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Front Med (Lausanne). 2021 Jun 17;8:683990. doi: 10.3389/fmed.2021.683990. eCollection 2021.

Remission Induced by TNF Inhibitors Plus Methotrexate is Associated With Changes in Peripheral Naïve B Cells in Patients With Rheumatoid Arthritis.

Frontiers in medicine

Borja Hernández-Breijo, Chamaida Plasencia-Rodríguez, Victoria Navarro-Compán, Carlota García-Hoz, Israel Nieto-Gañán, Cristina Sobrino, Javier Bachiller-Corral, Mariana Díaz-Almirón, Ana Martínez-Feito, Teresa Jurado, Paloma Lapuente-Suanzes, Gema Bonilla, Cristina Pijoán-Moratalla, Garbiñe Roy, Mónica Vázquez-Díaz, Alejandro Balsa, Luisa M Villar, Dora Pascual-Salcedo, Eulalia Rodríguez-Martín

Affiliations

  1. Immuno-Rheumatology Research Group, Hospital La Paz Institute for Health Research-IdiPAZ, Madrid, Spain.
  2. Rheumatology, La Paz University Hospital, Madrid, Spain.
  3. Immunology, Ramón y Cajal Institute for Health Research, Hospital Universitario Ramón y Cajal, Madrid, Spain.
  4. Rheumatology, Ramón y Cajal Institute for Health Research, Hospital Universitario Ramón y Cajal, Madrid, Spain.
  5. Biostatistics Unit, Hospital La Paz Institute for Health Research-IdiPAZ, Madrid, Spain.
  6. Immunology, La Paz University Hospital, Madrid, Spain.

PMID: 34222289 PMCID: PMC8245775 DOI: 10.3389/fmed.2021.683990

Abstract

Biological therapies, such as TNF inhibitors (TNFi), are increasing remission (REM) rates in rheumatoid arthritis (RA) patients, although these are still limited. The aim of our study was to analyze changes in the profile of peripheral blood mononuclear cells (PBMC) in patients with RA treated with TNFi in relation to the clinical response. This is a prospective and observational study including 78 RA patients starting the first TNFi. PBMC were analyzed by flow cytometry both at baseline and at 6 months. Disease activity at the same time points was assessed by DAS28, establishing DAS28 ≤ 2.6 as the criteria for REM. Logistic regression models were employed to analyze the association between the changes in PBMC and REM. After 6 months of TNFi treatment, 37% patients achieved REM by DAS28. Patients who achieved REM showed a reduction in the percentage of naive B cells, but only when patients had received concomitant methotrexate (MTX) (OR: 0.59; 95% CI: 0.39-0.91). However, no association was found for patients who did not receive concomitant MTX (OR: 0.85; 95% CI: 0.63-1.16). In conclusion, PBMC, mainly the B-cell subsets, are modified in RA patients with TNFi who achieve clinical REM. A significant decrease in naive B-cell percentage is associated with achieving REM after 6 months of TNFi treatment in patients who received concomitant therapy with MTX.

Copyright © 2021 Hernández-Breijo, Plasencia-Rodríguez, Navarro-Compán, García-Hoz, Nieto-Gañán, Sobrino, Bachiller-Corral, Díaz-Almirón, Martínez-Feito, Jurado, Lapuente-Suanzes, Bonilla, Pijoán-Moratalla, Roy, Vázquez-Díaz, Balsa, Villar, Pascual-Salcedo and Rodríguez-Martín.

Keywords: B cells; TNF inhibitors; autoimmunity; remission; rheumatoid arthritis

Conflict of interest statement

CP-R has received research grants/honoraria from AbbVie, Lilly, Novartis, Pfizer, Sanofi, Biogen and UCB. VN-C reports speaker fees and grants from Abbvie, Janssen, Lilly, MSD, Novartis, Pfizer and UC

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