Development of a Autoimmune Hepatitis Patient's Database Linked to a Biological Sample Storage

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

10000 participants

Study Classification

OBSERVATIONAL

Study Start Date

2023-03-29

Study Completion Date

2034-03-29

Brief Summary

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Autoimmune Hepatitis (AIH) is chronic fibroinflammatory disease of the liver characterized by chronic, relapsing liver inflammation, and a risk for progression to liver failure and need for liver transplantation. No AIH-specific registry does exist in Italy, so that the actual epidemiology of the disease in the country is unknown.

This is an observational, retrospective and prospective, multicenter study evaluating incidence, prevalence and disease course of AIH in subjects \> 1 years old in Italy.

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Detailed Description

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Autoimmune Hepatitis (AIH) is a chronic fibroinflammatory disease of the liver characterized by chronic, relapsing inflammation, and a risk for progression to liver failure and development of hepatocellular cancer. Both children and adults are affected. A significant fraction of patients with AIH has a diminished life expectancy, despite treatment. Around 80% of patients respond to current therapies, but their quality of life and health is hugely impaired by side effects. The remaining proportion of patients (the difficult-to-treat category) do not respond to treatment and progress to liver cirrhosis and its complications; thus, timely identification of these individuals is a key aspect of epidemiological research in AIH.Taken together and combined with patients' debilitating quality of life issues, these data highlight the considerable disease burden and clinical impact of AIH on patients' outcomes.

Most epidemiological studies on AIH are retrospective case series based on tertiary referral series with relevant selection biases. Population-based studies, that include all cases in a defined geographical area, provide more accurate estimates of incidence, survival and mortality rate for the individual with AIH. Typically, multiple case-finding approaches have been used, including surveys, laboratory reports, liver histology databases, transplant registries, and death certificates. Only few population-based studies have been performed and limit the research population to a few dozen patients, reporting incidence rates ranging from 1.07 to 1.9 per 100,000 inhabitants. Reported point prevalence is 16.9 per 100,000.

To the investigators knowledge, there have been no epidemiologic studies in AIH carried out in Italy.

The investigators aim to develop a national registry on this rare disease to describe incidence and prevalence of AIH in Italy; identify and define distinct phenotypes and sub-phenotypes of AIH patients; identify factors influencing the progression of AIH and affecting mortality; assess safety and long-term efficacy of novel therapies.

This is a multicentre, nationwide, observational and prospective study based on the development of a patient's database linked to a biological sample storage. The enrollment period will cover 120 months to include the required number of patients. Based on litteraure, the estimated prevalence of AIH in Italy ranges from 6,000 to 15,000. Based on this, the investigators estimate to enroll approximately 10,000 patients. The minimum follow-up time will be 1 year.

Conditions

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Autoimmune Hepatitis Liver Disorder

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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AIH patients

AIH population in Italy aged at least 1 year

Clinical Information

Intervention Type OTHER

We will recruit AIH patients and collect important clinical information and laboratory investigation, together with biological samples.

Interventions

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Clinical Information

We will recruit AIH patients and collect important clinical information and laboratory investigation, together with biological samples.

Intervention Type OTHER

Other Intervention Names

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Laboratory information Biological samples

Eligibility Criteria

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Inclusion Criteria

* All AIH patients living in Italy and aged at least 1 year can be included in the database.
* Willing and able to give informed consent prior to any study specific procedure being
* Diagnosis of AIH according to the most recent published guidelines (EASL)