Drug-Induced Liver Injury (DILN)Network Retrospective (ILIAD)

  • STATUS
    Recruiting
  • End date
    Jun 14, 2023
  • participants needed
    400
  • sponsor
    Duke University
Updated on 14 May 2022

Summary

The purpose of this study is to establish retrospectively a nationwide registry of patients who have suffered drug-induced liver injury (DILI), and to collect, immortalize and store serum, DNA, and lymphocytes from these patients. ILIAD will serve as a resource for subsequent mechanistic investigations into the basis of severe idiosyncratic DILI. The primary goal of the ILIAD protocol is to create: (a) a clinical database consisting of individuals who have experienced severe DILI caused by four specific drugs, and the relevant clinical data concerning the episode of DILI; and, (b) to create a bank of biological specimens obtained from these individuals. These biological specimens will be DNA, plasma, and immortalized lymphocytes. Immortalized lymphocytes will provide unlimited amounts of genomic DNA for study as well as living immune cells for phenotyping studies. A secondary goal of the ILIAD protocol is to maintain a registry of cases in the ILIAD database so that they may be recontacted in the future. It is expected that this will facilitate additional studies exploring the mechanisms of DILI.

Description

Drug-induced liver injury (DILI) is the single most common reason for regulatory actions concerning drugs, including failure to gain approval for marketing, removal from the market place, and restriction of prescribing indications. DILI is also a significant cause of morbidity and mortality in many patient populations. To stimulate and facilitate research into DILI, the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) has recently established the Drug-Induced Liver Injury Network (DILIN). One of the initial projects to be conducted by the network is to retrospectively establish a nationwide registry of patients who have suffered severe idiosyncratic liver injury associated with any drugs (ILIAD) and HDS agents, and to collect, immortalize and store serum, DNA, and lymphocytes from these patients (hereafter referred to as the "ILIAD protocol"). This ILIAD protocol will serve as a resource for subsequent mechanistic investigations of the basis for susceptibility to severe idiosyncratic DILI.

The network will initially identify people who have developed DILI onset beyond 6 months of enrollment due to all drugs or HDS/CAM cases that did not meet the entrance criteria for the Prospective study.

The specific aims are as follows:

  1. Establish and maintain a clinical database of these people that contains relevant clinical data.
  2. Establish a bank of biological specimens (serum, DNA, and immortalized lymphocytes) prepared from cases and control in the clinical database.
  3. Maintain a registry including yearly updated contact information of the subjects enrolled in the clinical database so that it is possible to recontact these individuals at a later date to offer participation in studies which are not part of the current proposal.

Details
Condition Drug Induced Liver Injury
Clinical Study IdentifierNCT00360646
SponsorDuke University
Last Modified on14 May 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Screening Criteria
To be included in the ILIAD registry, the following criteria must be
satisfied
The treating gastroenterologist / hepatologist or health care professional must believe that the subject suffered drug-induced liver injury
The subject must be alive and the date of onset of the qualifying DILI episode must have occurred on or after January 1, 1994
Evidence of injury that is known or suspected to be related to consumption of a drug or HDS/CAM product
The subject is taking only one of these drugs or HDS agent(s) in the period leading up to the onset of the qualifying DILI episode
Have clinically important DILI defined in terms of serum aspartate aminotransferase (AST), alanine aminotransferase (ALT), and alkaline phosphatase (Alk Phos)
Sufficient documentation of the event for the Causality Committee to make a determination

Exclusion Criteria

Subjects will be excluded according to the following criteria
are not willing to have medical information and blood samples taken
are unable to adequately give informed consent to participate in the study including the blood draw for the genetic component
age < 2 years old at the time of study enrollment (due to blood volume requirements)
Have a competing cause of liver injury such as hepatic ischemia that the investigator felt to be the primary reason for the observed liver injury. Known, pre-existing autoimmune hepatitis; primary biliary cirrhosis, primary sclerosing cholangitis, or other chronic biliary tract disease. Subjects are excluded due to acetaminophen hepatoxicity or liver transplant or allogeneic bone marrow transplant prior to development of drug-CAM induced liver injury
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