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Austin, Texas 78744


The purpose of this study is to assess the effect of antacid administration, and its timing, on the bioavailability of a single dose of febuxostat extended-release (XR) 80 mg.

Study summary:

The drug being tested in this study is called febuxostat extended-release (XR). Febuxostat XR is being tested to assess if antacids affect how the drug moves throughout the body. This study will look at lab safety and side effects in people who take febuxostat XR. This cross-over study will enroll approximately 36 patients. Participants will be randomly assigned to one of four treatment sequences. All participants will receive the following study medications by the end of the study: - Febuxostat XR 80 mg capsules - Maalox Advance Regular Strength liquid containing Aluminum Hydroxide 200 mg, Magnesium Hydroxide 200 mg, and Simethicone 20 mg/5 mL or equivalent All participants will be administered one dose of one or both of the study medications on Day 1 of four separate study periods. This single-centre trial will be conducted in the United States. The overall time to participate in this study is up to 84 days. Participants will make 5 visits to the clinic including four 4-day periods of confinement to the clinic, and will be contacted by telephone 30 days after last dose of study drug for a follow-up assessment.


Inclusion Criteria: 1. Is a healthy adult male or female aged 18 to 55 years, inclusive, by check-in (Day-1 of Period 1) 2. Weighs at least 50 kg (110 pounds), and has a body mass index (BMI) between 18.0 kg/m^2 to 30 kg/m^2, inclusive at Screening. 3. Has estimated glomerular filtration rate ≥90 mL/min Exclusion Criteria: Any participant who meets any of the following criteria will not qualify for entry into the study: 1. Has received any investigational compound within 30 days prior to the first dose of study medication. 2. Has received febuxostat in a previous clinical study or as a therapeutic agent. 3. Has a known hypersensitivity to any xanthine oxidase inhibitor, xanthine compounds or any component of the formulation of febuxostat tablets (see Package Insert) or to caffeine. 4. Has a known hypersensitivity to aluminum, magnesium hydroxide, or any component of the formulation of antacid (Maalox Advanced Regular Strength or equivalent) (see Package Insert). 5. Has a history of drug abuse (defined as any illicit drug use) or a history of alcohol abuse within 1 year prior to the Screening visit or is unwilling to agree to abstain from alcohol and drugs throughout the study. If female, the participant is pregnant or lactating or intending to become pregnant before, during, or within 30 days after participating in this study; or intending to donate ova during such time period. 6. Has current or recent (within 6 months) gastrointestinal disease that would be expected to influence the absorption of drugs (ie, a history of malabsorption, esophageal reflux, peptic ulcer disease, erosive esophagitis frequent [more than once per week] occurrence of heartburn, or any surgical intervention [eg, cholecystectomy]).



Primary Contact:

Study Director
Medical Director Clinical Science

Backup Contact:


Location Contact:

Austin, Texas 78744
United States

There is no listed contact information for this specific location.

Site Status: N/A

Data Source: ClinicalTrials.gov

Date Processed: November 18, 2019

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