# Comparison of Difference Histamine Concentration (1, 5 and 10 mg/ml) for Skin Prick Test Positive Control

> **NCT02561429** · NA · COMPLETED · sponsor: **Mahidol University** · enrollment: 180 (actual)

## Conditions studied

- Immediate Hypersensitivity

## Interventions

- **PROCEDURE:** SPT

## Key facts

- **NCT ID:** NCT02561429
- **Lead sponsor:** Mahidol University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2013-07
- **Primary completion:** 2015-07
- **Final completion:** 2015-08
- **Target enrollment:** 180 (ACTUAL)
- **Last updated:** 2016-05-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02561429

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02561429, "Comparison of Difference Histamine Concentration (1, 5 and 10 mg/ml) for Skin Prick Test Positive Control". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT02561429. Licensed CC0.

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