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Alsoud D, Moes DJAR, Wang Z, Soenen R, Layegh Z, Barclay M, Mizuno T, Minichmayr IK, Keizer RJ, Wicha SG, Wolbink G, Lambert J, Vermeire S, de Vries A, Papamichael K, Padullés-Zamora N, Dreesen E. Best Practice for Therapeutic Drug Monitoring of Infliximab: Position Statement from the International Association of Therapeutic Drug Monitoring and Clinical Toxicology. Ther Drug Monit 2024; 46:291-308. [PMID: 38648666 DOI: 10.1097/ftd.0000000000001204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Accepted: 02/21/2024] [Indexed: 04/25/2024]
Abstract
BACKGROUND Infliximab, an anti-tumor necrosis factor monoclonal antibody, has revolutionized the pharmacological management of immune-mediated inflammatory diseases (IMIDs). This position statement critically reviews and examines existing data on therapeutic drug monitoring (TDM) of infliximab in patients with IMIDs. It provides a practical guide on implementing TDM in current clinical practices and outlines priority areas for future research. METHODS The endorsing TDM of Biologics and Pharmacometrics Committees of the International Association of TDM and Clinical Toxicology collaborated to create this position statement. RESULTS Accumulating data support the evidence for TDM of infliximab in the treatment of inflammatory bowel diseases, with limited investigation in other IMIDs. A universal approach to TDM may not fully realize the benefits of improving therapeutic outcomes. Patients at risk for increased infliximab clearance, particularly with a proactive strategy, stand to gain the most from TDM. Personalized exposure targets based on therapeutic goals, patient phenotype, and infliximab administration route are recommended. Rapid assays and home sampling strategies offer flexibility for point-of-care TDM. Ongoing studies on model-informed precision dosing in inflammatory bowel disease will help assess the additional value of precision dosing software tools. Patient education and empowerment, and electronic health record-integrated TDM solutions will facilitate routine TDM implementation. Although optimization of therapeutic effectiveness is a primary focus, the cost-reducing potential of TDM also merits consideration. CONCLUSIONS Successful implementation of TDM for infliximab necessitates interdisciplinary collaboration among clinicians, hospital pharmacists, and (quantitative) clinical pharmacologists to ensure an efficient research trajectory.
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Affiliation(s)
- Dahham Alsoud
- Translational Research in Gastrointestinal Disorders, Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
| | - Dirk Jan A R Moes
- Department of Clinical Pharmacy and Toxicology, Leiden University Medical Center, Leiden, the Netherlands
| | - Zhigang Wang
- Clinical Pharmacology and Pharmacotherapy Unit, Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium
| | - Rani Soenen
- Dermatology Research Unit, Ghent University, Ghent, Belgium
- Department of Dermatology, Ghent University Hospital, Ghent, Belgium
| | - Zohra Layegh
- Department of Pathology, Amsterdam University Medical Center, Amsterdam, the Netherlands
| | - Murray Barclay
- Departments of Gastroenterology and Clinical Pharmacology, Christchurch Hospital, Te Whatu Ora Waitaha and University of Otago, Christchurch, New Zealand
| | - Tomoyuki Mizuno
- Division of Translational and Clinical Pharmacology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Iris K Minichmayr
- Department of Clinical Pharmacology, Medical University Vienna, Vienna, Austria
| | | | - Sebastian G Wicha
- Department of Clinical Pharmacy, Institute of Pharmacy, University of Hamburg, Hamburg, Germany
| | - Gertjan Wolbink
- Department of Rheumatology, Amsterdam Rheumatology and Immunology Center Location Reade, Amsterdam, Netherlands
- Sanquin Research and Landsteiner Laboratory, Department of Immunopathology, Amsterdam UMC, Amsterdam, Netherlands
| | - Jo Lambert
- Dermatology Research Unit, Ghent University, Ghent, Belgium
- Department of Dermatology, Ghent University Hospital, Ghent, Belgium
| | - Séverine Vermeire
- Translational Research in Gastrointestinal Disorders, Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
- Department of Gastroenterology and Hepatology, University Hospitals Leuven, Leuven, Belgium
| | - Annick de Vries
- Sanquin Diagnostic Services, Pharma & Biotech Services, Amsterdam, the Netherlands
| | - Konstantinos Papamichael
- Center for Inflammatory Bowel Diseases, Division of Gastroenterology, Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Núria Padullés-Zamora
- Department of Pharmacy, Bellvitge University Hospital, Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Spain; and
- School of Pharmacy, University of Barcelona, Barcelona, Spain
| | - Erwin Dreesen
- Clinical Pharmacology and Pharmacotherapy Unit, Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium
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Rodríguez-Moranta F, Argüelles-Arias F, Hinojosa Del Val J, Iborra Colomino M, Martín-Arranz MD, Menchén Viso L, Muñoz Núñez F, Ricart Gómez E, Sánchez-Hernández JG, Valdés-Delgado T, Guardiola Capón J, Barreiro-de Acosta M, Mañosa Ciria M, Zabana Abdo Y, Gutiérrez Casbas A. Therapeutic drug monitoring in inflammatory bowel diseases. Position statement of the Spanish Working Group on Crohn's Disease and Ulcerative Colitis. GASTROENTEROLOGIA Y HEPATOLOGIA 2024; 47:522-552. [PMID: 38311005 DOI: 10.1016/j.gastrohep.2024.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 12/31/2023] [Accepted: 01/18/2024] [Indexed: 02/06/2024]
Abstract
The treatment of inflammatory bowel disease has undergone a significant transformation following the introduction of biologic drugs. Thanks to these drugs, treatment goals have evolved from clinical response and remission to more ambitious objectives, such as endoscopic or radiologic remission. However, even though biologics are highly effective, a significant percentage of patients will not achieve an initial response or may lose it over time. We know that there is a direct relationship between the trough concentrations of the biologic and its therapeutic efficacy, with more demanding therapeutic goals requiring higher drug levels, and inadequate exposure being common. Therapeutic drug monitoring of biologic medications, along with pharmacokinetic models, provides us with the possibility of offering a personalized approach to treatment for patients with IBD. Over the past few years, relevant information has accumulated regarding its utility during or after induction, as well as in the maintenance of biologic treatment, in reactive or proactive strategies, and prior to withdrawal or treatment de-escalation. The aim of this document is to establish recommendations regarding the utility of therapeutic drug monitoring of biologics in patients with inflammatory bowel disease, in different clinical practice scenarios, and to identify areas where its utility is evident, promising, or controversial.
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Affiliation(s)
- Francisco Rodríguez-Moranta
- Servicio de Aparato Digestivo, Hospital Universitario de Bellvitge, IDIBELL, L'Hospitalet de Llobregat, Barcelona, España.
| | - Federico Argüelles-Arias
- Servicio de Aparato Digestivo, Hospital Universitario Virgen Macarena, Sevilla, España; Facultad de Medicina, Universidad de Sevilla, Sevilla, España
| | | | - Marisa Iborra Colomino
- Servicio de Aparato Digestivo, Hospital Universitario y Politécnico de La Fe, Valencia, España
| | - M Dolores Martín-Arranz
- Servicio de Aparato Digestivo, Hospital Universitario La Paz, Facultad de Medicina de la UAM, Fundación para la investigación del Hospital Universitario la Paz (IDIPAZ), Madrid, España
| | - Luis Menchén Viso
- Servicio de Aparato Digestivo, Hospital General Universitario Gregorio Marañón-IiSGM, Madrid, España; Departamento de Medicina, Facultad de Medicina, Universidad Complutense de Madrid, Madrid, España
| | - Fernando Muñoz Núñez
- Servicio de Aparato Digestivo, Hospital Universitario de Salamanca, Salamanca, España
| | - Elena Ricart Gómez
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), H. Clínic Barcelona, Barcelona, IDIBAPS, Barcelona, España
| | | | - Teresa Valdés-Delgado
- Servicio de Aparato Digestivo, Hospital Universitario Virgen Macarena, Sevilla, España
| | - Jordi Guardiola Capón
- Servicio de Gastroenterología, Hospital Universitario de Bellvitge, IDIBELL, L'Hospitalet de Llobregat, Barcelona, España
| | - Manuel Barreiro-de Acosta
- Servicio de Gastroenterología, Hospital Clínico Universitario de Santiago, A Coruña, España; Fundación Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), A Coruña, España
| | - Míriam Mañosa Ciria
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, España; Unidad de Enfermedad Inflamatoria Intestinal, Servicio de Gastroenterología, Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, España
| | - Yamile Zabana Abdo
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, España; Unidad de Enfermedad Inflamatoria Intestinal, Servicio de Gastroenterología, Hospital Mútua de Terrassa (HMT), Terrassa, Barcelona, España
| | - Ana Gutiérrez Casbas
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, España; Hospital General Universitario de Alicante, Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), Alicante, España
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Deyhim T, Cheifetz AS, Papamichael K. Drug Clearance in Patients with Inflammatory Bowel Disease Treated with Biologics. J Clin Med 2023; 12:7132. [PMID: 38002743 PMCID: PMC10672599 DOI: 10.3390/jcm12227132] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 11/04/2023] [Accepted: 11/15/2023] [Indexed: 11/26/2023] Open
Abstract
Biological therapy is very effective for treating patients with moderate to severe inflammatory bowel disease (IBD). However, up to 40% can have primary non-response, and up to 50% of the patients can experience a loss of response to anti-tumor necrosis factor therapy. These undesirable outcomes can be attributed to either a mechanistic failure or pharmacokinetic (PK) issues characterized by an inadequate drug exposure and a high drug clearance. There are several factors associated with accelerated clearance of biologics including increased body weight, low serum albumin and immunogenicity. Drug clearance has gained a lot of attention recently as cumulative data suggest that there is an association between drug clearance and therapeutic outcomes in patients with IBD. Moreover, clearance is used by model informed precision dosing (MIDP) tools, or PK dashboards, to adjust the dosing for reaching a target drug concentration threshold towards a more personalized application of TDM. However, the role of drug clearance in clinical practice is yet to be determined. This comprehensive review aims to present data regarding the variables affecting the clearance of specific biologics, the association of clearance with therapeutic outcomes and the role of clearance monitoring and MIPD in patients with IBD.
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Affiliation(s)
| | | | - Konstantinos Papamichael
- Center for Inflammatory Bowel Diseases, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA; (T.D.); (A.S.C.)
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Li X, Yu M, Zhao Q, Yu Y. Prospective therapeutics for intestinal and hepatic fibrosis. Bioeng Transl Med 2023; 8:e10579. [PMID: 38023697 PMCID: PMC10658571 DOI: 10.1002/btm2.10579] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/17/2023] [Accepted: 07/12/2023] [Indexed: 12/01/2023] Open
Abstract
Currently, there are no effective therapies for intestinal and hepatic fibrosis representing a considerable unmet need. Breakthroughs in pathogenesis have accelerated the development of anti-fibrotic therapeutics in recent years. Particularly, with the development of nanotechnology, the harsh environment of the gastrointestinal tract and inaccessible microenvironment of fibrotic lesions seem to be no longer considered a great barrier to the use of anti-fibrotic drugs. In this review, we comprehensively summarize recent preclinical and clinical studies on intestinal and hepatic fibrosis. It is found that the targets for preclinical studies on intestinal fibrosis is varied, which could be divided into molecular, cellular, and tissues level, although little clinical trials are ongoing. Liver fibrosis clinical trials have focused on improving metabolic disorders, preventing the activation and proliferation of hepatic stellate cells, promoting the degradation of collagen, and reducing inflammation and cell death. At the preclinical stage, the therapeutic strategies have focused on drug targets and delivery systems. At last, promising remedies to the current challenges are based on multi-modal synergistic and targeted delivery therapies through mesenchymal stem cells, nanotechnology, and gut-liver axis providing useful insights into anti-fibrotic strategies for clinical use.
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Affiliation(s)
- Xin Li
- Department of Clinical Pharmacy, The First Affiliated HospitalZhejiang University School of MedicineHangzhouChina
- Zhejiang Provincial Key Laboratory for Drug Evaluation and Clinical Research, The First Affiliated HospitalZhejiang University School of MedicineHangzhouChina
- Institute of Pharmaceutics, College of Pharmaceutical SciencesZhejiang UniversityHangzhouChina
| | - Mengli Yu
- Department of Gastroenterology, The Fourth Affiliated HospitalZhejiang University School of MedicineYiwuChina
| | - Qingwei Zhao
- Department of Clinical Pharmacy, The First Affiliated HospitalZhejiang University School of MedicineHangzhouChina
- Zhejiang Provincial Key Laboratory for Drug Evaluation and Clinical Research, The First Affiliated HospitalZhejiang University School of MedicineHangzhouChina
| | - Yang Yu
- College of Pharmaceutical SciencesSouthwest UniversityChongqingChina
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Solitano V, Facciorusso A, McGovern DPB, Nguyen T, Colman RJ, Zou L, Boland BS, Syversen SW, Jørgensen KK, Ma C, Armuzzi A, Wilson A, Jairath V, Singh S. HLA-DQA1∗05 Genotype and Immunogenicity to Tumor Necrosis Factor-α Antagonists: A Systematic Review and Meta-analysis. Clin Gastroenterol Hepatol 2023; 21:3019-3029.e5. [PMID: 37061107 DOI: 10.1016/j.cgh.2023.03.044] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Revised: 03/14/2023] [Accepted: 03/31/2023] [Indexed: 04/17/2023]
Abstract
BACKGROUND & AIMS Identifying patients at high risk of immunogenicity is important when selecting tumor necrosis factor (TNF)-α antagonists in patients with immune-mediated inflammatory diseases (IMIDs). We evaluated the association HLA-DQA1∗05 genotype and risk of immunogenicity with TNF-α antagonists. METHODS Through a systematic review through July 14, 2022, we identified studies in patients with IMIDs treated with TNF-α antagonists, which reported the risk of immunogenicity and/or secondary loss of response in patients with HLA-DQA1∗05 variants. Primary outcome was risk of immunogenicity. We performed random effects meta-analysis and used GRADE to appraise certainty of evidence. RESULTS On meta-analysis of 13 studies (3756 patients; median follow-up, 12 months; 41% with variants), HLA-DQA1∗05 variants were associated with 75% higher risk of immunogenicity compared with non-carriers (relative risk, 1.75; 95% confidence interval, 1.37-2.25) with considerable heterogeneity (I2 = 62%) (low certainty evidence). Positive and negative predictive values of HLA-DQA1∗05 variants for predicting immunogenicity were 30% and 80%, respectively. Proactive therapeutic drug monitoring, but not concomitant use of IMMs, IMIDs, and TNF-α antagonist-type, modified this association. Patients with HLA-DQA1∗05 variants experienced 2.2-fold higher risk of secondary loss of response (6 cohorts; relative risk, 2.24; 95% confidence interval, 1.67-3.00; I2 = 0%) (moderate certainty evidence). CONCLUSION Variants in HLA-DQA1∗05 are associated with an increased risk in immunogenicity and secondary loss of response in patients with IMIDs treated with TNF-α antagonists. However, the positive and negative predictive value is moderate, and decisions on concomitant use of IMMs to prevent immunogenicity should be individualized based on all factors that influence drug clearance.
