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Comparison of functional performance outcome between high dose and low dose vitamin D supplement after TKA in patient with vitamin D insufficiency/deficiency, a randomized controlled trial study

Comparison of functional performance outcome between high dose and low dose vitamin D supplement after TKA in patient with vitamin D insufficiency/deficiency, a randomized controlled trial study

Status
Recruiting
Phases
Phase 1Phase 2
Study type
Interventional
Source
TCTR
Registry ID
TCTR20260716001
Enrollment
42
Registered
2026-07-16
Start date
2026-01-31
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Vitamin D deficiency patients in total knee arthroplasty Osteoarthritis knee Total knee arthroplasty Vitamin D deficiency

Interventions

Patients took weekly calciferol capsules for 24 weeks. The treatment group received 60,000 IU per week from true calciferol 3 capsule ,And the control group received 20,000 IU per week from true calc
Experimental Drug,Placebo Comparator Drug
Postoperative TKA give vitamin D 60,000 IU per week,Postoperative TKA give vitamin D 20,000 IU per week

Sponsors

Kittitouch Ohpassatchakul
Lead Sponsor

Eligibility

Sex/Gender
All
Age
60 Years to 80 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria :  1.elderly patients with OA knee age 60-80 years 2.underwent unilateral TKA 3.serum 25(OH)D level < 30 ng/mL

Exclusion criteria

Exclusion criteria: Exclusion criteria :  1.received additional vitamin D in calcium or multivitamin supplementation in last 3 month 2.underlying Thyroid/Parathyroid dysfunction, Osteomalacia, Chronic kidney disease stage3-5 (eGFR < 60 ml/min), Rheumatoid arthritis, Other inflammatory arthritis, Kidney stone 3.patients with medical problems that affect vitamin D absorption and metabolism such as short bowel syndrome, granulomatous disorders, patients who received anticonvulsants, rifampicin, cholestyramine, antiretrovirals patients with hypercalcemia or hyperphosphatemia 4.History of vitamin D supplement allergy 5.History of malignancy

Design outcomes

Primary

MeasureTime frame
Functional outcomes postoperative TKA 6th ,12th,24th weeks The Western Ontario and McMaster Universities Arthritis Index (WOMAC)

Secondary

MeasureTime frame
Pain score postoperative TKA 6th ,12th ,24th weeks Visual analog scale (VAS) ,serum 25(OH)D level baseline, 6th, 12th ,24th weeks serum 25(OH)D level

Countries

Thailand

Contacts

Public ContactKittitouch Ohpassatchakul

Ramathibodi

mighty060640@gmail.com0957234201

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026