Efficacy and safety of tofacitinib dose de‐escalation and dose escalation for patients with ulcerative colitis: results from OCTAVE Open
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SUMMARYBackgroundFor patients with UC, flexible maintenance dosing therapy may confer advantages for safety, efficacy, costs and patient preference. Tofacitinib is an oral, small molecule JAK inhibitor for the treatment of UC.AimTo assess the efficacy and safety of tofacitinib dose de‐escalation and escalation in patients with UC.MethodsWe evaluated data (November 2017 data cut‐off) from OCTAVE Open, an ongoing, open‐label, long‐term extension study. The dose de‐escalation group comprised 66 tofacitinib induction responders in remission following 52 weeks' tofacitinib 10 mg b.d. maintenance therapy, subsequently de‐escalated to 5 mg b.d. in OCTAVE Open. The dose escalation group comprised 57 tofacitinib induction responders who experienced treatment failure while receiving 5 mg b.d. maintenance therapy, subsequently escalated to 10 mg b.d. in OCTAVE Open.ResultsAfter tofacitinib de‐escalation, 92.4% (61/66) and 84.1% (53/63) of patients maintained clinical response and 80.3% (53/66) and 74.6% (47/63) maintained remission, at months 2 and 12, respectively. After dose escalation, 57.9% (33/57) and 64.9% (37/57) of patients recaptured clinical response and 35.1% (20/57) and 49.1% (28/57) were in remission, at months 2 and 12, respectively. The incidence rate of herpes zoster with dose escalation (7.6 patients with events/100 patient‐years) was numerically higher than in the overall tofacitinib UC programme.ConclusionsFollowing tofacitinib de‐escalation in patients already in remission on 10 mg b.d., most maintained remission, although 25.4% lost remission, at month 12. For induction responders who dose‐escalated following treatment failure on 5 mg b.d. maintenance therapy, 49.1% achieved remission by month 12. (ClinicalTrials.gov number: NCT01470612).
