Rheumatoid Arthritis, Vitamin D , Disease Activity, DAS28ESR
Conditions
Brief summary
To study efficacy of Vitamin D on outcome and disease activity ; DAS28-ESR in Rheumatoid arthritis patients at Rajavithi hospital .
Interventions
Randomized allocation first arm : add on vitamin D supplementation 40,000 iu/week for 12 weeks
Second arm : add on placebo for 12 weeks
Sponsors
Study design
Eligibility
Inclusion criteria
* Age \> 18 yrs old * RA diagnosed by ACR/EULAR 2010 * low to moderate disease activity * on stable NSAIDs and DMARDs for at least 1 month * Received Prednisolone less than or equal to 7.5 mg/day * serum calcium, phosphorus and ALP are within normal limit.
Exclusion criteria
* Chronic kidney disease stage 3 or higher * History of TB * History of Chronic liver disease * Pregnancy or breast-feeding * adjustment of immuno-suppressive drugs, steroid * other connective tissue disease * Vitamin D allergy * received other drugs which have vitamin D component * serum Vitamin D less than 10 ng/mL
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| To study efficacy of vitamin D on disease activity RA patients at Rajavithi hospital | 12 weeks | Determine disease activity by DAS28-ESR in relation with vitamin D supplementation. |
| To study efficacy of vitamin D on IL-6 in RA patients at Rajavithi hospital | 12 weeks | DAS-28 ESR measure from swollen joint count, tender joint count, ESR and patient global assessment |
Countries
Thailand