Study on the Correlation and Consistency of Measuring Biologic Drug Plasma Concentrations Based on Different Detection Methods

February 23, 2025 updated by: Nanfang Hospital, Southern Medical University
In recent years, biologics (such as infliximab, adalimumab, vedolizumab, and ustekinumab) have shown great potential in the treatment of inflammatory bowel disease (IBD), transforming the traditional treatment model for IBD. Despite achieving good efficacy, some patients do not respond to biologics, which may be related to low drug concentrations in the blood. Guidelines recommend therapeutic drug monitoring (TDM) during the treatment of IBD. Currently, many commercial testing methods are available to detect the trough levels of biologics; however, data on the diagnostic accuracy and practicality of these methods remain limited. This study compares the detection of blood samples from IBD patients after administration using ELISA, PICA, and CLIA methods, aiming to provide more accurate guidance and evidence for TDM in Chinese IBD patients undergoing biologic therapy.

Study Overview

Status

Not yet recruiting

Study Type

Observational

Enrollment (Estimated)

60

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Guangdong
      • Guangzhou, Guangdong, China, 510515
        • Nanfang Hospital of Southern Medical University

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

N/A

Sampling Method

Non-Probability Sample

Study Population

Based on the treating physician's judgment, IBD patients require biologic therapy with infliximab (IFX), adalimumab (ADA), vedolizumab (VDZ), or ustekinumab (UST) .

Description

Inclusion Criteria:

  • Patients aged 18 years or older; diagnosed with inflammatory bowel disease according to the 2019 European ECCO-ESGAR guidelines; who have not previously received any biologic therapy or, based on the treating physician's judgment, require treatment with infliximab (IFX), adalimumab (ADA), vedolizumab (VDZ), or ustekinumab (UST) .

Exclusion Criteria:

  • Patients who refuse treatment with infliximab, adalimumab, vedolizumab, or ustekinumab for various reasons, or those with contraindications; patients currently using antibiotics or who have been in contact with probiotics/antibiotics in the past month; those with concomitant active autoimmune diseases, active tumors, etc.; those with severe oral diseases; patients experiencing other diseases unrelated to inflammatory bowel disease during treatment but may affect the efficacy of inflammatory bowel disease treatment; pregnant or lactating women; those deemed unsuitable for participation in this study by the investigator's judgment.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
infliximab group
IBD patients using infliximab
This study compares the detection of blood samples from IBD patients after biologic therapy(eg:IFX,ADA,UST,VDZ) using different methods
adalimumab group
IBD patients using adalimumab
This study compares the detection of blood samples from IBD patients after biologic therapy(eg:IFX,ADA,UST,VDZ) using different methods
vedolizumab group
IBD patients using vedolizumab
This study compares the detection of blood samples from IBD patients after biologic therapy(eg:IFX,ADA,UST,VDZ) using different methods
ustekinumab group
IBD patients using ustekinumab
This study compares the detection of blood samples from IBD patients after biologic therapy(eg:IFX,ADA,UST,VDZ) using different methods

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
plasma concentration
Time Frame: During hospitalization for biologic injections,an average of 1 week
plasma concentration refers to the total concentration of a biologic drug(such as infliximab, adalimumab, vedolizumab, and ustekinumab) in the plasma after absorption.
During hospitalization for biologic injections,an average of 1 week

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

March 2, 2025

Primary Completion (Estimated)

December 31, 2025

Study Completion (Estimated)

December 31, 2025

Study Registration Dates

First Submitted

November 22, 2024

First Submitted That Met QC Criteria

February 23, 2025

First Posted (Actual)

March 25, 2025

Study Record Updates

Last Update Posted (Actual)

March 25, 2025

Last Update Submitted That Met QC Criteria

February 23, 2025

Last Verified

February 1, 2025

More Information

Terms related to this study

Other Study ID Numbers

  • NFEC-2024-563

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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