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Affiliation(s)
- Virginia Solitano
- Division of Gastroenterology, Department of Medicine, Western University, London, Ontario, Canada; Department of Biomedical Sciences, Humanitas University, Milan, Italy
| | | | - Dermot P B McGovern
- F. Widjaja Inflammatory Bowel Research Institute, Cedars-Sinai Medical System, Los Angeles, California
| | - Tran Nguyen
- Division of Gastroenterology, Department of Medicine, Western University, London, Ontario, Canada
| | - Ruben J Colman
- Division of Paediatric Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, Stanford University School of Medicine, Stanford, California
| | - Lily Zou
- Department of Statistics and Actuarial Sciences, University of Waterloo, Waterloo, Ontario, Canada
| | - Brigid S Boland
- Department of Statistics and Actuarial Sciences, University of Waterloo, Waterloo, Ontario, Canada
| | - Silje W Syversen
- Center for Treatment of Rheumatic and Musculoskeletal Diseases (REMEDY), Diakonhjemmet Hospital, Oslo, Norway
| | | | - Christopher Ma
- Division of Gastroenterology and Hepatology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
| | - Alessandro Armuzzi
- Department of Biomedical Sciences, Humanitas University, Milan, Italy; IBD Center, IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy
| | - Aze Wilson
- Division of Gastroenterology, Department of Medicine, Western University, London, Ontario, Canada; Division of Clinical Pharmacology, Department of Medicine, Western University, London, Ontario, Canada; Department of Physiology and Pharmacology, Western University, London, Ontario, Canada
| | - Vipul Jairath
- Division of Gastroenterology, Department of Medicine, Western University, London, Ontario, Canada; Department of Epidemiology and Biostatistics, Western University, London, Ontario, Canada
| | - Siddharth Singh
- Division of Gastroenterology, Department of Medicine, University of California San Diego, La Jolla, California; Division of Biomedical Informatics, Department of Medicine, University of California San Diego, La Jolla, California.
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Fuentes-Valenzuela E, García-Alonso FJ, Maroto-Martín C, Juan Casamayor L, Garrote JA, Almendros Muñoz R, De Prado Á, Vara Castrodeza A, Marinero MÁ, Calleja Carbajosa R, Barrio J. Influence of HLADQA1*05 Genotype in Adults With Inflammatory Bowel Disease and Anti-TNF Treatment With Proactive Therapeutic Drug Monitoring: A Retrospective Cohort Study. Inflamm Bowel Dis 2023; 29:1586-1593. [PMID: 36617284 DOI: 10.1093/ibd/izac259] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Indexed: 01/09/2023]
Abstract
BACKGROUND Carriers of the human leucocyte antigen variant HLADQA1*05 (rs2097432) are at risk of developing antibodies against infliximab and adalimumab with reduced tumor necrosis factor (TNF) antagonist persistence. The impact of proactive therapeutic drug monitoring (PTDM) on this association has been barely assessed. METHODS We conducted a retrospective single-center cohort study including patients with inflammatory bowel disease starting anti-TNF therapy between January 2017 and March 2021. Proactive therapeutic drug monitoring was defined as periodic drug level measurement (≥2 determinations during the first year of treatment and ≥1/annual determination during the following years), regardless of clinical condition, followed by dose optimization. Variables associated with treatment persistence were assessed with multivariable Cox regression analysis. RESULTS A total of 112 patients were included, 52 (46.4%) HLA-DQA1*05 carriers, with a median follow-up of 73.9 (interquartile range, 35.4-133.1) weeks. Combination therapy with thiopurines was more frequent among HLA-DQA1*05 noncarriers (28 [46.7%] vs 12 [23.1%]; P = .01). Clinical remission rates at week 14 (77.9% vs 73.9%; P = .69) and 56 (73.2% vs 68.4%; P = .64) were similar between HLA-DQA1*05 noncarriers and carriers. Drug persistence was higher among HLA-DQA1*05 carriers (hazard ratio [HR], 0.32; 95% confidence interval, 0.14-0.71; P = .01). Multivariable Cox regression analysis identified systemic steroids at anti-TNF initiation (HR, 4; 95% confidence interval, 1.7-9.7) as a risk factor and HLA-DQA1*05 carriers (HR, 0.31; 95% confidence interval, 0.12-0.81) as a protective factor of treatment cessation. CONCLUSION In adult patients with PTDM, a positive HLA-DQA1*05 genotype does not associate a higher risk of treatment cessation nor worse clinical outcomes.
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Affiliation(s)
- Esteban Fuentes-Valenzuela
- Gastroenterology Department, Hospital Universitario Rio Hortega, Valladolid, St. Dulzaina, 2, 47012 Valladolid, Spain
| | | | - Carlos Maroto-Martín
- Gastroenterology Department, Hospital Universitario Rio Hortega, Valladolid, St. Dulzaina, 2, 47012 Valladolid, Spain
| | - Laura Juan Casamayor
- Gastroenterology Department, Hospital Universitario Rio Hortega, Valladolid, St. Dulzaina, 2, 47012 Valladolid, Spain
| | - José Antonio Garrote
- Department of Laboratory Medicine, Hospital Universitario Rio Hortega, Valladolid, St. Dulzaina, 2, 47012 Valladolid, Spain
| | - Rosendo Almendros Muñoz
- Department of Pharmacy, Hospital Universitario Rio Hortega, Valladolid, St. Dulzaina, 2, 47012 Valladolid, Spain
| | - Ángel De Prado
- Gastroenterology Department, Hospital Universitario Rio Hortega, Valladolid, St. Dulzaina, 2, 47012 Valladolid, Spain
| | - Alejando Vara Castrodeza
- Radiology Department. Hospital Universitario Rio Hortega, Valladolid, St. Dulzaina, 2, 47012 Valladolid, Spain
| | - María Ángeles Marinero
- Gastroenterology Department, Hospital Universitario Rio Hortega, Valladolid, St. Dulzaina, 2, 47012 Valladolid, Spain
| | - Raquel Calleja Carbajosa
- Gastroenterology Department, Hospital Universitario Rio Hortega, Valladolid, St. Dulzaina, 2, 47012 Valladolid, Spain
| | - Jesús Barrio
- Gastroenterology Department, Hospital Universitario Rio Hortega, Valladolid, St. Dulzaina, 2, 47012 Valladolid, Spain
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Dubinsky MC, Rabizadeh S, Panetta JC, Spencer EA, Everts-van der Wind A, Dervieux T. The Combination of Predictive Factors of Pharmacokinetic Origin Associates with Enhanced Disease Control during Treatment of Pediatric Crohn's Disease with Infliximab. Pharmaceutics 2023; 15:2408. [PMID: 37896168 PMCID: PMC10610097 DOI: 10.3390/pharmaceutics15102408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 09/26/2023] [Accepted: 09/28/2023] [Indexed: 10/29/2023] Open
Abstract
Infliximab (IFX) concentrations are a predictive factor (PF) of pharmacokinetic (PK) origin in the treatment of Crohn's disease (CD). We evaluated Clearance, another PF of PK origin, either alone or in combination with concentrations. They were evaluated from two cohorts, the first designed to receive standard dosing (n = 37), and the second designed to proactively target therapeutic IFX concentrations (n = 108). Concentrations were measured using homogeneous mobility shift assay. Clearance was estimated using the nonlinear mixed effects methods with Bayesian priors. C-reactive protein-based clinical remission (<3 mg/L in the absence of symptoms) was used for the disease control outcome measure. Longitudinal changes in disease control due to factors including time, IFX concentration, and Clearance were analyzed using repeated event analysis. Change in objective function value (∆OFV) was calculated to compare concentration and Clearance. The results indicated that lower baseline Clearance and proactive dosing associated with enhanced disease control during induction (p < 0.01). Higher IFX concentrations and lower Clearance measured at the second, third, and fourth infusion yielded improved disease control during maintenance (p < 0.032). During maintenance, the association with disease control was better with Clearance than with concentrations (∆OFV = -19.2; p < 0.001), and the combination of both further minimized OFV (p < 0.001) with markedly improved clinical yield in the presence of both PF of PK origin. We conclude that the combination of IFX concentration and Clearance are better predictors of therapeutic outcome compared with either one alone.
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Affiliation(s)
| | | | - John C. Panetta
- St. Jude Children’s Research Hospital, Memphis, TN 38105, USA;
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Garcia KS, de Azevedo MFC, Carlos ADS, Barros LL, Oba J, Sobrado Junior CW, Sipahi AM, Alves ODDC, Navarro-Rodriguez T, Parra RS, Chebli JMF, Chebli LA, Flores C, Vieira A, do Ceará CDA, Queiroz NSF, Damião AOMC. Efficacy of Early Optimization of Infliximab Guided by Therapeutic Drug Monitoring during Induction-A Prospective Trial. Biomedicines 2023; 11:1757. [PMID: 37371853 DOI: 10.3390/biomedicines11061757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 06/09/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
Therapeutic drug monitoring (TDM) during induction therapy with anti-tumor necrosis factor drugs has emerged as a strategy to optimize response to these biologics and avoid undesired outcomes related to inadequate drug exposure. This study aimed to describe clinical, biological, and endoscopic remission rates at six months in Brazilian inflammatory bowel disease (IBD) patients following a proactive TDM algorithm guided by IFX trough levels (ITL) and antibodies to IFX (ATI) levels during induction, at week six. A total of 111 IBD patients were prospectively enrolled, excluding those previously exposed to the drug. ITL ≥ 10 μg/mL was considered optimal. Patients with suboptimal ITL (<10 µg/mL) were guided according to ATI levels. Those who presented ATI ≤ 200 ng/mL underwent dose intensification in the maintenance phase, and patients with ATI > 200 ng/mL discontinued IFX. In our study, proactive TDM was associated with persistence in the IFX rate at six months of 82.9%. At that time, rates of clinical, biological, and endoscopic remission in patients under IFX treatment were 80.2%, 73.9%, and 48.1%, respectively. Applying a simplified TDM-guided algorithm during induction seems feasible and can help improve patients' outcomes in clinical practice.
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Affiliation(s)
- Karoline Soares Garcia
- Department of Gastroenterology, University of São Paulo, School of Medicine, São Paulo 05403-000, Brazil
| | | | - Alexandre de Sousa Carlos
- Department of Gastroenterology, University of São Paulo, School of Medicine, São Paulo 05403-000, Brazil
| | - Luísa Leite Barros
- Department of Gastroenterology, University of São Paulo, School of Medicine, São Paulo 05403-000, Brazil
| | - Jane Oba
- Department of Gastroenterology, University of São Paulo, School of Medicine, São Paulo 05403-000, Brazil
| | | | - Aytan Miranda Sipahi
- Department of Gastroenterology, University of São Paulo, School of Medicine, São Paulo 05403-000, Brazil
| | | | - Tomás Navarro-Rodriguez
- Department of Gastroenterology, University of São Paulo, School of Medicine, São Paulo 05403-000, Brazil
| | - Rogério Serafim Parra
- Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, Brazil
| | | | - Liliana Andrade Chebli
- University Hospital of the Federal University of Juiz de Fora, Juiz de Fora 36038-330, Brazil
| | - Cristina Flores
- Crohn's and Colitis Reference Center, Rio Grande do Sul 90560-002, Brazil
| | - Andrea Vieira
- Irmandade da Santa Casa de Misericórdia de São Paulo, São Paulo 01221-010, Brazil
| | | | - Natália Sousa Freitas Queiroz
- Health Sciences Graduate Program, Pontifícia Universidade Católica do Paraná (PUCPR), Curitiba 80215-901, Brazil
- IBD Center, Santa Cruz Hospital, Curitiba 80420-090, Brazil
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9
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Gordon BL, Battat R. Therapeutic Drug Monitoring of Infliximab in Acute Severe Ulcerative Colitis. J Clin Med 2023; 12:jcm12103378. [PMID: 37240484 DOI: 10.3390/jcm12103378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 05/01/2023] [Accepted: 05/05/2023] [Indexed: 05/28/2023] Open
Abstract
Therapeutic drug monitoring (TDM) is a useful strategy in ulcerative colitis (UC). Nearly a quarter of UC patients will experience acute severe UC (ASUC) in their lifetime, including 30% who will fail first-line corticosteroid therapy. Steroid-refractory ASUC patients require salvage therapy with infliximab, cyclosporine, or colectomy. Fewer data are available for the use of TDM of infliximab in ASUC. The pharmacokinetics of ASUC make TDM in this population more complex. High inflammatory burden is associated with increased infliximab clearance, which is associated with lower infliximab drug concentrations. Observational data support the association between increased serum infliximab concentrations, lower clearance, and favorable clinical and endoscopic outcomes, as well as decreased rates of colectomy. Data regarding the benefit of accelerated or intensified dosing strategies of infliximab-as well as target drug concentration thresholds-in ASUC patients remain more equivocal, though limited by their observational nature. Studies are underway to further evaluate optimal dosing and TDM targets in this population. This review examines the evidence for TDM in patients with ASUC, with a focus on infliximab.
