Open-Label Extension Study for Patients Who Completed a Phase 3 Double-blind Study of PEG-uricase for Symptomatic Gout

NCT ID: NCT01356498

Last Updated: 2011-12-02

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

151 participants

Study Classification

INTERVENTIONAL

Study Start Date

2006-12-31

Study Completion Date

2010-01-31

Brief Summary

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This is an open-label extension phase of two double-blind, placebo-controled Phase 3 protocols evaluating PEG-uricase in the treatment of hyperuricemic subjects with symptomatic gout. The purpose of this study is to provide a continuation of treatment to subjects completing the double-blind studies and obtain long-term safety and efficacy data.

Detailed Description

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Conditions

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Gout

Keywords

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gout chronic gout

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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q2 RCT

Pegloticase every 2 wk arm of Randomized Controlled Trial(RCT), continued to receive pegloticase every 2 weeks (q2 wk) or every 4 weeks (q4 wk) in Open Label Extention (OLE) study

Group Type EXPERIMENTAL

pegloticase

Intervention Type BIOLOGICAL

8 mg intravenous infusion

q4 RCT

Pegloticase every 4 wk arm of Randomized Controlled Trial (RCT), continued to receive pegloticase every 2 weeks (q2 wk) or every 4 weeks (q4 wk) in Open Label Extention (OLE) study

Group Type EXPERIMENTAL

pegloticase

Intervention Type BIOLOGICAL

8 mg intravenous infusion

Placebo in RCT

Placebo arm in Randomized Controlled Trial (RCT), received pegloticase every 2 weeks (q2 wk) or every 4 weeks (q4 wk) in OLE

Group Type EXPERIMENTAL

pegloticase

Intervention Type BIOLOGICAL

8 mg intravenous infusion

Interventions

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pegloticase

8 mg intravenous infusion

Intervention Type BIOLOGICAL

Eligibility Criteria

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Inclusion Criteria

* Completed treatment in one of two double-blind, placebo controlled studies of PEG-uricase in subjects with hyperuricemia and symptomatic gout

Exclusion Criteria

* unstable angina
* uncontrolled arrhythmia
* uncontrolled hypertension
* end stage renal disease requiring dialysis
* anemia
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Savient Pharmaceuticals

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Medical Director, M.D.

Role: STUDY_DIRECTOR

Savient Pharmaceuticals, Inc.

Locations

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Kaiser Permanente Medical Center, Clinical Trials Unit

San Francisco, California, United States

Site Status

Pacific Arthritis Center Medical Group

Santa Maria, California, United States

Site Status

Agilence Arthritis & Osteoporosis Medical Center

Whittier, California, United States

Site Status

Veterans Affairs Medical Center

Washington D.C., District of Columbia, United States

Site Status

Arthritis & Rheumatic Disease Specialties

Aventura, Florida, United States

Site Status

Ocala Rheumatology Research Center

Ocala, Florida, United States

Site Status

St. Petersburg Arthritis Center

St. Petersburg, Florida, United States

Site Status

The University of Chicago

Chicago, Illinois, United States

Site Status

Graves Gilbert Clinic

Bowling Green, Kentucky, United States

Site Status

Peter A. Holt, M.D.

Baltimore, Maryland, United States

Site Status

Center for Rheumatology and Bone Research

Wheaton, Maryland, United States

Site Status

Justus J. Fiechtner, MD, PC

Lansing, Michigan, United States

Site Status

CentraCare Clinic

Saint Cloud, Minnesota, United States

Site Status

Rheumatology Associates of North Jersey

Teaneck, New Jersey, United States

Site Status

Duke University Medical Center

Durham, North Carolina, United States

Site Status

New Horizons Clinical Research

Cincinnati, Ohio, United States

Site Status

The Ohio State University

Columbus, Ohio, United States

Site Status

STAT Research, Inc.

Dayton, Ohio, United States

Site Status

David R. Mandel, MD, Inc.

Mayfield Village, Ohio, United States

Site Status

Altoona Center for Clinical Research

Duncansville, Pennsylvania, United States

Site Status

Mid Atlantic Research Assoc.

Philadelphia, Pennsylvania, United States

Site Status

Arthritis Northwest, PLLC

Spokane, Washington, United States

Site Status

Countries

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United States

References

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Pillinger MH, Fields TR, Yeo AE, Lipsky PE. Dissociation Between Clinical Benefit and Persistent Urate Lowering in Patients with Chronic Refractory Gout Treated with Pegloticase. J Rheumatol. 2020 Apr;47(4):605-612. doi: 10.3899/jrheum.190161. Epub 2019 Jun 15.

Reference Type DERIVED
PMID: 31203212 (View on PubMed)

Lipsky PE, Calabrese LH, Kavanaugh A, Sundy JS, Wright D, Wolfson M, Becker MA. Pegloticase immunogenicity: the relationship between efficacy and antibody development in patients treated for refractory chronic gout. Arthritis Res Ther. 2014 Mar 4;16(2):R60. doi: 10.1186/ar4497.

Reference Type DERIVED
PMID: 24588936 (View on PubMed)

Baraf HS, Becker MA, Gutierrez-Urena SR, Treadwell EL, Vazquez-Mellado J, Rehrig CD, Ottery FD, Sundy JS, Yood RA. Tophus burden reduction with pegloticase: results from phase 3 randomized trials and open-label extension in patients with chronic gout refractory to conventional therapy. Arthritis Res Ther. 2013 Sep 26;15(5):R137. doi: 10.1186/ar4318.

Reference Type DERIVED
PMID: 24286509 (View on PubMed)

Other Identifiers

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C0407

Identifier Type: -

Identifier Source: org_study_id