# Effect of Vitamin C on Allergy Skin Test

> **NCT05810233** · NA · UNKNOWN · sponsor: **National University of Malaysia** · enrollment: 90 (estimated)

## Conditions studied

- Rhinitis, Allergic
- Allergy

## Interventions

- **DIETARY_SUPPLEMENT:** Ascorbic acid 1000mg
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT05810233
- **Lead sponsor:** National University of Malaysia
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2023-07-15
- **Primary completion:** 2023-09-30
- **Final completion:** 2024-01-30
- **Target enrollment:** 90 (ESTIMATED)
- **Last updated:** 2023-08-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05810233

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05810233, "Effect of Vitamin C on Allergy Skin Test". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT05810233. Licensed CC0.

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