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Affiliation(s)
- Benjamin L Gordon
- Division of Gastroenterology and Hepatology, New York-Presbyterian/Weill Cornell Medical Center, New York, NY 10065, USA
| | - Robert Battat
- Center for Clinical and Translational Research in Inflammatory Bowel Diseases, Centre Hospitalier de l'Université de Montréal, Montreal, QC H2X 0A9, Canada
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Orfanoudaki E, Foteinogiannopoulou K, Theodoraki E, Koutroubakis IE. Recent Advances in the Optimization of Anti-TNF Treatment in Patients with Inflammatory Bowel Disease. J Clin Med 2023; 12:jcm12072452. [PMID: 37048536 PMCID: PMC10095227 DOI: 10.3390/jcm12072452] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Revised: 03/11/2023] [Accepted: 03/16/2023] [Indexed: 04/14/2023] Open
Abstract
Despite the evolution in inflammatory bowel disease (IBD) management during the last 20 years owing to the advent of new advanced therapies, anti-TNF agents still remain the cornerstone of therapy for both Crohn's disease and ulcerative colitis. However, this does not only secure favorable outcomes for patients considering the progressive disease character and the high likelihood of primary or secondary loss of response. Therefore, trying to reach a better treatment approach and maximize the benefits anti-TNF agents offer, optimization strategies should be examined. It has been indicated that optimizing treatment with anti-TNF enhances drug efficacy and has been associated with improved disease outcomes and a complication-free disease course. From this perspective, we aim to provide an overview of currently available data and recent advances in the practices of anti-TNF treatment optimization. Special focus has been given to the role of therapeutic drug monitoring (TDM), as well as the utility of combining anti-TNF with an immunomodulator and the treat-to-target approach.
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Affiliation(s)
- Eleni Orfanoudaki
- Department of Gastroenterology, University Hospital of Heraklion, Medical School, University of Crete, 71003 Heraklion, Greece
| | - Kalliopi Foteinogiannopoulou
- Department of Gastroenterology, University Hospital of Heraklion, Medical School, University of Crete, 71003 Heraklion, Greece
| | - Eirini Theodoraki
- Department of Gastroenterology, University Hospital of Heraklion, Medical School, University of Crete, 71003 Heraklion, Greece
| | - Ioannis E Koutroubakis
- Department of Gastroenterology, University Hospital of Heraklion, Medical School, University of Crete, 71003 Heraklion, Greece
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11
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Cheah E, Huang JG. Precision medicine in inflammatory bowel disease: Individualizing the use of biologics and small molecule therapies. World J Gastroenterol 2023; 29:1539-1550. [PMID: 36970587 PMCID: PMC10037250 DOI: 10.3748/wjg.v29.i10.1539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 01/17/2023] [Accepted: 02/22/2023] [Indexed: 03/14/2023] Open
Abstract
The advent of biologics and small molecules in inflammatory bowel disease (IBD) has marked a significant turning point in the prognosis of IBD, decreasing the rates of corticosteroid dependence, hospitalizations and improving overall quality of life. The introduction of biosimilars has also increased affordability and enhanced access to these otherwise costly targeted therapies. Biologics do not yet represent a complete panacea: A subset of patients do not respond to first-line anti-tumor necrosis factor (TNF)-alpha agents or may subsequently demonstrate a secondary loss of response. Patients who fail to respond to anti-TNF agents typically have a poorer response rate to second-line biologics. It is uncertain which patient would benefit from a different sequencing of biologics or even a combination of biologic agents. The introduction of newer classes of biologics and small molecules may provide alternative therapeutic targets for patients with refractory disease. This review examines the therapeutic ceiling in current treatment strategies of IBD and the potential paradigm shifts in the future.
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Affiliation(s)
- Eric Cheah
- Department of Gastroenterology and Clinical Nutrition, The Royal Children's Hospital Melbourne, Parkville, VIC 3052, Australia
| | - James Guoxian Huang
- Department of Paediatrics, Khoo Teck Puat-National University Children's Medical Institute, National University Health System, Singapore 119228, Singapore
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228, Singapore
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12
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Cheah E, Huang JG. Precision medicine in inflammatory bowel disease: Individualizing the use of biologics and small molecule therapies. World J Gastroenterol 2023; 29:1395-1406. [DOI: 10.3748/wjg.v29.i10.1395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/10/2023] Open
Abstract
The advent of biologics and small molecules in inflammatory bowel disease (IBD) has marked a significant turning point in the prognosis of IBD, decreasing the rates of corticosteroid dependence, hospitalizations and improving overall quality of life. The introduction of biosimilars has also increased affordability and enhanced access to these otherwise costly targeted therapies. Biologics do not yet represent a complete panacea: A subset of patients do not respond to first-line anti-tumor necrosis factor (TNF)-alpha agents or may subsequently demonstrate a secondary loss of response. Patients who fail to respond to anti-TNF agents typically have a poorer response rate to second-line biologics. It is uncertain which patient would benefit from a different sequencing of biologics or even a combination of biologic agents. The introduction of newer classes of biologics and small molecules may provide alternative therapeutic targets for patients with refractory disease. This review examines the therapeutic ceiling in current treatment strategies of IBD and the potential paradigm shifts in the future.
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Affiliation(s)
- Eric Cheah
- Department of Gastroenterology and Clinical Nutrition, The Royal Children's Hospital Melbourne, Parkville, VIC 3052, Australia
| | - James Guoxian Huang
- Department of Paediatrics, Khoo Teck Puat-National University Children's Medical Institute, National University Health System, Singapore 119228, Singapore,Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228, Singapore
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13
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Choi B, Sey M, Ponich T, Beaton M, Kim R, Wilson A. Decreased Infliximab Concentrations in Patients With Inflammatory Bowel Disease Who Carry a Variable Number Tandem Repeat Polymorphism in the Neonatal Fc Receptor or Variant HLADQA1*05G>A Genotype. Inflamm Bowel Dis 2023; 29:437-443. [PMID: 36112504 DOI: 10.1093/ibd/izac188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Indexed: 12/09/2022]
Abstract
BACKGROUND Multiple variables contribute to variation in patient exposure and response to tumor necrosis factor alpha antagonist biologics such as infliximab. This study aimed to assess the association between maintenance-phase infliximab concentrations and genetic variation in HLADQA1*05G>A and fragment crystallisable (Fc) fragment of IgG receptor and transporter (FCGRT) among patients with inflammatory bowel disease. METHODS A cross-sectional study was carried out in participants with inflammatory bowel disease prescribed infliximab who were in the maintenance phase of treatment. Participants were genotyped for the presence of the FCGRT variable number tandem repeat (VNTR) and HLADQA1*05G>A (rs74291249). A point estimate of the infliximab trough concentration during the maintenance phase was determined using a standard enzyme-linked immunosorbent assay for each patient. Other variables associated with infliximab pharmacokinetics were collected. RESULTS A total of 156 participants with inflammatory bowel disease were included from 2 tertiary care centers affiliated with Western University, London, Canada. Median infliximab trough concentrations were lower in participants who carried the FCGRT VNTR 2/3 or 2/2 (4.14 µg/mL; interquartile range [IQR], 6.48 µg/mL) vs wild type individuals (7.00 µg/mL; IQR, 7.66; P = .0027). Median infliximab trough concentrations were significantly lower in participants who were HLADQA1*05G>A variant carriers (4.73µg/mL; IQR, 4.79) vs wild type individuals (7.85µg/mL; IQR, 7.44; P = .0006). A significant decrease in infliximab trough concentrations was seen in individuals who were dual carriers of variant polymorphisms in HLADQA1*05G>A and FCGRT VNTR (no variants, 8.96µg/mL; IQR, 6.84 vs one variant, 4.96 µg/mL; IQR, 4.95 vs dual variants, 0.86µg/mL; IQR, 5.82). CONCLUSION FCGRT VNTR and HLADQA1*05G>A are associated with lower maintenance-phase infliximab concentrations, particularly among patients who carry both variants.
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Affiliation(s)
- Bethany Choi
- Department of Physiology & Pharmacology, Western University, Medical Sciences Building, Rm 216, London, ON, N6A 5C1, Canada
| | - Michael Sey
- Division of Gastroenterology, Department of Medicine, Western University, 339 Windermere Rd, London, ON, N6A 5A5, Canada
| | - Terry Ponich
- Division of Gastroenterology, Department of Medicine, Western University, 339 Windermere Rd, London, ON, N6A 5A5, Canada
| | - Melanie Beaton
- Division of Gastroenterology, Department of Medicine, Western University, 339 Windermere Rd, London, ON, N6A 5A5, Canada
| | - Richard Kim
- Department of Physiology & Pharmacology, Western University, Medical Sciences Building, Rm 216, London, ON, N6A 5C1, Canada.,Division of Clinical Pharmacology, Department of Medicine, Western University, 339 Windermere Rd, London, ON, N6A 5A5, Canada
| | - Aze Wilson
- Department of Physiology & Pharmacology, Western University, Medical Sciences Building, Rm 216, London, ON, N6A 5C1, Canada.,Division of Gastroenterology, Department of Medicine, Western University, 339 Windermere Rd, London, ON, N6A 5A5, Canada.,Division of Clinical Pharmacology, Department of Medicine, Western University, 339 Windermere Rd, London, ON, N6A 5A5, Canada
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14
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Vieujean S, Louis E. Precision medicine and drug optimization in adult inflammatory bowel disease patients. Therap Adv Gastroenterol 2023; 16:17562848231173331. [PMID: 37197397 PMCID: PMC10184262 DOI: 10.1177/17562848231173331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 04/16/2023] [Indexed: 05/19/2023] Open
Abstract
Inflammatory bowel diseases (IBD) encompass two main entities including ulcerative colitis and Crohn's disease. Although having a common global pathophysiological mechanism, IBD patients are characterized by a significant interindividual heterogeneity and may differ by their disease type, disease locations, disease behaviours, disease manifestations, disease course as well as treatment needs. Indeed, although the therapeutic armamentarium for these diseases has expanded rapidly in recent years, a proportion of patients remains with a suboptimal response to medical treatment due to primary non-response, secondary loss of response or intolerance to currently available drugs. Identifying, prior to treatment initiation, which patients are likely to respond to a specific drug would improve the disease management, avoid unnecessary side effects and reduce the healthcare expenses. Precision medicine classifies individuals into subpopulations according to clinical and molecular characteristics with the objective to tailor preventative and therapeutic interventions to the characteristics of each patient. Interventions would thus be performed only on those who will benefit, sparing side effects and expense for those who will not. This review aims to summarize clinical factors, biomarkers (genetic, transcriptomic, proteomic, metabolic, radiomic or from the microbiota) and tools that could predict disease progression to guide towards a step-up or top-down strategy. Predictive factors of response or non-response to treatment will then be reviewed, followed by a discussion about the optimal dose of drug required for patients. The time at which these treatments should be administered (or rather can be stopped in case of a deep remission or in the aftermath of a surgery) will also be addressed. IBD remain biologically complex, with multifactorial etiopathology, clinical heterogeneity as well as temporal and therapeutic variabilities, which makes precision medicine especially challenging in this area. Although applied for many years in oncology, it remains an unmet medical need in IBD.
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Affiliation(s)
- Sophie Vieujean
- Hepato-Gastroenterology and Digestive Oncology, University Hospital CHU of Liège, Liège, Belgium
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15
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Higher serum infliximab concentrations during induction predict short-term endoscopic response in patients with inflammatory bowel disease. Eur J Gastroenterol Hepatol 2022; 34:1125-1131. [PMID: 36170681 DOI: 10.1097/meg.0000000000002431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
OBJECTIVE Measuring of serum infliximab (IFX) induction concentrations might reduce primary non-response rates in inflammatory bowel diseases (IBD), but optimal target concentrations are unclear. We investigated whether IFX induction concentrations predict short-term endoscopic response at week 12 or treatment persistence at week 52. METHODS Sixty-nine IBD patients (Crohn's disease, n=24; ulcerative colitis, n=45) received standard IFX induction of 5 mg/kg bodyweight at weeks 0, 2, and 6. Responders continued maintenance therapy and underwent follow-up until week 52 or treatment discontinuation. We measured IFX concentrations at weeks 2, 6, and 12, and evaluated treatment response around week 12 with endoscopy or with clinical scores and fecal calprotectin. Using the receiver operating characteristic analysis, we determined optimal IFX concentration thresholds associated with treatment response. We further compared IFX induction concentrations between patients persisting on IFX at week 52 and patients discontinuing treatment due to insufficient response. RESULTS Responders (74%, 51 out of 69 patients) had significantly higher median IFX concentrations than non-responders at weeks 6 (25.06 vs. 19.68 µg/ml; P = 0.04) and 12 (18.03 vs. 10.02 µg/ml; P = 0.03), but not at week 2 (33.12 vs. 34.20 µg/ml; P = 0.97). Optimal IFX concentration thresholds for induction response were 21.33 and 5.13 µg/ml at weeks 6 and 12, respectively. Fifty-three patients continued IFX maintenance therapy until week 52. Induction concentrations failed to predict persistence on IFX therapy at week 52. CONCLUSION Higher IFX induction concentrations predict endoscopic short-term response. However, induction concentrations failed to predict long-term persistence on IFX treatment.
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16
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Ulcerative Colitis and Acute Severe Ulcerative Colitis Patients Are Overlooked in Infliximab Population Pharmacokinetic Models: Results from a Comprehensive Review. Pharmaceutics 2022; 14:pharmaceutics14102095. [PMID: 36297530 PMCID: PMC9610912 DOI: 10.3390/pharmaceutics14102095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 09/07/2022] [Accepted: 09/15/2022] [Indexed: 11/18/2022] Open
Abstract
Ulcerative colitis (UC) is part of the inflammatory bowels diseases, and moderate to severe UC patients can be treated with anti-tumour necrosis α monoclonal antibodies, including infliximab (IFX). Even though treatment of UC patients by IFX has been in place for over a decade, many gaps in modelling of IFX PK in this population remain. This is even more true for acute severe UC (ASUC) patients for which early prediction of IFX pharmacokinetic (PK) could highly improve treatment outcome. Thus, this review aims to compile and analyse published population PK models of IFX in UC and ASUC patients, and to assess the current knowledge on disease activity impact on IFX PK. For this, a semi-systematic literature search was conducted, from which 26 publications including a population PK model analysis of UC patients receiving IFX therapy were selected. Amongst those, only four developed a model specifically for UC patients, and only three populations included severe UC patients. Investigations of disease activity impact on PK were reported in only 4 of the 14 models selected. In addition, the lack of reported model codes and assessment of predictive performance make the use of published models in a clinical setting challenging. Thus, more comprehensive investigation of PK in UC and ASUC is needed as well as more adequate reports on developed models and their evaluation in order to apply them in a clinical setting.
