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Gout FlareNCT05522504

Distribution of Immune Cells and Their Subtypes in Peripheral Blood of Gout

An observational study of Gout Flare and Intercritical Gout, run by Ai Peng at 1 site in China.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

The purpose of this study is to evaluate whether immune cells and their subtypes in peripheral blood affects the asymptomatic hyperuricemia, gout flare, intercritical gout and advanced gout. Read more about this study

Who is it for?
Ages 18 to 80 yearsHealthy volunteers can take part
Conditions the study is for
Gout Flare, Intercritical Gout, Advanced Gout
How many people
600 participants
Where
1 siteChina
Study dates
15 Sep 2022to Feb 2025
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 80 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Study population: Asymptomatic hyperuricemia Gout flare patients Gout remission patients were classified into intercritical gout group without tophi, chronic gouty arthritis, or imaging erosion, while others were classified into advanced gout group characterized by tophi, chronic gouty arthritis, or imaging erosion.(All of these gout remission patients underwent dual-energy CT test within one month, and were detected to have MSU crystal deposition in local joints) Healthy Volunteers

Who may be able to join

  • gout flare:diagnosis with gout flare at this hospital according to the criteria approved by the ACR Board of Directors and the EULAR Executive Committee in 2015
  • intercritical gout: remission of gout patients were classified into intercritical gout group without tophi, chronic gouty arthritis, or imaging erosion(All of these gout remission patients underwent dual-energy CT test within one month, and were detected to have MSU crystal deposition in local joints)
  • advanced gout: gout remission patients were classified into advanced gout group characterized by tophi, chronic gouty arthritis, or imaging erosion(All of these gout remission patients underwent dual-energy CT test within one month, and were detected to have MSU crystal deposition in local joints)
  • asymptomatic hyperuricemia: hyperuricemia in men was defined as SUA ≥ 420 mmol/L without any complications

Who cannot join

  • primary osteoarticular diseases
  • unwilling participation in the study
  • corticosteroids or indomethacin use in the past 3 months;
  • septic arthritis or another joint disease (such as rheumatoid arthritis);
  • impaired renal function (creatinine clearance <30 mL/min) and other conditions which may increase the level of blood uric acid

Trial locations and contacts

1 site in 1 country.

China1 site
  • Department of Nephrology & Rheumatology, Shanghai Tenth People's Hospital

    Shanghai, Shanghai Municipality, 200272

Other trials in China

About this study

The purpose of this study is to evaluate whether immune cells and their subtypes in peripheral blood affects the asymptomatic hyperuricemia, gout flare, intercritical gout and advanced gout.

Read the detailed description

A number of studies have reported that innate immunity cells (such as blood monocytes and neutrophils) play a crucial role in the initiation and amplification of gout flare resulted from MSU deposition in the joint or tissue, leading to release NLRP3 inflammasome-mediated production of bioactive IL-1β. Further investigation demonstrated the role of blood neutrophils might contribute to the resolution of gout flare by forming aggregated neutrophil extracellular traps. Recently, a few in vitro experiments have indicated that adaptive immunity may be involved in mechanisms of gout. However, a global understanding of blood immune responses underlying gout is still unclear. Thus, we want to investigate the relationship between immune cells and their subtypes in peripheral blood and the gout.

Keywords
PBMC monocyte Treg

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Study groups in NCT05522504
Study groupRoleWhat they receive
NChealthy volunteer (Normal control):(1) aged between 18 and 80 years; (2) The serum UA levels were lower than 420 μmol/L for a man and 360 μmol/L for a woman at least one time during the two clinical tests for the samples collected with 1-week interval; (3) without any clinically diagnostic severe diseases including but not limited to a tumor, diabetes, cardiovascular, renal, nervous, digestive and mental disorders
AHUAsymptomatic Hyperuricemia(AHU) were listed as follows: (1) aged between 18 and 80 years; (2) serum levels of UA were both greater than 420 μmol/L for a man and 360 μmol/L for a woman during the two clinical tests for the samples collected with about 1-week interval; (3) without self-reported history of the acute attack of gout; (4) without receiving medical treatment.
AGAAcute Gout Attack (AGA) were listed as follows: (1) age between 18 and 80 years; (2) diagnosis with AG at this hospital according to the criteria approved by the ACR Board of Directors and the EULAR Executive Committee in 2015; (3) and not receiving medical treatment 3 weeks prior to the blood collection.
IGThe intercritical gout (IG) remission criteria for gout patients were listed as follows: (1) age between 18 and 80 years; (2) diagnosis with AG at this hospital according to the criteria approved by the ACR Board of Directors and the EULAR Executive Committee in 2015; (3) remission of clinical manifestations including redness, swelling, heat, and pain at local joint or bursa for at least three months since the last gout flare; (4) normal level (<8.20 mg/L) of C-reactive protein (CRP) at the time of blood collection; (5) without tophi, imaging erosion, or chronic gouty arthritis
AGThe Advanced gout (AG) criteria for gout patients were listed as follows:(1) age between 18 and 80 years; (2) diagnosis with AG at this hospital according to the criteria approved by the ACR Board of Directors and the EULAR Executive Committee in 2015; (3) remission of clinical manifestations including redness, swelling, heat, and pain at local joint or bursa for at least three months since the last gout flare; (4) normal level (<8.20 mg/L) of C-reactive protein (CRP) at the time of blood collection; (5) with tophi, imaging erosion, or chronic gouty arthritis

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. remission of gout

    Patients fulfilling all the domains of the 2016 preliminary remission criteria for gout were defined as gout remission group

    Measured: 6 month

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted31 Aug 2022
  2. Study start15 Sep 2022
  3. Primary completion15 Feb 2023
  4. Study completionFeb 2025 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
600 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05522504
Sponsor's protocol ID
SHSY-IEC-4.1/21-246/01
Status last verified
May 2024
First submitted
29 Aug 2022
Last updated
8 May 2024
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

An observational study of Gout Flare and Intercritical Gout, run by Ai Peng at 1 site in China.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 8 May 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

remission of gout (time frame: 6 month). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 8 May 2024.

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