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Efficacy of Plain Cholecalciferol Tablets vs. Ergocalciferol in Raising Serum Vitamin D Level in Thai Female Healthcare Workers

Efficacy of Plain Cholecalciferol Tablets vs. Ergocalciferol in Raising Serum Vitamin D Level in Thai Female Healthcare Workers

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
TCTR
Registry ID
TCTR20221127002
Enrollment
76
Registered
2022-11-27
Start date
2021-09-16
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 in health care providers Vitamin D insufficiency in health care providers Vitamin D deficiency Vitamin D insufficiency Hypovitaminosis D

Interventions

Vitamin D3 group received a 1,000 IU tablet of plain cholecalciferol (Vitamin D3) (NatD, Mega Life Sciences Limited (Thailand)) daily which is equivalent to 7000 IU of cholecalciferol per week for 12
Active Comparator Drug,Active Comparator Drug
Vitamin D3,Vitamin D2

Sponsors

Police Osteoporosis and Getriatric Excellence Center
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
25 Years to 65 Years

Inclusion criteria

Inclusion criteria: The inclusion criteria were adult female aged 25 to 65 years without history of osteoporosis or fragility fractures as defined by fractures from a simple fall.

Exclusion criteria

Exclusion criteria: The exclusion criteria were prescription of vitamin D or calcium supplement within the past year, history of anti-osteoporotic medication use, including hormonal replacement therapy, and prescription of anticonvulsants or steroids. Underlying medical conditions that could affect bone metabolism; for example, hypocalcemia, hypercalcemia, uncontrolled hyperthyroidism, hypogonadism, primary hyperparathyroidism, growth hormone deficiency, acromegaly, hemochromatosis and chronic liver diseases, hematological disorders, renal disorders including chronic kidney disease, and autoimmune disorders, were also excluded.

Design outcomes

Primary

MeasureTime frame
serum 25-hydroxy vitamin D level (25(OH)D)) Baseline, 6 months, 12 months Chemiluminescent microparticle immunoassay (CMIA) on Architect I2000SR analyzer (Abbott Laboratories Limited, USA)

Secondary

MeasureTime frame
Compliance Baseline, 6 months, 12 months Medical possesstion ratio

Countries

Thailand

Contacts

Public ContactTanawat Amphansap

Police General Hospital

ihopepgh@gmail.com022076298

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026