Screening prior to biological therapy in Crohn's disease: adherence to guidelines and prevalence of infections. Results from a multicentre retrospective study

Mike van der Have, Tim D G Belderbos, Herma H Fidder, Max Leenders, Gerard Dijkstra, Charlotte P Peters, Emma J Eshuis, Cyriel Y Ponsioen, Peter D Siersema, Martijn G H van Oijen, Bas Oldenburg,

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

BACKGROUND: Screening for opportunistic infections prior to starting biological therapy in patients with inflammatory bowel disease is recommended.

AIMS: To assess adherence to screening for opportunistic infections prior to starting biological therapy in Crohn's disease patients and its yield.

METHODS: A multicentre retrospective study was conducted in Crohn's disease patients in whom infliximab or adalimumab was started between 2000 and 2010. Screening included tuberculin skin test, interferon-gamma release assay or chest X-ray for tuberculosis. Extended screening included screening for tuberculosis and viral infections. Patients were followed until three months after ending treatment. Primary endpoints were opportunistic and serious infections.

RESULTS: 611 patients were included, 91% on infliximab. 463 (76%) patients were screened for tuberculosis, of whom 113 (24%) underwent extended screening. Screening for tuberculosis and hepatitis B increased to, respectively, 90-97% and 36-49% in the last two years. During a median follow-up of two years, 64/611 (9%, 3.4/100 patient-years) opportunistic infections and 26/611 (4%, 1.6/100 patient-years) serious infections were detected. Comorbidity was significantly associated with serious infections (hazard ratio 3.94).

CONCLUSIONS: Although screening rates for tuberculosis and hepatitis B increased, screening for hepatitis B was still suboptimal. More caution is required when prescribing biologicals in patients with comorbid conditions.

Original languageEnglish
Pages (from-to)881-886
Number of pages6
JournalDigestive and liver disease
Volume46
Issue number10
DOIs
Publication statusPublished - 2014

Keywords

  • Adalimumab
  • Adult
  • Anti-Inflammatory Agents
  • Antibodies, Monoclonal
  • Antibodies, Monoclonal, Humanized
  • Crohn Disease
  • Female
  • Follow-Up Studies
  • Guideline Adherence
  • Hepatitis B
  • Humans
  • Infliximab
  • Interferon-gamma Release Tests
  • Linear Models
  • Male
  • Netherlands
  • Opportunistic Infections
  • Practice Guidelines as Topic
  • Prevalence
  • Retrospective Studies
  • Tuberculin Test
  • Tuberculosis
  • Virus Diseases

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