Evidence map›Paper›PMID 39792028›Full record

ArticleRheumatology (Oxford, England)2025

Treatment-emergent major adverse cardiovascular and thromboembolic events were infrequent during clinical trials of pegloticase.

Orrin M Troum, Mai Duong, Katie Obermeyer, Lissa Padnick-Silver, Brian LaMoreaux

3 registry-linked trialsAbstract read
In one paragraph

Article in Rheumatology (Oxford, England), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 3 registered trials, which are not on this map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT00325195 phase3completednot on this map

Randomized, Multicenter, Double-blind, Placebo-controlled Efficacy and Safety Study of 8 mg PEG-uricase in Two Dose Regimens in Hyperuricemic Subjects With Symptomatic Gout

TypeinterventionalSponsorSavient PharmaceuticalsRan2006 to 2007Enrolled225ConditionsGoutArmsplacebo, pegloticase
NCT03635957 phase4completednot on this map

A Multicenter, Efficacy and Safety Study of Methotrexate to Increase Response Rates in Patients With Uncontrolled Gout Receiving KRYSTEXXA® (Pegloticase) (MIRROR Open-Label [OL])

TypeinterventionalSponsorAmgenRan2018 to 2020Enrolled14ConditionsGoutArmsPegloticase, Methotrexate (MTX), Standard Gout Flare Prophylaxis, Infusion Reaction (IR) Prophylaxis, Folic Acid
NCT03994731 phase4completednot on this map

A Randomized, Double-Blind, Placebo-Controlled, Multicenter, Efficacy and Safety Study of Methotrexate to Increase Response Rates in Patients With Uncontrolled Gout Receiving KRYSTEXXA® (Pegloticase) (MIRROR Randomized Controlled Trial [RCT])

TypeinterventionalSponsorAmgenRan2019 to 2022Enrolled152ConditionsGoutArmsPegloticase, methotrexate, placebo, folic acid, gout flare prophylaxis regimen
3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Observational
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Orrin M TroumDivision of Rheumatology, University of Southern California Keck School of Medicine and Providence Saint John's Health Center, Santa Monica, CA, USA.ORCID 0009-0005-3956-0253
Mai DuongAmgen Inc., Thousand Oaks, CA, USA.
Katie ObermeyerAmgen Inc., Thousand Oaks, CA, USA.
Lissa Padnick-SilverAmgen Inc., Thousand Oaks, CA, USA.ORCID 0000-0002-4199-4844
Brian LaMoreauxAmgen Inc., Thousand Oaks, CA, USA.ORCID 0000-0001-7521-241X

Funding

AbbVieAmgen IncBristol Myers Squibb
6 · The paper itself

Abstract

objectivesLong-term maintenance of serum urate levels <6 mg/dl reduces gout flare frequency. However, urate-lowering therapy (ULT) initiation can induce gout flare. The incidence of thromboembolic (TE) and cardiovascular (CV) events has been shown to increase in the 30 and 120 days following gout flare, respectively; therefore, the question of ULT initiation increasing patient risk for CV/TE events has been raised. Here, we investigate CV/TE event incidence following pegloticase initiation in clinical trials.

methodsThis post hoc analysis of pooled data from four trials examined treatment-emergent gout flare and CV/TE events in patients with uncontrolled gout. Studies included two phase 3 trials (NCT00325195), the MIRROR open-label trial (NCT03635957), and the MIRROR randomized controlled trial (NCT03994731). Per protocol, pegloticase (8 mg) was administered every 2 (all trials) or 4 weeks (phase 3 trials); data from the first 24 weeks of therapy were included in this analysis. Some MIRROR patients received MTX (15 mg/week) as co-therapy. Based on prior studies, the high-risk window for CV/TE events was defined as 120 days following flare onset.

resultsOverall, 5/328 (1.5%) patients experienced ≥1 CV/TE event during pegloticase treatment, including 3/244 (1.2%) patients who received on-label (biweekly) dosing (35.4 events/1000 person-years). All events occurred within the 120-day gout flare exposure window.

conclusionsCV/TE event incidence during pegloticase treatment was similar to the general gout population (31.7 events/1000 person-years). These findings suggest that pegloticase initiation does not put patients at a higher risk for CV/TE events.

Indexed as

Cardiovascular DiseasesGoutGout SuppressantsPolyethylene GlycolsThromboembolismUrate OxidaseAdultAgedClinical Trials, Phase III as TopicFemaleHumansIncidenceMaleMiddle AgedRandomized Controlled Trials as TopicGout SuppressantsPegloticasePolyethylene GlycolsUrate Oxidasecardiovascular eventflaregoutpegloticasepooled analysisserum uratetophusurate-lowering therapyvenous thromboembolic event

Identifiers

PMID39792028
PMCPMC12107073

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.