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Randomised controlled trial of Tumour necrosis factor inhibitors Against Combination Intensive Therapy with conventional disease modifying anti-rheumatic drugs in established rheumatoid arthritis
ISRCTN ISRCTN37438295
ClinicalTrials.gov identifier
Public title Randomised controlled trial of Tumour necrosis factor inhibitors Against Combination Intensive Therapy with conventional disease modifying anti-rheumatic drugs in established rheumatoid arthritis
Scientific title
Acronym TACIT
Serial number at source HTA 06/303/84; KCL (Rheum) TACIT Version 1 (26/01/07)
Study hypothesis Active Rheumatoid Arthritis (RA) patients, who meet the National Institute for Clinical Excellence (NICE) criteria for treatment with Tumour Necrosis Factor (TNF) inhibitors, will gain equivalent benefit from intensive combination therapy (two or more Disease Modifying Anti-Rheumatic Drugs [DMARDs] and steroids) at substantially less expense and without increased toxicity.
Ethics approval Received from the research ethics committee of the UCLH A on the 20th April 2007 (ref: 07/Q0505/57).
Study design Two arm pragmatic 12 month randomised controlled multi-centred trial using open-label treatments
Countries of recruitment United Kingdom
Disease/condition/study domain Rheumatoid Arthritis
Participants - inclusion criteria 1. Males and Females aged over 18 years
2. Established RA by the criteria of the American College of Rheumatology
3. Disease duration of at least 12 months
4. Meet NICE criteria for being prescribed TNF inhibitors:
4.1. Disease Activity Score (DAS) over 5.1
4.2. Failure to respond to two DMARDs including methotrexate
4.3. No contra-indications to TNF inhibitors (including possibility of pregnancy)
Participants - exclusion criteria 1. Unable or unwilling to give informed consent
2. Failure of, or contra-indications to, all proposed DMARD combinations (including possibility of pregnancy)
3. Serious inter-current illness
4. Patients on high dose steroids (in excess of 10 mg prednisolone or equivalent per day at trial entry)
Anticipated start date 01/04/2007
Anticipated end date 31/03/2010
Status of trial Ongoing
Patient information material
Target number of participants 190
Interventions There will be two treatment algorithms:
1. For TNF inhibitors, and
2. For combination DMARDs
Treatments will be individualised and will depend on patients' responses.

TNF inhibitors:
All three licensed agents - adalimumab, etanercept, and infliximab - will be allowed at standard doses (British National Formulary). The choice of TNF inhibitor will reflect patient's preferences and local circumstances. Methotrexate will also be given to maximise efficacy and (in the case of infliximab) reduce anti-chimeric antibodies. Any patient intolerant to methotrexate may take another DMARD.

Combination DMARDs:
DMARDs from the following list will be used: methotrexate, sulfasalazine, hydroxychloroquine, leflunomide, ciclosporin and gold injections (sodium aurothiomalate) in combinations with proven efficacy over DMARD monotherapy in Randomised Controlled trials (RCTs). For example:
1. Triple therapy with methotrexate (methotrexate-sulfasalazine-hydroxychloroquine)
2. Other methotrexate combinations (methotrexate-ciclosporin, methotrexate-leflunomide and methotrexate-gold)
3. One sulfasalazine combination (sulfasalazine-leflunomide)

Additional monthly steroids (intramuscular [IM] depomedrone [120 mg stat] or equivalent) will also be used if needed.

The duration of treatment is one year and patients are followed for only this year.
Primary outcome measure(s) Heath Assessment Questionnaire (HAQ).

Primary and secondary outcomes will be measured at baseline (month 0), 6 months and 12 months.
Secondary outcome measure(s) 1. Joint damage
2. Quality of life
3. Disease activity
4. Withdrawal rates
5. Adverse effects
6. Economic evaluation:
6.1. Societal costs
6.2. Cost-effectiveness
6.3. Cost-utility

Primary and secondary outcomes will be measured at baseline (month 0), 6 months and 12 months. Patients will be asked to attend monthly for blood monitoring and will be asked a short questionnaire regarding concomitant medication, any tests outside routine monitoring and adverse events within the last month.
Sources of funding NIHR Health Technology Assessment Programme - HTA (UK)
Trial website
Publications
Contact name Prof  David L  Scott
  Address Department of Academic Rheumatology
King's College London
Weston Education Centre
Cutcombe Road
Denmark Hill
  City/town London
  Zip/Postcode SE5 9RJ
  Country United Kingdom
  Tel +44 (0)20 7848 5215
  Fax +44 (0)20 7848 5202
  Email david.l.scott@kcl.ac.uk
Sponsor King's College London (UK)
  Address Strand
  City/town London
  Zip/Postcode WC2R 2LS
  Country United Kingdom
  Tel +44 (0)20 7836 5454
  Email ceu@kcl.ac.uk
  Sponsor website: http://www.kcl.ac.uk
Date applied 11/06/2007
Last edited 29/01/2008
Date ISRCTN assigned 12/06/2007
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