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Clin Gastroenterol Hepatol. 2010 Jul;8(7):600-9. doi: 10.1016/j.cgh.2010.01.014. Epub 2010 Feb 1.

Continuous therapy with certolizumab pegol maintains remission of patients with Crohn's disease for up to 18 months.

Collaborators (132)

Bampton P, Dudley F, Hetzel D, Lawrance I, Pavli P, Selby W, Anderson F, Bernstein C, Cohen A, Enns R, Greenberg G, Khaliq-Kareemi M, Laflamme P, Bytzer P, Dahlerup JF, Ejlersen E, Fallingborg J, Langholz E, Lauritsen K, Mertz-Nielsen A, Philipsen E, Staun M, Thomsen OO, Dignass A, Emmrich J, Herzog P, Howaldt S, Kreisel W, Krummenerl T, Ramadori G, Schiefke I, Schreiber S, Stallmach A, von Tirpitz C, Bene L, Gurzó Z, Lakatos L, Rácz I, Székely G, Varga Szabó L, Zágoni T, Kelleher D, Murray F, O'Donaghue D, Dotan I, Elyakim R, Fich A, Fraser GM, Goldin E, Lavy A, Scapa E, Kupcinskas L, Valantinas J, Barclay M, Lane M, Shaw D, Wallace I, Weilert F, Wyeth J, Bakkevold K, Florholmen JR, Jahnsen J, Lygren I, Stray N, Torp R, Waldum HL, Bochenek A, Czajkowska-Kaczmarek E, Horynski M, Leszczyszyn J, Petryka R, Rudzinski J, Sasiewicz J, Jojic N, Krstic M, Milinic N, Nagorni A, Tarabar D, Ho KY, Ooi CJ, Fredericks E, Jackson L, Karlsson K, Mwantembe O, Pettengell KE, Schmidt SJ, Spies PR, Strimling M, Watermeyer GA, Ziady CC, Panés Díaz J, Chukhriyenko N, Dutka R, Levchenko E, Pertseva T, Zakharash MP, Bennett M, Breiter J, Chey W, Desautels S, Ertan A, Eyring EJ, Geenen DJ, Goetsch CA, Gross CG, Hassman DR, Hee V, Hogin J, Holmes R, James D, Koltun WD, Lee SD, Lowe JE, Lutter D, Malhotra S, Marcuard SP, Movva R, Pambianco DJ, Peters L, Pletcher SD, Priebe WM, Raikhel M, Ringold M, Salzberg BA, Schonfeld W, Schwartz D, Shafii A, Smith JP, Stanton D, Stone C, Wang J, Weiss LM.



The safety and efficacy of maintenance therapy with the anti-tumor necrosis factor certolizumab pegol has not been reported beyond 6 months. We assessed the long-term efficacy, safety, and immunogenicity of continuous versus interrupted maintenance therapy with subcutaneous certolizumab pegol in patients with Crohn's disease.


Patients who responded to induction therapy at week 6 of the PEGylated Antibody Fragment Evaluation in Crohn's Disease: Safety and Efficacy (PRECiSE) 2 trial were assigned randomly to groups given certolizumab pegol (continuous) or placebo (drug-interruption) during weeks 6 to 26. Patients who completed PRECiSE 2 were eligible to enter PRECiSE 3, an ongoing, prospective, open-label extension trial in which patients have received certolizumab pegol (400 mg) every 4 weeks for 54 weeks to date, and were not offered the option to increase their dose. Disease activity was measured by the Harvey-Bradshaw Index.


Harvey-Bradshaw Index responses at week 26 for the continuous and drug-interruption groups were 56.3% and 37.6%, respectively; corresponding remission rates were 47.9% and 32.4%, respectively. Of patients responding at week 26, response rates at week 80 after the start of PRECiSE 2 in the continuous and drug-interruption groups were 66.1% and 63.3%, respectively; among patients in remission at week 26, week 80 remission rates were 62.1% and 63.2%, respectively. More patients in the drug-interruption group developed antibodies against certolizumab pegol (and had lower plasma concentrations of certolizumab pegol) than the continuously treated group.


Certolizumab pegol effectively maintains remission of Crohn's disease for up to 18 months. Continuous therapy is more effective than interrupted therapy.

[PubMed - indexed for MEDLINE]
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