this will be an RCT. to determine if non-surgical treatment for periodontitis can improve the disease activity score in 28 joints of rheumatoid arthritis in an African setting. Rheumatoid arthritis patients with periodontal disease will be randomised into an immediate intervention arm and a delayed intervention arm and both groups will be followed for two three monthly periods
1. RESEARCH QUESTIONS * What is the prevalence of periodontitis among rthematoid arthritis patients attending the Mulago rheumatology clinic? * Does non-surgical treatment for periodontitis improve the disease activity score in 28 joints of rheumatoid arthritis in this local setting? 2. Problem statement It has been shown that intervention with nonsurgical treatment of periodontitis improved the periodontal condition of patients with periodontitis and RA, with beneficial effects upon the clinical and laboratory test parameters, disease activity scores in 28 joints (DAS28) and erythrocyte sedimentation rate (ESR). However, all the studies included in the reviews involved small samples sizes and follow-up periods of less than 6 months. And locally to our knowledge there is currently no published information looking at the role of periodontal disease among Ugandans with rheumatoid arthritis. 3. METHODS Objective 1 will be addressed with a cross sectional study design while objective 2 will be a randomized control intervention on a fresh sample of patients from the clinic who will be randomly assigned using computer generated random numbers. Population : To address the objective 1 a total sample size of 146 randomly selected study participants. For objective 2 the target sample size of 304 individuals or 152 individuals per group. Procedures: On arrival to the dental clinic, the selected and previously consented participants will undergo a standardized interview. This will be followed by an oral examination to assess for: registration of plaque, bleeding on probing, probing depth and followed with the calculation of the Periodontal inflamed surface area score and clinical attachment loss, pick crevicular fluid using paper point for follow-up confirmatory polymerase chain reactions (PCR), quantification with quantitative real-time PCR (QPCR) experiments for P. gingivalis. At the end of the examination a peripheral blood sample will be obtained for: erythrocyte sedimentation rate to be factored in the determination of DAS 28 score. The remaining blood sample will be stored in the department of Anatomy for further studies latter pertaining to PD and RA. Objective 2 RCT study Participants will be randomized into an immediate intervention arm and a delayed intervention arm.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
152
An electronic scaler will be used to clean the gums
It will include 15-minute oral session with visual and verbal information on how to use a toothbrush, dental floss, and mouthwash correctly; how to clean bridges and dentures; and how and why to use a plaque disclosing test to perform tooth cleaning
Rheumatology clinic, medical outpatient department, Mulago national referral hospital and the Uganda
Kampala, Uganda
RECRUITINGchange in Disease Activity score of 28 joints
≤ 3.2- inactive, \>3.2 but ≤ 5.1 - moderate and \> 5.1- very active
Time frame: Two three monthly follow ups
change in clinical attachment loss
less than 2mm - improvement, more than 3 mm - getting worse
Time frame: Two three monthly follow ups
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