Table 1.

Prevalence of remission in selected published reports of rheumatoid arthritis (RA) clinical trials following a tight control strategy and RA clinical cohorts, 1999–2013+.

Author, Year, (Reference)PatientsPrevalence of Remission; Criteria
Treatment strategy clinical trials
  Möttönen, 199920Finnish RA Combination Therapy (FIN-RACo) trial25% combination therapy; ACR 1981;
11% single-drug therapy; ACR 1981
  Grigor, 200421Tight Control for Rheumatoid Arthritis (TICORA) trial; single-blind RCT65% intensive group; DAS;
16% usual care group; DAS
  Verstappen, 200722Computer Assisted Management in Early Rheumatoid Arthritis (CAMERA) study; open-label strategy trial50% intensive group; Utrecht criteria*;
37% conventional group Utrecht criteria*
  Klarenbeek, 201123BehandelStrategien (BeSt) or “treatment strategies” trial23% drug-free remission
  Hetland, 201224Ciclosporine, Methotrexate, Steroid in RA (CIMESTRA)56%; Boolean;
78%; DAS28
  Wevers-de Boer, 201225Induction therapy with MTX and Prednisone in Rheumatoid Or Very Early arthritic Disease (IMPROVED) trial; 2-step treatment strategy study in Dutch early arthritis patients60%; Boolean
Clinical cohorts
  van der Woude, 200926Leiden Early Arthritis Clinic (EAC) and British Early Rheumatoid Arthritis Study (ERAS)21.4% Leiden EAC; modified ACR 15%;
Leiden EAC; DMARD-free;
9.4% ERAS; DMARD-free
  Shahouri, 201127US Department of Veterans Affairs RA (VARA) registry
Arthritis and Rheumatology Clinics of Kansas (ARCK)
24.0% VARA; DAS28;
7.0% VARA; Boolean;
28.3% ARCK; DAS28;
6.9% ARCK; CDAI
  de Punder, 201228Dutch Rheumatoid Arthritis Monitoring (DREAM) biologic registry6%; DAS28
  Prince, 201229Brigham and Women’s Rheumatoid Arthritis Sequential Study (BRASS)31%; DAS28 < 2.6;
10%; Boolean
  Castrejón, 201317Etude et Suivi des Polyarthrites Indifférenciées Récentes (ESPOIR)
French early arthritis cohort
32.5%; DAS28;
12.9%; Boolean
  Navarro-Millan, 201330Consortium of Rheumatology Researchers of North America (CORRONA), 2001–20118%; Boolean
  Thiele, 201331German Collaborative Centers, 2007–200928%; DAS28;
7%; Boolean
  • + Where a study reported remission according to multiple criteria, the criteria with the highest and lowest percentages of patients in remission are presented.

  • * Utrecht criteria for remission = no swollen joint, and at least 2 of the following: TJC ≤ 3, erythrocyte sedimentation rate ≤ 20 mm/h and visual analog scale general well being ≤ 20 mm22. DAS28: Disease Activity Score 28 joint; MTX: methotrexate; ACR: American College of Rheumatology; DMARD: disease-modifying antirheumatic drugs; CDAI: Clinical Disease Activity Index.