The purpose of this study is to determine the efficacy, durability and long-term safety of reloxaliase in patients with enteric hyperoxaluria.
This is a phase 3, global, multi-center, randomized, double-blind, placebo-controlled study. This study is designed to determine the short- and long-term efficacy of reloxaliase in terms of reducing urinary oxalate excretion and clinical benefits compared to placebo.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
92
Reloxaliase 2 capsules, orally, with each meal/snack, 3 to 5 times per day
Placebo 2 capsules, orally, with each meal/snack, 3 to 5 times per day
Percent change from baseline in 24-hour urinary oxalate excretion during Weeks 1 to 4
Efficacy will be assessed based on percent change from baseline to the average across Weeks 1 to 4, derived from all 24-hour collections during Weeks 1 to 4 on treatment
Time frame: 4 weeks
Proportion of subjects with kidney stone disease progression (composite of symptomatic kidney stone(s) or finding of new or enlarged kidney stone(s) on imaging)
Efficacy will be assessed by comparing kidney stone disease progression event rate on reloxaliase vs. placebo
Time frame: up to 48 months
Percent change from baseline in 24-hour urinary oxalate excretion during Weeks 16-24
Efficacy will be assessed based on percent change from baseline to the average across Weeks 16-24, derived from all 24-hour collections during Weeks 16-24 on treatment
Time frame: 24 weeks
Proportion of subjects with a ≥ 20% reduction from baseline in 24-hour urinary oxalate excretion during Weeks 1-4
Efficacy will be assessed based on proportion of subjects with ≥ 20% reduction from baseline to the average across Weeks 1-4, derived from all 24-hour collections during Weeks 1-4 on treatment
Time frame: 4 weeks
Hospitalizations or emergency room (ER) visits or procedures for the management of kidney stones
Efficacy will be assessed by comparing utilization on reloxaliase vs. placebo
Time frame: up to 48 months
Change in estimated glomerular filtration rate (eGFR) from baseline
Efficacy will be assessed by comparing the rate of change in eGFR on reloxaliase vs. placebo
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University of Alabama- Department of Urology
Birmingham, Alabama, United States
Alliance for Multispecialty Research, LLC
Mobile, Alabama, United States
Aventiv Research Inc.
Mesa, Arizona, United States
Arizona Kidney Disease and Hypertension Center (AKDHC)- Phoenix
Peoria, Arizona, United States
Arizona Kidney Disease and Hypertension Center (AKDHC)- Glendale
Phoenix, Arizona, United States
Mayo Mercy Hospital
Phoenix, Arizona, United States
Urological Associates of Southern Arizona
Tucson, Arizona, United States
Banner University Medical Center
Tucson, Arizona, United States
Arkansas Urology
Little Rock, Arkansas, United States
Applied Research Center of Arkansas
Little Rock, Arkansas, United States
...and 103 more locations
Time frame: up to 48 months