A Study to Investigate the Clinical Effect and the Safety of PRX-115 Infused Intravenously at Different Dosing Regimens, With and Without Methotrexate, Versus Placebo in Adults Gout Patients (RELEASE)
Study Identifier:
PB115-GT-201
ClinicalTrials.gov Identifier:
EudraCT Identifier:
N/A
EU CT ID:
N/A
Study Contact Information:
Recruiting
Study Details
Medical Condition
- Unmapped
Study Drug
- Biological: PRX-115
- Drug: Methotrexate (MTX)
Date
Dec 2025 - Dec 2027
Phase 1
Phase 2
Phase 3
Phase 4
N/A
Patient Requirements
Sex: Female & Male
Age: 18+ years
Requirements Information
Inclusion and Exclusion Criteria
Inclusion Criteria
- Males or females ≥18 years of age.
- Weight within the range of 50.0 - 150.0 kg.
- Gout patients who failed to normalize sUA (\<7 mg/dL) with or without xanthine oxidase inhibitors or uricosuric agent or have contraindications to these drugs.
- Willing to discontinue any oral ULT
- Females who are sterile, postmenopausal, or non-pregnant and using birth control methods.
Exclusion Criteria
- Any condition known to have arthritis as a clinical manifestation.
- Positive testing for HBV,HCV, or HIV.
- The patient is a pregnant or lactating female or plans to become pregnant during the study period.
- Known allergy or sensitivity to the injected proteins, including pegylated products.
- Prior exposure to any experimental or marketed uricase.
- Patient treated with a medication known to have an influence on urate metabolism or clearance such as ULTs.
- History of anaphylaxis, severe allergic reactions, or severe atopy.
- G6PD deficiency or known catalase deficiency.
- History of significant hematologic or autoimmune disorders within 5 years of Screening and/or patient is immunocompromised or treated with immunosuppressive medications.
- Non-compensated CHF or hospitalization for CHF (Stage 3-4 NYHA Functional Class) within 3 months of the Screening Visit, uncontrolled arrhythmia, treatment for acute coronary syndrome (myocardial infarction or unstable angina), or uncontrolled BP (\>160/100 mmHg) at screening and prior to randomization at Week -4 (Visit 1).
- Current liver disease, as determined by ALT or AST levels above upper limit of normal at Screening Visit.
- Chronic liver disease.
- Hemoglobin \<11 g/dL, neutrophil count \<1500 /µl, or platelet count \<100,000 /µl.
- Known severe pulmonary fibrosis, bronchiectasis or interstitial pneumonitis.
- eGFR ≤ 40 mL/min/1.73m2 tested at Screening Visit. Kidney transplant or requires dialysis.
- Known intolerance and/or known contraindication to MTX treatment or MTX treatment considered inappropriate
- Has uncontrolled type 2 diabetes at Screening with HbA1c ≥8.5%. Patients with type 1 diabetes will be excluded.
- Has known latent autoimmune diabetes of adult.
- Immunocompromised state, regardless of etiology.
- History or treatment of malignancy in the last 5 years, excluding localized, nonmelanoma skin cancers (e.g. basal or squamous cell)
Healthy Volunteers
No
Protocol Summary
This is a multicenter, randomized, double-blind, placebo-controlled phase II study assessing the efficacy, safety, and dosing regimen selection of multiple IV infusions of PRX-115 over 24 weeks, with or without MTX, versus the respective placebos in adult patients with gout.
Study Locations
Location
Status
Location
Applied Research Center of Arkansas
Little Rock, Arkansas, United States, 72205
Status
Recruiting
Location
Triwest Research Associates Llc
El Cajon, California, United States, 91910
Status
Recruiting
Location
Clinical Research of West Florida, Inc.
Clearwater, Florida, United States, 33765
Status
Recruiting
Location
Accel Research Sites - Deland Clinical Research Unit
DeLand, Florida, United States, 32720
Status
Recruiting
Location
ICR Sites East
Doral, Florida, United States, 33125
Status
Recruiting
Location
Qway Research
Hialeah, Florida, United States, 33010
Status
Recruiting
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