In this randomized, double-blind trial, we evaluated the efficacy of infliximab monotherapy, azathioprine monotherapy, and the two drugs combined in 508 adults with moderate-to-severe Crohn’s disease who had not undergone previous immunosuppressive or biologic therapy. Patients were randomly assigned to receive an intravenous infusion of 5 mg of infliximab per kilogram of body weight at weeks 0, 2, and 6 and then every 8 weeks plus daily oral placebo capsules; 2.5 mg of oral azathioprine per kilogram daily plus a placebo infusion on the standard schedule; or combination therapy with the two drugs. Patients received study medication through week 30 and could continue in a blinded study extension through week 50. Results Of the 169 patients receiving combination therapy, 96 (56.8%) were in corticosteroid-free clinical remission at week 26 (the primary end point), as compared with 75 of 169 patients (44.4%) receiving infliximab alone (P = 0.02) and 51 of 170 patients (30.0%) receiving azathioprine alone (P<0.001 for the comparison with combination therapy and P = 0.006 for the comparison with infliximab). Similar numerical trends were found at week 50. At week 26, mucosal healing had occurred in 47 of 107 patients (43.9%) receiving combination therapy, as compared with 28 of 93 patients (30.1%) receiving infliximab (P = 0.06) and 18 of 109 patients (16.5%) receiving azathioprine (P<0.001 for the comparison with combination therapy and P = 0.02 for the comparison with infliximab). Serious infections developed in 3.9% of patients in the combination-therapy group, 4.9% of those in the infliximab group, and 5.6% of those in the azathioprine group. Conclusions Patients with moderate-to-severe Crohn’s disease who were treated with infliximab plus azathioprine or infliximab monotherapy were more likely to have a corticosteroid-free clinical remission than those receiving azathioprine monotherapy. (ClinicalTrials.gov number, NCT00094458.)

/pdf/infliximab-azathioprine-or-combination-therapy-for-crohn-s-hjetjoy88b.pdf

Infliximab, Azathioprine, or Combination Therapy for Crohn's Disease

http://www.klinikcity.ru/wp-content/uploads/2012/03/Guidelines/Gastroenterology/Ulceral_Colitis_ACG_2010.pdf

Ulcerative colitis practice guidelines in adults: American College Of Gastroenterology, Practice Parameters Committee.

Ulcerative colitis and Crohn’s disease are the principal forms of inflammatory bowel disease. Both represent chronic inflammation of the gastrointestinal tract, which displays heterogeneity in inflammatory and symptomatic burden between patients and within individuals over time. Optimal management relies on understanding and tailoring evidence-based interventions by clinicians in partnership with patients. This guideline for management of inflammatory bowel disease in adults over 16 years of age was developed by Stakeholders representing UK physicians (British Society of Gastroenterology), surgeons (Association of Coloproctology of Great Britain and Ireland), specialist nurses (Royal College of Nursing), paediatricians (British Society of Paediatric Gastroenterology, Hepatology and Nutrition), dietitians (British Dietetic Association), radiologists (British Society of Gastrointestinal and Abdominal Radiology), general practitioners (Primary Care Society for Gastroenterology) and patients (Crohn’s and Colitis UK). A systematic review of 88 247 publications and a Delphi consensus process involving 81 multidisciplinary clinicians and patients was undertaken to develop 168 evidence- and expert opinion-based recommendations for pharmacological, non-pharmacological and surgical interventions, as well as optimal service delivery in the management of both ulcerative colitis and Crohn’s disease. Comprehensive up-to-date guidance is provided regarding indications for, initiation and monitoring of immunosuppressive therapies, nutrition interventions, pre-, peri- and postoperative management, as well as structure and function of the multidisciplinary team and integration between primary and secondary care. Twenty research priorities to inform future clinical management are presented, alongside objective measurement of priority importance, determined by 2379 electronic survey responses from individuals living with ulcerative colitis and Crohn’s disease, including patients, their families and friends.

https://gut.bmj.com/content/gutjnl/68/Suppl_3/s1.full.pdf

British Society of Gastroenterology consensus guidelines on the management of inflammatory bowel disease in adults

http://www.humanities.uct.ac.za/sites/default/files/image_tool/images/38/MASTER_JCC_ECCO-ESPGHAN_Consensus_PaediatricCD_ARTICLE_IN_PRESS.pdf

Consensus guidelines of ECCO/ESPGHAN on the medical management of pediatric Crohn's disease.

https://www.gastrojournal.org/article/S0016-5085(02)92123-2/pdf

6-MP metabolite profiles provide a biochemical explanation for 6-MP resistance in patients with inflammatory bowel disease.

https://www.gastrojournal.org/article/S0016-5085(00)70140-5/pdf

Pharmacogenomics and metabolite measurement for 6-mercaptopurine therapy in inflammatory bowel disease

Role of MTHFR genetic polymorphisms in the susceptibility to childhood acute lymphoblastic leukemia

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Pharmacogenomics and metabolite measurement for 6-mercaptopurine therapy in inflammatory bowel disease

Role of MTHFR genetic polymorphisms in the susceptibility to childhood acute lymphoblastic leukemia