Overview Tofacitinib in Depression (TIDE) Status: Suspended Trial end date: 2021-09-01 Target enrollment: Participant gender: Summary This study will test whether 7-10 day administration of the anti-inflammatory drug, tofacitinib, has positive effects on people experiencing treatment-resistant depression compared to placebo. Phase: Phase 1/Phase 2 Details Lead Sponsor: University of OxfordCollaborators: Medical Research CouncilWellcome TrustTreatments: Tofacitinib