Antirheumatic AgentsReceptors, Tumor Necrosis FactorAntibodies, Monoclonal, HumanizedImmunoglobulin GArthritis, RheumatoidArthritis, PsoriaticSpondylitis, AnkylosingAntibodies, MonoclonalTumor Necrosis Factor-alphaMethotrexatePsoriasisTreatment OutcomeAnti-Inflammatory AgentsArthritis, JuvenileSeverity of Illness IndexImmunologic FactorsDrug Therapy, CombinationSpondylarthritisInjections, SubcutaneousDermatologic AgentsDouble-Blind MethodUveitis, AnteriorAnti-Inflammatory Agents, Non-SteroidalImmunosuppressive AgentsSacroiliac JointJointsDrug SubstitutionCrohn DiseaseQuality-Adjusted Life YearsSpondylarthropathiesRemission InductionHidradenitis SuppurativaSulfasalazineDrug CostsBlood SedimentationDrug Administration ScheduleHand BonesBiological TherapyProduct Surveillance, PostmarketingBiological ProductsSpineDisability EvaluationTreatment FailurePlacebosCost-Benefit AnalysisQuality of LifeArthrographyOrbital MyositisRandomized Controlled Trials as TopicC-Reactive ProteinNevus, Sebaceous of JadassohnImmunoconjugatesDisease ProgressionOpportunistic InfectionsGastrointestinal AgentsEfficiencyWegener GranulomatosisHydroxychloroquineStill's Disease, Adult-OnsetProspective StudiesModels, EconomicClinical Trials, Phase IV as TopicUveitisPyoderma GangrenosumPilot ProjectsHealth StatusFollow-Up StudiesTime FactorsRheumatic DiseasesRegistriesReceptors, Tumor Necrosis Factor, Type IRheumatoid FactorSymptom AssessmentInterleukin 1 Receptor Antagonist ProteinDose-Response Relationship, DrugRetrospective StudiesPeriostitisIntestinal FistulaTumor Necrosis FactorsVasculitis, Central Nervous SystemTuberculosis, LaryngealTight Junction ProteinsUveitis, PosteriorSynovial MembraneRecombinant Fusion ProteinsCohort StudiesClinical Trials, Phase III as TopicAntibodies, Monoclonal, Murine-DerivedGreat BritainDrug ResistanceDermatitis, ExfoliativeLongitudinal StudiesFatigueRheumatoid VasculitisAdministration, CutaneousRetreatmentHealth Care CostsRecovery of FunctionLabyrinth DiseasesAzathioprine