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17
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Zhang T, Zhang B, Tian W, Wang F, Zhang J, Ma X, Wei Y, Tang X. Research trends in ulcerative colitis: A bibliometric and visualized study from 2011 to 2021. Front Pharmacol 2022; 13:951004. [PMID: 36199683 PMCID: PMC9529236 DOI: 10.3389/fphar.2022.951004] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 08/19/2022] [Indexed: 12/07/2022] Open
Abstract
Background: Ulcerative colitis (UC) is an idiopathic inflammatory bowel disease with repeated relapses and remissions. Despite decades of effort, numerous aspects, including the initiating event and pathogenesis of UC, still remain ambiguous, which requires ongoing investigation. Given the mass of publications on UC, there are multidimensional challenges to evaluating the scientific impact of relevant work and identifying the current foci of the multifaceted disease. Accordingly, herein, we aim to assess the global growth of UC research production, analyze patterns of research areas, and evaluate trends in this area. Methods: The Web of Science Core Collection of Clarivate Analytics was searched for articles related to UC published from 2011 to 2021. Microsoft Office Excel 2019 was used to visualize the number of publications over time. Knowledge maps were generated using CiteSpace and VOSviewer to analyze collaborations among countries, institutions, and authors and to present the journey of UC research as well as to reveal the current foci of UC research. Results: A total of 5,088 publications were evaluated in the present study. China had the most publications (1,099, 22.5%). Univ Calif San Diego was the most productive institution (126, 2.48%). William J Sandborn published the greatest number of articles (100, 1.97%). Toshifumi Hibi was the most influential author in the field with a betweenness centrality of 0.53. Inflammatory bowel diseases was identified as the most prolific journal (379, 7.45%). Gastroenterology was the most co-cited journal (3,730, 4.02%). “Vedolizumab,” “tofacitinib,” “Faecalibacterium prausnitzii,” “fecal microbiota transplantation (FMT),” “toll-like receptor 4,” and “nucleotide-binding oligomerization domain-like receptor protein 3 inflammasome” were considered the hot topics. Conclusion: In UC research, manuscripts that had high impacts on the scientific community provided an evidence base. UC therapy has entered the era of personalized and precision therapy. As research on FMT, anti-integrin antibodies, Janus kinase inhibitors, and anti-tumor necrosis factor drugs continues to grow, their use in the clinical setting may also expand.
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Affiliation(s)
- Tai Zhang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Traditional Chinese Medical Sciences, Beijing, China
| | - Beihua Zhang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Traditional Chinese Medical Sciences, Beijing, China
| | - Wende Tian
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Fengyun Wang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Traditional Chinese Medical Sciences, Beijing, China
| | - Jiaqi Zhang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Traditional Chinese Medical Sciences, Beijing, China
| | - Xiangxue Ma
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Traditional Chinese Medical Sciences, Beijing, China
| | - Yuchen Wei
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Traditional Chinese Medical Sciences, Beijing, China
| | - Xudong Tang
- China Academy of Chinese Medical Sciences, Beijing, China
- *Correspondence: Xudong Tang,
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18
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Martins CDA, Garcia KS, Queiroz NSF. Multi-utility of therapeutic drug monitoring in inflammatory bowel diseases. Front Med (Lausanne) 2022; 9:864888. [PMID: 35966848 PMCID: PMC9366431 DOI: 10.3389/fmed.2022.864888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 07/04/2022] [Indexed: 11/14/2022] Open
Abstract
Inflammatory bowel disease (IBD) treatment targets have progressed over time from clinical response to clinical and endoscopic remission. Several data have shown a positive correlation between serum biologic drug concentrations and favorable therapeutic outcomes. Therapeutic drug monitoring (TDM) has evolved as an important approach for optimizing the use of immunobiologics, especially antitumor necrosis factor therapy, in patients with IBD. The use of TDM is supported by medical societies and IBD experts in different contexts; however, challenges remain due to knowledge gaps that limit the widespread use of it. The aim of this review is to assess the role of TDM in IBD, focusing on the implementation of this strategy in different scenarios and demonstrating the multi-utility aspects of this approach in clinical practice.
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Affiliation(s)
| | - Karoline Soares Garcia
- Department of Gastroenterology, University of São Paulo School of Medicine, São Paulo, Brazil
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19
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Truta B. Therapeutic drug monitoring in inflammatory bowel disease: At the right time in the right place. World J Gastroenterol 2022; 28:1380-1383. [PMID: 35645545 PMCID: PMC9099186 DOI: 10.3748/wjg.v28.i13.1380] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 01/17/2022] [Accepted: 02/27/2022] [Indexed: 02/06/2023] Open
Abstract
Therapeutic drug monitoring (TDM) was one of most sought-after objective tools to determine therapeutic efficiency of different biologics and its role in the management of patients with inflammatory bowel disease (IBD) was regarded with great anticipation. But implementation of the TDM in clinical practice was challenged by several factors including uncertainty of the optimal cut-off values, assay variable sensitivity in detecting drug levels and antibodies and, most importantly, individual pharmacokinetics. While reactive TDM was embraced in clinical practice as a useful tool in assessing lack of response to therapy, the utility of proactive TDM in managing IBD therapy is still challenged by the lack of consistency between evidence. Described here, there are four groups of IBD patients for whom proactive TDM has the potential to greatly impact their therapeutic outcomes: Patients with perianal Crohn’s disease, patients with severe ulcerative colitis, pregnant women with IBD and children. As the future of IBD management moves towards personalizing treatment, TDM will be an important decision node in a machine learning based algorithm predicting the best strategy to maximize treatment results while minimizing the loss of response to therapy.
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Affiliation(s)
- Brindusa Truta
- Internal Medicine, Johns Hopkins University, Baltimore, MD 21210, United States
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20
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Rakowsky S, Cheifetz AS, Papamichael K. Editorial: is there a role for monitoring intermediate anti-TNF drug concentrations in IBD? Aliment Pharmacol Ther 2022; 55:1049-1050. [PMID: 35362141 DOI: 10.1111/apt.16889] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 03/03/2022] [Indexed: 12/19/2022]
Abstract
LINKED CONTENTThis article is linked to Roblin et al papers. To view these articles, visit https://doi.org/10.1111/apt.16852 and https://doi.org/10.1111/apt.16893
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Affiliation(s)
- Shana Rakowsky
- Center for Inflammatory Bowel Diseases, Division of Gastroenterology, Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Adam S Cheifetz
- Center for Inflammatory Bowel Diseases, Division of Gastroenterology, Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Konstantinos Papamichael
- Center for Inflammatory Bowel Diseases, Division of Gastroenterology, Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
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21
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Bossuyt P, Pouillon L, Claeys S, D'Haens S, Hoefkens E, Strubbe B, Marichal D, Peeters H. Ultra-proactive Therapeutic Drug Monitoring of Infliximab Based on Point of Care Testing in Inflammatory Bowel Disease: Results of a Pragmatic Trial. J Crohns Colitis 2022; 16:199-206. [PMID: 34297099 DOI: 10.1093/ecco-jcc/jjab127] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND With point of care testing [POCT] for infliximab [IFX], ultraproactive therapeutic drug monitoring [TDM] with ad-hoc dose optimisation is possible in patients with inflammatory bowel disease [IBD]. AIM To compare the clinical outcomes of an ultraproactive TDM algorithm of IFX based on POCT with reactive TDM in patients with IBD, in a pragmatic clinical trial. METHODS All patients with IBD and maintenance IFX treatment were included between June and August 2018 in two centres. Centre A applied an ultra-proactive TDM algorithm incorporating POCT, and centre B applied reactive TDM. Primary endpoint was failure of IFX therapy after 1 year. Secondary endpoints included sustained clinical remission and mucosal remission. RESULTS In total 187 patients [n = 115/72 cohort A/B] were included. Cohort A had more trough level [TL] measurements compared with cohort B [8.8 vs 1/patient/year; p <0.0001], leading to a significant higher number of dose optimisations. POCT testing was required in 27% after the first round of ultra-proactive TDM and in a mean of 6.3% (standard deviation [SD] 1.9) in the subsequent rounds. Ad-hoc extra dosing was needed in 13% of the POCT. After 1 year, no difference was seen between cohort A and cohort B in IFX failure [19% vs 10%; p = 0.08], nor in sustained clinical remission [75% vs 83%; p = 0.17]. Mucosal remission was evaluated in 71 patients [38%], and was more frequent in the reactive TDM cohort [p = 0.02]. CONCLUSIONS Ultra-proactive TDM in patients with IBD and maintenance IFX treatment leads to equal clinical outcomes as reactive TDM after 1 year of follow-up.
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Affiliation(s)
- Peter Bossuyt
- Imelda GI Clinical Research Centre, Department of Gastroenterology, Imelda General Hospital, Bonheiden, Belgium
| | - Lieven Pouillon
- Imelda GI Clinical Research Centre, Department of Gastroenterology, Imelda General Hospital, Bonheiden, Belgium
| | | | - Soetkin D'Haens
- Imelda GI Clinical Research Centre, Department of Gastroenterology, Imelda General Hospital, Bonheiden, Belgium
| | - Eveline Hoefkens
- Imelda GI Clinical Research Centre, Department of Gastroenterology, Imelda General Hospital, Bonheiden, Belgium
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Papamichael K, Afif W, Drobne D, Dubinsky MC, Ferrante M, Irving PM, Kamperidis N, Kobayashi T, Kotze PG, Lambert J, Noor NM, Roblin X, Roda G, Vande Casteele N, Yarur AJ, Arebi N, Danese S, Paul S, Sandborn WJ, Vermeire S, Cheifetz AS, Peyrin-Biroulet L. Therapeutic drug monitoring of biologics in inflammatory bowel disease: unmet needs and future perspectives. Lancet Gastroenterol Hepatol 2022; 7:171-185. [PMID: 35026171 PMCID: PMC10187071 DOI: 10.1016/s2468-1253(21)00223-5] [Citation(s) in RCA: 63] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 06/14/2021] [Accepted: 06/15/2021] [Indexed: 01/05/2023]
Abstract
Therapeutic drug monitoring (TDM) has emerged as a useful tool for optimising the use of biologics, and in particular anti-tumour necrosis factor (anti-TNF) therapy, in inflammatory bowel disease (IBD). However, challenges remain and are hindering the widespread implementation of TDM in clinical practice. These barriers include identification of the optimal drug concentration to target, the lag time between sampling and results, and the proper interpretation of anti-drug antibody titres among different assays. Solutions to overcome these barriers include the harmonisation of TDM assays and the use of point-of-care testing. Other unmet needs include well designed prospective studies and randomised controlled trials focusing on proactive TDM, particularly during induction therapy. Future studies should also investigate the utility of TDM for biologics other than anti-TNF therapies in both IBD and other immune-mediated inflammatory diseases such as rheumatoid arthritis and psoriasis, and the use of pharmacokinetic modelling dashboards and pharmacogenetics towards individual personalised medicine.
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Affiliation(s)
- Konstantinos Papamichael
- Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
| | - Waqqas Afif
- Department of Medicine, Division of Gastroenterology, McGill University Health Center, Montreal, QC, Canada
| | - David Drobne
- Department of Gastroenterology, University Medical Centre Ljubljana, Ljubljana, Slovenia; Medical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Marla C Dubinsky
- Department of Pediatrics, Susan and Leonard Feinstein IBD Clinical Center, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Marc Ferrante
- KU Leuven, Department of Gastroenterology and Hepatology, University Hospitals Leuven, Leuven, Belgium
| | - Peter M Irving
- Gastroenterology, Guy's and St Thomas' Hospital, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | | | - Taku Kobayashi
- Center for Advanced IBD Research and Treatment, Kitasato University Kitasato Institute Hospital, Tokyo, Japan
| | - Paulo G Kotze
- Catholic University of Paraná (PUCPR), Curitiba, Brazil
| | - Jo Lambert
- Department of Head and Skin, Ghent University Hospital, Ghent, Belgium
| | - Nurulamin M Noor
- Department of Gastroenterology, Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Xavier Roblin
- Department of Gastroenterology, University Hospital of Saint Etienne, Saint Etienne, France
| | - Giulia Roda
- IBD Center, Humanitas Clinical and Research Center-IRCCS, Milan, Italy; Department of Biomedical Sciences, Humanitas University, Milan, Italy
| | | | | | - Naila Arebi
- Department of IBD, St Mark's Hospital, Imperial College London, London, UK
| | - Silvio Danese
- IBD Center, Humanitas Clinical and Research Center-IRCCS, Milan, Italy; Department of Biomedical Sciences, Humanitas University, Milan, Italy
| | - Stephane Paul
- Department of Gastroenterology, University Hospital of Saint Etienne, Saint Etienne, France
| | - William J Sandborn
- Department of Medicine, University of California San Diego, La Jolla, CA, USA
| | - Séverine Vermeire
- KU Leuven, Department of Gastroenterology and Hepatology, University Hospitals Leuven, Leuven, Belgium
| | - Adam S Cheifetz
- Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Laurent Peyrin-Biroulet
- Department of Gastroenterology, Nancy University Hospital, Nancy, France; INSERM U1256 NGERE, Lorraine University, Nancy, France
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Kantasiripitak W, Wang Z, Spriet I, Ferrante M, Dreesen E. Recent advancements in clearance monitoring of monoclonal antibodies in patients with inflammatory bowel diseases. Expert Rev Clin Pharmacol 2022; 14:1455-1466. [PMID: 35034509 DOI: 10.1080/17512433.2021.2028619] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Less than 50% of patients with inflammatory bowel diseases (IBD) receiving monoclonal antibody (mAb) therapy achieve endoscopic remission. Poor outcomes may indicate a need for dose optimization. During therapeutic drug monitoring (TDM), drug concentrations are measured, and when found too low, dosage regimen escalations are performed. To date, benefits of TDM of mAbs in patients with IBD are uncertain. AREAS COVERED This review presents an overview of what clearance monitoring is, how it can be performed, and why and when it may be valuable in treating patients with IBD. Virtual patients were used for illustration. A literature search was performed to summarize current evidence for clearance monitoring in IBD and other disease settings. EXPERT OPINION During clearance monitoring, mAb clearance is calculated and monitored over time. Higher mAb clearance in patients with IBD has been associated with higher target load (target-mediated drug disposition), protein-losing enteropathy (fecal drug loss), and immunogenicity. Although not prospectively confirmed, clearance monitoring might facilitate identification of (yet) asymptomatic disease flares or presence of (yet) undetectable anti-drug antibodies. Furthermore, clearance monitoring may be used to predict treatment outcomes. Whether dosage regimen adjustments can modify the clearance time course and the treatment outcome is to be determined.
