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Rheumatoid ArthritisFMD-ABRANCT02096120

Full Mouth Disinfection and Antibiotics for Periodontitis in High or Moderate Disease Activity Rheumatoid Arthritis

An observational study of Rheumatoid Arthritis, run by Insel Gruppe AG, University Hospital Bern at 1 site in Switzerland.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to determine whether full mouth disinfection in combination with one week antibiotic amoxicillin plus metronidazole antibiotic therapy is improving periodontitis and disease activity of rheumatoid arthritis. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Rheumatoid Arthritis
How many people
8 participants
Where
1 siteSwitzerland
Study dates
Feb 2014to 25 Oct 2017
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: Patients will be recruited from inpatient and outpatient hospital rheumatology departments.

Who may be able to join

  • Written informed consent
  • Age 18 years or older
  • Diagnosis of rheumatoid arthritis according to the ACR/EULAR 2010 classification criteria plus both serological, high titer (>3x ULN) rheumatoid factor and CCP antibody titer
  • Severe chronic periodontitis (clinical attachment loss >/= 5mm at two separate locations)
  • DAS 28 > 4.2 at screening and inclusion (within 28 days after screening) and 1 out of two additional disease activity criteria:
  • Synovial hyperplasia >22/66 points on basis of 22 joints, or at least 1/3 of the maximum score when analyzes in at least selected 5 joints of interest OR
Show all 10Show fewer
  • Serum CRP > 10 mg/l at screening and at inclusion
  • Stable doses for >=3 months, if currently under synthetic or recombinant disease modifying anti-rheumatic drugs. If under anti-CD20 treatment: last rituximab infusion >90 days before inclusion.
  • Systemic corticosteroids <= 10 mg and stable for at least 14 days
  • Nonsteroidal-antirheumatic drugs and peripheral analgesics at stable doses for at least 14 days

Who cannot join

  • Intolerance to amoxicillin und azithromycin (EBV infection, lymphatic leukemia, exanthema), general hypersensitivity to any beta-lactam antibiotics, intolerance to metronidazole or local anaesthesia
  • Current intake of allopurinol or probenicid, oral anticoagulation, disulfiram, phenobarbital phenytoin, lithium or ciclosporin
  • Seizures
  • Severe cardial electric conduction blockade
  • Recent myocardial infraction or instable coronary vessel disease, non-compensated myocardial insufficiency or heart failure
  • Non-compensated arterial hypertension
Show all 18Show fewer
  • Genetic cholinesterase deficiency
  • General hemorrhagic diathesis or intake of oral anticoagulants
  • Intake of monoaminooxidase inhibitors or tricyclic antidepressants
  • Liver insufficiency
  • Renal failure (eGFR < 30 ml/min)
  • Hemoglobin <10 g/dl
  • Leukocytes < 3/nl
  • Neutrophils < 1/nl
  • Platelets < 100/nl
  • ALAT oder ASAT > 3x ULN
  • Pregnancy or breastfeeding
  • Psychiatric or any other condition which could, to the opinion of the investigator, interfere with the compliance of this protocol

Trial locations and contacts

1 site in 1 country.

Switzerland1 site
  • Inselspital, Department for Rheumatology, and Dpt. For Periodontology, School for Dentistry, University of Bern

    Bern, 3010

Other trials in Switzerland

About this study

Official title: Single Arm Pilot Study of Antimicrobial Treatment of Active Rheumatoid Arthritis Associated With Manifest Periodontitis (Translated From German: Anti-mikrobielle Behandlung Der Aktiven Rheumatoiden Arthritis Bei Manifester Parodontitis - Eine Unkontrollierte Therapie-Pilotstudie)

The purpose of this study is to determine whether full mouth disinfection in combination with one week antibiotic amoxicillin plus metronidazole antibiotic therapy is improving periodontitis and disease activity of rheumatoid arthritis.

Read the detailed description

Rheumatoid arthritis (RA) is a currently incurable disease of unknown origin characterized by joint inflammation and the breakdown of immune tolerance to a variety of antigens, including citrullinated peptides generated by peptidyl-arginine-deiminases (PAD's). Porphyromonas gingivalis (P. g.) derived PAD enzyme (PPAD) citrullinates preferentially C-terminal arginine residues, which may be generated by P.g. derived gingipain protein (Rgpb) cleavage, but several of the originated peptide sequences from enolase, collagen, vimentin or fibrinogen may be cross-reactant to citrullinated RA candidate autoantigens.

Antigen-specific autoantibodies in RA may be present years before clinical disease onset of arthritis, and their precise role in the initiation or perpetuation of the characteristic articular immune processes is currently unclear. The situation for autoantibodies was in similar poorly understood for decades until an unanticipated reduction of RA disease activity could be achieved by therapeutic B cell depletion using anti-CD20 therapy. While anti-CD20 therapy may affect the regeneration of autoantibody producing cells, the investigators aim in the present study to reduce potential oral trigger mechanisms or antigens for cross-reactant autoreactive B cell or plasma cell populations. The study follows the concept of improved RA disease activity by minimization of any inflammatory stimuli associated with periodontitis, e.g. by any underlying microbial colonization, the amount of microbial foreign antigens, achieved by standard oral hygienic means, full mouth disinfection plus adjuvant short term antibiotic therapy in established periodontitis.

