Clinical trial NCT02828033: Rilonacept for Treatment of Autoimmune Neurosensory Hearing Loss
Official title: A Pilot Trial of Rilonacept for Treatment of Autoimmune Neurosensory Hearing Loss
Study type: INTERVENTIONAL
Overall status: UNKNOWN
Phase: EARLY_PHASE1
Conditions: Autoimmune Neurosensory Hearing Loss (ANSHL)
Lead sponsor: Metroplex Clinical Research
Sponsor class: OTHER
Collaborators: name: Regeneron Pharmaceuticals
First posted: 2016-07-11
Enrollment: 10
Sex: ALL
Minimum age (years): 18
Maximum age (years): 75
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: NA
Intervention model: SINGLE_GROUP
Primary purpose: TREATMENT

Brief summary: This study is an open label proof of concept study of rilonacept for patients with ANSHL

Detailed description: Ten (10) patients in total will be enrolled in this study at Metroplex Clinical Research Center in Dallas, TX. Patients may be identified and referred by local area audiologist. The ANSHL study population will be defined by inclusion and exclusion criteria designed to limit enrollment to individuals with idiopathic, progressive, bilateral sensorineural hearing loss, to ensure appropriate candidates for treatment with study medications, and to identify those with a high likelihood of complying with the study protocol.

Eligibility criteria: Inclusion Criteria:

1. The presence of progressive sensironeural hearing loss greater than or equal to 30 dB in both ears at one or more frequencies (250, 500, 1000, 2000, 3000, 4000, 6000 or 8000 Hz) and idiopathic-based on clinical evaluation, blood tests, and radiographic imaging.
2. Documented improvement in hearing by audiogram after 30 days of treatment with high dose prednisone 40-60 mg/d. Improvement is defined by 10 dB improvement in pure tone average (500-3000 dB) or an improvement in word identification score of at least 12% in either ear (both relative to baseline). Prednisone could be started at screening but patients may have received prednisone prior to screening and the pre prednisone audiogram will be used as the screening audiogram for this study. It is expected the majority of these patients will screen for the study in this fashion as they are referred from otoloaryngology after initial treatment.
3. 18-75 years of age
4. Able and willing to give written informed consent and comply with the requirements of the study protocol
5. Negative serum pregnancy test (for women of child bearing potential). Males and Females of child bearing potential must agree to consistently use 2 forms of highly effective birth control (at least 1 of which must be a barrier method) starting at screening and throughout the study period and for 3 months after the final study drug administration.

Exclusion Criteria:

1. Pregnant or nursing, or planning to become pregnant or father a child within 3 months after receiving the last dose of study drug
2. Have a known or suspected current active infection or a history of chronic or recurrent infectious disease including, but not limited to, chronic renal infection, chronic chest infections, chronic sinusitis, recurrent urinary tract infections, an open, draining, infected skin wound.
3. Within 2 months of first study drug administration, have had a serious infection, have been hospitalized for an infection, have been treated with PO antibiotics for longer than 2 weeks, or have been treated with intravenous (IV) antibiotics for an infection
4. Uncontrolled diabetes at the baseline visit (defined as HbA1c ≥9.0%)
5. Patients requiring dialysis
6. Patients who have had an organ transplant
7. Treatment with any systemic {non-glucocorticoid} immunosuppressants (e.g. methotrexate, azathioprine, cyclosporine, mercaptopurine, mycophenolate mofetil, tacrolimus, sirolimus within 4 weeks of baseline rilonacept administration. No leflunomide treatment within 8 weeks prior to baseline administration. No etanercept, adalimumab, infliximab, tocilizumab, abatacept, or natalizumab, within 2 months prior to baseline visit; No rituxan for 12 months prior to baseline and evidence of normal B cell count required. Patients previously treated with anakinra for ANSHL cannot be enrolled.
8. Prohibited Medications:

