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Completed

NCT Number: NCT02880306

Hepatocellular Carcinoma and Rheumatoid Arthritis

Rheumatoid arthritis(RA) is a disorder with altered immunologic function and increased risk of developing malignancies, while studies examining the association between hepatocellular carcinoma (HCC) and RA remain lacking. The investigators aimed to investigate the risk of HCC between participants with and without RA.

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Key information

Conditions

Carcinoma, Hepatocellular Adenocarcinoma Carcinoma Digestive System Diseases Digestive System Neoplasms Liver Diseases Liver Neoplasms Neoplasms Neoplasms by Histologic Type Neoplasms by Site Neoplasms, Glandular and Epithelial

Age range

18 year–99 year

Sex eligibility

All sexes

Study type

Observational

About this study

The investigators did a retrospective, observational, nested case-control study in a cohort that was previously recruited from a population-based RA survey. All participants were enrolled prospectively in Taiwan's national health insurance between Jan 1, 1999, and June 30, 2009, and had follow-up data until Dec 31, 2009. RA was diagnosed based on the 1987 American College of Rheumatology diagnostic criteria. The investigators matched RA and non-RA subjects by propensity score in a 1:1 ratio. The primary outcome was the risk of developing HCC. Cox proportional hazards regression was applied to estimate the hazard ratio (HR) and 95% confidence interval (CI) of HCC for RA and non-RA cohort.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • subjects were required to have ≥2 RA diagnosis (International Classification of Diseases, Ninth Revision [ICD-9-CM]-codes 714.0x), and to be ≥18 years of age on the date of first diagnosis. And inclusion in the Registry for Catastrophic Illness Patient Database (RCIPD)

Exclusion criteria

  • who were diagnosed with RA only once during the study interval, <18 years of age when first diagnosed with RA, first diagnosed with RA after July 1, 2009, or not registered in the RCIPD were excluded

Treatment and study plan

RA

Other

RA was diagnosed based on the 1987 American College of Rheumatology diagnostic criteria

Primary outcomes

  1. the risk of developing hepatocellular carcinoma

    Time frame: between Jan 1, 1999 and Dec 31, 2009

Sponsors and collaborators

Lead sponsor

Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation

Other

Registry information

Important dates

Study start
2014
Primary completion
2016
Study completion
2016
First posted
Aug 26, 2016
Registry last updated
Aug 26, 2016

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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