Evaluate the Efficacy and Safety of Arhalofenate for Preventing Flares and Reducing Serum Uric Acid in Gout Patients

Completed · Phase 2 · Has a placebo group

Conditions studied: Gout

In brief

The purpose of this study is to determine whether arhalofenate is effective in preventing flares and reducing serum uric acid in gout patients.

Key facts

Study ID

NCT02063997

Run by

Gilead Sciences

People needed

248

Starts

2014-03-01

Expected to finish

2015-01-01

Last updated by the study team

2018-01-29

Who can join

Age: 18 and older, up to 75. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Male or female patients between 18 and 75 years of age, inclusive
• Known gout diagnosis (per criteria of the American Rheumatism Association for the classification of the acute arthritis of primary gout, see Appendix 3)
• At least three patient-reported and documented flares during the 12 months prior to screening (the first of these flares may have resulted in the gout diagnosis; any recent flare must have resolved, with the patient back to usual comfort level at least seven days prior to screening)
• Have not used any ULT since at least two weeks prior to screening
• Have not used colchicine since at least two weeks prior to screening
• Usual level of resting pain when NOT experiencing flare is three or less on an 11-point numerical rating scale (NRS)
• Have a sUA ≥ 7.5 mg/dL and ≤ 12 mg/dL at screening
• All female patients must be surgically sterile or post-menopausal (at least 45 years of age with no history of menses for at least two years); or have a partner who has undergone vasectomy or must agree to use two medically accepted methods of contraception including a barrier method (see Appendix 4) for the entire duration of study participation unless she reports complete sexual abstinence. Female patients must not be pregnant or lactating
• Estimated creatinine clearance (eCrCl) ≥ 60 ml/min/1.73m2 calculated by Cockcroft-Gault method at screening
• Liver function tests ≤ 3X ULN for AST, ALT and total bilirubin; ≤ 3X ULN for ALP and GGT; and ≤ 3X ULN for CK at screening
• All other clinical laboratory parameters must be within normal limits or considered not clinically significant
• Electrocardiogram (ECG) must be normal, or if abnormal, considered not clinically significant at screening
• Systolic blood pressure ≤ 160 mm Hg and diastolic blood pressure ≤ 90 mm Hg at screening; known hypertensive patients stable (blood pressure [BP] reading as above) with medication may be included
• Patients using agents known to influence sUA levels (see Appendix 7) must be on a stable dose and regimen for at least two weeks prior to screening and must be willing to continue the same doses and regimens during study participation
• Expected to be able to tolerate a short course of either oral NSAIDs and/or oral steroids as may be needed to treat a flare
• Must be able to swallow tablets/capsules
• Following training, must be willing and able to understand and complete an electronic diary

You may not qualify if…

• Receiving treatment with allopurinol, colchicine, probenecid, benzbromarone, or febuxostat within two weeks or pegloticase within six months prior to screening
• Known or suspected secondary hyperuricemia (e.g. due to myeloproliferative disorder or organ transplant)
• Diagnosis of xanthinuria
• Fractional excretion of urate > 10% at screening
• History of documented or suspected kidney stones
• Known infection with the human immunodeficiency virus (HIV) or history of viral hepatitis type B or C
• A diagnosis of illicit drug or alcohol dependence or abuse within one year of screening
• History of upper gastrointestinal (GI) bleeding, documented peptic ulcer disease (unless known H. pylori infection treated successfully without recurrence), within three years of screening
• History of stroke, transient ischemic attack (TIA), acute myocardial infarction (MI), congestive heart failure (NYHA Class II-IV), angina pectoris, coronary intervention procedure (including but not limited to angioplasty, stent placement, coronary revascularization), lower extremity bypass procedure, systemic or intracoronary fibrinolytic therapy within five years of screening
• History of cancer within five years of screening, with the following exceptions: adequately treated non-melanomatous skin cancers, non-metastatic prostate cancer or in situ cervical cancer
• Patients with a history of bladder cancer, active bladder cancer or hematuria
• Body mass index (BMI) > 42 kg/m2 at screening
• Current or expected requirement for anticoagulant therapy (except for aspirin ≤ 325 mg/day, clopidogrel [Plavix] ≤ 75 mg/day, or prasugrel [Effient] ≤ 10 mg/day)
• Use of any of the following within eight weeks prior to screening: potent CYP3A4 inhibitors, cytotoxic agents (including azathioprine, mercaptopurine, cyclosporine, cyclophosphamide, etc.), ranolazine, digoxin, theophylline, sulphonylureas, thiazolidinediones (e.g., rosiglitazone or pioglitazone), atypical antipsychotic agents, ampicillin, amoxicillin, loop diuretics or phenytoin
• Chronic treatment with NSAIDs (except for as needed [prn] use to treat acute events); per protocol a short course of oral NSAIDs may be used to treat flares during the study
• Current or expected chronic treatment with systemic corticosteroids (topical, ophthalmic, intra-articular or inhaled corticosteroid at a dose < 1600 μg/day is permitted); per protocol a short course of oral corticosteroid may be used to treat flares occurring during the study
• History of intra-articular steroid injection to treat flare within four weeks of screening
• Known hypersensitivity or intolerance to allopurinol or colchicine
• Treatment with any other investigational therapy within 30 days or within five half lives, whichever is longer, prior to screening
• Patients who received arhalofenate in a previous trial
• Any other condition(s) that would compromise the safety of the patient, prevent compliance with the study protocol including ability to use an electronic diary, or compromise the quality of the clinical study, as judged by the Investigator and/or Medical Monitor

Where it is running

• Study site — Scottsdale, Arizona, United States
• Study site — Tucson, Arizona, United States
• Study site — Little Rock, Arkansas, United States
• Study site — El Cajon, California, United States
• Study site — Long Beach, California, United States
• Study site — Los Angeles, California, United States
• Study site — Denver, Colorado, United States
• Study site — Washington D.C., District of Columbia, United States
• Study site — Clearwater, Florida, United States
• Study site — DeLand, Florida, United States
• Study site — Jupiter, Florida, United States
• Study site — New Port Richey, Florida, United States
• Study site — Orlando, Florida, United States
• Study site — Palm Harbor, Florida, United States
• Study site — St. Petersburg, Florida, United States
• Study site — Tampa, Florida, United States
• Study site — Honolulu, Hawaii, United States
• Study site — Boise, Idaho, United States
• Study site — Brownsburg, Indiana, United States
• Study site — Bowling Green, Kentucky, United States
• Study site — Elizabethtown, Kentucky, United States
• Study site — Louisville, Kentucky, United States
• Study site — Owensboro, Kentucky, United States
• Study site — Hagerstown, Maryland, United States
• Study site — Birmingham, Alabama, United States

Full record on ClinicalTrials.gov

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