A Study of Comparing Rates of Dementia and Alzheimer's Disease in Participants Initiating Methotrexate Versus Those Initiating Anti-tumor Necrosis Factor (TNF)-Alpha Therapy

NCT ID: NCT04571697

Last Updated: 2025-04-27

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

COMPLETED

Total Enrollment

34647 participants

Study Classification

OBSERVATIONAL

Study Start Date

2020-09-28

Study Completion Date

2020-10-27

Brief Summary

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The purpose of the study is to compare the risk of dementia in participants diagnosed with rheumatoid arthritis (RA) exposed to anti-tumor necrosis factor (TNF) therapy versus those exposed to methotrexate.

Detailed Description

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Conditions

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Dementia Alzheimer Disease

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Study Groups

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Participants Initiating Therapy with Methotrexate or Anti-TNF

Data will be collected for participants initiating therapy with either methotrexate or an anti-tumor necrosis factor (TNF) from united states (US) claims databases: optum de-identified clinformatics data mart database and IBM marketscan medicare supplemental database (MDCR). Data collection period: 01-Jan-2000 through 31-Jul2019.

Methotrexate

Intervention Type DRUG

No intervention or treatment will be administered as part of this study. Data of participants with first claim for a methotrexate in the patient's history are included.

Anti-TNF

Intervention Type DRUG

No intervention or treatment will be administered as part of this study. Data of participants with first claim for an anti-TNF in the patient's history are included. Anti-TNF includes infliximab, golimumab, etanercept, certolizumab, and adalimumab.

Interventions

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Methotrexate

No intervention or treatment will be administered as part of this study. Data of participants with first claim for a methotrexate in the patient's history are included.

Intervention Type DRUG

Anti-TNF

No intervention or treatment will be administered as part of this study. Data of participants with first claim for an anti-TNF in the patient's history are included. Anti-TNF includes infliximab, golimumab, etanercept, certolizumab, and adalimumab.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* At least one claim for methotrexate or anti-TNF therapy during the study period. First medication received is the index medication, and date of first receipt is the index date
* 365 days of continuous pre-index observation immediately prior to the index date
* Participants have at least two occurrences of a diagnosis of rheumatoid arthritis within 365 days before and including the index date
* No prior use of methotrexate or an anti- tumor necrosis factor (TNF) therapy at any time prior to the index date
* Cohort follow-up persists until end of continuous observation or filling the comparator drug
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Janssen Research & Development, LLC

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Janssen Research & Development, LLC Clinical Trial

Role: STUDY_DIRECTOR

Janssen Research & Development, LLC

Locations

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Janssen R&D

Titusville, New Jersey, United States

Site Status

Countries

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United States

Other Identifiers

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PCSNSP002938

Identifier Type: OTHER

Identifier Source: secondary_id

CR108890

Identifier Type: -

Identifier Source: org_study_id

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