   1. Strong CYP3A4 inhibitors, protease inhibitors or P-gp inhibitors.
   2. Long-acting or extended release forms of opiates.
   3. Live or live-attenuated vaccines are excluded during the course of the study
   4. IA and IM glucocorticoid injections. Long-acting steroid preparations are not allowed during study (this includes suspensions and all forms of dexamethasone).
9. History of a demyelinating disease or symptoms suggestive of multiple sclerosis
10. Treatment with a live or live-attenuated virus vaccine during the 3 months prior to baseline
11. Estimated glomerular filtration rate (eGFR) of \<20 mL/min/1.73m2 or patients planning to start dialysis within a year from the screening visit
12. Baseline laboratory test results meeting any of the following criteria:

    1. Hemoglobin (Hgb)\<8.5 g/dL (85 g/L)
    2. Neutrophil count\<1.5 x 103/μL
    3. Platelet count\<100 x 103/μL
    4. Total bilirubin exceeding 1.5 times the upper limit of normal (ULN) unless consistent with Gilbert's syndrome
    5. Aspartate aminotransferase (AST) or alanine aminotransferase (ALT) exceeding 2 times the ULN
13. Positive history of human immunodeficiency virus (HIV) by clinical or serological testing.
14. Presence of hepatitis B surface antigen (HBsAg) and/or hepatitis C antibody (HCV) by serologic testing
15. History of active TB prior to screening or chest x-ray showing evidence of malignancy or any abnormalities suggestive of prior tuberculosis (TB) infection, including, but not limited to, apical scarring, apical fibrosis, or multiple calcified granulomata.
16. A positive intradermal skin tuberculin test (purified protein derivative \[PPD\] 5 tuberculin unit \[TU\]) of ≥5 mm induration read at 48 to 72 hours or positive QuantiFERON-gold testing. Signs or symptoms suggestive of active TB (e.g. new cough lasting \>14 days or a change in chronic cough, persistent fever, unintentional weight loss, night sweats) upon review of medical history and/or physical examination. If the patient is thought to have a false-positive PPD because of prior BCG vaccination and it is known that the patient has been negative on testing obtained outside the protocol for M. tuberculosis infection using a cell-based interferon gamma assay the patient is eligible for enrollment.
17. Recent close contact with a person with active TB
18. History of latent untreated TB. Patients who have been adequately treated for latent TB are eligible for enrollment.
19. Any other medical condition that in the opinion of the investigator could adversely affect the patient's participation or interfere with evaluations. This includes significant concomitant illness such as, but not limited to, cardiac, renal, neurological, endocrinological, metabolic, pulmonary, gastrointestinal, or psychiatric disease.
20. History or presence of malignancy within 5 years of the screening visit (other than a successfully treated non-metastatic cutaneous squamous cell or basal cell carcinoma and/or localized carcinoma in situ of the cervix)
21. History of a myeloproliferative disorder
22. History of alcohol abuse within last 5 years or current intake of 21 or more alcohol-containing drinks per week
23. History of drug abuse within the 5 years prior to screening
24. Patients with previous exposure to rilonacept
25. Use of any investigational drug within 30 days or within 5 half-lives (whichever is longer) prior to the screening visit
26. Sexually active men or women of childbearing potential who are unwilling to practice adequate contraception during the study (adequate contraceptive measures are defined as the use of two highly effective forms of birth control, include stable use of oral contraceptives or other prescription pharmaceutical contraceptives; intrauterine device; bilateral tubal ligation; vasectomy; condom plus contraceptive sponge, foam, or jelly, or diaphragm plus contraceptive sponge, foam, or jelly)
27. Known moderate-to-severe liver disease (Child-Pugh class B or C)
28. Known hypersensitivity to CHO cell derived therapeutics or proteins or any components of rilonacept

Primary outcomes:
measure: Improvement in hearing in comparison to baseline values
timeFrame: 24 weeks
Secondary outcomes:
measure: Pt reported evaluation of auditory acuity
timeFrame: 24 weeks
measure: Vertigo evaluation
timeFrame: 24 weeks
measure: Tinnitus evaluation
timeFrame: 24 weeks
measure: Quality of Life assessment
timeFrame: 24 weeks
Other outcomes:
Locations:
city: Dallas
country: United States
facility: Metroplex Clinical Research Center
state: Texas
Study officials:
affiliation: Metroplex Clinical Research Center
name: Stanley B Cohen, MD
role: PRINCIPAL_INVESTIGATOR
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