Keywords
Periodontitis
Medical subject headings
Arthritis, Rheumatoid, Periodontitis

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Study groups in NCT02096120
Study groupRoleWhat they receive
All patientsNot described

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Improvement in the rheumatoid arthritis disease activity index (DAS28ESR-3v) by >=1.2 points

    The DAS28 will be used using 3 variables with 3rd variable erythrocyte sedimentation rate.

    Measured: 3 months

Secondary outcomes (10)
  1. Improvement in the rheumatoid arthritis disease activity score (DAS28ESR-3v) by >=1.2 points

    Measured: At 6 months

  2. Improvement in the rheumatoid arthritis disease activity score when with 3rd variable C reactive protein serum concentration (DAS28CRP-3v) by >=1.2 points

    Measured: After 3 and 6 months

  3. Improvement in the clinical disease activity index cDAI

    Measured: After 3 and 6 months

  4. Improvement in the simplified disease activity index cDAI

    Measured: After 3 and 6 months

  5. Number of patients with 20%, 50% or 70% improvement in the American College of Rheumatology (ACR) response criteria

    Measured: After 3 and 6 months

  6. Number of patients in ACR/EULAR remission

    Measured: After 3 and 6 months

  7. % change of B-mode (= gray-scale) and Power-Doppler signals to baseline

    Measured: After 3 and 6 months

  8. Reduction in the probing pocket depth (PPD) in moderately deep (PPD >/= 4mm) und deep periodontal pockets (PPD > 6mm)

    Measured: After 3 and 6 months

  9. Improvement in clinical attachment level (CAL), as the sum of PPD plus gingival recession (GR)

    Measured: After 3 and 6 months

  10. Reduction in the number of sites with bleeding on probing (BoP)

    Measured: After 3 and 6 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted26 Mar 2014 (estimated)
  2. Study startFeb 2014
  3. Primary completion1 Aug 2017
  4. Study completion25 Oct 2017

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
8 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02096120
Sponsor's protocol ID
130/13
Other IDs
2439
Acronym
FMD-ABRA
Status last verified
Oct 2018
First submitted
21 Mar 2014
Last updated
4 Oct 2018
Results posted
No
Data monitoring committee
No

Publications

  • Aimetti M, Romano F, Guzzi N, Carnevale G. Full-mouth disinfection and systemic antimicrobial therapy in generalized aggressive periodontitis: a randomized, placebo-controlled trial. J Clin Periodontol. 2012 Mar;39(3):284-94. doi: 10.1111/j.1600-051X.2011.01795.x. Epub 2012 Jan 4.

    PubMed 22220822
  • Aletaha D, Neogi T, Silman AJ, Funovits J, Felson DT, Bingham CO 3rd, Birnbaum NS, Burmester GR, Bykerk VP, Cohen MD, Combe B, Costenbader KH, Dougados M, Emery P, Ferraccioli G, Hazes JM, Hobbs K, Huizinga TW, Kavanaugh A, Kay J, Kvien TK, Laing T, Mease P, Menard HA, Moreland LW, Naden RL, Pincus T, Smolen JS, Stanislawska-Biernat E, Symmons D, Tak PP, Upchurch KS, Vencovsky J, Wolfe F, Hawker G. 2010 rheumatoid arthritis classification criteria: an American College of Rheumatology/European League Against Rheumatism collaborative initiative. Ann Rheum Dis. 2010 Sep;69(9):1580-8. doi: 10.1136/ard.2010.138461.

    PubMed 20699241
  • Klareskog L, Stolt P, Lundberg K, Kallberg H, Bengtsson C, Grunewald J, Ronnelid J, Harris HE, Ulfgren AK, Rantapaa-Dahlqvist S, Eklund A, Padyukov L, Alfredsson L. A new model for an etiology of rheumatoid arthritis: smoking may trigger HLA-DR (shared epitope)-restricted immune reactions to autoantigens modified by citrullination. Arthritis Rheum. 2006 Jan;54(1):38-46. doi: 10.1002/art.21575.

    PubMed 16385494
  • Lundberg K, Kinloch A, Fisher BA, Wegner N, Wait R, Charles P, Mikuls TR, Venables PJ. Antibodies to citrullinated alpha-enolase peptide 1 are specific for rheumatoid arthritis and cross-react with bacterial enolase. Arthritis Rheum. 2008 Oct;58(10):3009-19. doi: 10.1002/art.23936.

