prior to randomization (TV1, D0) or that is ongoing or planned for the study duration;
13. Use of any other NMDA receptor antagonist (e.g. memantine, dextromethorphan) in the past 2 weeks prior to randomization (TV1, D0), or that is ongoing, or that is planned for the study duration;
14. Any ongoing or planned pharmacological or non-pharmacological treatment of tinnitus for the study duration;
15. History within the past two years or presence of drug abuse or alcoholism;
16. Subjects with diagnosed anxiety disorders, depression, bipolar disorder, schizophrenia or other significant psychiatric diseases requiring current drug treatment or subjects who required treatment in the previous 3 months prior to randomization (TV1, D0) for these diseases;
17. Use of any antidepressant or anti-anxiety medication in the past 2 weeks prior to randomization (TV1, D0), or that is ongoing, or that is planned for the study duration unless the medication was taken in a low dose and permanently for at least 3 months prior to randomization (TV1, D0), not for the treatment of tinnitus, and if the treatment will be maintained throughout the duration of the study;
18. Any clinically relevant respiratory, cardiovascular, neurological disorder (except vertigo), as determined by the Investigator;
19. Any clinically relevant abnormalities in laboratory test or physical examination prior to randomization;
20. Known hypersensitivity, allergy or intolerance to the study medication or any history of severe, abnormal drug reaction;
21. Women who are breast-feeding, pregnant or who are planning to become pregnant during the study;
22. Women of childbearing pot

Study & Design

Study Type
Interventional clinical trial of medicinal product
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Secondary Outcome Measures
NameTimeMethod
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