Adding Thiopurine After Loss of Response to Infliximab Versus Early Combination in Treating Crohn's Disease: A Retrospective Study.
Adult
Antimetabolites
/ administration & dosage
Azathioprine
/ administration & dosage
Biological Products
/ administration & dosage
Crohn Disease
/ diagnosis
Drug Monitoring
/ methods
Drug Synergism
Drug Therapy, Combination
/ adverse effects
Drug-Related Side Effects and Adverse Reactions
/ diagnosis
Female
Humans
Infliximab
/ administration & dosage
Japan
/ epidemiology
Male
Mercaptopurine
/ administration & dosage
Retrospective Studies
Risk Assessment
Treatment Outcome
Combination therapy
Crohn’s disease
Infliximab
Thiopurine
Journal
Digestive diseases and sciences
ISSN: 1573-2568
Titre abrégé: Dig Dis Sci
Pays: United States
ID NLM: 7902782
Informations de publication
Date de publication:
09 2021
09 2021
Historique:
received:
29
05
2020
accepted:
01
09
2020
pubmed:
14
9
2020
medline:
30
9
2021
entrez:
13
9
2020
Statut:
ppublish
Résumé
Although combining thiopurine with infliximab (IFX) is considered to improve the clinical efficacy of IFX when treating Crohn's disease (CD), it also increases the risk of adverse events (AEs). We compared the efficacy and safety of delayed thiopurine addition after loss of response (LOR) to IFX with the efficacy and safety of an earlier combination of thiopurine and IFX. This retrospective study analyzed patients with CD who started IFX as a first-line biologic at Kyushu University Hospital between June 2002 and July 2018. Patients were assigned to either the early-combination (EC) group, who started IFX and thiopurine simultaneously, or the late-combination (LC) group, who were treated with IFX alone until they developed LOR. We compared the cumulative IFX continuation rates and AE incidence between the two groups. One hundred seventy-six patients were enrolled in this study; 49 were enrolled in the EC group, and 127 were enrolled in the LC group. Disease activity at baseline did not significantly differ between the groups, nor did the cumulative IFX continuation rates differ between the groups (P = 0.30); however, the AE rate was significantly higher in the EC group than in the LC group (38.7% vs. 21.2%; P = 0.02). The severe AE rate was also higher in the EC group than in the LC group (18.3% vs 3.1%; P = 0.001). Considering the risk-benefit balance, delayed addition of thiopurine after LOR to IFX might be an alternative strategy when using IFX to treat CD.
Sections du résumé
BACKGROUND
Although combining thiopurine with infliximab (IFX) is considered to improve the clinical efficacy of IFX when treating Crohn's disease (CD), it also increases the risk of adverse events (AEs). We compared the efficacy and safety of delayed thiopurine addition after loss of response (LOR) to IFX with the efficacy and safety of an earlier combination of thiopurine and IFX.
METHODS
This retrospective study analyzed patients with CD who started IFX as a first-line biologic at Kyushu University Hospital between June 2002 and July 2018. Patients were assigned to either the early-combination (EC) group, who started IFX and thiopurine simultaneously, or the late-combination (LC) group, who were treated with IFX alone until they developed LOR. We compared the cumulative IFX continuation rates and AE incidence between the two groups.
RESULTS
One hundred seventy-six patients were enrolled in this study; 49 were enrolled in the EC group, and 127 were enrolled in the LC group. Disease activity at baseline did not significantly differ between the groups, nor did the cumulative IFX continuation rates differ between the groups (P = 0.30); however, the AE rate was significantly higher in the EC group than in the LC group (38.7% vs. 21.2%; P = 0.02). The severe AE rate was also higher in the EC group than in the LC group (18.3% vs 3.1%; P = 0.001).
CONCLUSION
Considering the risk-benefit balance, delayed addition of thiopurine after LOR to IFX might be an alternative strategy when using IFX to treat CD.
Identifiants
pubmed: 32920717
doi: 10.1007/s10620-020-06600-z
pii: 10.1007/s10620-020-06600-z
doi:
Substances chimiques
Antimetabolites
0
Biological Products
0
Infliximab
B72HH48FLU
Mercaptopurine
E7WED276I5
Azathioprine
MRK240IY2L
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
3124-3131Commentaires et corrections
Type : CommentIn
Informations de copyright
© 2020. Springer Science+Business Media, LLC, part of Springer Nature.
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