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Enzyme Inhibitor

Pegloticase With Methotrexate (MTX) for Gout (MIRROR OL Trial)

Phase 4
Waitlist Available
Research Sponsored by Amgen
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be older than 18 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up month 3 and month 6 combined (weeks 10, 12, 14, 20, 22, and 24)
Awards & highlights
No Placebo-Only Group
Pivotal Trial
All Individual Drugs Already Approved
Drug Has Already Been Approved

Summary

The overall objective of the study is to assess the efficacy, safety, tolerability, and pharmacokinetics (PK) of the concomitant use of pegloticase with methotrexate (MTX) to enhance the response rate seen with pegloticase alone in adults with uncontrolled gout.

Eligible Conditions
  • Gout

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~month 3 and month 6 combined (weeks 10, 12, 14, 20, 22, and 24)
This trial's timeline: 3 weeks for screening, Varies for treatment, and month 3 and month 6 combined (weeks 10, 12, 14, 20, 22, and 24) for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
Percentage of Serum Uric Acid (sUA < 6 mg/dL) Responders During Month 6
Secondary study objectives
Mean Change in sUA From Pegloticase Baseline to Weeks 14, 24, 36, 52
Percentage of Serum Uric Acid (sUA < 5 mg/dL) Overall Responders
Percentage of Serum Uric Acid (sUA < 5 mg/dL) Responders During Month 3
+3 more

Awards & Highlights

No Placebo-Only Group
All patients enrolled in this study will receive some form of active treatment.
Pivotal Trial
The final step before approval, pivotal trials feature drugs that have already shown basic safety & efficacy.
All Individual Drugs Already Approved
Therapies where all constituent drugs have already been approved are likely to have better-understood side effect profiles.
Drug Has Already Been Approved
The FDA has already approved this drug, and is just seeking more data.

Trial Design

1Treatment groups
Experimental Treatment
Group I: Pegloticase With Methotrexate (MTX)Experimental Treatment5 Interventions
Run-In Period: oral MTX at a dose of 15 mg weekly for 4 weeks prior to the first dose of pegloticase. Pegloticase + Immunomodulator (IMM) Period: pegloticase 8 mg administered intravenously (IV) every 2 weeks from Day 1 through the Week 50 Visit for a total of 26 infusions. MTX 15 mg weekly on the same day each week, within 1 to 3 days prior to each pegloticase infusion and one additional weekly dose after the last infusion.
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Standard Gout Flare Prophylaxis
2018
Completed Phase 4
~20
Infusion Reaction (IR) Prophylaxis
2018
Completed Phase 4
~20
Methotrexate
FDA approved
Folic Acid
2008
Completed Phase 4
~7610
Pegloticase
FDA approved

Find a Location

Who is running the clinical trial?

AmgenLead Sponsor
1,431 Previous Clinical Trials
1,385,182 Total Patients Enrolled
6 Trials studying Gout
478 Patients Enrolled for Gout
Horizon Therapeutics Ireland DACLead Sponsor
20 Previous Clinical Trials
2,378 Total Patients Enrolled
6 Trials studying Gout
664 Patients Enrolled for Gout
MDStudy DirectorAmgen
970 Previous Clinical Trials
929,480 Total Patients Enrolled
5 Trials studying Gout
473 Patients Enrolled for Gout
~2 spots leftby Nov 2025