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Effect of Vitamin D Supplement on Disease Activity in SLE

The Effect of Vitamin D Supplementation on Disease Activity of Systemic Lupus Erythematosus Patients: a Randomized Clinical Trial in Rajavithi Hospital

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05260255
Enrollment
100
Registered
2022-03-02
Start date
2021-06-15
Completion date
2022-12-01
Last updated
2025-01-06

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

Conditions

Hyperparathyroidism, Hypocalcemia, Systemic Lupus Erythematosus (Disorder), Vitamin D Deficiency

Keywords

Hypocalcemia, Hyperparathyroidism, End Stage Renal Disease (ESRD), calcitriol, Systemic Lupus Erythematosus ( SLE )

Brief summary

To study the effect of vitamin D supplementation on disease activity of SLE ( SLEDAI-2K ) and IL-6 level

Interventions

DRUGvitamin D2 ( calciferol )

add on vitamin D2( calciferol ) 40,000 IU/wk ( 2 cap) for 12 weeks

DRUGPlacebo

add on placebo ( 2 cap ) for 12 weeks

Sponsors

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

Study design

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

Eligibility

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

Inclusion criteria

* Age \> 18 year-old * SLE classified by revised ACR criteria, SLICC 2012 criteria * SLE patients who have mild to moderate disease activity ( clinical SLEDAI-2K 3-10 ) and has vitamin D level \< 40 ng/ml * currently treated with stable dose of 1 or more of the following background medication : NSAIDs, anti-malarial, MMF, Azathioprine, methotrexate, cyclosporin for at least 1 month, corticosteroid \</= 20 mg/d of prednisolone or equivalent dose for at least 2 weeks * received calciferol 20,000 IU/wk (1 cap) at least 12 weeks

Exclusion criteria

* patients with chronic liver disease, CKD stage 3, bed ridden, malignancy * patients who received drug that interfere with vitamin D metabolism * poor drug compliance * overlap with other connective tissue disease or a diagnosis of MCTD * hx of vitamin D allergy * hx on MTV or other supplementation

Design outcomes

Primary

MeasureTime frameDescription
To examine the effect of vitamin D supplementation on SLE disease activity12 weeksStudy the SLE disease activity by SLEDAI-2K in relation with vitamin D levels

Secondary

MeasureTime frameDescription
To examine the effect of vitamin D supplementation on IL-6 level12 weeksmonitor serum vitamin D before and after intervention
To determine whether IL-6 can early detection in SLE disease flare12 weeksmonitor serum IL-6 before and after intervention compare with SLE disease activity index ( SLEDAI-2K )
To determine adverse reaction of high dose vitamin D12 weeksmonitor adverse reaction of vitamin D after intervention
To study the effect of vitamin D supplementation on anti-dsDNA titer12 weeksmonitor serum anti-dsDNA titer before and after intervention

Countries

Thailand

Outcome results

None listed

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