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Effect of Vitamin D Supplementation on nasal polyp relaps

Assessment of the effect of Vitamin D Supplementation on recurrence rate of nasal polyposis after endoscopic sinus surgery : A Triple Blinded Randomized Controlled Trial

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
IRCT
Registry ID
IRCT201608043186N8
Enrollment
40
Registered
2017-02-02
Start date
2016-09-20
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

Nasal polyposis. nasal polyp, unspecified

Interventions

Intervention 1: Intervention group: Vitamin D Tab 4000 IU once a day for 1 month. Intervention 2: Control group : Placebo one Tab per day for 1 month.
Treatment - Drugs
Placebo
Intervention group: Vitamin D Tab 4000 IU once a day for 1 month.
Control group : Placebo one Tab per day for 1 month

Sponsors

Vice chancellor for research, Hamedan University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Inclusion criteria: All patients older than 18 years with the diagnostic criteria for chronic sinusitis with polyposis based on the American Academy criteria . Exclusion criteria: Smoking; sensitivity to vitamin D3; Pregnancy; Long-term systemic steroids (greater than 10 days); immunosupressive drugs; history of any endocrine disease. Skeletal. Kidney. Gastrointestinal disease; use of estrogen drugs, thiazide diuretics, digoxin, antacids Therapy and isoniazid

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
Recurrence of nasal and paranasal sinus polyp. Timepoint: Before intervention and 1, 3 and 6 months after intervention. Method of measurement: VAS,Snot 22, Meltzer grading.;Rhinosinusitis sign. Timepoint: Before intervention and 1, 3 and 6 months after intervention. Method of measurement: Meltzer endoscopic grading.

Secondary

MeasureTime frame
Side effects of vit D3. Timepoint: 1 , 3 and 6 months after intervention. Method of measurement: questioner.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactFarnaz Hashemian

Hamedan University of Medical Sciences

hashemian@umsha.ac.ir- farnazhashemian@yahoo.com+98 81 1264 0047

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026