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Effect of vitamin D supplementation versus placebo on hypertension in patients with vitamin D deficiency

Effect of vitamin D supplementation versus placebo on hypertension in patients with vitamin D deficiency: a double blind randomized clinical trial

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
IRCT
Registry ID
IRCT201703129014N151
Enrollment
208
Registered
2017-03-12
Start date
2017-04-04
Completion date
Unknown
Last updated
2018-02-22

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

Conditions

Vitamin D deficiency. Vitamin D deficiency

Interventions

Intervention 1: Intervention group: Routine anti-hypertensive drugs plus gelatin tablet vitamin D (Calciferol) based on Vitamin D serum level (50,000 U once a week oral in subjects with Vitamin D seru
Treatment - Drugs
Placebo
Intervention group: Routine anti-hypertensive drugs plus gelatin tablet vitamin D (Calciferol) based on Vitamin D serum level (50,000 U once a week oral in subjects with Vitamin D serum level less tha
Control group: Routine anti-hypertensive drugs plus gelatin tablet placebo once a week for 2 months.

Sponsors

Vice-chancellor for Research the Technology, Hamadan University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 75 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: Age of 18 to 75 years; systolic blood pressure equal to or greater than 140 mmHg or diastolic blood pressure equal to or greater than 90 mmHg in tow times; vitamin D deficiency. Exclusion criteria: Pregnancy; secondary hypertension; renal failure; a history of using vitamin D or calcium during the last three months; using Thiazide-type diuretics.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
Measuring systolic and diastolic blood pressure. Timepoint: before intervention and then monthly for 2 months. Method of measurement: in sitting position from the right hand using mercury sphygmomanometer.

Secondary

MeasureTime frame
Measuring serum Calciferol. Timepoint: before intervention and then monthly for 2 months. Method of measurement: through laboratory test.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr Vida Sheikh

Farshchian Heart Hospital

vsh_57072@yahoo.com+98 81 3838 1740

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 17, 2026