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Vitamin D Supplementation on Outcome and Disease Activity.

Vitamin D Supplementation on Outcome and Disease Activity in Rheumatoid Arthritis Patients At Rajavithi Hospital : a Randomized Clinical Trial

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04909931
Enrollment
60
Registered
2021-06-02
Start date
2021-05-01
Completion date
2022-12-01
Last updated
2025-01-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Rheumatoid Arthritis, Vitamin D , Disease Activity, DAS28ESR

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

DRUGPlacebo

Second arm : add on placebo for 12 weeks

Sponsors

Department of Medical Services Ministry of Public Health of Thailand
Lead SponsorOTHER_GOV

Study design

Allocation
RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes

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

MeasureTime frameDescription
To study efficacy of vitamin D on disease activity RA patients at Rajavithi hospital12 weeksDetermine 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 hospital12 weeksDAS-28 ESR measure from swollen joint count, tender joint count, ESR and patient global assessment

Countries

Thailand

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026