    PubMed 18821669
  • de Pablo P, Dietrich T, Chapple IL, Milward M, Chowdhury M, Charles PJ, Buckley CD, Venables PJ. The autoantibody repertoire in periodontitis: a role in the induction of autoimmunity to citrullinated proteins in rheumatoid arthritis? Ann Rheum Dis. 2014 Mar;73(3):580-6. doi: 10.1136/annrheumdis-2012-202701. Epub 2013 Feb 23.

    PubMed 23434568
  • Finckh A, Müller R, Möller B, Dudler J, Kyburz D, Walker UA, et al. Tooth Loss is associated with swollen joints in a cohort of healthy individuals at increased risk of developing RA. European Congress of Rheumatology EULAR 2012. Annals of the rheumatic diseases 2012;71(Suppl).

  • Zandbergen D, Slot DE, Cobb CM, Van der Weijden FA. The clinical effect of scaling and root planing and the concomitant administration of systemic amoxicillin and metronidazole: a systematic review. J Periodontol. 2013 Mar;84(3):332-51. doi: 10.1902/jop.2012.120040. Epub 2012 May 21.

    PubMed 22612369
  • Sampaio E, Rocha M, Figueiredo LC, Faveri M, Duarte PM, Gomes Lira EA, Feres M. Clinical and microbiological effects of azithromycin in the treatment of generalized chronic periodontitis: a randomized placebo-controlled clinical trial. J Clin Periodontol. 2011 Sep;38(9):838-46. doi: 10.1111/j.1600-051X.2011.01766.x. Epub 2011 Jul 19.

    PubMed 21770996
  • Prevoo ML, van 't Hof MA, Kuper HH, van Leeuwen MA, van de Putte LB, van Riel PL. Modified disease activity scores that include twenty-eight-joint counts. Development and validation in a prospective longitudinal study of patients with rheumatoid arthritis. Arthritis Rheum. 1995 Jan;38(1):44-8. doi: 10.1002/art.1780380107.

    PubMed 7818570
  • Fransen J, van Riel PL. The Disease Activity Score and the EULAR response criteria. Clin Exp Rheumatol. 2005 Sep-Oct;23(5 Suppl 39):S93-9.

    PubMed 16273792
  • Mandl P, Naredo E, Wakefield RJ, Conaghan PG, D'Agostino MA; OMERACT Ultrasound Task Force. A systematic literature review analysis of ultrasound joint count and scoring systems to assess synovitis in rheumatoid arthritis according to the OMERACT filter. J Rheumatol. 2011 Sep;38(9):2055-62. doi: 10.3899/jrheum.110424.

    PubMed 21885517
  • Aletaha D, Smolen J. The Simplified Disease Activity Index (SDAI) and the Clinical Disease Activity Index (CDAI): a review of their usefulness and validity in rheumatoid arthritis. Clin Exp Rheumatol. 2005 Sep-Oct;23(5 Suppl 39):S100-8.

    PubMed 16273793
  • Felson DT, Anderson JJ, Boers M, Bombardier C, Furst D, Goldsmith C, Katz LM, Lightfoot R Jr, Paulus H, Strand V, et al. American College of Rheumatology. Preliminary definition of improvement in rheumatoid arthritis. Arthritis Rheum. 1995 Jun;38(6):727-35. doi: 10.1002/art.1780380602.

    PubMed 7779114
  • Felson DT, Smolen JS, Wells G, Zhang B, van Tuyl LH, Funovits J, Aletaha D, Allaart CF, Bathon J, Bombardieri S, Brooks P, Brown A, Matucci-Cerinic M, Choi H, Combe B, de Wit M, Dougados M, Emery P, Furst D, Gomez-Reino J, Hawker G, Keystone E, Khanna D, Kirwan J, Kvien TK, Landewe R, Listing J, Michaud K, Martin-Mola E, Montie P, Pincus T, Richards P, Siegel JN, Simon LS, Sokka T, Strand V, Tugwell P, Tyndall A, van der Heijde D, Verstappen S, White B, Wolfe F, Zink A, Boers M. American College of Rheumatology/European League against Rheumatism provisional definition of remission in rheumatoid arthritis for clinical trials. Ann Rheum Dis. 2011 Mar;70(3):404-13. doi: 10.1136/ard.2011.149765.

    PubMed 21292833
  • Brulhart L, Zufferey P, Tamborrini G, Möller B, Gerber T, Krebs A, et al. Reproducibility and feasibility of a 22 joints ultrasound score in rheumatoid arthritis: A study among rheumatologists with diverse expertise in musculoskeletal ultrasound. . Annals of the rheumatic diseases 2012;71(Suppl ).

Questions about this trial

What is this clinical trial studying?

An observational study of Rheumatoid Arthritis, run by Insel Gruppe AG, University Hospital Bern at 1 site in Switzerland.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 10 inclusion and 18 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 4 Oct 2018. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Switzerland. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Improvement in the rheumatoid arthritis disease activity index (DAS28ESR-3v) by >=1.2 points (time frame: 3 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02096120, which also lists 17 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 4 Oct 2018.

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