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Affiliation(s)
- Wannee Kantasiripitak
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium
| | - Zhigang Wang
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium
| | - Isabel Spriet
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium.,Department of Pharmacy, University Hospitals Leuven, Leuven, Belgium
| | - Marc Ferrante
- Department of Gastroenterology and Hepatology, University Hospitals Leuven, Leuven, Belgium.,Department of Chronic Diseases and Metabolism, University of Leuven, Leuven, Belgium
| | - Erwin Dreesen
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium
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24
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Papamichael K, Cheifetz AS. Optimizing therapeutic drug monitoring in inflammatory bowel disease: a focus on therapeutic monoclonal antibodies. Expert Opin Drug Metab Toxicol 2022; 17:1423-1431. [DOI: 10.1080/17425255.2021.2027367] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Konstantinos Papamichael
- Center for Inflammatory Bowel Diseases, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Adam S. Cheifetz
- Center for Inflammatory Bowel Diseases, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
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25
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Trotta MC, Alfano R, Cuomo G, Romano C, Gravina AG, Romano M, Galdiero M, Montemurro MV, Giordano A, D'Amico M. Comparison of Timing to Develop Anti-Drug Antibodies to Infliximab and Adalimumab Between Adult and Pediatric Age Groups, Males and Females. J Pediatr Pharmacol Ther 2022; 27:63-71. [PMID: 35002561 DOI: 10.5863/1551-6776-27.1.63] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 06/05/2021] [Indexed: 01/15/2023]
Abstract
OBJECTIVE To compare the timing of serum anti-drug antibodies in adult and pediatric age groups, males and females, treated for inflammatory bowel disease or arthritis with adalimumab or infliximab by retrospectively combining data collected during a 2-year therapeutic drug monitoring period. METHODS Four hundred thirty sera were divided in groups collected at 0, 3, 6, 12, and 24 months (T0, T3, T6, T12, and T24) after initiation of therapy and assayed for drug and relative anti-drug antibodies levels. At each time point, the percentage of sera presenting anti-drug antibodies, as well as the drug concentrations, were calculated and correlated with patient age and sex. RESULTS Anti-drug antibodies were present in 31.5% of sera and were significantly higher in the pediatric age group than in the adult age group, through all time points. The percentages of sera showing anti-drug antibodies were significantly different as early as 3 months and were sera from pediatric female group. The percentages of sera showing anti-drug antibodies reached the highest value at 6 months in the pediatric age group and at 12 months in the adult age group. CONCLUSIONS Sera from pediatric had an earlier presence of anti-drug antibodies than adults. In particular, pediatric females sera showed the fastest anti-drug antibodies development.
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Affiliation(s)
- Maria Consiglia Trotta
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli" (MCT, MG) Naples, Italy
| | - Roberto Alfano
- Department of Advanced Medical and Surgical Sciences "DAMSS", University of Campania "Luigi Vanvitelli" (RA, CR), Naples, Italy
| | - Giovanna Cuomo
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli" (GC, MR, AGG), Naples, Italy
| | - Ciro Romano
- Department of Advanced Medical and Surgical Sciences "DAMSS", University of Campania "Luigi Vanvitelli" (RA, CR), Naples, Italy
| | - Antonietta Gerarda Gravina
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli" (GC, MR, AGG), Naples, Italy
| | - Marco Romano
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli" (GC, MR, AGG), Naples, Italy
| | - Marilena Galdiero
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli" (MCT, MG) Naples, Italy
| | | | - Antonio Giordano
- General Directorate, University Polyclinic "Luigi Vanvitelli" (AG), Naples, Italy
| | - Michele D'Amico
- Therapeutic Monitoring Unit for Biological Drugs, University "Luigi Vanvitelli" (MDA), Naples, Italy
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26
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Levels of Biosimilar Infliximab during and after Induction Treatment in Crohn's Disease and Ulcerative Colitis-A Prospective Polish Population Study. J Clin Med 2021; 10:jcm10225311. [PMID: 34830598 PMCID: PMC8619897 DOI: 10.3390/jcm10225311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 11/09/2021] [Accepted: 11/11/2021] [Indexed: 11/29/2022] Open
Abstract
Background: Primary lack or secondary loss of response to therapy with infliximab is a significant problem. This study aimed to evaluate the response to treatment in patients with Crohn’s disease (CD) and ulcerative colitis (UC) achieving therapeutic and sub-therapeutic trough levels of biosimilar infliximab (CT-P13). Results: A total of 65 patients (32 with CD and 33 with UC) were recruited. The overall response rate in both CD and UC patients exceeded 80%. There were no significant differences in treatment response and CT-P13 levels for patients with CD or UC. We did not find significant differences in the percentage of patients achieving drug levels of 3 μg/mL at week 6, 10, or 12; a significant decrease was observed at week 14. Up to 55.5% of patients with CD and 64.3% of patients with UC with sub-therapeutic CT-P13 levels at week 14 primarily responded to treatment. Conclusions: Intermediate measurements of drug levels at weeks 10 and 12 did not capture any pronounced decrease in infliximab concentrations below therapeutic levels in either group, thus suggesting no clinical usefulness. A significant percentage of patients primarily responded to treatment despite sub-therapeutic drug levels after the induction phase.
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27
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Wu JF. Therapeutic Drug Monitoring of Biologics for Patients with Inflammatory Bowel Diseases: How, When, and for Whom? Gut Liver 2021; 16:515-524. [PMID: 34670875 PMCID: PMC9289828 DOI: 10.5009/gnl210262] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 07/08/2021] [Accepted: 08/03/2021] [Indexed: 11/09/2022] Open
Abstract
During the past decade, we have entered an era of biologics for the treatment of Crohn’s disease and ulcerative colitis. The therapeutic goal of inflammatory bowel disease (IBD) management has evolved from symptom control and clinical remission to mucosal healing or even deep remission. Histological remission for ulcerative colitis and transmural healing of Crohn’s disease are potential future goals. With the adoption of the treat-to-target concept, and given the need for tight control of IBD activity, therapeutic drug monitoring (TDM) is an important element of precision medicine. TDM involves the measurement of serum biologics and anti-drug antibodies levels, to confirm whether the right drug with the right dosage was prescribed to reach the right serum levels. TDM may help clinicians adjust biologics based on objective biomarkers instead of using empirical dosage escalation or making symptom-based therapeutic adjustments. Well-established reactive TDM algorithms have been proposed, and emerging evidence supports the clinical application of a proactive TDM strategy to enhance the duration of effective biologics and improve clinical outcomes. Recently, the proactive TDM strategy was shown to avoid the secondary loss of response to biologics, and improve long-term clinical outcomes in IBD patients. This review summarizes data from trials, and practice guidelines, on the clinical application of proactive and reactive TDM strategies for the daily care of biologic-treated IBD patients.
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Affiliation(s)
- Jia-Feng Wu
- Department of Pediatrics, National Taiwan University Hospital, Taipei, Taiwan.,Taiwan Society of Inflammatory Bowel Disease, Taipei, Taiwan
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28
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Faelens R, Wang Z, Bouillon T, Declerck P, Ferrante M, Vermeire S, Dreesen E. Model-Informed Precision Dosing during Infliximab Induction Therapy Reduces Variability in Exposure and Endoscopic Improvement between Patients with Ulcerative Colitis. Pharmaceutics 2021; 13:pharmaceutics13101623. [PMID: 34683916 PMCID: PMC8537637 DOI: 10.3390/pharmaceutics13101623] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/24/2021] [Accepted: 09/27/2021] [Indexed: 12/24/2022] Open
Abstract
Model-informed precision dosing (MIPD) may be a solution to therapeutic failure of infliximab for patients with ulcerative colitis (UC), as underexposure could be avoided, and the probability of endoscopic improvement (pEI; Mayo endoscopic subscore ≤ 1) could be optimized. To investigate in silico whether this claim has merit, four induction dosing regimens were simulated: 5 mg/kg (label dosing), 10 mg/kg, covariate-based MIPD (fat-free mass, corticosteroid use, and presence of extensive colitis at baseline), and concentration-based MIPD (based on the trough concentration at day 14). Covariate- and concentration-based MIPD were chosen to target the same median area under the infliximab concentration-time curve up to endoscopy at day 84 (AUCd84), as was predicted from 10 mg/kg dosing. Dosing at 5 mg/kg resulted in a mean ± standard deviation pEI of 55.7 ± 9.0%. Increasing the dose to 10 mg/kg was predicted to improve pEI to 65.1 ± 6.1%. Covariate-based MIPD reduced variability in exposure and pEI (65.1 ± 5.5%). Concentration-based MIPD decreased variability further (66.0 ± 3.9%) but did so at an increased average dose of 2293 mg per patient, as compared to 2168 mg for 10 mg/kg dosing. Mean pEI remained unchanged between 10 mg/kg dosing and MIPD, since the same median AUCd84 was targeted. In conclusion, quantitative simulations predict MIPD will reduce variability in exposure and pEI between patients with UC during infliximab induction therapy.
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Affiliation(s)
- Ruben Faelens
- Department of Pharmaceutical and Pharmacological Sciences, Katholieke Universiteit Leuven, 3000 Leuven, Belgium; (R.F.); (Z.W.); (T.B.); (P.D.)
| | - Zhigang Wang
- Department of Pharmaceutical and Pharmacological Sciences, Katholieke Universiteit Leuven, 3000 Leuven, Belgium; (R.F.); (Z.W.); (T.B.); (P.D.)
| | - Thomas Bouillon
- Department of Pharmaceutical and Pharmacological Sciences, Katholieke Universiteit Leuven, 3000 Leuven, Belgium; (R.F.); (Z.W.); (T.B.); (P.D.)
| | - Paul Declerck
- Department of Pharmaceutical and Pharmacological Sciences, Katholieke Universiteit Leuven, 3000 Leuven, Belgium; (R.F.); (Z.W.); (T.B.); (P.D.)
| | - Marc Ferrante
- Department of Gastroenterology and Hepatology, University Hospitals Leuven, 3000 Leuven, Belgium; (M.F.); (S.V.)
- Department of Chronic Diseases and Metabolism, Katholieke Universiteit Leuven, 3000 Leuven, Belgium
| | - Séverine Vermeire
- Department of Gastroenterology and Hepatology, University Hospitals Leuven, 3000 Leuven, Belgium; (M.F.); (S.V.)
- Department of Chronic Diseases and Metabolism, Katholieke Universiteit Leuven, 3000 Leuven, Belgium
| | - Erwin Dreesen
- Department of Pharmaceutical and Pharmacological Sciences, Katholieke Universiteit Leuven, 3000 Leuven, Belgium; (R.F.); (Z.W.); (T.B.); (P.D.)
- Correspondence: ; Tel.: +32-16-37-27-53
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A Comprehensive Literature Review and Expert Consensus Statement on Therapeutic Drug Monitoring of Biologics in Inflammatory Bowel Disease. Am J Gastroenterol 2021; 116:2014-2025. [PMID: 34388143 PMCID: PMC9674375 DOI: 10.14309/ajg.0000000000001396] [Citation(s) in RCA: 95] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Accepted: 07/14/2021] [Indexed: 12/11/2022]
Abstract
Therapeutic drug monitoring (TDM) of biologics is a rapidly evolving field. We aimed to provide a consensus statement regarding the clinical utility of TDM for biologics in inflammatory bowel disease (IBD). A modified Delphi method was applied to develop consensus statements. A comprehensive literature review was performed regarding TDM of biologic therapies in IBD, and 45 statements were subsequently formulated on the potential application of TDM in IBD. The statements, along with literature, were then presented to a panel of 10 gastroenterologists with expertise in IBD and TDM who anonymously rated them on a scale of 1-10 (1 = strongly disagree and 10 = strongly agree). An expert consensus development meeting was held virtually to review, discuss, refine, and reformulate statements that did not meet criteria for agreement or that were ambiguous. During the meeting, additional statements were proposed. Panelists then confidentially revoted, and statements rated ≥7 by 80% or more of the participants were accepted. During the virtual meeting, 8 statements were reworded, 7 new statements were proposed, and 19 statements were rerated. Consensus was finally reached in 48/49 statements. The panel agreed that reactive TDM should be used for all biologics for both primary nonresponse and secondary loss of response. It was recommended that treatment discontinuation should not be considered for infliximab or adalimumab until a drug concentration of at least 10-15 μg/mL was achieved. Consensus was also achieved regarding the utility of proactive TDM for anti-tumor necrosis factor therapy. It was recommended to perform proactive TDM after induction and at least once during maintenance. Consensus was achieved in most cases regarding the utility of TDM of biologics in IBD, specifically for reactive and proactive TDM of anti-tumor necrosis factors.
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30
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Vande Casteele N, Feagan BG, Wolf DC, Pop A, Yassine M, Horst SN, Ritter TE, Sandborn WJ. Therapeutic Drug Monitoring of Tumor Necrosis Factor Antagonists in Crohn Disease: A Theoretical Construct to Apply Pharmacokinetics and Guidelines to Clinical Practice. Inflamm Bowel Dis 2021; 27:1346-1355. [PMID: 33051647 PMCID: PMC8314098 DOI: 10.1093/ibd/izaa265] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Indexed: 12/13/2022]
Abstract
Therapeutic drug monitoring (TDM) is the measurement of drug and antidrug antibody concentrations in individuals to guide treatment decisions. In patients with Crohn disease (CD), TDM, used either reactively or proactively, is emerging as a valuable tool for optimization of tumor necrosis factor (TNF) antagonist therapy. Reactive TDM is carried out in response to treatment failure, whereas proactive TDM involves the periodic monitoring of patients responding to TNF antagonist therapy to allow treatment optimization. In patients with CD, most of the available data for TDM relate to the first-to-market TNF antagonist infliximab and, to a lesser extent, to adalimumab and certolizumab pegol. Several gastroenterology associations, including the American Gastroenterology Association, have endorsed the use of reactive TDM in patients with active CD. However, fewer recommendations currently exist for the use of proactive TDM, although several new prospective randomized controlled trials evaluating proactive TDM strategies have been published. In this review, the current evidence for reactive and proactive TDM is discussed, and a proactive treatment algorithm for certolizumab pegol based on previously published threshold concentrations is proposed.
