Management of Non-response and Loss of Response to Anti-tumor Necrosis Factor Therapy in Inflammatory Bowel Disease

Anti-tumor necrosis factor (anti-TNF) therapy has been successfully used as first-line biologic treatment for moderate-to-severe inflammatory bowel disease (IBD), in both “step-up” and “top-down” approaches, and has become a cornerstone of IBD management. However, in a proportion of patients the eff...

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Main Authors: Jan Marsal, Manuel Barreiro-de Acosta, Irina Blumenstein, Maria Cappello, Thomas Bazin, Shaji Sebastian
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-06-01
Series:Frontiers in Medicine
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fmed.2022.897936/full
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author Jan Marsal
Jan Marsal
Manuel Barreiro-de Acosta
Irina Blumenstein
Maria Cappello
Thomas Bazin
Shaji Sebastian
author_facet Jan Marsal
Jan Marsal
Manuel Barreiro-de Acosta
Irina Blumenstein
Maria Cappello
Thomas Bazin
Shaji Sebastian
author_sort Jan Marsal
collection DOAJ
description Anti-tumor necrosis factor (anti-TNF) therapy has been successfully used as first-line biologic treatment for moderate-to-severe inflammatory bowel disease (IBD), in both “step-up” and “top-down” approaches, and has become a cornerstone of IBD management. However, in a proportion of patients the effectiveness of anti-TNF therapy is sub-optimal. Either patients do not achieve adequate initial response (primary non-response) or they lose response after initial success (loss of response). Therapeutic drug monitoring determines drug serum concentrations and the presence of anti-drug antibodies (ADAbs) and can help guide treatment optimization to improve patient outcomes. For patients with low drug concentrations who are ADAb-negative or display low levels of ADAbs, dose escalation is recommended. Should response remain unchanged following dose optimization the question whether to switch within class (anti-TNF) or out of class (different mechanism of action) arises. If ADAb levels are high and the patient has previously benefited from anti-TNF therapy, then switching within class is a viable option as ADAbs are molecule specific. Addition of an immunomodulator may lead to a decrease in ADAbs and a regaining of response in a proportion of patients. If a patient does not achieve a robust therapeutic response with an initial anti-TNF despite adequate drug levels, then switching out of class is appropriate. In conjunction with the guidance above, other factors including patient preference, age, comorbidities, disease phenotype, extra-intestinal manifestations, and treatment costs need to be factored into the treatment decision. In this review we discuss current evidence in this field and provide guidance on therapeutic decision-making in clinical situations.
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spelling doaj.art-18c3d1619cc44446ab85ae39a2e8f0652022-12-22T02:31:59ZengFrontiers Media S.A.Frontiers in Medicine2296-858X2022-06-01910.3389/fmed.2022.897936897936Management of Non-response and Loss of Response to Anti-tumor Necrosis Factor Therapy in Inflammatory Bowel DiseaseJan Marsal0Jan Marsal1Manuel Barreiro-de Acosta2Irina Blumenstein3Maria Cappello4Thomas Bazin5Shaji Sebastian6Department of Gastroenterology, Skåne University Hospital, Lund/Malmö, SwedenDepartment of Immunology, Lund University, Lund, SwedenGastroenterology Department, Hospital Clínico Universitario de Santiago de Compostela, Santiago de Compostela, SpainDepartment of Internal Medicine 1, Gastroenterology, Hepatology and Clinical Nutrition, University Clinic Frankfurt, Frankfurt, GermanyGastroenterology and Hepatology Section, Promise, University of Palermo, Palermo, ItalyDepartment of Gastroenterology, Université Paris Saclay/UVSQ, INSERM, Infection and Inflammation, UMR 1173, AP-HP, Hôpital Ambroise Paré, Boulogne Billancourt, FranceInflammatory Bowel Disease (IBD) Unit, Hull University Teaching Hospitals National Health Service (NHS) Trust, Hull, United KingdomAnti-tumor necrosis factor (anti-TNF) therapy has been successfully used as first-line biologic treatment for moderate-to-severe inflammatory bowel disease (IBD), in both “step-up” and “top-down” approaches, and has become a cornerstone of IBD management. However, in a proportion of patients the effectiveness of anti-TNF therapy is sub-optimal. Either patients do not achieve adequate initial response (primary non-response) or they lose response after initial success (loss of response). Therapeutic drug monitoring determines drug serum concentrations and the presence of anti-drug antibodies (ADAbs) and can help guide treatment optimization to improve patient outcomes. For patients with low drug concentrations who are ADAb-negative or display low levels of ADAbs, dose escalation is recommended. Should response remain unchanged following dose optimization the question whether to switch within class (anti-TNF) or out of class (different mechanism of action) arises. If ADAb levels are high and the patient has previously benefited from anti-TNF therapy, then switching within class is a viable option as ADAbs are molecule specific. Addition of an immunomodulator may lead to a decrease in ADAbs and a regaining of response in a proportion of patients. If a patient does not achieve a robust therapeutic response with an initial anti-TNF despite adequate drug levels, then switching out of class is appropriate. In conjunction with the guidance above, other factors including patient preference, age, comorbidities, disease phenotype, extra-intestinal manifestations, and treatment costs need to be factored into the treatment decision. In this review we discuss current evidence in this field and provide guidance on therapeutic decision-making in clinical situations.https://www.frontiersin.org/articles/10.3389/fmed.2022.897936/fullanti-TNFloss of responseprimary non-responseswitch out of classswitch within classtherapeutic drug monitoring
spellingShingle Jan Marsal
Jan Marsal
Manuel Barreiro-de Acosta
Irina Blumenstein
Maria Cappello
Thomas Bazin
Shaji Sebastian
Management of Non-response and Loss of Response to Anti-tumor Necrosis Factor Therapy in Inflammatory Bowel Disease
Frontiers in Medicine
anti-TNF
loss of response
primary non-response
switch out of class
switch within class
therapeutic drug monitoring
title Management of Non-response and Loss of Response to Anti-tumor Necrosis Factor Therapy in Inflammatory Bowel Disease
title_full Management of Non-response and Loss of Response to Anti-tumor Necrosis Factor Therapy in Inflammatory Bowel Disease
title_fullStr Management of Non-response and Loss of Response to Anti-tumor Necrosis Factor Therapy in Inflammatory Bowel Disease
title_full_unstemmed Management of Non-response and Loss of Response to Anti-tumor Necrosis Factor Therapy in Inflammatory Bowel Disease
title_short Management of Non-response and Loss of Response to Anti-tumor Necrosis Factor Therapy in Inflammatory Bowel Disease
title_sort management of non response and loss of response to anti tumor necrosis factor therapy in inflammatory bowel disease
topic anti-TNF
loss of response
primary non-response
switch out of class
switch within class
therapeutic drug monitoring
url https://www.frontiersin.org/articles/10.3389/fmed.2022.897936/full
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