The clinical effect of vitamin D supplementation adjuvant therapy in allergic rhinitis

Phase 4

• Conditions: Allergic rhinitis; Vitamin D

• Registration Number: TCTR20230426004
• Lead Sponsor: Department of otorhinolaryngology, Phramongkutklao Hospital

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2023-04-26
• Study Completion: 2023-10-31
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Pending (Not yet recruiting)
• Sex: All
• Target Recruitment: 46

Inclusion Criteria

1 Age at least 20 year old
2 Diagnosed allergic rhinitis by doctor from department of otorhonolaryngology at Phramongkutklao hospital with at least 1 symptom (rhinorrhea, nasal congestion, sneezing or itching) and Skin Prick test positive
3 ability in communication by listening, speaking, reading and writing thai
4 available to contact by phone
5 willing to participate in the research

Exclusion Criteria

1 diagnosed chronic rhinosinusitis or asthma
2 contraindication for vitamin D included Hyperparathyroidism, Hypercalcemia, Hyperphosphatemia or Kidney stones
3 Vitamin D level more than 30 ng/ml
4 Diagnosed Malabsorption included Short bowel, History of gastric bypass or Chronic
pancreatitis
5 Impaired renal function
6 Prenant or lactation
7 use vitamin D supplemement in 3 months
8. Allergic rhinitis VAS score <2

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
severity of allergic rhinitis 4 weeks VAS score

Secondary Outcome Measures

Name	Time	Method
Absolute Eosinophil count 4 weeks Absolute Eosinophil count,Platelet count 4 weeks Platelet count