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Affiliation(s)
- Niels Vande Casteele
- Division of Gastroenterology, University of California San Diego, La Jolla, California, USA
| | | | - Douglas C Wolf
- Atlanta Gastroenterology Associates, Atlanta, Georgia, USA
| | - Anca Pop
- UCB Pharma, Smyrna, Georgia, USA
| | | | - Sara N Horst
- Vanderbilt University, Nashville, Tennessee, USA
| | | | - William J Sandborn
- Division of Gastroenterology, University of California San Diego, La Jolla, California, USA
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31
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Sicilia B, García-López S, González-Lama Y, Zabana Y, Hinojosa J, Gomollón F. GETECCU 2020 guidelines for the treatment of ulcerative colitis. Developed using the GRADE approach. GASTROENTEROLOGIA Y HEPATOLOGIA 2021; 43 Suppl 1:1-57. [PMID: 32807301 DOI: 10.1016/j.gastrohep.2020.07.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 07/22/2020] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Since the first edition of the Guidelines was published in 2013, much information has been generated around the treatment of ulcerative colitis, and new drugs and action protocols have been introduced. Clinical practice has changed substantially, warranting new approaches and a comprehensive review and update of the evidence. MATERIAL AND METHODS Once again, we used the GRADE approach, supported by an electronic tool (https://gradepro.org). The clinical scenarios are the same as in the previous version (induction and maintenance in severe and mild-moderate flare-ups), as are the variables and their evaluation. However, in the updated guidelines, three questions have been deleted, 14 added and 30 maintained, making a total of 44 clinical questions. After an exhaustive review of the evidence, the recommendations are now updated. RESULTS Of the 44 questions analysed, no recommendation could be established in two due to the very low quality of the evidence, while in the other 42, based on different degrees of quality of evidence, recommendations were made according to the GRADE system. In 25 of these questions the final recommendation is strongly in favour, in six strongly against, in seven weakly in favour and in four weakly against. According to the scenarios and recommendations, six algorithms are proposed as a simple guide for practical decision-making. CONCLUSIONS The aim of this update of the 2013 guidelines is to provide answers, based on the GRADE approach, to the different questions we ask ourselves daily when deciding the most appropriate treatment for our patients with ulcerative colitis in the different clinical scenarios.
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Affiliation(s)
- Beatriz Sicilia
- Unidad de Enfermedad Inflamatoria Intestinal, Servicio de Aparato Digestivo, Hospital Universitario de Burgos, España
| | - Santiago García-López
- Unidad de Enfermedad Inflamatoria Intestinal, Servicio de Aparato Digestivo, Hospital Universitario Miguel Servet, Instituto de Investigaciones Sanitarias de Aragón, Zaragoza, España.
| | - Yago González-Lama
- Unidad de Enfermedad Inflamatoria Intestinal, Servicio de Aparato Digestivo, Hospital Universitario Puerta de Hierro, Madrid, España
| | - Yamile Zabana
- Unidad de Enfermedad Inflamatoria Intestinal, Servicio de Aparato Digestivo Hospital Universitario Mútua Terrassa Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd)
| | - Joaquín Hinojosa
- Unidad de Enfermedad Inflamatoria Intestinal, Servicio de Aparato Digestivo, Hospital de Manises, Valencia, España
| | - Fernando Gomollón
- Unidad de Enfermedad Inflamatoria Intestinal, Servicio de Aparato Digestivo, Instituto de Investigaciones Sanitarias de Aragón, Hospital Clínico Universitario Lozano Blesa, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Zaragoza, España
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Vande Casteele N, Jairath V, Jeyarajah J, Dulai PS, Singh S, Shackelton LM, Feagan BG, Sandborn WJ. Development and Validation of a Clinical Decision Support Tool That Incorporates Pharmacokinetic Data to Predict Endoscopic Healing in Patients Treated With Infliximab. Clin Gastroenterol Hepatol 2021; 19:1209-1217.e2. [PMID: 32376505 DOI: 10.1016/j.cgh.2020.04.078] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 04/24/2020] [Accepted: 04/27/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Infliximab is an effective treatment for moderate to severe ulcerative colitis (UC). Little is known about patient-related factors that might be used to predict endoscopic healing with infliximab therapy. METHODS We analyzed data from 484 patients included in the randomized trials of the effects of infliximab therapy for patients with UC (Active Ulcerative Colitis Trials [ACT]-1 and ACT-2). We used a 2-compartment population pharmacokinetic model to calculate baseline infliximab clearance. Two multivariable regression models were derived and validated for their ability to identify patients with endoscopic healing (Mayo endoscopic score, ≤1) at weeks 8 and 30, using only baseline variables. We developed a clinical decision support tool (CDST) and calculator to determine the probability of endoscopic healing in patients starting infliximab. RESULTS Higher baseline infliximab clearance, stool frequency, and rectal bleeding scores were associated negatively with endoscopic healing at week 8. In the validation set, a CDST score of 9 points or fewer identified patients without endoscopic healing at week 8 with 82% sensitivity (95% CI, 76%-88%), whereas a CDST score of 16 points or more identified patients with endoscopic healing at week 8 with 87% specificity (95% CI, 81%-94%). Higher baseline infliximab clearance, stool frequency score, white blood cell count, and lower body weight were associated negatively with endoscopic healing at week 30. In the validation set, CDST scores of 17 points or fewer identified patients without endoscopic healing at week 30 with 90% sensitivity (95% CI, 85%-95%), whereas scores greater than 22 points identified patients with endoscopic healing at week 30 with 80% specificity (95% CI, 73%-87%). External validation models had a modest predictive value, with an area under of the curve of 0.67 (95% CI, 0.61-0.74). Patient-level probabilities of endoscopic healing at weeks 8 or 30 can be calculated online (www.premedibd.com). CONCLUSIONS Using data from 2 clinical trials of patients receiving infliximab therapy for UC, we developed and validated the CDST, which uses data on infliximab clearance and baseline patient and disease measures to identify patients most likely to have endoscopic healing. This tool will facilitate therapy decision making and precision medicine.
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Affiliation(s)
- Niels Vande Casteele
- Department of Medicine, University of California San Diego, La Jolla, California; Department of Medical Research & Development, Robarts Clinical Trials, Inc, London, Ontario, Canada.
| | - Vipul Jairath
- Department of Medical Research & Development, Robarts Clinical Trials, Inc, London, Ontario, Canada; Department of Medicine; Department of Epidemiology and Biostatistics, Western University, London, Ontario, Canada
| | - Jenny Jeyarajah
- Department of Medical Research & Development, Robarts Clinical Trials, Inc, London, Ontario, Canada
| | - Parambir S Dulai
- Department of Medicine, University of California San Diego, La Jolla, California
| | - Siddharth Singh
- Department of Medicine, University of California San Diego, La Jolla, California
| | - Lisa M Shackelton
- Department of Medical Research & Development, Robarts Clinical Trials, Inc, London, Ontario, Canada
| | - Brian G Feagan
- Department of Medical Research & Development, Robarts Clinical Trials, Inc, London, Ontario, Canada; Department of Medicine; Department of Epidemiology and Biostatistics, Western University, London, Ontario, Canada
| | - William J Sandborn
- Department of Medicine, University of California San Diego, La Jolla, California; Department of Medical Research & Development, Robarts Clinical Trials, Inc, London, Ontario, Canada
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Bossuyt P, Dreesen E, Rimola J, Devuysere S, De Bruecker Y, Vanslembrouck R, Laurent V, Zappa M, Savoye-Collet C, Pariente B, Filippi J, Baert F, D'Haens G, Laharie D, Peyrin-Biroulet L, Vermeire S, Buisson A, Bouhnik Y, Woude JV, Van Hootegem P, Moreau J, Louis E, Franchimont D, De Vos M, Mana F, Brixi H, Allez M, Caenepeel P, Aubourg A, Oldenburg B, Pierik M, Chevret S. Infliximab Exposure Associates With Radiologic Evidence of Healing in Patients With Crohn's Disease. Clin Gastroenterol Hepatol 2021; 19:947-954.e2. [PMID: 32360982 DOI: 10.1016/j.cgh.2020.04.052] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 04/06/2020] [Accepted: 04/17/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Higher infliximab trough levels are associated with clinical and endoscopic remission in patients with Crohn's disease (CD). We investigated pharmacodynamic features of infliximab and radiological healing. METHODS We performed a substudy of the TAILORIX trial (patients with active luminal CD in Europe, treated with infliximab), analyzing baseline and week 54 magnetic resonance enterography (MRE) data. MREs were scored using the MaRIA score by blinded central readers. Radiologic response and remission were defined, based on MaRIA criteria in all segments, as scores below 11 and 7, respectively. We collected data on infliximab trough levels, biomarkers, and endoscopic findings. Our primary aim was to evaluate pharmacodynamic features associated with radiologic response and remission, based on MRE assessments at baseline and at 54 weeks after initiation of infliximab therapy. RESULTS We analyzed data from 36 patients (50% female; median age 35.7 years; interquartile age range, 25.6-48.6 years; median disease duration, 1.5 months; interquartile duration range, 0.6-22.4 months). At week 54 of treatment, 36.4% of patients had a radiologic response, 30.3% of patients were in remission, and 71% had endoscopic features of remission. At baseline, there was a correlation between the CD endoscopic index of severity and MaRIA scores (κ = 0.46; P = .008), but we found no correlation at week 54 (κ = 0.06; P = .75). Radiologic remission correlated with infliximab trough level at week 14 (P = .049) when the infliximab trough level cut-off value was set at 7.8 μg/mL (area under the curve, 0.74; 75% sensitivity; 86% specificity; 90% negative predictive value; 57% positive predictive value). Radiologic response correlated with infliximab trough levels at week 14 (P = .048) when the infliximab trough level cut-off value was set at 7.8 μg/mL (area under the curve, 0.73; 70% sensitivity; 90% specificity; 86% negative predictive value; 78% positive predictive value) and with continuous pharmacologic evidence of response (infliximab trough levels above 5.0 μg/mL at all time points) (P = .034). CONCLUSIONS In a substudy of data from the TAILORIX trial of patients with active luminal CD, we identified a relationship between exposure to infliximab and radiologic evidence of outcomes.
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Affiliation(s)
- Peter Bossuyt
- Department of Gastroenterology, Imelda GI Clinical Research Center, Imelda General Hospital, Bonheiden, Belgium; Department of Gastroenterology and Hepatology, University Hospitals Leuven, Catholic University of Leuven, Leuven, Belgium.
| | - Erwin Dreesen
- Department of Pharmaceutical and Pharmacological Sciences, Catholic University of Leuven, Leuven, Belgium
| | - Jordi Rimola
- IBD Unit, Radiology Department, Hospital Clínic of Barcelona, Barcelona, Spain
| | - Sofie Devuysere
- Department of Radiology, Imelda General Hospital, Bonheiden, Belgium
| | - Yves De Bruecker
- Department of Radiology, Imelda General Hospital, Bonheiden, Belgium
| | - Ragna Vanslembrouck
- Department of Radiology, University Hospitals Leuven, Catholic University of Leuven, Leuven, Belgium
| | - Valérie Laurent
- INSERM U947 and Department of Radiology, Nancy University Hospital, Vandoeuvre-lès-Nancy, France
| | - Magaly Zappa
- Department of Radiology, Beaujon Hospital, Clichy, France
| | - Céline Savoye-Collet
- Department of Radiology, Rouen University Hospital, Normandy University, UNIROUEN, Rouen, France
| | - Benjamin Pariente
- Department of Gastroenterology, Hospital Claude Huriez, Lille, France
| | - Jérôme Filippi
- Department of Gastroenterology, Hospital Archet, Nice, France
| | - Filip Baert
- Department of Gastroenterology, AZ Delta, Roeselare, Belgium
| | - Geert D'Haens
- Department of Gastroenterology, Amsterdam University Medical Centre, University of Amsterdam, Amsterdam, the Netherlands
| | - David Laharie
- Department of Gastroenterology, Hôpital Haut-Lévêque, Bordeaux University Hospital, Pessac, France
| | - Laurent Peyrin-Biroulet
- INSERM U1256 NGERE and Department of Hepato-Gastroenterology, Nancy University Hospital, Vandoeuvre-lès-Nancy, France
| | - Séverine Vermeire
- Department of Gastroenterology and Hepatology, University Hospitals Leuven, Catholic University of Leuven, Leuven, Belgium
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Battat R, Hemperly A, Truong S, Whitmire N, Boland BS, Dulai PS, Holmer AK, Nguyen NH, Singh S, Vande Casteele N, Sandborn WJ. Baseline Clearance of Infliximab Is Associated With Requirement for Colectomy in Patients With Acute Severe Ulcerative Colitis. Clin Gastroenterol Hepatol 2021; 19:511-518.e6. [PMID: 32348905 PMCID: PMC7606215 DOI: 10.1016/j.cgh.2020.03.072] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Revised: 03/06/2020] [Accepted: 03/27/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Hospitalized patients with acute severe ulcerative colitis (ASUC) often require surgery. Although the tumor necrosis factor antagonist infliximab is an effective salvage therapy to prevent colectomy in patients with ASUC, optimal dosing is unclear. Calculated infliximab clearance has been associated with important outcomes in patients with ulcerative colitis, but its utility in patients with ASUC has not been established. We assessed the relationship between calculated the baseline infliximab clearance before infliximab salvage therapy and the requirement for colectomy in patients hospitalized for ASUC. METHODS We obtained data from hospitalized patients with ASUC who initiated infliximab therapy. We then calculated the baseline infliximab drug clearance in these patients based on an existing formula. The primary aim was to compare clearance between patients who required colectomy 6 months later and patients who did not require colectomy. Receiver operating characteristic curve analyses evaluated clearance thresholds for colectomy. Multivariable logistic regression analysis evaluated factors associated with colectomy. RESULTS In 39 patients with ASUC, the median baseline calculated clearance was higher in patients requiring colectomy at 6 months than in patients without colectomy (0.733 vs 0.569 L/d; P = .005). An infliximab clearance threshold of 0.627 L/d identified patients who required colectomy with 80.0% sensitivity and 82.8% specificity (area under the curve, 0.80). A higher proportion of patients with infliximab clearance of 0.627 L/d or more underwent colectomy within 6 months (61.5%) than patients with lower infliximab clearance values (7.7%) (P = .001). Multivariable analysis identified baseline infliximab clearance as the only factor associated with colectomy. The infliximab dose in the hospital was higher in patients who required colectomy. Results were similar at 30 days and 1 year. CONCLUSIONS In patients hospitalized with ASUC, higher values of calculated infliximab clearance before infliximab administration is associated with higher rates of colectomy. Although patients who required colectomies received higher doses, data on infliximab concentrations are lacking. Infliximab pharmacokinetic models are needed for patients with ASUC to allow comparative trials on clearance-based vs standard dosing.
