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Palmoplantar PustulosisNCT04566471

Palmoplantar Pustulosis and Generalized Pustular Psoriasis: A National Population-based Analysis of Prevalence

An observational study of Palmoplantar Pustulosis and Generalized Pustular Psoriasis, run by Peking University Third Hospital.

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 The sponsor has not verified this record for over two years, so it may be out of date.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

This study plans to calculate the prevalence and incidence of palmoplantar pustulosis and generalized pustular psoriasis based on the national medical insurance data and analyze the composition characteristics and some clinical features of patients, through taking into account of the research status of palmoplantar… Read more about this study

Who is it for?
Any ageHealthy volunteers can take part
What is being tested?
prevalence/incidence
How many people
200 participants
Where
No sites listed yet
Study dates
1 Jan 2012to 31 Dec 2021
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 Any age
  • All sexes
  • Healthy volunteers accepted
  • Child, Adult, Older adult

Study population: This study used the Urban Employee Basic Medical Insurance (UEBMI) data from 2012 to 2016 to calculate the epidemiological characteristics of palmoplantar pustulosis and generalized pustular psoriasis. The database includes basic medical insurance data for urban workers and basic medical insurance data for urban residents, which covers 31 provinces, municipalities and autonomous regions. By the end of 2016, the number of people participating in the national basic medical insurance exceeded 1.3 billion, and the coverage rate of the insurance was stable at over 95%. The database is composed of an insurance coverage database and a reimbursement settlement database. The insurance coverage database involves demographic information, insurance information and payment information; and the reimbursement settlement database involves medical information, disease information and expense information.

Who may be able to join

  • The insured population of the national urban employee basic medical insurance and the urban resident basic medical insurance from January 1, 2012, to December 31, 2016 (60 months) (the denominator)
  • The patients have been diagnosed with palmoplantar pustulosis or generalized pustular psoriasis (including disease name, English abbreviation and ICD code)
  • Both outpatient and inpatient patients are included

Who cannot join

  • The individuals whose information is only contained in the reimbursement settlement database but not in the insurance coverage database will be considered as invalid reimbursement individuals and be excluded from the study (the denominator)
  • The patients have been diagnosed with non-PPP and -GPP diseases, such as pustular psoriasis in palm and toe, pustular arthritis osteitis and SAPHO syndrome

About this study

This study plans to calculate the prevalence and incidence of palmoplantar pustulosis and generalized pustular psoriasis based on the national medical insurance data and analyze the composition characteristics and some clinical features of patients, through taking into account of the research status of palmoplantar pustulosis and generalized pustular psoriasis and the characteristics of medical insurance data.

Being tested
prevalence/incidence
Keywords
Generalized pustular psoriasis, Palmoplantar pustulosis, Urban Employee Basic Medical Insurance (UEBMI) data, prevalence, incidence
Medical subject headings
Psoriasis

What participants receive

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

  • prevalence/incidenceOther

    It is an observational study for prevalence/incidence, no intervention provided.

Study groups in NCT04566471
Study groupRoleWhat they receive
PPP and GPPPalmoplantar pustulosis (PPP) and Generalized pustular psoriasis (GPP) are rare chronic inflammatory skin diseases, characterized by repeated episodes of sterile pustules in several months or years, associated with erythrokeratodermia generally. Both two diseases are easy to cause skin rupture, leading to bleeding and pain.
Receives: Other: prevalence/incidence

What is being measured

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

  1. prevalence of Palmoplantar pustulosis

    Epidemiological characteristics of diseases: Mainly referring to indicators that could reflect the frequency related to the disease

    Measured: From 2012 to 2016 in the Urban Employee Basic Medical Insurance (UEBMI) data of China

  2. prevalence of Generalized pustular psoriasis

    Epidemiological characteristics of diseases: Mainly referring to indicators that could reflect the frequency related to the disease

    Measured: From 2012 to 2016 in the Urban Employee Basic Medical Insurance (UEBMI) data of China

Secondary outcomes (4)
  1. incidence of Palmoplantar pustulosis

    Epidemiological characteristics of diseases: Mainly referring to indicators that could reflect the frequency related to the disease

    Measured: From 2012 to 2016 in the Urban Employee Basic Medical Insurance (UEBMI) data of China

  2. incidence of Generalized pustular psoriasis

    Epidemiological characteristics of diseases: Mainly referring to indicators that could reflect the frequency related to the disease

    Measured: From 2012 to 2016 in the Urban Employee Basic Medical Insurance (UEBMI) data of China

  3. Economic burden of Palmoplantar pustulosis

    Mainly referring to the consumption of medical resources, including medical expenses of patients.

    Measured: From 2012 to 2016 in the Urban Employee Basic Medical Insurance (UEBMI) data of China

  4. Economic burden of Generalized pustular psoriasis

    Mainly referring to the consumption of medical resources, including medical expenses of patients.

    Measured: From 2012 to 2016 in the Urban Employee Basic Medical Insurance (UEBMI) data of China

Timeline

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

  1. First posted28 Sep 2020
  2. Study start1 Jan 2012
  3. Primary completion1 Dec 2016
  4. Study completion31 Dec 2021 (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
Retrospective
Enrolment
200 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04566471
Sponsor's protocol ID
BI13680065
Status last verified
Jun 2020
First submitted
22 Sep 2020
Last updated
28 Sep 2020
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 Palmoplantar Pustulosis and Generalized Pustular Psoriasis, run by Peking University Third Hospital.

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 3 inclusion and 2 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 28 Sep 2020. Status can change between updates, so confirm with the study contact before making plans.

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?

prevalence of Palmoplantar pustulosis (time frame: From 2012 to 2016 in the Urban Employee Basic Medical Insurance (UEBMI) data of China). The study lists 2 primary outcomes in all. 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 28 Sep 2020.

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