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Affiliation(s)
- Robert Battat
- Division of Gastroenterology, Department of Medicine, University of California, San Diego, La Jolla, California; Jill Roberts Center for Inflammatory Bowel Disease, Division of Gastroenterology and Hepatology, Weill Cornell Medicine, New York, New York
| | - Amy Hemperly
- Division of Gastroenterology, Department of Pediatrics, Rady Children's Hospital University of California, San Diego, La Jolla, California
| | - Stephanie Truong
- Division of Gastroenterology, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Natalie Whitmire
- Division of Gastroenterology, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Brigid S Boland
- Division of Gastroenterology, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Parambir S Dulai
- Division of Gastroenterology, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Ariela K Holmer
- Division of Gastroenterology, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Nghia H Nguyen
- Division of Gastroenterology, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Siddharth Singh
- Division of Gastroenterology, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Niels Vande Casteele
- Division of Gastroenterology, Department of Medicine, University of California, San Diego, La Jolla, California
| | - William J Sandborn
- Division of Gastroenterology, Department of Medicine, University of California, San Diego, La Jolla, California.
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Kapoor A, Crowley E. Advances in Therapeutic Drug Monitoring in Biologic Therapies for Pediatric Inflammatory Bowel Disease. Front Pediatr 2021; 9:661536. [PMID: 34123968 PMCID: PMC8187753 DOI: 10.3389/fped.2021.661536] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Accepted: 04/09/2021] [Indexed: 12/19/2022] Open
Abstract
In the current era of treat-to-target strategies, therapeutic drug monitoring (TDM) has emerged as a potential tool in optimizing the efficacy of biologics for children diagnosed with inflammatory bowel disease (IBD). The incorporation of TDM into treatment algorithms, however, has proven to be complex. "Proactive" TDM is emerging as a therapeutic strategy due to a recently published pediatric RCT showing a clear benefit of "proactive" TDM in anti-TNF therapy. However, target therapeutic values for different biologics for different disease states [ulcerative colitis (UC) vs. Crohn's disease (CD)] and different periods of disease activity (induction vs. remission) require further definition. This is especially true in pediatrics where the therapeutic armamentarium is limited, and fixed weight-based dosing may predispose to increased clearance leading to decreased drug exposure and subsequent loss of response (pharmacokinetic and/or immunogenic). Model-based dosing for biologics offers an exciting insight into dose individualization thereby minimizing the chances of losing response. Similarly, point-of-care testing promises real-time assessment of drug levels and individualized decision-making. In the current clinical realm, TDM is being used to prolong drug durability and efficacy and prevent loss of response. Ongoing innovations may transform it into a personalized tool to achieve optimal therapeutic endpoints.
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Affiliation(s)
- Akshay Kapoor
- Division of Pediatric Gastroenterology, Hepatology, and Nutrition, London Health Sciences Centre, Children's Hospital Western Ontario, Western University, London, ON, Canada
| | - Eileen Crowley
- Division of Pediatric Gastroenterology, Hepatology, and Nutrition, London Health Sciences Centre, Children's Hospital Western Ontario, Western University, London, ON, Canada
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Optimizing biologic therapy in IBD: how essential is therapeutic drug monitoring? Nat Rev Gastroenterol Hepatol 2020; 17:702-710. [PMID: 32879465 DOI: 10.1038/s41575-020-0352-2] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/20/2020] [Indexed: 02/07/2023]
Abstract
Proposed treatment targets for the management of inflammatory bowel disease (IBD) have moved beyond symptomatic improvement towards more objective end points, such as healing of the intestinal mucosa. This treat-to-target approach has been associated with improved disease outcomes such as diminished bowel damage, surgery and hospitalizations. Many patients with IBD require biologic therapy to achieve and maintain clinical and endoscopic remission, and antitumour necrosis factor antibodies remain the first-line biologic therapy in most areas of the world. Unfortunately, up to one-third of patients receiving this treatment are primary non-responders, and some patients that show an initial response can also lose response over time. Therapeutic drug monitoring (TDM) has been suggested as a useful tool to manage patients on antitumour necrosis factor treatment, including monitoring for dose escalation, de-escalation or to switch treatment. In this Perspective, we aim to summarize evidence and guidelines related to TDM in IBD management and also discuss potential strategies to optimize biologic treatment where TDM is not available.
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Queiroz NSF, Teixeira FV, Parra RS, Kotze PG. INDUCTION THERAPEUTIC DRUG MONITORING REGIMEN WITH INFLIXIMAB: A SIMPLIFIED EVIDENCE-BASED ALGORITHM FOR INFLAMMATORY BOWEL DISEASE. ARQUIVOS DE GASTROENTEROLOGIA 2020; 57:507-510. [PMID: 33331484 DOI: 10.1590/s0004-2803.202000000-76] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 07/09/2020] [Indexed: 11/22/2022]
Abstract
Therapeutic drug monitoring (TDM) of infliximab (IFX) has been recognized as an important strategy in the management of secondary loss of response to this agent, guiding clinical decision-making in the management of inflammatory bowel diseases (IBD). Although most of the data on the application of TDM for IFX refer to the maintenance phase of treatment, many studies have associated higher drug concentrations, specially in the induction phase, with achievement of important treatment targets, such as clinical remission and mucosal healing. This brief communication aims to summarize the literature on the use of TDM during induction phase of IFX and propose application of a simplified approach which can be useful into clinical practice, aiming better outcomes to IBD patients.
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Bourchany A, Gilletta De Saint-Joseph C, Breton A, Barreau F, Mas E. Optimization of biologics to reduce treatment failure in inflammatory bowel diseases. Curr Opin Pharmacol 2020; 54:51-58. [PMID: 32947075 DOI: 10.1016/j.coph.2020.07.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 07/27/2020] [Accepted: 07/31/2020] [Indexed: 01/06/2023]
Abstract
Moderate to severe inflammatory bowel disease patients can fail to respond to conventional therapy and/or to biologic treatment. In the era of TNFα antagonists and other non-anti-TNF biologic drugs, it is important to review the literature on biologic treatment failure, which could be defined as primary non-response, secondary loss of response and intolerance. Therapeutic drug monitoring (TDM), that is, drug trough level and antidrug antibodies, should enable to determine the mechanisms of treatment failure and to optimize drug efficacy. There is a consensus on reactive TDM at the time of loss of response. Proactive TDM could be of interest during induction and/or maintenance, but randomized controlled trials are required.
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Affiliation(s)
- Aurélie Bourchany
- Unité de Gastroentérologie, Hépatologie, Nutrition, Diabétologie et Maladies Héréditaires du Métabolisme, Hôpital des Enfants, CHU de Toulouse, F-31300, France
| | | | - Anne Breton
- Unité de Gastroentérologie, Hépatologie, Nutrition, Diabétologie et Maladies Héréditaires du Métabolisme, Hôpital des Enfants, CHU de Toulouse, F-31300, France
| | - Frédérick Barreau
- IRSD, Université de Toulouse, INSERM, INRA, ENVT, UPS, Toulouse, France
| | - Emmanuel Mas
- Unité de Gastroentérologie, Hépatologie, Nutrition, Diabétologie et Maladies Héréditaires du Métabolisme, Hôpital des Enfants, CHU de Toulouse, F-31300, France; IRSD, Université de Toulouse, INSERM, INRA, ENVT, UPS, Toulouse, France.
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Buhl S, Dorn-Rasmussen M, Brynskov J, Ainsworth MA, Bendtzen K, Klausen PH, Bolstad N, Warren DJ, Steenholdt C. Therapeutic thresholds and mechanisms for primary non-response to infliximab in inflammatory bowel disease. Scand J Gastroenterol 2020; 55:884-890. [PMID: 32631131 DOI: 10.1080/00365521.2020.1786852] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND Primary non-response to infliximab (IFX) inherits a poor prognosis in inflammatory bowel disease (IBD). We explored underlying mechanisms and therapeutic thresholds in an effort to provide basis for optimizing therapy. METHODS A prospectively followed cohort of 166 IBD patients having received standard IFX induction therapy (5 mg/kg at weeks 2, 6, and 14) had trough IFX and anti-IFX antibodies (Abs) retrospectively assessed at weeks 2 (n = 148) and 6 (n = 108). Circulating TNFα was measured in matched primary non-responders (n = 29) and responders (n = 21) at baseline and weeks 6 and 14. Clinical outcome at week 14 was supported by disease activity scores in half of patients. RESULTS In all, 18 patients (11%) had primary non-response. Infliximab was consistently lower throughout the induction phase in non-responders as compared to responders (Week 2: IFX median 18.9 μg/mL vs. 23.3, p < .05. Week 6: 8.4 vs. 17.0, p < .05). Optimal IFX thresholds associated with response was 22.9 μg/mL at week 2 (sensitivity 51%, specificity 80%, AUCROC 0.67, p < .05) and 11.8 at week 6 (72%, 77%, 0.71, p < .05). Anti-IFX Abs occurred in 28% of primary non-responders and associated with low IFX and treatment failure (OR 13.7 [2.8-67.5], p < .01). Markers of disease activity (disease activity scores, albumin, CRP) also associated with low IFX. Circulating TNFα was higher throughout induction in non-responders with ulcerative colitis but not Crohn's disease. CONCLUSION IBD patients with primary IFX failure generally have lower IFX trough than responders during early induction phase. Pharmacokinetic failure seems common in ulcerative colits, whereas pharmacodynamic failure appears common in Crohn's disease.
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Affiliation(s)
- Sine Buhl
- Department of Gastroenterology, Copenhagen University Hospital Herlev, Herlev, Denmark
| | - Maria Dorn-Rasmussen
- Department of Gastroenterology, Copenhagen University Hospital Herlev, Herlev, Denmark
| | - Jørn Brynskov
- Department of Gastroenterology, Copenhagen University Hospital Herlev, Herlev, Denmark
| | - Mark A Ainsworth
- Department of Gastroenterology, Copenhagen University Hospital Herlev, Herlev, Denmark
| | - Klaus Bendtzen
- Institute for Inflammation Research, Rigshospitalet, Copenhagen, Denmark
| | - Pia Helene Klausen
- Department of Gastroenterology, Copenhagen University Hospital Herlev, Herlev, Denmark
| | - Nils Bolstad
- Department of Medical Biochemistry, Oslo University Hospital, Oslo, Norway
| | - David J Warren
- Department of Medical Biochemistry, Oslo University Hospital, Oslo, Norway
| | - Casper Steenholdt
- Department of Gastroenterology, Copenhagen University Hospital Herlev, Herlev, Denmark
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Optimizing Antitumor Necrosis Factor Treatment in Pediatric Inflammatory Bowel Disease With Therapeutic Drug Monitoring. J Pediatr Gastroenterol Nutr 2020; 71:12-18. [PMID: 32142005 DOI: 10.1097/mpg.0000000000002704] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Biological agents have revolutionized inflammatory bowel disease treatment but primary nonresponse and secondary loss of response are common with resulting adverse outcomes. Clinical trials demonstrated an association between serum drug concentrations, as well as the presence of antidrug antibodies, and loss-of-response. Therapeutic drug monitoring (TDM), defined as the evaluation of drug concentrations and antidrug antibodies, is appearing as a strategy to optimize treatment and take full advantage from these drugs. TDM appears to be a promising tool in clinical practice, especially in pediatric patients, who have pronounced fluctuations in the pharmacokinetics of the drugs.The authors present a literature review about antitumor necrosis factor therapy optimization based on personalized treatment strategies according to TDM and possible strategies to recapture loss of response, including an algorithm for practical management.
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Papamichael K, Cheifetz AS. Therapeutic drug monitoring in patients on biologics: lessons from gastroenterology. Curr Opin Rheumatol 2020; 32:371-379. [PMID: 32412995 PMCID: PMC8294174 DOI: 10.1097/bor.0000000000000713] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
PURPOSE OF REVIEW To give an overview on the role of therapeutic drug monitoring (TDM) of biologics in patients with inflammatory bowel disease (IBD). RECENT FINDINGS Numerous prospective exposure-response relationship studies and post-hoc analyses of randomized controlled trials (RCTs) show a positive correlation between biologic drug concentrations and favorable clinical outcomes in IBD. These studies also demonstrate that higher drug concentrations appear to be needed to achieve more stringent objective therapeutic outcomes. Reactive TDM rationalizes the management of primary nonresponse and secondary loss of response to antitumor necrosis factor (anti-TNF) therapy and is more cost-effective when compared with empiric dose optimization. Furthermore, recent data suggest that proactive TDM, with the goal of targeting a threshold drug concentration, is associated with better therapeutic outcomes when compared with empiric dose escalation and/or reactive TDM of infliximab or adalimumab. Finally, proactive TDM can also efficiently guide infliximab de-escalation or discontinuation in patients with IBD in remission. SUMMARY Reactive TDM is currently considered as standard of care, whereas proactive TDM is emerging as a new therapeutic strategy for better optimizing anti-TNF therapy in IBD. However, more data from prospective studies are needed before a wide implementation of TDM-based algorithms in real life clinical practice for newer biologics.
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Affiliation(s)
- Konstantinos Papamichael
- Center for Inflammatory Bowel Diseases, Division of Gastroenterology, Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Adam S. Cheifetz
- Center for Inflammatory Bowel Diseases, Division of Gastroenterology, Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
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Sparrow MP, Papamichael K, Ward MG, Riviere P, Laharie D, Paul S, Roblin X. Therapeutic Drug Monitoring of Biologics During Induction to Prevent Primary Non-Response. J Crohns Colitis 2020; 14:542-556. [PMID: 31549158 PMCID: PMC7392326 DOI: 10.1093/ecco-jcc/jjz162] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Biologic therapies have revolutionized the management of inflammatory bowel disease [IBD], but primary and secondary non-responses occur in a significant proportion of patients. Therapeutic drug monitoring [TDM] now has an established role in the treatment algorithm for managing secondary loss of response to anti-tumour necrosis factor [anti-TNF] agents during maintenance therapy. Data to support the use of TDM in the management of secondary loss of response to vedolizumab and ustekinumab are emerging. The potential to prevent primary non-response to biologic agents during induction is of equal, and potentially greater, clinical importance. Again, most data supporting the use of 'proactive' TDM during induction pertains to the use of anti-TNF agents, but signals of efficacy for the use of TDM during induction with other biologic classes are now appearing. This review aims to summarize data on the use of TDM during induction to prevent pharmacokinetic primary non-response to all three classes of biologic therapy currently available for the treatment of IBD.
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Affiliation(s)
- Miles P Sparrow
- Department of Gastroenterology, Alfred Hospital and Monash University, Melbourne, Victoria, Australia
| | - Konstantinos Papamichael
- Division of Gastroenterology, Center for Inflammatory Bowel Disease, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Mark G Ward
- Department of Gastroenterology, Alfred Hospital and Monash University, Melbourne, Victoria, Australia
| | | | - David Laharie
- Gastroenterology Unit, Pessac University Hospital, France
| | - Stephane Paul
- Department of Immunology, University Hospital of Saint Etienne, Saint-Etienne, France
| | - Xavier Roblin
- Gastroenterology Unit, University Hospital of Saint Etienne, Saint-Etienne, France
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Vermeire S, Dreesen E, Papamichael K, Dubinsky MC. How, When, and for Whom Should We Perform Therapeutic Drug Monitoring? Clin Gastroenterol Hepatol 2020; 18:1291-1299. [PMID: 31589978 DOI: 10.1016/j.cgh.2019.09.041] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 09/26/2019] [Accepted: 09/28/2019] [Indexed: 02/07/2023]
Abstract
The implementation of therapeutic drug monitoring (TDM) in the inflammatory bowel disease practice has evolved over the years. In the early days, the focus was merely on measuring and reporting drug concentrations. Later, these concentrations were considered in light of target concentrations that are related to clinical response. This not only allowed passively predicting a patient's future response, but it also triggered physicians and pharmacists to actively use the information to optimize the drug dosage to induce and maintain a clinical response in the future. Although reactive TDM, testing at time of loss of response, is widely accepted in practice, especially for anti-tumor necrosis factor antibodies, there are less data for the other monoclonal antibodies belonging to other classes. Besides reactive testing, there is a movement toward proactively adjusting biologic dosing to prevent loss of response, in keeping with the tight control philosophy of inflammatory bowel disease care. This review highlights the various assays available to measure drug concentrations and antidrug antibodies, as well as algorithmic approaches to TDM, the unmet needs and required studies to enable pharmacokinetics principles to be applied in the future.
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Affiliation(s)
- Severine Vermeire
- Department of Gastroenterology and Hepatology, University Hospitals Leuven, Department of Chronic Diseases, Metabolism and Ageing, Translational Research in Gastrointestinal Disorders, KU Leuven, Leuven, Belgium
| | - Erwin Dreesen
- Department of Pharmaceutical and Pharmacological Sciences, University of Leuven, Leuven, Belgium
| | - Konstantinos Papamichael
- Department of Medicine, Division of Gastroenterology and Hepatology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Marla C Dubinsky
- Department of Pediatrics, Susan and Leonard Feinstein Inflammatory Bowel Disease Clinical Center, Icahn School of Medicine Mount Sinai, New York, New York.
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Trough Measurements of Infliximab: The Earlier the Better? J Pediatr Gastroenterol Nutr 2020; 70:276-277. [PMID: 31789776 DOI: 10.1097/mpg.0000000000002576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
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Van den Berghe N, Gils A, Thomas D. Achieving Mucosal Healing in Inflammatory Bowel Diseases: Which Drug Concentrations Need to Be Targeted? Clin Pharmacol Ther 2019; 106:945-954. [PMID: 31420861 PMCID: PMC6858034 DOI: 10.1002/cpt.1609] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 07/29/2019] [Indexed: 12/12/2022]
Abstract
Biologicals introduced a major shift in the treatment of patients suffering from inflammatory bowel diseases. Despite providing a tight disease control for many patients, a considerable proportion of patients will fail to respond favorably to treatment or will lose response over time. Therapeutic drug monitoring emerged as a valuable tool to guide clinical decision making as serum drug concentrations have been linked to outcomes. Focusing on mucosal healing as the ultimate treatment goal, different drug concentration thresholds to achieve this outcome have been identified in the literature and are summarized in this review. For therapeutic drug monitoring to be successful in guiding clinical decision making, the used assay, the sampling time point, and the outcome that is aimed for should be taken into account when interpreting drug concentration thresholds. Awareness of these essential aspects among clinicians will improve the implementation of therapeutic drug monitoring and aid in making an evidence‐based decision.
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Affiliation(s)
- Nathalie Van den Berghe
- Laboratory for Therapeutic and Diagnostic Antibodies, Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium
| | - Ann Gils
- Laboratory for Therapeutic and Diagnostic Antibodies, Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium
| | - Debby Thomas
- Laboratory for Therapeutic and Diagnostic Antibodies, Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium
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Papamichael K, Cheifetz AS, Melmed GY, Irving PM, Casteele NV, Kozuch PL, Raffals LE, Baidoo L, Bressler B, Devlin SM, Jones J, Kaplan GG, Sparrow MP, Velayos FS, Ullman T, Siegel CA. Appropriate Therapeutic Drug Monitoring of Biologic Agents for Patients With Inflammatory Bowel Diseases. Clin Gastroenterol Hepatol 2019; 17:1655-1668.e3. [PMID: 30928454 PMCID: PMC6661210 DOI: 10.1016/j.cgh.2019.03.037] [Citation(s) in RCA: 199] [Impact Index Per Article: 39.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 02/24/2019] [Accepted: 03/24/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND & AIMS Therapeutic drug monitoring (TDM) is widely available for biologic therapies in patients with inflammatory bowel disease (IBD). We reviewed current data and provided expert opinion regarding the clinical utility of TDM for biologic therapies in IBD. METHODS We used a modified Delphi method to establish consensus. A comprehensive literature review was performed regarding the use of TDM of biologic therapy in IBD and presented to international IBD specialists. Subsequently, 28 statements on the application of TDM in clinical practice were rated on a scale of 1 to 10 (1 = strongly disagree and 10 = strongly agree) by each of the panellists. Statements were accepted if 80% or more of the participants agreed with a score ≥7. The remaining statements were discussed and revised based on the available evidence followed by a second round of voting. RESULTS The panel agreed on 24 (86%) statements. For anti-tumor necrosis factor (anti-TNF) therapies, proactive TDM was found to be appropriate after induction and at least once during maintenance therapy, but this was not the case for the other biologics. Reactive TDM was appropriate for all agents both for primary non-response and secondary loss of response. The panellists also agreed on several statements regarding TDM and appropriate drug and anti-drug antibody (ADA) concentration thresholds for biologics in specific clinical scenarios. CONCLUSION Consensus was achieved towards the utility of TDM of biologics in IBD, particularly anti-TNF therapies. More data are needed especially on non-anti-TNF biologics to further define optimal drug concentration and ADA thresholds as these can vary depending on the therapeutic outcomes assessed.
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Affiliation(s)
| | | | - Gil Y. Melmed
- Cedars-Sinai Medical Center, Los Angeles, California
| | | | | | | | | | | | | | | | | | | | | | | | - Thomas Ullman
- Montefiore Medical Center/Albert Einstein College Medicine, Bronx, NY
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Papamichael K, Cheifetz AS. Therapeutic drug monitoring in inflammatory bowel disease: for every patient and every drug? Curr Opin Gastroenterol 2019; 35:302-310. [PMID: 30973355 PMCID: PMC6785387 DOI: 10.1097/mog.0000000000000536] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
PURPOSE OF REVIEW The current review provides an updated overview on the role of therapeutic drug monitoring (TDM) of biological therapies in inflammatory bowel disease (IBD). We examine the data behind TDM for the antitumor necrosis factor agents, vedolizumab and ustekinumab, in patients with IBD. In addition, we discuss reactive vs. proactive TDM. RECENT FINDINGS There is a positive correlation between biologic drug concentrations and favorable therapeutic outcomes in IBD, although the majority of data refer to antitumor necrosis factor therapy. Reactive TDM has rationalized the management of patients with IBD with loss of response to biological therapy. Moreover, reactive TDM of infliximab has been proven to be more cost-effective when compared with empiric dose optimization. Preliminary data suggest that proactive TDM of infliximab and adalimumab applied in patients with clinical response/remission is associated with better therapeutic outcomes compared with standard of care (empiric treatment and/or reactive TDM). SUMMARY For all biologics in IBD, there is a positive correlation between drug concentrations and favorable therapeutic outcomes. Reactive TDM is the new standard of care for optimizing biologic therapies in IBD, whereas recent data suggest an important role of proactive TDM for optimizing antitumor necrosis factor therapy in IBD.
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Affiliation(s)
- Konstantinos Papamichael
- Center for Inflammatory Bowel Diseases, Division of Gastroenterology, Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Adam S. Cheifetz
- Center for Inflammatory Bowel Diseases, Division of Gastroenterology, Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
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Papamichael K, Vogelzang EH, Lambert J, Wolbink G, Cheifetz AS. Therapeutic drug monitoring with biologic agents in immune mediated inflammatory diseases. Expert Rev Clin Immunol 2019; 15:837-848. [PMID: 31180729 DOI: 10.1080/1744666x.2019.1630273] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
: Most exposure-response relationship studies show a positive correlation between biologic drug concentrations and favorable therapeutic outcomes in IMID with higher drug concentrations typically associated with more objective outcomes. Clinically, reactive TDM rationalizes the management of PNR and SLR to anti-tumor necrosis factor therapy and is emerging as the new standard of care in IBD as it is also more cost-effective than empiric dose escalation. Preliminary data suggest that proactive TDM with the goal to achieve a threshold drug concentration is associated with better therapeutic outcomes when compared to empiric drug optimization and/or reactive TDM of infliximab and adalimumab in IBD. However, more data from well-designed prospective studies are needed to prove the benefit of TDM-based algorithms in real life clinical practice in IMID.
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Affiliation(s)
- Konstantinos Papamichael
- a Center for Inflammatory Bowel Diseases, Division of Gastroenterology, Beth-Israel Deaconess Medical Center, Harvard Medical School , Boston , MA , USA
| | - Erik H Vogelzang
- b Rheumatology and Immunology Center, Research by AMC, READE and VUMC , Amsterdam , the Netherlands
| | - Jo Lambert
- c Department of Dermatology, Ghent University , Ghent , Belgium
| | - Gertjan Wolbink
- b Rheumatology and Immunology Center, Research by AMC, READE and VUMC , Amsterdam , the Netherlands.,d Department of Immunopathology, Sanquin Research and Landsteiner Laboratory Academic Medical Center , Amsterdam , the Netherlands
| | - Adam S Cheifetz
- a Center for Inflammatory Bowel Diseases, Division of Gastroenterology, Beth-Israel Deaconess Medical Center, Harvard Medical School , Boston , MA , USA
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Advances in Therapeutic Drug Monitoring for Small-Molecule and Biologic Therapies in Inflammatory Bowel Disease. ACTA ACUST UNITED AC 2019; 17:127-145. [PMID: 30680599 DOI: 10.1007/s11938-019-00222-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
PURPOSE OF REVIEW Therapeutic drug monitoring (TDM) is increasingly utilized as a strategy to optimize inflammatory bowel disease (IBD) therapeutics. As management paradigms have evolved towards treat-to-target strategies, there has been growing interest in expanding the role of TDM to guide drug optimization for achieving objective endpoints. This review summarizes the evidence for using TDM with biologic and oral small-molecule therapies, evaluates the role of reactive versus proactive TDM in treatment algorithms, and identifies potential future applications for TDM. RECENT FINDINGS Achieving therapeutic drug concentrations has been associated with important clinical, endoscopic, and histologic outcomes in IBD. However, the optimal drug concentration varies by therapeutic agent, disease phenotype, inflammatory burden, phase of treatment, and target outcome. Traditionally, TDM has been used reactively to define pharmacokinetic versus mechanistic failures after loss of response to a tumor necrosis factor-α (TNF) antagonist and while observational data suggests a benefit to proactive TDM, this has not been definitively confirmed in prospective randomized controlled trials. The role of TDM in optimizing vedolizumab, ustekinumab, and tofacitinib remains unclear, given differences in pharmacokinetics and immunogenicity compared to TNF antagonists. Measuring drug action at the site of inflamed tissue may provide additional insights into treatment optimization. The use of TDM offers the possibility of a more personalized treatment approach for patients with IBD. High-quality studies are needed to delineate the role of proactive TDM for maintaining remission, for optimizing induction regimens, and for novel agents.
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Batra S, Conklin LS. Therapeutics for Inflammatory Bowel Diseases in Children and Adolescents: A Focus on Biologics and an Individualized Treatment Paradigm. Handb Exp Pharmacol 2019; 261:363-375. [PMID: 31342277 DOI: 10.1007/164_2019_255] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Pharmacologic treatment of children and adolescents with inflammatory bowel diseases (IBD) [Crohn's disease and ulcerative colitis] requires consideration of disease and medication effects on growth and nutrition, the importance of durability of biologics, and concerns for long-term sequelae of disease and therapies. Achieving early remission in children with Crohn's disease correlates with improved outcomes and therefore allows a window of opportunity for maximizing growth. Thus, there is a great need to treat children and adolescents with the right drug at the right time while achieving adequate exposure. Improved understanding of disease phenotypes, disease natural history, and risk stratification will play a critical role in treatment selection for children, particularly as more therapeutic options become available. Here we summarize data supporting newer concepts of treating the individual child with IBD through targeted early biologic treatment, including utilization of therapeutic drug monitoring to optimize treatment effects and the use of early antitumor necrosis factor (TNF)-α therapies to mitigate long-term sequelae of the disease. Recent inception cohort studies provide important data regarding the risk stratification of children and adolescents with IBD, which support a move toward a personalized therapeutic approach to IBD in children and adolescents.
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Affiliation(s)
- Suruchi Batra
- Division of Gastroenterology, Hepatology, and Nutrition, Children's National Medical Center, Washington, DC, USA
| | - Laurie S Conklin
- George Washington University School of Medicine, Children's National Medical Center, Washington, DC, USA.
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